From patchwork Mon Aug 29 13:15:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 600953 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6BDDCC54EE9 for ; Mon, 29 Aug 2022 13:17:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230243AbiH2NRv (ORCPT ); Mon, 29 Aug 2022 09:17:51 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230043AbiH2NRJ (ORCPT ); Mon, 29 Aug 2022 09:17:09 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 267C078232; Mon, 29 Aug 2022 06:16:32 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TB2Jvq015154; Mon, 29 Aug 2022 09:15:01 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7d484399-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:01 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDF0Bg019084 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:00 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:14:59 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:14:59 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiL026449; Mon, 29 Aug 2022 09:14:52 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 01/10] input: keyboard: adp5588-keys: support gpi key events as 'gpio keys' Date: Mon, 29 Aug 2022 15:15:44 +0200 Message-ID: <20220829131553.690063-2-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: bNqOKQWNAqt83U521aDD-H1uu6KjFOtI X-Proofpoint-ORIG-GUID: bNqOKQWNAqt83U521aDD-H1uu6KjFOtI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org This change replaces the support for GPIs as key event generators. Instead of reporting the events directly, we add a gpio based irqchip so that these events can be consumed by keys defined in the gpio-keys driver (as it's goal is indeed for keys on GPIOs capable of generating interrupts). With this, the gpio-adp5588 driver can also be dropped. The basic idea is that all the pins that are not being used as part of the keymap matrix can be possibly requested as GPIOs by gpio-keys (it's also fine to use these pins as plain interrupts though that's not really the point). Since the gpiochip now also has irqchip capabilities, we should only remove it after we free the device interrupt (otherwise we could, in theory, be handling GPIs interrupts while the gpiochip is concurrently removed). Thus the call 'adp5588_gpio_add()' is moved and since the setup phase also needs to come before making the gpios visible, we also need to move 'adp5588_setup()'. While at it, always select GPIOLIB so that we don't need to use #ifdef guards. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko Reviewed-by: Linus Walleij --- drivers/input/keyboard/Kconfig | 2 + drivers/input/keyboard/adp5588-keys.c | 274 +++++++++++++------------- include/linux/platform_data/adp5588.h | 2 - 3 files changed, 144 insertions(+), 134 deletions(-) diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index a20ee693b22b..ca5cd5e520a7 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -40,6 +40,8 @@ config KEYBOARD_ADP5520 config KEYBOARD_ADP5588 tristate "ADP5588/87 I2C QWERTY Keypad and IO Expander" depends on I2C + select GPIOLIB + select GPIOLIB_IRQCHIP help Say Y here if you want to use a ADP5588/87 attached to your system I2C bus. diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index e2719737360a..f5f7ddfe68be 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -40,21 +40,21 @@ #define WA_DELAYED_READOUT_REVID(rev) ((rev) < 4) #define WA_DELAYED_READOUT_TIME 25 +#define ADP5588_INVALID_HWIRQ (~0UL) + struct adp5588_kpad { struct i2c_client *client; struct input_dev *input; ktime_t irq_time; unsigned long delay; unsigned short keycode[ADP5588_KEYMAPSIZE]; - const struct adp5588_gpi_map *gpimap; - unsigned short gpimapsize; -#ifdef CONFIG_GPIOLIB unsigned char gpiomap[ADP5588_MAXGPIO]; struct gpio_chip gc; struct mutex gpio_lock; /* Protect cached dir, dat_out */ u8 dat_out[3]; u8 dir[3]; -#endif + u8 int_en[3]; + u8 irq_mask[3]; }; static int adp5588_read(struct i2c_client *client, u8 reg) @@ -72,7 +72,6 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val) return i2c_smbus_write_byte_data(client, reg, val); } -#ifdef CONFIG_GPIOLIB static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); @@ -171,9 +170,6 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad, for (i = 0; i < pdata->cols; i++) pin_used[i + GPI_PIN_COL_BASE - GPI_PIN_BASE] = true; - for (i = 0; i < kpad->gpimapsize; i++) - pin_used[kpad->gpimap[i].pin - GPI_PIN_BASE] = true; - for (i = 0; i < ADP5588_MAXGPIO; i++) if (!pin_used[i]) kpad->gpiomap[n_unused++] = i; @@ -196,11 +192,79 @@ static void adp5588_gpio_do_teardown(void *_kpad) dev_warn(&kpad->client->dev, "teardown failed %d\n", error); } +static void adp5588_irq_bus_lock(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct adp5588_kpad *kpad = gpiochip_get_data(gc); + + mutex_lock(&kpad->gpio_lock); +} + +static void adp5588_irq_bus_sync_unlock(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct adp5588_kpad *kpad = gpiochip_get_data(gc); + int i; + + for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { + if (kpad->int_en[i] ^ kpad->irq_mask[i]) { + kpad->int_en[i] = kpad->irq_mask[i]; + adp5588_write(kpad->client, GPI_EM1 + i, kpad->int_en[i]); + } + } + + mutex_unlock(&kpad->gpio_lock); +} + +static void adp5588_irq_mask(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct adp5588_kpad *kpad = gpiochip_get_data(gc); + irq_hw_number_t hwirq = irqd_to_hwirq(d); + unsigned long real_irq = kpad->gpiomap[hwirq]; + + kpad->irq_mask[ADP5588_BANK(real_irq)] &= ~ADP5588_BIT(real_irq); + gpiochip_disable_irq(gc, hwirq); +} + +static void adp5588_irq_unmask(struct irq_data *d) +{ + struct gpio_chip *gc = irq_data_get_irq_chip_data(d); + struct adp5588_kpad *kpad = gpiochip_get_data(gc); + irq_hw_number_t hwirq = irqd_to_hwirq(d); + unsigned long real_irq = kpad->gpiomap[hwirq]; + + gpiochip_enable_irq(gc, hwirq); + kpad->irq_mask[ADP5588_BANK(real_irq)] |= ADP5588_BIT(real_irq); +} + +static int adp5588_irq_set_type(struct irq_data *d, unsigned int type) +{ + if (!(type & IRQ_TYPE_EDGE_BOTH)) + return -EINVAL; + + irq_set_handler_locked(d, handle_edge_irq); + + return 0; +} + +static const struct irq_chip adp5588_irq_chip = { + .name = "adp5588", + .irq_mask = adp5588_irq_mask, + .irq_unmask = adp5588_irq_unmask, + .irq_bus_lock = adp5588_irq_bus_lock, + .irq_bus_sync_unlock = adp5588_irq_bus_sync_unlock, + .irq_set_type = adp5588_irq_set_type, + .flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_IMMUTABLE, + GPIOCHIP_IRQ_RESOURCE_HELPERS, +}; + static int adp5588_gpio_add(struct adp5588_kpad *kpad) { struct device *dev = &kpad->client->dev; const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev); const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data; + struct gpio_irq_chip *girq; int i, error; if (!gpio_data) @@ -212,6 +276,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) return 0; } + kpad->gc.parent = &kpad->client->dev; kpad->gc.direction_input = adp5588_gpio_direction_input; kpad->gc.direction_output = adp5588_gpio_direction_output; kpad->gc.get = adp5588_gpio_get_value; @@ -223,6 +288,11 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) kpad->gc.owner = THIS_MODULE; kpad->gc.names = gpio_data->names; + girq = &kpad->gc.irq; + gpio_irq_chip_set_chip(girq, &adp5588_irq_chip); + girq->handler = handle_bad_irq; + girq->threaded = true; + mutex_init(&kpad->gpio_lock); error = devm_gpiochip_add_data(dev, &kpad->gc, kpad); @@ -255,35 +325,73 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) return 0; } -#else -static inline int adp5588_gpio_add(struct adp5588_kpad *kpad) +static unsigned long adp5588_gpiomap_get_hwirq(struct device *dev, + const u8 *map, unsigned int gpio, + unsigned int ngpios) { - return 0; + unsigned int hwirq; + + for (hwirq = 0; hwirq < ngpios; hwirq++) + if (map[hwirq] == gpio) + return hwirq; + + /* should never happen */ + dev_warn_ratelimited(dev, "could not find the hwirq for gpio(%u)\n", gpio); + + return ADP5588_INVALID_HWIRQ; +} + +static void adp5588_gpio_irq_handle(struct adp5588_kpad *kpad, int key_val, + int key_press) +{ + unsigned int irq, gpio = key_val - GPI_PIN_BASE, irq_type; + struct i2c_client *client = kpad->client; + struct irq_data *irqd; + unsigned long hwirq; + + hwirq = adp5588_gpiomap_get_hwirq(&client->dev, kpad->gpiomap, + gpio, kpad->gc.ngpio); + if (hwirq == ADP5588_INVALID_HWIRQ) { + dev_err(&client->dev, "Could not get hwirq for key(%u)\n", key_val); + return; + } + + irq = irq_find_mapping(kpad->gc.irq.domain, hwirq); + if (!irq) + return; + + irqd = irq_get_irq_data(irq); + if (!irqd) { + dev_err(&client->dev, "Could not get irq(%u) data\n", irq); + return; + } + + irq_type = irqd_get_trigger_type(irqd); + + /* + * Default is active low which means key_press is asserted on + * the falling edge. + */ + if ((irq_type & IRQ_TYPE_EDGE_RISING && !key_press) || + (irq_type & IRQ_TYPE_EDGE_FALLING && key_press)) + handle_nested_irq(irq); } -#endif static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt) { - int i, j; + int i; for (i = 0; i < ev_cnt; i++) { int key = adp5588_read(kpad->client, Key_EVENTA + i); int key_val = key & KEY_EV_MASK; + int key_press = key & KEY_EV_PRESSED; - if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) { - for (j = 0; j < kpad->gpimapsize; j++) { - if (key_val == kpad->gpimap[j].pin) { - input_report_switch(kpad->input, - kpad->gpimap[j].sw_evt, - key & KEY_EV_PRESSED); - break; - } - } - } else { + if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) + /* gpio line used as IRQ source */ + adp5588_gpio_irq_handle(kpad, key_val, key_press); + else input_report_key(kpad->input, - kpad->keycode[key_val - 1], - key & KEY_EV_PRESSED); - } + kpad->keycode[key_val - 1], key_press); } } @@ -341,7 +449,6 @@ static int adp5588_setup(struct i2c_client *client) dev_get_platdata(&client->dev); const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data; int i, ret; - unsigned char evt_mode1 = 0, evt_mode2 = 0, evt_mode3 = 0; ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows)); ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF); @@ -356,23 +463,6 @@ static int adp5588_setup(struct i2c_client *client) for (i = 0; i < KEYP_MAX_EVENT; i++) ret |= adp5588_read(client, Key_EVENTA); - for (i = 0; i < pdata->gpimapsize; i++) { - unsigned short pin = pdata->gpimap[i].pin; - - if (pin <= GPI_PIN_ROW_END) { - evt_mode1 |= (1 << (pin - GPI_PIN_ROW_BASE)); - } else { - evt_mode2 |= ((1 << (pin - GPI_PIN_COL_BASE)) & 0xFF); - evt_mode3 |= ((1 << (pin - GPI_PIN_COL_BASE)) >> 8); - } - } - - if (pdata->gpimapsize) { - ret |= adp5588_write(client, GPI_EM1, evt_mode1); - ret |= adp5588_write(client, GPI_EM2, evt_mode2); - ret |= adp5588_write(client, GPI_EM3, evt_mode3); - } - if (gpio_data) { for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { int pull_mask = gpio_data->pullup_dis_mask; @@ -399,44 +489,6 @@ static int adp5588_setup(struct i2c_client *client) return 0; } -static void adp5588_report_switch_state(struct adp5588_kpad *kpad) -{ - int gpi_stat1 = adp5588_read(kpad->client, GPIO_DAT_STAT1); - int gpi_stat2 = adp5588_read(kpad->client, GPIO_DAT_STAT2); - int gpi_stat3 = adp5588_read(kpad->client, GPIO_DAT_STAT3); - int gpi_stat_tmp, pin_loc; - int i; - - for (i = 0; i < kpad->gpimapsize; i++) { - unsigned short pin = kpad->gpimap[i].pin; - - if (pin <= GPI_PIN_ROW_END) { - gpi_stat_tmp = gpi_stat1; - pin_loc = pin - GPI_PIN_ROW_BASE; - } else if ((pin - GPI_PIN_COL_BASE) < 8) { - gpi_stat_tmp = gpi_stat2; - pin_loc = pin - GPI_PIN_COL_BASE; - } else { - gpi_stat_tmp = gpi_stat3; - pin_loc = pin - GPI_PIN_COL_BASE - 8; - } - - if (gpi_stat_tmp < 0) { - dev_err(&kpad->client->dev, - "Can't read GPIO_DAT_STAT switch %d default to OFF\n", - pin); - gpi_stat_tmp = 0; - } - - input_report_switch(kpad->input, - kpad->gpimap[i].sw_evt, - !(gpi_stat_tmp & (1 << pin_loc))); - } - - input_sync(kpad->input); -} - - static int adp5588_probe(struct i2c_client *client, const struct i2c_device_id *id) { @@ -469,37 +521,6 @@ static int adp5588_probe(struct i2c_client *client, return -EINVAL; } - if (!pdata->gpimap && pdata->gpimapsize) { - dev_err(&client->dev, "invalid gpimap from pdata\n"); - return -EINVAL; - } - - if (pdata->gpimapsize > ADP5588_GPIMAPSIZE_MAX) { - dev_err(&client->dev, "invalid gpimapsize\n"); - return -EINVAL; - } - - for (i = 0; i < pdata->gpimapsize; i++) { - unsigned short pin = pdata->gpimap[i].pin; - - if (pin < GPI_PIN_BASE || pin > GPI_PIN_END) { - dev_err(&client->dev, "invalid gpi pin data\n"); - return -EINVAL; - } - - if (pin <= GPI_PIN_ROW_END) { - if (pin - GPI_PIN_ROW_BASE + 1 <= pdata->rows) { - dev_err(&client->dev, "invalid gpi row data\n"); - return -EINVAL; - } - } else { - if (pin - GPI_PIN_COL_BASE + 1 <= pdata->cols) { - dev_err(&client->dev, "invalid gpi col data\n"); - return -EINVAL; - } - } - } - if (!client->irq) { dev_err(&client->dev, "no IRQ?\n"); return -EINVAL; @@ -541,9 +562,6 @@ static int adp5588_probe(struct i2c_client *client, memcpy(kpad->keycode, pdata->keymap, pdata->keymapsize * input->keycodesize); - kpad->gpimap = pdata->gpimap; - kpad->gpimapsize = pdata->gpimapsize; - /* setup input device */ __set_bit(EV_KEY, input->evbit); @@ -555,11 +573,6 @@ static int adp5588_probe(struct i2c_client *client, __set_bit(kpad->keycode[i], input->keybit); __clear_bit(KEY_RESERVED, input->keybit); - if (kpad->gpimapsize) - __set_bit(EV_SW, input->evbit); - for (i = 0; i < kpad->gpimapsize; i++) - __set_bit(kpad->gpimap[i].sw_evt, input->swbit); - error = input_register_device(input); if (error) { dev_err(&client->dev, "unable to register input device: %d\n", @@ -567,6 +580,14 @@ static int adp5588_probe(struct i2c_client *client, return error; } + error = adp5588_setup(client); + if (error) + return error; + + error = adp5588_gpio_add(kpad); + if (error) + return error; + error = devm_request_threaded_irq(&client->dev, client->irq, adp5588_hard_irq, adp5588_thread_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, @@ -577,17 +598,6 @@ static int adp5588_probe(struct i2c_client *client, return error; } - error = adp5588_setup(client); - if (error) - return error; - - if (kpad->gpimapsize) - adp5588_report_switch_state(kpad); - - error = adp5588_gpio_add(kpad); - if (error) - return error; - dev_info(&client->dev, "Rev.%d keypad, irq %d\n", revid, client->irq); return 0; } diff --git a/include/linux/platform_data/adp5588.h b/include/linux/platform_data/adp5588.h index 6d3f7d911a92..82170ec8c266 100644 --- a/include/linux/platform_data/adp5588.h +++ b/include/linux/platform_data/adp5588.h @@ -147,8 +147,6 @@ struct adp5588_kpad_platform_data { unsigned en_keylock:1; /* Enable Key Lock feature */ unsigned short unlock_key1; /* Unlock Key 1 */ unsigned short unlock_key2; /* Unlock Key 2 */ - const struct adp5588_gpi_map *gpimap; - unsigned short gpimapsize; const struct adp5588_gpio_platform_data *gpio_data; }; From patchwork Mon Aug 29 13:15:45 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 600952 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5F09BC6FA69 for ; Mon, 29 Aug 2022 13:17:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230306AbiH2NRw (ORCPT ); Mon, 29 Aug 2022 09:17:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230048AbiH2NRJ (ORCPT ); Mon, 29 Aug 2022 09:17:09 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9DF3180527; Mon, 29 Aug 2022 06:16:36 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TD0STm026949; 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Mon, 29 Aug 2022 09:14:54 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 02/10] gpio: gpio-adp5588: drop the driver Date: Mon, 29 Aug 2022 15:15:45 +0200 Message-ID: <20220829131553.690063-3-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: Jm3sLpojwc_GA5OlinHx1MmkBzYM6SOd X-Proofpoint-GUID: Jm3sLpojwc_GA5OlinHx1MmkBzYM6SOd X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org With commit 70466baac3de ("input: keyboard: adp5588-keys: support gpi key events as 'gpio keys'"), the irchip functionality is directly supported in the input driver as the main goal of these pins is to be used as gpio keys. Hence, this driver can be removed. Signed-off-by: Nuno Sá Acked-by: Bartosz Golaszewski Reviewed-by: Andy Shevchenko --- MAINTAINERS | 1 - drivers/gpio/Kconfig | 14 -- drivers/gpio/Makefile | 1 - drivers/gpio/gpio-adp5588.c | 446 ------------------------------------ 4 files changed, 462 deletions(-) delete mode 100644 drivers/gpio/gpio-adp5588.c diff --git a/MAINTAINERS b/MAINTAINERS index 711bcd4f6269..8404c18e6bcf 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -556,7 +556,6 @@ M: Michael Hennerich S: Supported W: http://wiki.analog.com/ADP5588 W: https://ez.analog.com/linux-software-drivers -F: drivers/gpio/gpio-adp5588.c F: drivers/input/keyboard/adp5588-keys.c ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863) diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index 0642f579196f..3055ed2e115a 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -985,20 +985,6 @@ endmenu menu "I2C GPIO expanders" depends on I2C -config GPIO_ADP5588 - tristate "ADP5588 I2C GPIO expander" - help - This option enables support for 18 GPIOs found - on Analog Devices ADP5588 GPIO Expanders. - -config GPIO_ADP5588_IRQ - bool "Interrupt controller support for ADP5588" - depends on GPIO_ADP5588=y - select GPIOLIB_IRQCHIP - help - Say yes here to enable the adp5588 to be used as an interrupt - controller. It requires the driver to be built in the kernel. - config GPIO_ADNP tristate "Avionic Design N-bit GPIO expander" depends on OF_GPIO diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index a0985d30f51b..5b890a695f82 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -25,7 +25,6 @@ obj-$(CONFIG_GPIO_74X164) += gpio-74x164.o obj-$(CONFIG_GPIO_74XX_MMIO) += gpio-74xx-mmio.o obj-$(CONFIG_GPIO_ADNP) += gpio-adnp.o obj-$(CONFIG_GPIO_ADP5520) += gpio-adp5520.o -obj-$(CONFIG_GPIO_ADP5588) += gpio-adp5588.o obj-$(CONFIG_GPIO_AGGREGATOR) += gpio-aggregator.o obj-$(CONFIG_GPIO_ALTERA_A10SR) += gpio-altera-a10sr.o obj-$(CONFIG_GPIO_ALTERA) += gpio-altera.o diff --git a/drivers/gpio/gpio-adp5588.c b/drivers/gpio/gpio-adp5588.c deleted file mode 100644 index 9b562dbbd733..000000000000 --- a/drivers/gpio/gpio-adp5588.c +++ /dev/null @@ -1,446 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * GPIO Chip driver for Analog Devices - * ADP5588/ADP5587 I/O Expander and QWERTY Keypad Controller - * - * Copyright 2009-2010 Analog Devices Inc. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -/* - * Early pre 4.0 Silicon required to delay readout by at least 25ms, - * since the Event Counter Register updated 25ms after the interrupt - * asserted. - */ -#define WA_DELAYED_READOUT_REVID(rev) ((rev) < 4) - -struct adp5588_gpio { - struct i2c_client *client; - struct gpio_chip gpio_chip; - struct mutex lock; /* protect cached dir, dat_out */ - /* protect serialized access to the interrupt controller bus */ - struct mutex irq_lock; - uint8_t dat_out[3]; - uint8_t dir[3]; - uint8_t int_lvl_low[3]; - uint8_t int_lvl_high[3]; - uint8_t int_en[3]; - uint8_t irq_mask[3]; - uint8_t int_input_en[3]; -}; - -static int adp5588_gpio_read(struct i2c_client *client, u8 reg) -{ - int ret = i2c_smbus_read_byte_data(client, reg); - - if (ret < 0) - dev_err(&client->dev, "Read Error\n"); - - return ret; -} - -static int adp5588_gpio_write(struct i2c_client *client, u8 reg, u8 val) -{ - int ret = i2c_smbus_write_byte_data(client, reg, val); - - if (ret < 0) - dev_err(&client->dev, "Write Error\n"); - - return ret; -} - -static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) -{ - struct adp5588_gpio *dev = gpiochip_get_data(chip); - unsigned bank = ADP5588_BANK(off); - unsigned bit = ADP5588_BIT(off); - int val; - - mutex_lock(&dev->lock); - - if (dev->dir[bank] & bit) - val = dev->dat_out[bank]; - else - val = adp5588_gpio_read(dev->client, GPIO_DAT_STAT1 + bank); - - mutex_unlock(&dev->lock); - - return !!(val & bit); -} - -static void adp5588_gpio_set_value(struct gpio_chip *chip, - unsigned off, int val) -{ - unsigned bank, bit; - struct adp5588_gpio *dev = gpiochip_get_data(chip); - - bank = ADP5588_BANK(off); - bit = ADP5588_BIT(off); - - mutex_lock(&dev->lock); - if (val) - dev->dat_out[bank] |= bit; - else - dev->dat_out[bank] &= ~bit; - - adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank, - dev->dat_out[bank]); - mutex_unlock(&dev->lock); -} - -static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) -{ - int ret; - unsigned bank; - struct adp5588_gpio *dev = gpiochip_get_data(chip); - - bank = ADP5588_BANK(off); - - mutex_lock(&dev->lock); - dev->dir[bank] &= ~ADP5588_BIT(off); - ret = adp5588_gpio_write(dev->client, GPIO_DIR1 + bank, dev->dir[bank]); - mutex_unlock(&dev->lock); - - return ret; -} - -static int adp5588_gpio_direction_output(struct gpio_chip *chip, - unsigned off, int val) -{ - int ret; - unsigned bank, bit; - struct adp5588_gpio *dev = gpiochip_get_data(chip); - - bank = ADP5588_BANK(off); - bit = ADP5588_BIT(off); - - mutex_lock(&dev->lock); - dev->dir[bank] |= bit; - - if (val) - dev->dat_out[bank] |= bit; - else - dev->dat_out[bank] &= ~bit; - - ret = adp5588_gpio_write(dev->client, GPIO_DAT_OUT1 + bank, - dev->dat_out[bank]); - ret |= adp5588_gpio_write(dev->client, GPIO_DIR1 + bank, - dev->dir[bank]); - mutex_unlock(&dev->lock); - - return ret; -} - -#ifdef CONFIG_GPIO_ADP5588_IRQ - -static void adp5588_irq_bus_lock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adp5588_gpio *dev = gpiochip_get_data(gc); - - mutex_lock(&dev->irq_lock); -} - - /* - * genirq core code can issue chip->mask/unmask from atomic context. - * This doesn't work for slow busses where an access needs to sleep. - * bus_sync_unlock() is therefore called outside the atomic context, - * syncs the current irq mask state with the slow external controller - * and unlocks the bus. - */ - -static void adp5588_irq_bus_sync_unlock(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adp5588_gpio *dev = gpiochip_get_data(gc); - int i; - - for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { - if (dev->int_input_en[i]) { - mutex_lock(&dev->lock); - dev->dir[i] &= ~dev->int_input_en[i]; - dev->int_input_en[i] = 0; - adp5588_gpio_write(dev->client, GPIO_DIR1 + i, - dev->dir[i]); - mutex_unlock(&dev->lock); - } - - if (dev->int_en[i] ^ dev->irq_mask[i]) { - dev->int_en[i] = dev->irq_mask[i]; - adp5588_gpio_write(dev->client, GPI_EM1 + i, - dev->int_en[i]); - } - } - - mutex_unlock(&dev->irq_lock); -} - -static void adp5588_irq_mask(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adp5588_gpio *dev = gpiochip_get_data(gc); - - dev->irq_mask[ADP5588_BANK(d->hwirq)] &= ~ADP5588_BIT(d->hwirq); -} - -static void adp5588_irq_unmask(struct irq_data *d) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adp5588_gpio *dev = gpiochip_get_data(gc); - - dev->irq_mask[ADP5588_BANK(d->hwirq)] |= ADP5588_BIT(d->hwirq); -} - -static int adp5588_irq_set_type(struct irq_data *d, unsigned int type) -{ - struct gpio_chip *gc = irq_data_get_irq_chip_data(d); - struct adp5588_gpio *dev = gpiochip_get_data(gc); - uint16_t gpio = d->hwirq; - unsigned bank, bit; - - bank = ADP5588_BANK(gpio); - bit = ADP5588_BIT(gpio); - - dev->int_lvl_low[bank] &= ~bit; - dev->int_lvl_high[bank] &= ~bit; - - if (type & IRQ_TYPE_EDGE_BOTH || type & IRQ_TYPE_LEVEL_HIGH) - dev->int_lvl_high[bank] |= bit; - - if (type & IRQ_TYPE_EDGE_BOTH || type & IRQ_TYPE_LEVEL_LOW) - dev->int_lvl_low[bank] |= bit; - - dev->int_input_en[bank] |= bit; - - return 0; -} - -static struct irq_chip adp5588_irq_chip = { - .name = "adp5588", - .irq_mask = adp5588_irq_mask, - .irq_unmask = adp5588_irq_unmask, - .irq_bus_lock = adp5588_irq_bus_lock, - .irq_bus_sync_unlock = adp5588_irq_bus_sync_unlock, - .irq_set_type = adp5588_irq_set_type, -}; - -static irqreturn_t adp5588_irq_handler(int irq, void *devid) -{ - struct adp5588_gpio *dev = devid; - int status = adp5588_gpio_read(dev->client, INT_STAT); - - if (status & ADP5588_KE_INT) { - int ev_cnt = adp5588_gpio_read(dev->client, KEY_LCK_EC_STAT); - - if (ev_cnt > 0) { - int i; - - for (i = 0; i < (ev_cnt & ADP5588_KEC); i++) { - int key = adp5588_gpio_read(dev->client, - Key_EVENTA + i); - /* GPIN events begin at 97, - * bit 7 indicates logic level - */ - int gpio = (key & 0x7f) - 97; - int lvl = key & (1 << 7); - int bank = ADP5588_BANK(gpio); - int bit = ADP5588_BIT(gpio); - - if ((lvl && dev->int_lvl_high[bank] & bit) || - (!lvl && dev->int_lvl_low[bank] & bit)) - handle_nested_irq(irq_find_mapping( - dev->gpio_chip.irq.domain, gpio)); - } - } - } - - adp5588_gpio_write(dev->client, INT_STAT, status); /* Status is W1C */ - - return IRQ_HANDLED; -} - - -static int adp5588_irq_init_hw(struct gpio_chip *gc) -{ - struct adp5588_gpio *dev = gpiochip_get_data(gc); - /* Enable IRQs after registering chip */ - adp5588_gpio_write(dev->client, CFG, - ADP5588_AUTO_INC | ADP5588_INT_CFG | ADP5588_KE_IEN); - - return 0; -} - -static int adp5588_irq_setup(struct adp5588_gpio *dev) -{ - struct i2c_client *client = dev->client; - int ret; - struct adp5588_gpio_platform_data *pdata = - dev_get_platdata(&client->dev); - struct gpio_irq_chip *girq; - - adp5588_gpio_write(client, CFG, ADP5588_AUTO_INC); - adp5588_gpio_write(client, INT_STAT, -1); /* status is W1C */ - - mutex_init(&dev->irq_lock); - - ret = devm_request_threaded_irq(&client->dev, client->irq, - NULL, adp5588_irq_handler, IRQF_ONESHOT - | IRQF_TRIGGER_FALLING | IRQF_SHARED, - dev_name(&client->dev), dev); - if (ret) { - dev_err(&client->dev, "failed to request irq %d\n", - client->irq); - return ret; - } - - /* This will be registered in the call to devm_gpiochip_add_data() */ - girq = &dev->gpio_chip.irq; - girq->chip = &adp5588_irq_chip; - /* This will let us handle the parent IRQ in the driver */ - girq->parent_handler = NULL; - girq->num_parents = 0; - girq->parents = NULL; - girq->first = pdata ? pdata->irq_base : 0; - girq->default_type = IRQ_TYPE_NONE; - girq->handler = handle_simple_irq; - girq->init_hw = adp5588_irq_init_hw; - girq->threaded = true; - - return 0; -} - -#else -static int adp5588_irq_setup(struct adp5588_gpio *dev) -{ - struct i2c_client *client = dev->client; - dev_warn(&client->dev, "interrupt support not compiled in\n"); - - return 0; -} - -#endif /* CONFIG_GPIO_ADP5588_IRQ */ - -static int adp5588_gpio_probe(struct i2c_client *client) -{ - struct adp5588_gpio_platform_data *pdata = - dev_get_platdata(&client->dev); - struct adp5588_gpio *dev; - struct gpio_chip *gc; - int ret, i, revid; - unsigned int pullup_dis_mask = 0; - - if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { - dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); - return -EIO; - } - - dev = devm_kzalloc(&client->dev, sizeof(*dev), GFP_KERNEL); - if (!dev) - return -ENOMEM; - - dev->client = client; - - gc = &dev->gpio_chip; - gc->direction_input = adp5588_gpio_direction_input; - gc->direction_output = adp5588_gpio_direction_output; - gc->get = adp5588_gpio_get_value; - gc->set = adp5588_gpio_set_value; - gc->can_sleep = true; - gc->base = -1; - gc->parent = &client->dev; - - if (pdata) { - gc->base = pdata->gpio_start; - gc->names = pdata->names; - pullup_dis_mask = pdata->pullup_dis_mask; - } - - gc->ngpio = ADP5588_MAXGPIO; - gc->label = client->name; - gc->owner = THIS_MODULE; - - mutex_init(&dev->lock); - - ret = adp5588_gpio_read(dev->client, DEV_ID); - if (ret < 0) - return ret; - - revid = ret & ADP5588_DEVICE_ID_MASK; - - for (i = 0, ret = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { - dev->dat_out[i] = adp5588_gpio_read(client, GPIO_DAT_OUT1 + i); - dev->dir[i] = adp5588_gpio_read(client, GPIO_DIR1 + i); - ret |= adp5588_gpio_write(client, KP_GPIO1 + i, 0); - ret |= adp5588_gpio_write(client, GPIO_PULL1 + i, - (pullup_dis_mask >> (8 * i)) & 0xFF); - ret |= adp5588_gpio_write(client, GPIO_INT_EN1 + i, 0); - if (ret) - return ret; - } - - if (client->irq) { - if (WA_DELAYED_READOUT_REVID(revid)) { - dev_warn(&client->dev, "GPIO int not supported\n"); - } else { - ret = adp5588_irq_setup(dev); - if (ret) - return ret; - } - } - - ret = devm_gpiochip_add_data(&client->dev, &dev->gpio_chip, dev); - if (ret) - return ret; - - i2c_set_clientdata(client, dev); - - return 0; -} - -static void adp5588_gpio_remove(struct i2c_client *client) -{ - struct adp5588_gpio *dev = i2c_get_clientdata(client); - - if (dev->client->irq) - free_irq(dev->client->irq, dev); -} - -static const struct i2c_device_id adp5588_gpio_id[] = { - { "adp5588-gpio" }, - {} -}; -MODULE_DEVICE_TABLE(i2c, adp5588_gpio_id); - -static const struct of_device_id adp5588_gpio_of_id[] = { - { .compatible = "adi,adp5588-gpio" }, - {} -}; -MODULE_DEVICE_TABLE(of, adp5588_gpio_of_id); - -static struct i2c_driver adp5588_gpio_driver = { - .driver = { - .name = "adp5588-gpio", - .of_match_table = adp5588_gpio_of_id, - }, - .probe_new = adp5588_gpio_probe, - .remove = adp5588_gpio_remove, - .id_table = adp5588_gpio_id, -}; - -module_i2c_driver(adp5588_gpio_driver); - -MODULE_AUTHOR("Michael Hennerich "); -MODULE_DESCRIPTION("GPIO ADP5588 Driver"); -MODULE_LICENSE("GPL"); From patchwork Mon Aug 29 13:15:46 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 601299 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9095FC6FA87 for ; Mon, 29 Aug 2022 13:17:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230336AbiH2NRx (ORCPT ); Mon, 29 Aug 2022 09:17:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35058 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229601AbiH2NRJ (ORCPT ); Mon, 29 Aug 2022 09:17:09 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E3DC520F47; Mon, 29 Aug 2022 06:16:35 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TAq2sv015056; 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Mon, 29 Aug 2022 09:14:56 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 03/10] input: keyboard: adp5588-keys: bail out on returned error Date: Mon, 29 Aug 2022 15:15:46 +0200 Message-ID: <20220829131553.690063-4-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: _9jrnPtQPteK5kS3h6NhJG3ifoKcw9Y- X-Proofpoint-ORIG-GUID: _9jrnPtQPteK5kS3h6NhJG3ifoKcw9Y- X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Don't continue in code paths after some error is found. It makes no sense to do any other device configuration if a previous one failed. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 56 ++++++++++++++++++--------- 1 file changed, 38 insertions(+), 18 deletions(-) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index f5f7ddfe68be..2452ea4128b3 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -147,9 +147,13 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, ret = adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, kpad->dat_out[bank]); - ret |= adp5588_write(kpad->client, GPIO_DIR1 + bank, + if (ret) + goto out_unlock; + + ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]); +out_unlock: mutex_unlock(&kpad->gpio_lock); return ret; @@ -451,42 +455,58 @@ static int adp5588_setup(struct i2c_client *client) int i, ret; ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows)); - ret |= adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF); - ret |= adp5588_write(client, KP_GPIO3, KP_SEL(pdata->cols) >> 8); + if (ret) + return ret; + + ret = adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF); + if (ret) + return ret; + + ret = adp5588_write(client, KP_GPIO3, KP_SEL(pdata->cols) >> 8); + if (ret) + return ret; if (pdata->en_keylock) { - ret |= adp5588_write(client, UNLOCK1, pdata->unlock_key1); - ret |= adp5588_write(client, UNLOCK2, pdata->unlock_key2); - ret |= adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN); + ret = adp5588_write(client, UNLOCK1, pdata->unlock_key1); + if (ret) + return ret; + + ret = adp5588_write(client, UNLOCK2, pdata->unlock_key2); + if (ret) + return ret; + + ret = adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN); + if (ret) + return ret; } - for (i = 0; i < KEYP_MAX_EVENT; i++) - ret |= adp5588_read(client, Key_EVENTA); + for (i = 0; i < KEYP_MAX_EVENT; i++) { + ret = adp5588_read(client, Key_EVENTA); + if (ret) + return ret; + } if (gpio_data) { for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { int pull_mask = gpio_data->pullup_dis_mask; - ret |= adp5588_write(client, GPIO_PULL1 + i, + ret = adp5588_write(client, GPIO_PULL1 + i, (pull_mask >> (8 * i)) & 0xFF); + if (ret) + return ret; } } - ret |= adp5588_write(client, INT_STAT, + ret = adp5588_write(client, INT_STAT, ADP5588_CMP2_INT | ADP5588_CMP1_INT | ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */ + if (ret) + return ret; - ret |= adp5588_write(client, CFG, ADP5588_INT_CFG | + return adp5588_write(client, CFG, ADP5588_INT_CFG | ADP5588_OVR_FLOW_IEN | ADP5588_KE_IEN); - - if (ret < 0) { - dev_err(&client->dev, "Write Error\n"); - return ret; - } - - return 0; } static int adp5588_probe(struct i2c_client *client, From patchwork Mon Aug 29 13:15:47 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 601294 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BD398ECAAD5 for ; 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Mon, 29 Aug 2022 09:15:07 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:06 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:06 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiO026449; Mon, 29 Aug 2022 09:14:58 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 04/10] input: keyboard: adp5588-keys: add support for fw properties Date: Mon, 29 Aug 2022 15:15:47 +0200 Message-ID: <20220829131553.690063-5-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: s_EaSeIIwOAFgDAaLFL4ESexj5zhq9ps X-Proofpoint-GUID: s_EaSeIIwOAFgDAaLFL4ESexj5zhq9ps X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Use firmware properties (eg: OF) to get the device specific configuration. This change just replaces the platform data since there was no platform using it and so, it makes no sense having both. Special note to the PULL-UP disable setting that is now supported as part of the gpio subsystem (using 'set_config()' callback). Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/Kconfig | 1 + drivers/input/keyboard/adp5588-keys.c | 394 +++++++++++++++++++------- include/linux/platform_data/adp5588.h | 169 ----------- 3 files changed, 288 insertions(+), 276 deletions(-) delete mode 100644 include/linux/platform_data/adp5588.h diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig index ca5cd5e520a7..be4a6f8165cd 100644 --- a/drivers/input/keyboard/Kconfig +++ b/drivers/input/keyboard/Kconfig @@ -42,6 +42,7 @@ config KEYBOARD_ADP5588 depends on I2C select GPIOLIB select GPIOLIB_IRQCHIP + select INPUT_MATRIXKMAP help Say Y here if you want to use a ADP5588/87 attached to your system I2C bus. diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 2452ea4128b3..2b00bc0f174c 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -13,16 +13,149 @@ #include #include #include +#include #include #include #include #include +#include +#include #include #include #include #include -#include +#define DEV_ID 0x00 /* Device ID */ +#define CFG 0x01 /* Configuration Register1 */ +#define INT_STAT 0x02 /* Interrupt Status Register */ +#define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */ +#define Key_EVENTA 0x04 /* Key Event Register A */ +#define Key_EVENTB 0x05 /* Key Event Register B */ +#define Key_EVENTC 0x06 /* Key Event Register C */ +#define Key_EVENTD 0x07 /* Key Event Register D */ +#define Key_EVENTE 0x08 /* Key Event Register E */ +#define Key_EVENTF 0x09 /* Key Event Register F */ +#define Key_EVENTG 0x0A /* Key Event Register G */ +#define Key_EVENTH 0x0B /* Key Event Register H */ +#define Key_EVENTI 0x0C /* Key Event Register I */ +#define Key_EVENTJ 0x0D /* Key Event Register J */ +#define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */ +#define UNLOCK1 0x0F /* Unlock Key1 */ +#define UNLOCK2 0x10 /* Unlock Key2 */ +#define GPIO_INT_STAT1 0x11 /* GPIO Interrupt Status */ +#define GPIO_INT_STAT2 0x12 /* GPIO Interrupt Status */ +#define GPIO_INT_STAT3 0x13 /* GPIO Interrupt Status */ +#define GPIO_DAT_STAT1 0x14 /* GPIO Data Status, Read twice to clear */ +#define GPIO_DAT_STAT2 0x15 /* GPIO Data Status, Read twice to clear */ +#define GPIO_DAT_STAT3 0x16 /* GPIO Data Status, Read twice to clear */ +#define GPIO_DAT_OUT1 0x17 /* GPIO DATA OUT */ +#define GPIO_DAT_OUT2 0x18 /* GPIO DATA OUT */ +#define GPIO_DAT_OUT3 0x19 /* GPIO DATA OUT */ +#define GPIO_INT_EN1 0x1A /* GPIO Interrupt Enable */ +#define GPIO_INT_EN2 0x1B /* GPIO Interrupt Enable */ +#define GPIO_INT_EN3 0x1C /* GPIO Interrupt Enable */ +#define KP_GPIO1 0x1D /* Keypad or GPIO Selection */ +#define KP_GPIO2 0x1E /* Keypad or GPIO Selection */ +#define KP_GPIO3 0x1F /* Keypad or GPIO Selection */ +#define GPI_EM1 0x20 /* GPI Event Mode 1 */ +#define GPI_EM2 0x21 /* GPI Event Mode 2 */ +#define GPI_EM3 0x22 /* GPI Event Mode 3 */ +#define GPIO_DIR1 0x23 /* GPIO Data Direction */ +#define GPIO_DIR2 0x24 /* GPIO Data Direction */ +#define GPIO_DIR3 0x25 /* GPIO Data Direction */ +#define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */ +#define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */ +#define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */ +#define Debounce_DIS1 0x29 /* Debounce Disable */ +#define Debounce_DIS2 0x2A /* Debounce Disable */ +#define Debounce_DIS3 0x2B /* Debounce Disable */ +#define GPIO_PULL1 0x2C /* GPIO Pull Disable */ +#define GPIO_PULL2 0x2D /* GPIO Pull Disable */ +#define GPIO_PULL3 0x2E /* GPIO Pull Disable */ +#define CMP_CFG_STAT 0x30 /* Comparator Configuration and Status Register */ +#define CMP_CONFG_SENS1 0x31 /* Sensor1 Comparator Configuration Register */ +#define CMP_CONFG_SENS2 0x32 /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */ +#define CMP1_LVL2_TRIP 0x33 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */ +#define CMP1_LVL2_HYS 0x34 /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */ +#define CMP1_LVL3_TRIP 0x35 /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */ +#define CMP1_LVL3_HYS 0x36 /* Sensor 2 Comparator Configuration Register */ +#define CMP2_LVL2_TRIP 0x37 /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */ +#define CMP2_LVL2_HYS 0x38 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */ +#define CMP2_LVL3_TRIP 0x39 /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */ +#define CMP2_LVL3_HYS 0x3A /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */ +#define CMP1_ADC_DAT_R1 0x3B /* Comparator 1 ADC data Register1 */ +#define CMP1_ADC_DAT_R2 0x3C /* Comparator 1 ADC data Register2 */ +#define CMP2_ADC_DAT_R1 0x3D /* Comparator 2 ADC data Register1 */ +#define CMP2_ADC_DAT_R2 0x3E /* Comparator 2 ADC data Register2 */ + +#define ADP5588_DEVICE_ID_MASK 0xF + + /* Configuration Register1 */ +#define ADP5588_AUTO_INC (1 << 7) +#define ADP5588_GPIEM_CFG (1 << 6) +#define ADP5588_OVR_FLOW_M (1 << 5) +#define ADP5588_INT_CFG (1 << 4) +#define ADP5588_OVR_FLOW_IEN (1 << 3) +#define ADP5588_K_LCK_IM (1 << 2) +#define ADP5588_GPI_IEN (1 << 1) +#define ADP5588_KE_IEN (1 << 0) + +/* Interrupt Status Register */ +#define ADP5588_CMP2_INT (1 << 5) +#define ADP5588_CMP1_INT (1 << 4) +#define ADP5588_OVR_FLOW_INT (1 << 3) +#define ADP5588_K_LCK_INT (1 << 2) +#define ADP5588_GPI_INT (1 << 1) +#define ADP5588_KE_INT (1 << 0) + +/* Key Lock and Event Counter Register */ +#define ADP5588_K_LCK_EN (1 << 6) +#define ADP5588_LCK21 0x30 +#define ADP5588_KEC 0xF + +#define ADP5588_MAXGPIO 18 +#define ADP5588_BANK(offs) ((offs) >> 3) +#define ADP5588_BIT(offs) (1u << ((offs) & 0x7)) + +/* Put one of these structures in i2c_board_info platform_data */ + +/* + * 128 so it fits matrix-keymap maximum number of keys when the full + * 10cols * 8rows are used. + */ +#define ADP5588_KEYMAPSIZE 128 + +#define GPI_PIN_ROW0 97 +#define GPI_PIN_ROW1 98 +#define GPI_PIN_ROW2 99 +#define GPI_PIN_ROW3 100 +#define GPI_PIN_ROW4 101 +#define GPI_PIN_ROW5 102 +#define GPI_PIN_ROW6 103 +#define GPI_PIN_ROW7 104 +#define GPI_PIN_COL0 105 +#define GPI_PIN_COL1 106 +#define GPI_PIN_COL2 107 +#define GPI_PIN_COL3 108 +#define GPI_PIN_COL4 109 +#define GPI_PIN_COL5 110 +#define GPI_PIN_COL6 111 +#define GPI_PIN_COL7 112 +#define GPI_PIN_COL8 113 +#define GPI_PIN_COL9 114 + +#define GPI_PIN_ROW_BASE GPI_PIN_ROW0 +#define GPI_PIN_ROW_END GPI_PIN_ROW7 +#define GPI_PIN_COL_BASE GPI_PIN_COL0 +#define GPI_PIN_COL_END GPI_PIN_COL9 + +#define GPI_PIN_BASE GPI_PIN_ROW_BASE +#define GPI_PIN_END GPI_PIN_COL_END + +#define ADP5588_ROWS_MAX (GPI_PIN_ROW7 - GPI_PIN_ROW0 + 1) +#define ADP5588_COLS_MAX (GPI_PIN_COL9 - GPI_PIN_COL0 + 1) + +#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1) /* Key Event Register xy */ #define KEY_EV_PRESSED (1 << 7) @@ -47,6 +180,11 @@ struct adp5588_kpad { struct input_dev *input; ktime_t irq_time; unsigned long delay; + u32 row_shift; + u32 rows; + u32 cols; + u32 unlock_keys[2]; + int nkeys_unlock; unsigned short keycode[ADP5588_KEYMAPSIZE]; unsigned char gpiomap[ADP5588_MAXGPIO]; struct gpio_chip gc; @@ -55,6 +193,7 @@ struct adp5588_kpad { u8 dir[3]; u8 int_en[3]; u8 irq_mask[3]; + u8 pull_dis[3]; }; static int adp5588_read(struct i2c_client *client, u8 reg) @@ -111,6 +250,40 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, mutex_unlock(&kpad->gpio_lock); } +static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off, + unsigned long config) +{ + struct adp5588_kpad *kpad = gpiochip_get_data(chip); + unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); + unsigned int bit = ADP5588_BIT(kpad->gpiomap[off]), pull_disable; + int ret; + + switch (pinconf_to_config_param(config)) { + case PIN_CONFIG_BIAS_PULL_UP: + pull_disable = 0; + break; + case PIN_CONFIG_BIAS_DISABLE: + pull_disable = 1; + break; + default: + return -ENOTSUPP; + } + + mutex_lock(&kpad->gpio_lock); + + if (pull_disable) + kpad->pull_dis[bank] |= bit; + else + kpad->pull_dis[bank] &= bit; + + ret = adp5588_write(kpad->client, GPIO_PULL1 + bank, + kpad->pull_dis[bank]); + + mutex_unlock(&kpad->gpio_lock); + + return ret; +} + static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); @@ -159,8 +332,7 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, return ret; } -static int adp5588_build_gpiomap(struct adp5588_kpad *kpad, - const struct adp5588_kpad_platform_data *pdata) +static int adp5588_build_gpiomap(struct adp5588_kpad *kpad) { bool pin_used[ADP5588_MAXGPIO]; int n_unused = 0; @@ -168,10 +340,10 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad, memset(pin_used, 0, sizeof(pin_used)); - for (i = 0; i < pdata->rows; i++) + for (i = 0; i < kpad->rows; i++) pin_used[i] = true; - for (i = 0; i < pdata->cols; i++) + for (i = 0; i < kpad->cols; i++) pin_used[i + GPI_PIN_COL_BASE - GPI_PIN_BASE] = true; for (i = 0; i < ADP5588_MAXGPIO; i++) @@ -181,21 +353,6 @@ static int adp5588_build_gpiomap(struct adp5588_kpad *kpad, return n_unused; } -static void adp5588_gpio_do_teardown(void *_kpad) -{ - struct adp5588_kpad *kpad = _kpad; - struct device *dev = &kpad->client->dev; - const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev); - const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data; - int error; - - error = gpio_data->teardown(kpad->client, - kpad->gc.base, kpad->gc.ngpio, - gpio_data->context); - if (error) - dev_warn(&kpad->client->dev, "teardown failed %d\n", error); -} - static void adp5588_irq_bus_lock(struct irq_data *d) { struct gpio_chip *gc = irq_data_get_irq_chip_data(d); @@ -266,15 +423,10 @@ static const struct irq_chip adp5588_irq_chip = { static int adp5588_gpio_add(struct adp5588_kpad *kpad) { struct device *dev = &kpad->client->dev; - const struct adp5588_kpad_platform_data *pdata = dev_get_platdata(dev); - const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data; struct gpio_irq_chip *girq; int i, error; - if (!gpio_data) - return 0; - - kpad->gc.ngpio = adp5588_build_gpiomap(kpad, pdata); + kpad->gc.ngpio = adp5588_build_gpiomap(kpad); if (kpad->gc.ngpio == 0) { dev_info(dev, "No unused gpios left to export\n"); return 0; @@ -285,12 +437,12 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) kpad->gc.direction_output = adp5588_gpio_direction_output; kpad->gc.get = adp5588_gpio_get_value; kpad->gc.set = adp5588_gpio_set_value; + kpad->gc.set_config = adp5588_gpio_set_config; kpad->gc.can_sleep = 1; - kpad->gc.base = gpio_data->gpio_start; + kpad->gc.base = -1; kpad->gc.label = kpad->client->name; kpad->gc.owner = THIS_MODULE; - kpad->gc.names = gpio_data->names; girq = &kpad->gc.irq; gpio_irq_chip_set_chip(girq, &adp5588_irq_chip); @@ -309,21 +461,7 @@ static int adp5588_gpio_add(struct adp5588_kpad *kpad) kpad->dat_out[i] = adp5588_read(kpad->client, GPIO_DAT_OUT1 + i); kpad->dir[i] = adp5588_read(kpad->client, GPIO_DIR1 + i); - } - - if (gpio_data->setup) { - error = gpio_data->setup(kpad->client, - kpad->gc.base, kpad->gc.ngpio, - gpio_data->context); - if (error) - dev_warn(dev, "setup failed: %d\n", error); - } - - if (gpio_data->teardown) { - error = devm_add_action(dev, adp5588_gpio_do_teardown, kpad); - if (error) - dev_warn(dev, "failed to schedule teardown: %d\n", - error); + kpad->pull_dis[i] = adp5588_read(kpad->client, GPIO_PULL1 + i); } return 0; @@ -390,12 +528,21 @@ static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt) int key_val = key & KEY_EV_MASK; int key_press = key & KEY_EV_PRESSED; - if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) + if (key_val >= GPI_PIN_BASE && key_val <= GPI_PIN_END) { /* gpio line used as IRQ source */ adp5588_gpio_irq_handle(kpad, key_val, key_press); - else + } else { + int row = (key_val - 1) / ADP5588_COLS_MAX; + int col = (key_val - 1) % ADP5588_COLS_MAX; + int code = MATRIX_SCAN_CODE(row, col, kpad->row_shift); + + dev_dbg_ratelimited(&kpad->client->dev, + "report key(%d) r(%d) c(%d) code(%d)\n", + key_val, row, col, kpad->keycode[code]); + input_report_key(kpad->input, - kpad->keycode[key_val - 1], key_press); + kpad->keycode[code], key_press); + } } } @@ -447,34 +594,30 @@ static irqreturn_t adp5588_thread_irq(int irq, void *handle) return IRQ_HANDLED; } -static int adp5588_setup(struct i2c_client *client) +static int adp5588_setup(struct adp5588_kpad *kpad) { - const struct adp5588_kpad_platform_data *pdata = - dev_get_platdata(&client->dev); - const struct adp5588_gpio_platform_data *gpio_data = pdata->gpio_data; + struct i2c_client *client = kpad->client; int i, ret; - ret = adp5588_write(client, KP_GPIO1, KP_SEL(pdata->rows)); + ret = adp5588_write(client, KP_GPIO1, KP_SEL(kpad->rows)); if (ret) return ret; - ret = adp5588_write(client, KP_GPIO2, KP_SEL(pdata->cols) & 0xFF); + ret = adp5588_write(client, KP_GPIO2, KP_SEL(kpad->cols) & 0xFF); if (ret) return ret; - ret = adp5588_write(client, KP_GPIO3, KP_SEL(pdata->cols) >> 8); + ret = adp5588_write(client, KP_GPIO3, KP_SEL(kpad->cols) >> 8); if (ret) return ret; - if (pdata->en_keylock) { - ret = adp5588_write(client, UNLOCK1, pdata->unlock_key1); - if (ret) - return ret; - - ret = adp5588_write(client, UNLOCK2, pdata->unlock_key2); + for (i = 0; i < kpad->nkeys_unlock; i++) { + ret = adp5588_write(client, UNLOCK1 + i, kpad->unlock_keys[i]); if (ret) return ret; + } + if (kpad->nkeys_unlock) { ret = adp5588_write(client, KEY_LCK_EC_STAT, ADP5588_K_LCK_EN); if (ret) return ret; @@ -486,17 +629,6 @@ static int adp5588_setup(struct i2c_client *client) return ret; } - if (gpio_data) { - for (i = 0; i <= ADP5588_BANK(ADP5588_MAXGPIO); i++) { - int pull_mask = gpio_data->pullup_dis_mask; - - ret = adp5588_write(client, GPIO_PULL1 + i, - (pull_mask >> (8 * i)) & 0xFF); - if (ret) - return ret; - } - } - ret = adp5588_write(client, INT_STAT, ADP5588_CMP2_INT | ADP5588_CMP1_INT | ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | @@ -509,15 +641,84 @@ static int adp5588_setup(struct i2c_client *client) ADP5588_KE_IEN); } +static int adp5588_fw_parse(struct adp5588_kpad *kpad) +{ + struct i2c_client *client = kpad->client; + int ret, i; + + ret = matrix_keypad_parse_properties(&client->dev, &kpad->rows, + &kpad->cols); + if (ret) + return ret; + + if (kpad->rows > ADP5588_ROWS_MAX || kpad->cols > ADP5588_COLS_MAX) { + dev_err(&client->dev, "Invalid nr of rows(%u) or cols(%u)\n", + kpad->rows, kpad->cols); + return -EINVAL; + } + + ret = matrix_keypad_build_keymap(NULL, NULL, kpad->rows, kpad->cols, + kpad->keycode, kpad->input); + if (ret) + return ret; + + kpad->row_shift = get_count_order(kpad->cols); + + if (device_property_read_bool(&client->dev, "autorepeat")) + __set_bit(EV_REP, kpad->input->evbit); + + kpad->nkeys_unlock = device_property_count_u32(&client->dev, + "adi,unlock-keys"); + if (kpad->nkeys_unlock <= 0) { + /* so that we don't end up enabling key lock */ + kpad->nkeys_unlock = 0; + return 0; + } + + if (kpad->nkeys_unlock > ARRAY_SIZE(kpad->unlock_keys)) { + dev_err(&client->dev, "number of unlock keys(%d) > (%zu)\n", + kpad->nkeys_unlock, ARRAY_SIZE(kpad->unlock_keys)); + return -EINVAL; + } + + ret = device_property_read_u32_array(&client->dev, "adi,unlock-keys", + kpad->unlock_keys, + kpad->nkeys_unlock); + if (ret) + return ret; + + for (i = 0; i < kpad->nkeys_unlock; i++) { + /* + * Even though it should be possible (as stated in the datasheet) + * to use GPIs (which are part of the keys event) as unlock keys, + * it was not working at all and was leading to overflow events + * at some point. Hence, for now, let's just allow keys which are + * part of keypad matrix to be used and if a reliable way of + * using GPIs is found, this condition can be removed/lightened. + */ + if (kpad->unlock_keys[i] >= kpad->cols * kpad->rows) { + dev_err(&client->dev, "Invalid unlock key(%d)\n", + kpad->unlock_keys[i]); + return -EINVAL; + } + + /* + * Firmware properties keys start from 0 but on the device they + * start from 1. + */ + kpad->unlock_keys[i] += 1; + } + + return 0; +} + static int adp5588_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adp5588_kpad *kpad; - const struct adp5588_kpad_platform_data *pdata = - dev_get_platdata(&client->dev); struct input_dev *input; unsigned int revid; - int ret, i; + int ret; int error; if (!i2c_check_functionality(client->adapter, @@ -526,21 +727,6 @@ static int adp5588_probe(struct i2c_client *client, return -EIO; } - if (!pdata) { - dev_err(&client->dev, "no platform data?\n"); - return -EINVAL; - } - - if (!pdata->rows || !pdata->cols || !pdata->keymap) { - dev_err(&client->dev, "no rows, cols or keymap from pdata\n"); - return -EINVAL; - } - - if (pdata->keymapsize != ADP5588_KEYMAPSIZE) { - dev_err(&client->dev, "invalid keymapsize\n"); - return -EINVAL; - } - if (!client->irq) { dev_err(&client->dev, "no IRQ?\n"); return -EINVAL; @@ -557,6 +743,10 @@ static int adp5588_probe(struct i2c_client *client, kpad->client = client; kpad->input = input; + error = adp5588_fw_parse(kpad); + if (error) + return error; + ret = adp5588_read(client, DEV_ID); if (ret < 0) return ret; @@ -575,24 +765,6 @@ static int adp5588_probe(struct i2c_client *client, input->id.product = 0x0001; input->id.version = revid; - input->keycodesize = sizeof(kpad->keycode[0]); - input->keycodemax = pdata->keymapsize; - input->keycode = kpad->keycode; - - memcpy(kpad->keycode, pdata->keymap, - pdata->keymapsize * input->keycodesize); - - /* setup input device */ - __set_bit(EV_KEY, input->evbit); - - if (pdata->repeat) - __set_bit(EV_REP, input->evbit); - - for (i = 0; i < input->keycodemax; i++) - if (kpad->keycode[i] <= KEY_MAX) - __set_bit(kpad->keycode[i], input->keybit); - __clear_bit(KEY_RESERVED, input->keybit); - error = input_register_device(input); if (error) { dev_err(&client->dev, "unable to register input device: %d\n", @@ -600,7 +772,7 @@ static int adp5588_probe(struct i2c_client *client, return error; } - error = adp5588_setup(client); + error = adp5588_setup(kpad); if (error) return error; @@ -656,9 +828,17 @@ static const struct i2c_device_id adp5588_id[] = { }; MODULE_DEVICE_TABLE(i2c, adp5588_id); +static const struct of_device_id adp5588_of_match[] = { + { .compatible = "adi,adp5588" }, + { .compatible = "adi,adp5587" }, + {} +}; +MODULE_DEVICE_TABLE(of, adp5588_of_match); + static struct i2c_driver adp5588_driver = { .driver = { .name = KBUILD_MODNAME, + .of_match_table = adp5588_of_match, .pm = &adp5588_dev_pm_ops, }, .probe = adp5588_probe, diff --git a/include/linux/platform_data/adp5588.h b/include/linux/platform_data/adp5588.h deleted file mode 100644 index 82170ec8c266..000000000000 --- a/include/linux/platform_data/adp5588.h +++ /dev/null @@ -1,169 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Analog Devices ADP5588 I/O Expander and QWERTY Keypad Controller - * - * Copyright 2009-2010 Analog Devices Inc. - */ - -#ifndef _ADP5588_H -#define _ADP5588_H - -#define DEV_ID 0x00 /* Device ID */ -#define CFG 0x01 /* Configuration Register1 */ -#define INT_STAT 0x02 /* Interrupt Status Register */ -#define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */ -#define Key_EVENTA 0x04 /* Key Event Register A */ -#define Key_EVENTB 0x05 /* Key Event Register B */ -#define Key_EVENTC 0x06 /* Key Event Register C */ -#define Key_EVENTD 0x07 /* Key Event Register D */ -#define Key_EVENTE 0x08 /* Key Event Register E */ -#define Key_EVENTF 0x09 /* Key Event Register F */ -#define Key_EVENTG 0x0A /* Key Event Register G */ -#define Key_EVENTH 0x0B /* Key Event Register H */ -#define Key_EVENTI 0x0C /* Key Event Register I */ -#define Key_EVENTJ 0x0D /* Key Event Register J */ -#define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */ -#define UNLOCK1 0x0F /* Unlock Key1 */ -#define UNLOCK2 0x10 /* Unlock Key2 */ -#define GPIO_INT_STAT1 0x11 /* GPIO Interrupt Status */ -#define GPIO_INT_STAT2 0x12 /* GPIO Interrupt Status */ -#define GPIO_INT_STAT3 0x13 /* GPIO Interrupt Status */ -#define GPIO_DAT_STAT1 0x14 /* GPIO Data Status, Read twice to clear */ -#define GPIO_DAT_STAT2 0x15 /* GPIO Data Status, Read twice to clear */ -#define GPIO_DAT_STAT3 0x16 /* GPIO Data Status, Read twice to clear */ -#define GPIO_DAT_OUT1 0x17 /* GPIO DATA OUT */ -#define GPIO_DAT_OUT2 0x18 /* GPIO DATA OUT */ -#define GPIO_DAT_OUT3 0x19 /* GPIO DATA OUT */ -#define GPIO_INT_EN1 0x1A /* GPIO Interrupt Enable */ -#define GPIO_INT_EN2 0x1B /* GPIO Interrupt Enable */ -#define GPIO_INT_EN3 0x1C /* GPIO Interrupt Enable */ -#define KP_GPIO1 0x1D /* Keypad or GPIO Selection */ -#define KP_GPIO2 0x1E /* Keypad or GPIO Selection */ -#define KP_GPIO3 0x1F /* Keypad or GPIO Selection */ -#define GPI_EM1 0x20 /* GPI Event Mode 1 */ -#define GPI_EM2 0x21 /* GPI Event Mode 2 */ -#define GPI_EM3 0x22 /* GPI Event Mode 3 */ -#define GPIO_DIR1 0x23 /* GPIO Data Direction */ -#define GPIO_DIR2 0x24 /* GPIO Data Direction */ -#define GPIO_DIR3 0x25 /* GPIO Data Direction */ -#define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */ -#define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */ -#define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */ -#define Debounce_DIS1 0x29 /* Debounce Disable */ -#define Debounce_DIS2 0x2A /* Debounce Disable */ -#define Debounce_DIS3 0x2B /* Debounce Disable */ -#define GPIO_PULL1 0x2C /* GPIO Pull Disable */ -#define GPIO_PULL2 0x2D /* GPIO Pull Disable */ -#define GPIO_PULL3 0x2E /* GPIO Pull Disable */ -#define CMP_CFG_STAT 0x30 /* Comparator Configuration and Status Register */ -#define CMP_CONFG_SENS1 0x31 /* Sensor1 Comparator Configuration Register */ -#define CMP_CONFG_SENS2 0x32 /* L2 Light Sensor Reference Level, Output Falling for Sensor 1 */ -#define CMP1_LVL2_TRIP 0x33 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 1 */ -#define CMP1_LVL2_HYS 0x34 /* L3 Light Sensor Reference Level, Output Falling For Sensor 1 */ -#define CMP1_LVL3_TRIP 0x35 /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 1 */ -#define CMP1_LVL3_HYS 0x36 /* Sensor 2 Comparator Configuration Register */ -#define CMP2_LVL2_TRIP 0x37 /* L2 Light Sensor Reference Level, Output Falling for Sensor 2 */ -#define CMP2_LVL2_HYS 0x38 /* L2 Light Sensor Hysteresis (Active when Output Rising) for Sensor 2 */ -#define CMP2_LVL3_TRIP 0x39 /* L3 Light Sensor Reference Level, Output Falling For Sensor 2 */ -#define CMP2_LVL3_HYS 0x3A /* L3 Light Sensor Hysteresis (Active when Output Rising) For Sensor 2 */ -#define CMP1_ADC_DAT_R1 0x3B /* Comparator 1 ADC data Register1 */ -#define CMP1_ADC_DAT_R2 0x3C /* Comparator 1 ADC data Register2 */ -#define CMP2_ADC_DAT_R1 0x3D /* Comparator 2 ADC data Register1 */ -#define CMP2_ADC_DAT_R2 0x3E /* Comparator 2 ADC data Register2 */ - -#define ADP5588_DEVICE_ID_MASK 0xF - - /* Configuration Register1 */ -#define ADP5588_AUTO_INC (1 << 7) -#define ADP5588_GPIEM_CFG (1 << 6) -#define ADP5588_OVR_FLOW_M (1 << 5) -#define ADP5588_INT_CFG (1 << 4) -#define ADP5588_OVR_FLOW_IEN (1 << 3) -#define ADP5588_K_LCK_IM (1 << 2) -#define ADP5588_GPI_IEN (1 << 1) -#define ADP5588_KE_IEN (1 << 0) - -/* Interrupt Status Register */ -#define ADP5588_CMP2_INT (1 << 5) -#define ADP5588_CMP1_INT (1 << 4) -#define ADP5588_OVR_FLOW_INT (1 << 3) -#define ADP5588_K_LCK_INT (1 << 2) -#define ADP5588_GPI_INT (1 << 1) -#define ADP5588_KE_INT (1 << 0) - -/* Key Lock and Event Counter Register */ -#define ADP5588_K_LCK_EN (1 << 6) -#define ADP5588_LCK21 0x30 -#define ADP5588_KEC 0xF - -#define ADP5588_MAXGPIO 18 -#define ADP5588_BANK(offs) ((offs) >> 3) -#define ADP5588_BIT(offs) (1u << ((offs) & 0x7)) - -/* Put one of these structures in i2c_board_info platform_data */ - -#define ADP5588_KEYMAPSIZE 80 - -#define GPI_PIN_ROW0 97 -#define GPI_PIN_ROW1 98 -#define GPI_PIN_ROW2 99 -#define GPI_PIN_ROW3 100 -#define GPI_PIN_ROW4 101 -#define GPI_PIN_ROW5 102 -#define GPI_PIN_ROW6 103 -#define GPI_PIN_ROW7 104 -#define GPI_PIN_COL0 105 -#define GPI_PIN_COL1 106 -#define GPI_PIN_COL2 107 -#define GPI_PIN_COL3 108 -#define GPI_PIN_COL4 109 -#define GPI_PIN_COL5 110 -#define GPI_PIN_COL6 111 -#define GPI_PIN_COL7 112 -#define GPI_PIN_COL8 113 -#define GPI_PIN_COL9 114 - -#define GPI_PIN_ROW_BASE GPI_PIN_ROW0 -#define GPI_PIN_ROW_END GPI_PIN_ROW7 -#define GPI_PIN_COL_BASE GPI_PIN_COL0 -#define GPI_PIN_COL_END GPI_PIN_COL9 - -#define GPI_PIN_BASE GPI_PIN_ROW_BASE -#define GPI_PIN_END GPI_PIN_COL_END - -#define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1) - -struct adp5588_gpi_map { - unsigned short pin; - unsigned short sw_evt; -}; - -struct adp5588_kpad_platform_data { - int rows; /* Number of rows */ - int cols; /* Number of columns */ - const unsigned short *keymap; /* Pointer to keymap */ - unsigned short keymapsize; /* Keymap size */ - unsigned repeat:1; /* Enable key repeat */ - unsigned en_keylock:1; /* Enable Key Lock feature */ - unsigned short unlock_key1; /* Unlock Key 1 */ - unsigned short unlock_key2; /* Unlock Key 2 */ - const struct adp5588_gpio_platform_data *gpio_data; -}; - -struct i2c_client; /* forward declaration */ - -struct adp5588_gpio_platform_data { - int gpio_start; /* GPIO Chip base # */ - const char *const *names; - unsigned irq_base; /* interrupt base # */ - unsigned pullup_dis_mask; /* Pull-Up Disable Mask */ - int (*setup)(struct i2c_client *client, - unsigned gpio, unsigned ngpio, - void *context); - int (*teardown)(struct i2c_client *client, - unsigned gpio, unsigned ngpio, - void *context); - void *context; -}; - -#endif From patchwork Mon Aug 29 13:15:48 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 601297 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 44DF5ECAAD2 for ; Mon, 29 Aug 2022 13:18:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229620AbiH2NS4 (ORCPT ); Mon, 29 Aug 2022 09:18:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33770 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230207AbiH2NRV (ORCPT ); Mon, 29 Aug 2022 09:17:21 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 174692124B; Mon, 29 Aug 2022 06:16:52 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TD8wYW028717; Mon, 29 Aug 2022 09:15:10 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7g673ce9-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:10 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDF8rH019113 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:08 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:08 -0400 Received: from ASHBMBX8.ad.analog.com (10.64.17.5) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:07 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:07 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiP026449; Mon, 29 Aug 2022 09:14:59 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich , Krzysztof Kozlowski Subject: [PATCH v4 05/10] dt-bindings: input: adp5588: add bindings Date: Mon, 29 Aug 2022 15:15:48 +0200 Message-ID: <20220829131553.690063-6-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: paDACxd9Y1f158bgu4NRb_2kUAdp8qDu X-Proofpoint-GUID: paDACxd9Y1f158bgu4NRb_2kUAdp8qDu X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1011 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add device tree bindings for the adp5588-keys driver. Signed-off-by: Nuno Sá Reviewed-by: Krzysztof Kozlowski --- .../bindings/input/adi,adp5588.yaml | 111 ++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 112 insertions(+) create mode 100644 Documentation/devicetree/bindings/input/adi,adp5588.yaml diff --git a/Documentation/devicetree/bindings/input/adi,adp5588.yaml b/Documentation/devicetree/bindings/input/adi,adp5588.yaml new file mode 100644 index 000000000000..26ea66834ae2 --- /dev/null +++ b/Documentation/devicetree/bindings/input/adi,adp5588.yaml @@ -0,0 +1,111 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/input/adi,adp5588.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Analog Devices ADP5588 Keypad Controller + +maintainers: + - Nuno Sá + +description: | + Analog Devices Mobile I/O Expander and QWERTY Keypad Controller + https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5588.pdf + +allOf: + - $ref: matrix-keymap.yaml# + - $ref: input.yaml# + +properties: + compatible: + enum: + - adi,adp5587 + - adi,adp5588 + + reg: + maxItems: 1 + + vcc-supply: + description: Supply Voltage Input + + reset-gpios: + description: + If specified, it will be asserted during driver probe. As the line is + active low, it should be marked GPIO_ACTIVE_LOW. + maxItems: 1 + + interrupts: + maxItems: 1 + + gpio-controller: + description: + This property applies if either keypad,num-rows lower than 8 or + keypad,num-columns lower than 10. + + '#gpio-cells': + const: 2 + + interrupt-controller: + description: + This property applies if either keypad,num-rows lower than 8 or + keypad,num-columns lower than 10. + + '#interrupt-cells': + const: 2 + + adi,unlock-keys: + description: + Specifies a maximum of 2 keys that can be used to unlock the keypad. + If this property is set, the keyboard will be locked and only unlocked + after these keys are pressed. If only one key is set, a double click is + needed to unlock the keypad. The value of this property cannot be bigger + or equal than keypad,num-rows * keypad,num-columns. + $ref: /schemas/types.yaml#/definitions/uint32-array + minItems: 1 + maxItems: 2 + +required: + - compatible + - reg + - interrupts + - keypad,num-rows + - keypad,num-columns + - linux,keymap + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + i2c { + #address-cells = <1>; + #size-cells = <0>; + + keys@34 { + compatible = "adi,adp5588"; + reg = <0x34>; + + vcc-supply = <&vcc>; + interrupts = <21 IRQ_TYPE_EDGE_FALLING>; + interrupt-parent = <&gpio>; + reset-gpios = <&gpio 20 GPIO_ACTIVE_LOW>; + + keypad,num-rows = <1>; + keypad,num-columns = <9>; + linux,keymap = < + MATRIX_KEY(0x00, 0x00, KEY_1) + MATRIX_KEY(0x00, 0x01, KEY_2) + MATRIX_KEY(0x00, 0x02, KEY_3) + MATRIX_KEY(0x00, 0x03, KEY_4) + MATRIX_KEY(0x00, 0x04, KEY_5) + MATRIX_KEY(0x00, 0x05, KEY_6) + MATRIX_KEY(0x00, 0x06, KEY_7) + MATRIX_KEY(0x00, 0x07, KEY_8) + MATRIX_KEY(0x00, 0x08, KEY_9) + >; + }; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 8404c18e6bcf..aa71df8b699b 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -556,6 +556,7 @@ M: Michael Hennerich S: Supported W: http://wiki.analog.com/ADP5588 W: https://ez.analog.com/linux-software-drivers +F: Documentation/devicetree/bindings/input/adi,adp5588.yaml F: drivers/input/keyboard/adp5588-keys.c ADP8860 BACKLIGHT DRIVER (ADP8860/ADP8861/ADP8863) From patchwork Mon Aug 29 13:15:49 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 600948 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 03723C0502C for ; Mon, 29 Aug 2022 14:06:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230144AbiH2OGx (ORCPT ); Mon, 29 Aug 2022 10:06:53 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51604 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230110AbiH2OGx (ORCPT ); Mon, 29 Aug 2022 10:06:53 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6A4BB7E303; Mon, 29 Aug 2022 07:06:52 -0700 (PDT) Received: from pps.filterd (m0167088.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TBH5qS015062; Mon, 29 Aug 2022 09:15:10 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7d4843a3-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:10 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDF9RR019116 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:09 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:08 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:08 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiQ026449; Mon, 29 Aug 2022 09:15:01 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 06/10] input: keyboard: adp5588-keys: do not check for irq presence Date: Mon, 29 Aug 2022 15:15:49 +0200 Message-ID: <20220829131553.690063-7-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: GBjOUMR5HmnNAH9JWEE9i1T_DhgpSvaS X-Proofpoint-ORIG-GUID: GBjOUMR5HmnNAH9JWEE9i1T_DhgpSvaS X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 mlxlogscore=945 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org There's no need for an extra check for 'client-irq'. Just let it fail when calling 'request_irq()'. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 2b00bc0f174c..e716efbb2105 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -727,11 +727,6 @@ static int adp5588_probe(struct i2c_client *client, return -EIO; } - if (!client->irq) { - dev_err(&client->dev, "no IRQ?\n"); - return -EINVAL; - } - kpad = devm_kzalloc(&client->dev, sizeof(*kpad), GFP_KERNEL); if (!kpad) return -ENOMEM; From patchwork Mon Aug 29 13:15:50 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 600946 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 27EE7C0502C for ; Mon, 29 Aug 2022 16:14:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230240AbiH2QOM (ORCPT ); Mon, 29 Aug 2022 12:14:12 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34274 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230000AbiH2QOK (ORCPT ); Mon, 29 Aug 2022 12:14:10 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA1B791D1F; Mon, 29 Aug 2022 09:14:09 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27T9r0el025958; Mon, 29 Aug 2022 09:15:12 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7g673cek-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:12 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDFBQR019122 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:11 -0400 Received: from ASHBCASHYB4.ad.analog.com (10.64.17.132) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:10 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBCASHYB4.ad.analog.com (10.64.17.132) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:10 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:10 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiR026449; Mon, 29 Aug 2022 09:15:03 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 07/10] input: keyboard: adp5588-keys: fix coding style warnings Date: Mon, 29 Aug 2022 15:15:50 +0200 Message-ID: <20220829131553.690063-8-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: iTuBsIWWFquh14KQwhUY9XBlKULKyB08 X-Proofpoint-GUID: iTuBsIWWFquh14KQwhUY9XBlKULKyB08 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Just some code cleanup regarding coding style. With the introduction of the bits.h macros changes in the code are indeed introduced. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 98 +++++++++++++-------------- 1 file changed, 48 insertions(+), 50 deletions(-) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index e716efbb2105..3a234ec37fd4 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -8,6 +8,7 @@ * Copyright (C) 2008-2010 Analog Devices Inc. */ +#include #include #include #include @@ -29,16 +30,16 @@ #define CFG 0x01 /* Configuration Register1 */ #define INT_STAT 0x02 /* Interrupt Status Register */ #define KEY_LCK_EC_STAT 0x03 /* Key Lock and Event Counter Register */ -#define Key_EVENTA 0x04 /* Key Event Register A */ -#define Key_EVENTB 0x05 /* Key Event Register B */ -#define Key_EVENTC 0x06 /* Key Event Register C */ -#define Key_EVENTD 0x07 /* Key Event Register D */ -#define Key_EVENTE 0x08 /* Key Event Register E */ -#define Key_EVENTF 0x09 /* Key Event Register F */ -#define Key_EVENTG 0x0A /* Key Event Register G */ -#define Key_EVENTH 0x0B /* Key Event Register H */ -#define Key_EVENTI 0x0C /* Key Event Register I */ -#define Key_EVENTJ 0x0D /* Key Event Register J */ +#define KEY_EVENTA 0x04 /* Key Event Register A */ +#define KEY_EVENTB 0x05 /* Key Event Register B */ +#define KEY_EVENTC 0x06 /* Key Event Register C */ +#define KEY_EVENTD 0x07 /* Key Event Register D */ +#define KEY_EVENTE 0x08 /* Key Event Register E */ +#define KEY_EVENTF 0x09 /* Key Event Register F */ +#define KEY_EVENTG 0x0A /* Key Event Register G */ +#define KEY_EVENTH 0x0B /* Key Event Register H */ +#define KEY_EVENTI 0x0C /* Key Event Register I */ +#define KEY_EVENTJ 0x0D /* Key Event Register J */ #define KP_LCK_TMR 0x0E /* Keypad Lock1 to Lock2 Timer */ #define UNLOCK1 0x0F /* Unlock Key1 */ #define UNLOCK2 0x10 /* Unlock Key2 */ @@ -66,9 +67,9 @@ #define GPIO_INT_LVL1 0x26 /* GPIO Edge/Level Detect */ #define GPIO_INT_LVL2 0x27 /* GPIO Edge/Level Detect */ #define GPIO_INT_LVL3 0x28 /* GPIO Edge/Level Detect */ -#define Debounce_DIS1 0x29 /* Debounce Disable */ -#define Debounce_DIS2 0x2A /* Debounce Disable */ -#define Debounce_DIS3 0x2B /* Debounce Disable */ +#define DEBOUNCE_DIS1 0x29 /* Debounce Disable */ +#define DEBOUNCE_DIS2 0x2A /* Debounce Disable */ +#define DEBOUNCE_DIS3 0x2B /* Debounce Disable */ #define GPIO_PULL1 0x2C /* GPIO Pull Disable */ #define GPIO_PULL2 0x2D /* GPIO Pull Disable */ #define GPIO_PULL3 0x2E /* GPIO Pull Disable */ @@ -91,27 +92,27 @@ #define ADP5588_DEVICE_ID_MASK 0xF /* Configuration Register1 */ -#define ADP5588_AUTO_INC (1 << 7) -#define ADP5588_GPIEM_CFG (1 << 6) -#define ADP5588_OVR_FLOW_M (1 << 5) -#define ADP5588_INT_CFG (1 << 4) -#define ADP5588_OVR_FLOW_IEN (1 << 3) -#define ADP5588_K_LCK_IM (1 << 2) -#define ADP5588_GPI_IEN (1 << 1) -#define ADP5588_KE_IEN (1 << 0) +#define ADP5588_AUTO_INC BIT(7) +#define ADP5588_GPIEM_CFG BIT(6) +#define ADP5588_OVR_FLOW_M BIT(5) +#define ADP5588_INT_CFG BIT(4) +#define ADP5588_OVR_FLOW_IEN BIT(3) +#define ADP5588_K_LCK_IM BIT(2) +#define ADP5588_GPI_IEN BIT(1) +#define ADP5588_KE_IEN BIT(0) /* Interrupt Status Register */ -#define ADP5588_CMP2_INT (1 << 5) -#define ADP5588_CMP1_INT (1 << 4) -#define ADP5588_OVR_FLOW_INT (1 << 3) -#define ADP5588_K_LCK_INT (1 << 2) -#define ADP5588_GPI_INT (1 << 1) -#define ADP5588_KE_INT (1 << 0) +#define ADP5588_CMP2_INT BIT(5) +#define ADP5588_CMP1_INT BIT(4) +#define ADP5588_OVR_FLOW_INT BIT(3) +#define ADP5588_K_LCK_INT BIT(2) +#define ADP5588_GPI_INT BIT(1) +#define ADP5588_KE_INT BIT(0) /* Key Lock and Event Counter Register */ -#define ADP5588_K_LCK_EN (1 << 6) +#define ADP5588_K_LCK_EN BIT(6) #define ADP5588_LCK21 0x30 -#define ADP5588_KEC 0xF +#define ADP5588_KEC GENMASK(3, 0) #define ADP5588_MAXGPIO 18 #define ADP5588_BANK(offs) ((offs) >> 3) @@ -158,10 +159,10 @@ #define ADP5588_GPIMAPSIZE_MAX (GPI_PIN_END - GPI_PIN_BASE + 1) /* Key Event Register xy */ -#define KEY_EV_PRESSED (1 << 7) -#define KEY_EV_MASK (0x7F) +#define KEY_EV_PRESSED BIT(7) +#define KEY_EV_MASK GENMASK(6, 0) -#define KP_SEL(x) (0xFFFF >> (16 - x)) /* 2^x-1 */ +#define KP_SEL(x) (BIT(x) - 1) /* 2^x-1 */ #define KEYP_MAX_EVENT 10 @@ -211,7 +212,7 @@ static int adp5588_write(struct i2c_client *client, u8 reg, u8 val) return i2c_smbus_write_byte_data(client, reg, val); } -static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) +static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned int off) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); @@ -231,7 +232,7 @@ static int adp5588_gpio_get_value(struct gpio_chip *chip, unsigned off) } static void adp5588_gpio_set_value(struct gpio_chip *chip, - unsigned off, int val) + unsigned int off, int val) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); @@ -244,8 +245,7 @@ static void adp5588_gpio_set_value(struct gpio_chip *chip, else kpad->dat_out[bank] &= ~bit; - adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, - kpad->dat_out[bank]); + adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, kpad->dat_out[bank]); mutex_unlock(&kpad->gpio_lock); } @@ -284,7 +284,7 @@ static int adp5588_gpio_set_config(struct gpio_chip *chip, unsigned int off, return ret; } -static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) +static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned int off) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); @@ -302,7 +302,7 @@ static int adp5588_gpio_direction_input(struct gpio_chip *chip, unsigned off) } static int adp5588_gpio_direction_output(struct gpio_chip *chip, - unsigned off, int val) + unsigned int off, int val) { struct adp5588_kpad *kpad = gpiochip_get_data(chip); unsigned int bank = ADP5588_BANK(kpad->gpiomap[off]); @@ -319,12 +319,11 @@ static int adp5588_gpio_direction_output(struct gpio_chip *chip, kpad->dat_out[bank] &= ~bit; ret = adp5588_write(kpad->client, GPIO_DAT_OUT1 + bank, - kpad->dat_out[bank]); + kpad->dat_out[bank]); if (ret) goto out_unlock; - ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, - kpad->dir[bank]); + ret = adp5588_write(kpad->client, GPIO_DIR1 + bank, kpad->dir[bank]); out_unlock: mutex_unlock(&kpad->gpio_lock); @@ -524,7 +523,7 @@ static void adp5588_report_events(struct adp5588_kpad *kpad, int ev_cnt) int i; for (i = 0; i < ev_cnt; i++) { - int key = adp5588_read(kpad->client, Key_EVENTA + i); + int key = adp5588_read(kpad->client, KEY_EVENTA + i); int key_val = key & KEY_EV_MASK; int key_press = key & KEY_EV_PRESSED; @@ -624,21 +623,20 @@ static int adp5588_setup(struct adp5588_kpad *kpad) } for (i = 0; i < KEYP_MAX_EVENT; i++) { - ret = adp5588_read(client, Key_EVENTA); + ret = adp5588_read(client, KEY_EVENTA); if (ret) return ret; } ret = adp5588_write(client, INT_STAT, - ADP5588_CMP2_INT | ADP5588_CMP1_INT | - ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | - ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */ + ADP5588_CMP2_INT | ADP5588_CMP1_INT | + ADP5588_OVR_FLOW_INT | ADP5588_K_LCK_INT | + ADP5588_GPI_INT | ADP5588_KE_INT); /* Status is W1C */ if (ret) return ret; return adp5588_write(client, CFG, ADP5588_INT_CFG | - ADP5588_OVR_FLOW_IEN | - ADP5588_KE_IEN); + ADP5588_OVR_FLOW_IEN | ADP5588_KE_IEN); } static int adp5588_fw_parse(struct adp5588_kpad *kpad) @@ -722,7 +720,7 @@ static int adp5588_probe(struct i2c_client *client, int error; if (!i2c_check_functionality(client->adapter, - I2C_FUNC_SMBUS_BYTE_DATA)) { + I2C_FUNC_SMBUS_BYTE_DATA)) { dev_err(&client->dev, "SMBUS Byte Data not Supported\n"); return -EIO; } @@ -746,7 +744,7 @@ static int adp5588_probe(struct i2c_client *client, if (ret < 0) return ret; - revid = (u8) ret & ADP5588_DEVICE_ID_MASK; + revid = ret & ADP5588_DEVICE_ID_MASK; if (WA_DELAYED_READOUT_REVID(revid)) kpad->delay = msecs_to_jiffies(WA_DELAYED_READOUT_TIME); From patchwork Mon Aug 29 13:15:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 601298 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1A12DECAAD2 for ; Mon, 29 Aug 2022 13:17:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229725AbiH2NRy (ORCPT ); Mon, 29 Aug 2022 09:17:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33696 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229757AbiH2NRM (ORCPT ); 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Mon, 29 Aug 2022 09:15:11 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:11 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiS026449; Mon, 29 Aug 2022 09:15:05 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 08/10] input: keyboard: adp5588-keys: add optional reset gpio Date: Mon, 29 Aug 2022 15:15:51 +0200 Message-ID: <20220829131553.690063-9-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-GUID: Yr-eSYquuVgF2olYoJR0GRoZ-Gi9MjkI X-Proofpoint-ORIG-GUID: Yr-eSYquuVgF2olYoJR0GRoZ-Gi9MjkI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 spamscore=0 impostorscore=0 priorityscore=1501 bulkscore=0 clxscore=1015 malwarescore=0 lowpriorityscore=0 mlxlogscore=999 mlxscore=0 adultscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Optionally reset the device during probe. Signed-off-by: Nuno Sá Reviewed-by: Linus Walleij Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 3a234ec37fd4..b2bb7c6702e1 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -11,6 +11,7 @@ #include #include #include +#include #include #include #include @@ -715,6 +716,7 @@ static int adp5588_probe(struct i2c_client *client, { struct adp5588_kpad *kpad; struct input_dev *input; + struct gpio_desc *gpio; unsigned int revid; int ret; int error; @@ -740,6 +742,16 @@ static int adp5588_probe(struct i2c_client *client, if (error) return error; + gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(gpio)) + return PTR_ERR(gpio); + + if (gpio) { + fsleep(30); + gpiod_set_value_cansleep(gpio, 0); + fsleep(60); + } + ret = adp5588_read(client, DEV_ID); if (ret < 0) return ret; From patchwork Mon Aug 29 13:15:52 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 601300 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D2695ECAAD4 for ; Mon, 29 Aug 2022 13:17:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229889AbiH2NRu (ORCPT ); Mon, 29 Aug 2022 09:17:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37332 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229996AbiH2NRJ (ORCPT ); Mon, 29 Aug 2022 09:17:09 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5E611760D5; Mon, 29 Aug 2022 06:16:39 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TDCjKr025947; Mon, 29 Aug 2022 09:15:16 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7g673cex-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:16 -0400 Received: from ASHBMBX9.ad.analog.com (ASHBMBX9.ad.analog.com [10.64.17.10]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDFEYo019143 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:14 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:13 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:13 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiT026449; Mon, 29 Aug 2022 09:15:07 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 09/10] input: keyboard: adp5588-keys: add regulator support Date: Mon, 29 Aug 2022 15:15:52 +0200 Message-ID: <20220829131553.690063-10-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: clsoeNKjQ21THGFVUMapKnKaSDBEQI4m X-Proofpoint-GUID: clsoeNKjQ21THGFVUMapKnKaSDBEQI4m X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Support feeding VCC through a regulator. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index b2bb7c6702e1..0e6f4a47bb9c 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -24,6 +24,7 @@ #include #include #include +#include #include #include @@ -711,12 +712,18 @@ static int adp5588_fw_parse(struct adp5588_kpad *kpad) return 0; } +static void adp5588_disable_regulator(void *reg) +{ + regulator_disable(reg); +} + static int adp5588_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct adp5588_kpad *kpad; struct input_dev *input; struct gpio_desc *gpio; + struct regulator *vcc; unsigned int revid; int ret; int error; @@ -742,6 +749,18 @@ static int adp5588_probe(struct i2c_client *client, if (error) return error; + vcc = devm_regulator_get(&client->dev, "vcc"); + if (IS_ERR(vcc)) + return PTR_ERR(vcc); + + ret = regulator_enable(vcc); + if (ret) + return ret; + + ret = devm_add_action_or_reset(&client->dev, adp5588_disable_regulator, vcc); + if (ret) + return ret; + gpio = devm_gpiod_get_optional(&client->dev, "reset", GPIOD_OUT_HIGH); if (IS_ERR(gpio)) return PTR_ERR(gpio); From patchwork Mon Aug 29 13:15:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Nuno Sa X-Patchwork-Id: 600951 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D0735C0502C for ; Mon, 29 Aug 2022 13:18:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229559AbiH2NSE (ORCPT ); Mon, 29 Aug 2022 09:18:04 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33740 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230142AbiH2NRQ (ORCPT ); Mon, 29 Aug 2022 09:17:16 -0400 Received: from mx0a-00128a01.pphosted.com (mx0a-00128a01.pphosted.com [148.163.135.77]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C778A1C939; Mon, 29 Aug 2022 06:16:42 -0700 (PDT) Received: from pps.filterd (m0167089.ppops.net [127.0.0.1]) by mx0a-00128a01.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 27TCgHnP025952; Mon, 29 Aug 2022 09:15:17 -0400 Received: from nwd2mta4.analog.com ([137.71.173.58]) by mx0a-00128a01.pphosted.com (PPS) with ESMTPS id 3j7g673cf5-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Mon, 29 Aug 2022 09:15:17 -0400 Received: from ASHBMBX8.ad.analog.com (ASHBMBX8.ad.analog.com [10.64.17.5]) by nwd2mta4.analog.com (8.14.7/8.14.7) with ESMTP id 27TDFGck019146 (version=TLSv1/SSLv3 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=FAIL); Mon, 29 Aug 2022 09:15:16 -0400 Received: from ASHBMBX9.ad.analog.com (10.64.17.10) by ASHBMBX8.ad.analog.com (10.64.17.5) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.14; Mon, 29 Aug 2022 09:15:15 -0400 Received: from zeus.spd.analog.com (10.66.68.11) by ashbmbx9.ad.analog.com (10.64.17.10) with Microsoft SMTP Server id 15.2.986.14 via Frontend Transport; Mon, 29 Aug 2022 09:15:15 -0400 Received: from nsa.ad.analog.com ([10.44.3.68]) by zeus.spd.analog.com (8.15.1/8.15.1) with ESMTP id 27TDEeiU026449; Mon, 29 Aug 2022 09:15:08 -0400 From: =?utf-8?q?Nuno_S=C3=A1?= To: , Bartosz Golaszewski , Dmitry Torokhov , , , Linus Walleij , , =?utf-8?q?Nuno_S=C3=A1?= CC: Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Michael Hennerich Subject: [PATCH v4 10/10] input: keyboard: adp5588-keys: Use new PM macros Date: Mon, 29 Aug 2022 15:15:53 +0200 Message-ID: <20220829131553.690063-11-nuno.sa@analog.com> X-Mailer: git-send-email 2.37.2 In-Reply-To: <20220829131553.690063-1-nuno.sa@analog.com> References: <20220829131553.690063-1-nuno.sa@analog.com> MIME-Version: 1.0 X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-ORIG-GUID: HzHZf3F1q6vI2raEM49qHnp9POj5dtts X-Proofpoint-GUID: HzHZf3F1q6vI2raEM49qHnp9POj5dtts X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.895,Hydra:6.0.517,FMLib:17.11.122.1 definitions=2022-08-29_07,2022-08-25_01,2022-06-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 mlxlogscore=999 malwarescore=0 impostorscore=0 mlxscore=0 adultscore=0 bulkscore=0 suspectscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2207270000 definitions=main-2208290061 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org With the new PM macros (DEFINE_SIMPLE_DEV_PM_OPS() and pm_sleep_ptr()), the compiler has visibility to see that the functions are not used when !CONFIG_PM and hence, remove the dead code. As such, there's no need for '__maybe_unused'. Signed-off-by: Nuno Sá Reviewed-by: Andy Shevchenko --- drivers/input/keyboard/adp5588-keys.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 0e6f4a47bb9c..7cb120ad3a68 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -825,7 +825,7 @@ static void adp5588_remove(struct i2c_client *client) /* all resources will be freed by devm */ } -static int __maybe_unused adp5588_suspend(struct device *dev) +static int adp5588_suspend(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -834,7 +834,7 @@ static int __maybe_unused adp5588_suspend(struct device *dev) return 0; } -static int __maybe_unused adp5588_resume(struct device *dev) +static int adp5588_resume(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -843,7 +843,7 @@ static int __maybe_unused adp5588_resume(struct device *dev) return 0; } -static SIMPLE_DEV_PM_OPS(adp5588_dev_pm_ops, adp5588_suspend, adp5588_resume); +static DEFINE_SIMPLE_DEV_PM_OPS(adp5588_dev_pm_ops, adp5588_suspend, adp5588_resume); static const struct i2c_device_id adp5588_id[] = { { "adp5588-keys", 0 }, @@ -863,7 +863,7 @@ static struct i2c_driver adp5588_driver = { .driver = { .name = KBUILD_MODNAME, .of_match_table = adp5588_of_match, - .pm = &adp5588_dev_pm_ops, + .pm = pm_sleep_ptr(&adp5588_dev_pm_ops), }, .probe = adp5588_probe, .remove = adp5588_remove,