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Thu, 15 Sep 2022 06:48:09 -0500 Received: from xhdshubhraj40.xilinx.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server id 15.1.2375.28 via Frontend Transport; Thu, 15 Sep 2022 06:48:07 -0500 From: Shubhrajyoti Datta To: CC: , , , , , Subject: [PATCH v2 1/2] dt-bindings: gpio: pca9570: Add compatible for slg7xl45106 Date: Thu, 15 Sep 2022 17:18:02 +0530 Message-ID: <20220915114803.26185-2-shubhrajyoti.datta@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220915114803.26185-1-shubhrajyoti.datta@amd.com> References: <20220915114803.26185-1-shubhrajyoti.datta@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6NAM11FT052:EE_|MN2PR12MB4303:EE_ X-MS-Office365-Filtering-Correlation-Id: a78b33d4-e63e-4e84-998c-08da97102a58 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Signed-off-by: Shubhrajyoti Datta Acked-by: Krzysztof Kozlowski Reviewed-by: Linus Walleij --- v2: add alphabetically Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml index 1acaa0a3d35a..48bf414aa50e 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml +++ b/Documentation/devicetree/bindings/gpio/gpio-pca9570.yaml @@ -12,6 +12,7 @@ maintainers: properties: compatible: enum: + - dlg,slg7xl45106 - nxp,pca9570 - nxp,pca9571 From patchwork Thu Sep 15 11:48:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shubhrajyoti Datta X-Patchwork-Id: 606339 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 4652BC6FA82 for ; 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Thu, 15 Sep 2022 06:48:10 -0500 From: Shubhrajyoti Datta To: CC: , , , , , Subject: [PATCH v2 2/2] gpio: pca9570: add slg7xl45106 support Date: Thu, 15 Sep 2022 17:18:03 +0530 Message-ID: <20220915114803.26185-3-shubhrajyoti.datta@amd.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220915114803.26185-1-shubhrajyoti.datta@amd.com> References: <20220915114803.26185-1-shubhrajyoti.datta@amd.com> MIME-Version: 1.0 X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: CO1NAM11FT038:EE_|IA0PR12MB7674:EE_ X-MS-Office365-Filtering-Correlation-Id: d762c580-aad4-41a2-e167-08da97102c86 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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Add a compatible string for the same. Also update the driver to write and read from it. Signed-off-by: Shubhrajyoti Datta --- v2: Use platform data insted of compatible drivers/gpio/gpio-pca9570.c | 39 +++++++++++++++++++++++++++++++++---- 1 file changed, 35 insertions(+), 4 deletions(-) diff --git a/drivers/gpio/gpio-pca9570.c b/drivers/gpio/gpio-pca9570.c index ab2a652964ec..4f255347a62d 100644 --- a/drivers/gpio/gpio-pca9570.c +++ b/drivers/gpio/gpio-pca9570.c @@ -15,6 +15,8 @@ #include #include +#define SLG7XL45106_GPO_REG 0xDB + /** * struct pca9570 - GPIO driver data * @chip: GPIO controller chip @@ -25,6 +27,12 @@ struct pca9570 { struct gpio_chip chip; struct mutex lock; u8 out; + const struct pca9570_platform_data *p_data; +}; + +struct pca9570_platform_data { + u16 ngpio; + u32 command; }; static int pca9570_read(struct pca9570 *gpio, u8 *value) @@ -32,7 +40,11 @@ static int pca9570_read(struct pca9570 *gpio, u8 *value) struct i2c_client *client = to_i2c_client(gpio->chip.parent); int ret; - ret = i2c_smbus_read_byte(client); + if (gpio->p_data->command != 0) + ret = i2c_smbus_read_byte_data(client, gpio->p_data->command); + else + ret = i2c_smbus_read_byte(client); + if (ret < 0) return ret; @@ -44,6 +56,9 @@ static int pca9570_write(struct pca9570 *gpio, u8 value) { struct i2c_client *client = to_i2c_client(gpio->chip.parent); + if (gpio->p_data->command != 0) + return i2c_smbus_write_byte_data(client, gpio->p_data->command, value); + return i2c_smbus_write_byte(client, value); } @@ -106,7 +121,8 @@ static int pca9570_probe(struct i2c_client *client) gpio->chip.get = pca9570_get; gpio->chip.set = pca9570_set; gpio->chip.base = -1; - gpio->chip.ngpio = (uintptr_t)device_get_match_data(&client->dev); + gpio->p_data = device_get_match_data(&client->dev); + gpio->chip.ngpio = gpio->p_data->ngpio; gpio->chip.can_sleep = true; mutex_init(&gpio->lock); @@ -122,13 +138,28 @@ static int pca9570_probe(struct i2c_client *client) static const struct i2c_device_id pca9570_id_table[] = { { "pca9570", 4 }, { "pca9571", 8 }, + { "slg7xl45106", 8 }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, pca9570_id_table); +static const struct pca9570_platform_data pca9570_gpio = { + .ngpio = 4, +}; + +static const struct pca9570_platform_data pca9571_gpio = { + .ngpio = 8, +}; + +static const struct pca9570_platform_data slg7xl45106_gpio = { + .ngpio = 8, + .command = SLG7XL45106_GPO_REG, +}; + static const struct of_device_id pca9570_of_match_table[] = { - { .compatible = "nxp,pca9570", .data = (void *)4 }, - { .compatible = "nxp,pca9571", .data = (void *)8 }, + { .compatible = "dlg,slg7xl45106", .data = &slg7xl45106_gpio}, + { .compatible = "nxp,pca9570", .data = &pca9570_gpio }, + { .compatible = "nxp,pca9571", .data = &pca9571_gpio }, { /* sentinel */ } }; MODULE_DEVICE_TABLE(of, pca9570_of_match_table);