[v2,2/2] leds: add aw20xx driver

Message ID	20230228211046.109693-3-mmkurbanov@sberdevices.ru
State	Superseded
Headers	show Return-Path: <linux-leds-owner@vger.kernel.org> From: Martin Kurbanov <mmkurbanov@sberdevices.ru> To: Pavel Machek <pavel@ucw.cz>, Rob Herring <robh+dt@kernel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Lee Jones <lee@kernel.org>, Andy Shevchenko <andy.shevchenko@gmail.com> CC: <linux-leds@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, <kernel@sberdevices.ru>, Martin Kurbanov <mmkurbanov@sberdevices.ru> Subject: [PATCH v2 2/2] leds: add aw20xx driver Date: Wed, 1 Mar 2023 00:10:46 +0300 Message-ID: <20230228211046.109693-3-mmkurbanov@sberdevices.ru> In-Reply-To: <20230228211046.109693-1-mmkurbanov@sberdevices.ru> References: <20230228211046.109693-1-mmkurbanov@sberdevices.ru> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain bases: 2023/02/28 15:18:00 #20903376 Precedence: bulk
Series	leds: add aw20xx driver \| expand [v2,0/2] leds: add aw20xx driver [v2,1/2] dt-bindings: leds: add binding for aw200xx [v2,2/2] leds: add aw20xx driver

diff --git a/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx b/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx new file mode 100644 index 000000000000..09a8247c0bf7 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-led-driver-aw200xx @@ -0,0 +1,4 @@ +What: /sys/class/leds/<led>/dim +Date: February 2023 +Description: 64-level DIM current. If write negative value or "auto", + the dim will be calculated according to the brightness. diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig index 499d0f215a8b..66e136f43870 100644 --- a/drivers/leds/Kconfig +++ b/drivers/leds/Kconfig @@ -94,6 +94,16 @@ config LEDS_ARIEL Say Y to if your machine is a Dell Wyse 3020 thin client. +config LEDS_AW200XX + tristate "LED support for Awinic AW20036/AW20054/AW20072" + depends on LEDS_CLASS + depends on I2C + help + This option enables support for the AW20036/AW20054/AW20072 LED driver. + It is a 3x12/6x9/6x12 matrix LED driver programmed via + an I2C interface, up to 36/54/72 LEDs or 12/18/24 RGBs, + 3 pattern controllers for auto breathing or group dimming control. + config LEDS_AW2013 tristate "LED support for Awinic AW2013" depends on LEDS_CLASS && I2C && OF diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile index 4fd2f92cd198..f611e48cd3f5 100644 --- a/drivers/leds/Makefile +++ b/drivers/leds/Makefile @@ -15,6 +15,7 @@ obj-$(CONFIG_LEDS_AN30259A) += leds-an30259a.o obj-$(CONFIG_LEDS_APU) += leds-apu.o obj-$(CONFIG_LEDS_ARIEL) += leds-ariel.o obj-$(CONFIG_LEDS_ASIC3) += leds-asic3.o +obj-$(CONFIG_LEDS_AW200XX) += leds-aw200xx.o obj-$(CONFIG_LEDS_AW2013) += leds-aw2013.o obj-$(CONFIG_LEDS_BCM6328) += leds-bcm6328.o obj-$(CONFIG_LEDS_BCM6358) += leds-bcm6358.o diff --git a/drivers/leds/leds-aw200xx.c b/drivers/leds/leds-aw200xx.c new file mode 100644 index 000000000000..dd26993192bc --- /dev/null +++ b/drivers/leds/leds-aw200xx.c @@ -0,0 +1,649 @@ +// SPDX-License-Identifier: GPL-2.0 +/** + * leds-aw200xx.c - Awinic AW20036/AW20054/AW20072 LED driver + * + * Copyright (c) 2023, SberDevices. All Rights Reserved. + * + * Author: Martin Kurbanov <mmkurbanov@sberdevices.ru> + */ + +#include <linux/i2c.h> +#include <linux/leds.h> +#include <linux/module.h> +#include <linux/mod_devicetable.h> +#include <linux/mutex.h> +#include <linux/regmap.h> +#include <linux/bitfield.h> + +#define AW200XX_LEDS_MAX 72 +#define AW200XX_PATTERN_MAX 3 +#define AW200XX_DIM_MAX 0x3F +#define AW200XX_FADE_MAX 0xFF +#define AW200XX_IMAX_DEFAULT_MICROAMP 60000 +#define AW200XX_IMAX_MAX_MICROAMP 160000 +#define AW200XX_IMAX_MIN_MICROAMP 3300 + +/* Page 0 */ +#define AW200XX_REG_PAGE0_BASE 0xc000 + +/* Select page register */ +#define AW200XX_REG_PAGE 0xF0 +#define AW200XX_PAGE_MASK (GENMASK(7, 6) | GENMASK(2, 0)) +#define AW200XX_PAGE_SHIFT 0 +#define AW200XX_NUM_PAGES 6 +#define AW200XX_PAGE_SIZE 256 +#define AW200XX_REG(page, reg) \ + (AW200XX_REG_PAGE0_BASE + ((page) * AW200XX_PAGE_SIZE) + (reg)) +#define AW200XX_REG_MAX \ + AW200XX_REG(AW200XX_NUM_PAGES - 1, AW200XX_PAGE_SIZE - 1) +#define AW200XX_PAGE0 0 +#define AW200XX_PAGE1 1 +#define AW200XX_PAGE2 2 +#define AW200XX_PAGE3 3 +#define AW200XX_PAGE4 4 +#define AW200XX_PAGE5 5 + +/* Chip ID register */ +#define AW200XX_REG_IDR AW200XX_REG(AW200XX_PAGE0, 0x00) +#define AW200XX_IDR_CHIPID 0x18 + +/* Sleep mode register */ +#define AW200XX_REG_SLPCR AW200XX_REG(AW200XX_PAGE0, 0x01) +#define AW200XX_SLPCR_ACTIVE 0x00 + +/* Reset register */ +#define AW200XX_REG_RSTR AW200XX_REG(AW200XX_PAGE0, 0x02) +#define AW200XX_RSTR_RESET 0x01 + +/* Global current configuration register */ +#define AW200XX_REG_GCCR AW200XX_REG(AW200XX_PAGE0, 0x03) +#define AW200XX_GCCR_IMAX_MASK GENMASK(7, 4) +#define AW200XX_GCCR_IMAX(x) ((x) << 4) +#define AW200XX_GCCR_ALLON BIT(3) + +/* Fast clear display control register */ +#define AW200XX_REG_FCD AW200XX_REG(AW200XX_PAGE0, 0x04) +#define AW200XX_FCD_CLEAR 0x01 + +/* Interrupt status register */ +#define AW200XX_REG_ISRFLT AW200XX_REG(AW200XX_PAGE0, 0x0B) +#define AW200XX_ISRFLT_PATIS_MASK GENMASK(6, 4) + +/* Pattern enable control register */ +#define AW200XX_REG_PATCR AW200XX_REG(AW200XX_PAGE0, 0x43) +#define AW200XX_PATCR_PAT_IE_MASK GENMASK(6, 4) +#define AW200XX_PATCR_PAT_IE_ALL AW200XX_PATCR_PAT_IE_MASK +#define AW200XX_PATCR_PAT_ENABLE(x) BIT(x) + +/* + * Maximum breathing level registers + * For patterns 0 - 0x44, 1 - 0x45, 2 - 0x46 (step 1) + */ +#define AW200XX_REG_PAT0_MAX_BREATH AW200XX_REG(AW200XX_PAGE0, 0x44) + +/* + * Minimum breathing level registers + * For patterns 0 - 0x47, 1 - 0x48, 2 - 0x49 (step 1) + */ +#define AW200XX_REG_PAT0_MIN_BREATH AW200XX_REG(AW200XX_PAGE0, 0x47) + +/* + * Template 1 (rise-time) & template 2 (on-time) configuration register + * For patterns 0 - 0x4A, 1 - 0x4E, 2 - 0x52 (step 4) + */ +#define AW200XX_REG_PAT0_T0 AW200XX_REG(AW200XX_PAGE0, 0x4A) + +/* + * Template 3 (fall-time) & template 4 (off-time) configuration register + * For patterns 0 - 0x4B, 1 - 0x4F, 2 - 0x53 (step 4) + */ +#define AW200XX_REG_PAT0_T1 AW200XX_REG(AW200XX_PAGE0, 0x4B) + +/* + * Loop configuration registers: + * loop end point setting (LE) + * loop beginning point setting (LB) + * MSB of loop times (LT) + * For patterns 0 - 0x4C, 1 - 0x50, 2 - 0x54 (step 4) + */ +#define AW200XX_REG_PAT0_T2 AW200XX_REG(AW200XX_PAGE0, 0x4C) +#define AW200XX_REG_PATX_T2(x) (AW200XX_REG_PAT0_T2 + (x)) + +/* + * Loop configuration registers: + * LSB of loop times (LT) + * For patterns 0 - 0x4D, 1 - 0x51, 2 - 0x55 (step 4) + */ +#define AW200XX_REG_PAT0_T3 AW200XX_REG(AW200XX_PAGE0, 0x4D) +#define AW200XX_REG_PATX_T3(x) (AW200XX_REG_PAT0_T3 + (x)) + +#define AW200XX_PAT_T2_LE_MASK GENMASK(7, 6) +#define AW200XX_PAT_T2_LB_MASK GENMASK(5, 4) +#define AW200XX_PAT_T2_LT_MASK GENMASK(3, 0) +#define AW200XX_PAT_T3_LT_MASK 0xFF +#define AW200XX_PAT0_T2_LT_MSB(x) ((x) >> 8) +#define AW200XX_PAT0_T3_LT_LSB(x) ((x) & 0xFF) +#define AW200XX_PAT0_T_LT(msb, lsb) ((msb) << 8 | (lsb)) +#define AW200XX_PAT0_T_LT_MAX 0xFFF + +#define AW200XX_PAT_T_STEP 4 + +#define AW200XX_PAT_T1_T3_MASK 0xF0 +#define AW200XX_PAT_T2_T4_MASK 0x0F +#define AW200XX_TEMPLATE_TIME_MAX 0x0F + +/* + * Pattern mode configuration register + * For patterns 0 - 0x56, 1 - 0x57, 2 - 0x58 (step 1) + */ +#define AW200XX_REG_PAT0_CFG AW200XX_REG(AW200XX_PAGE0, 0x56) +#define AW200XX_PAT_CFG_MODE_MASK BIT(0) +#define AW200XX_PAT_CFG_RAMP_MASK BIT(1) +#define AW200XX_PAT_CFG_SWITCH_MASK BIT(2) + +/* Start pattern register */ +#define AW200XX_REG_PATGO AW200XX_REG(AW200XX_PAGE0, 0x59) +#define AW200XX_PATGO(x) BIT(x) +#define AW200XX_PATGO_RUN(x, run) ((run) << (x)) +#define AW200XX_PATGO_STATE(x) BIT((x) + 4) + +/* Display size configuration */ +#define AW200XX_REG_DSIZE AW200XX_REG(AW200XX_PAGE0, 0x80) +#define AW200XX_DSIZE_COLUMNS_MAX 12 + +#define AW200XX_LED2REG(x, columns) \ + ((x) + (((x) / (columns)) * (AW200XX_DSIZE_COLUMNS_MAX - (columns)))) + +/* Patern selection register*/ +#define AW200XX_REG_PAT_SELECT(x, columns) \ + AW200XX_REG(AW200XX_PAGE3, AW200XX_LED2REG(x, columns)) +#define AW200XX_PATX_SELECT(x) ((x) + 1) + +/* + * DIM current configuration register (page 4). + * The even address for current DIM configuration. + * The odd address for current FADE configuration + */ +#define AW200XX_REG_DIM(x, columns) \ + AW200XX_REG(AW200XX_PAGE4, AW200XX_LED2REG(x, columns) * 2) +#define AW200XX_REG_DIM2FADE(x) ((x) + 1) +#define AW200XX_REG_FADE(x, columns) (AW200XX_REG_DIM(x, columns) + 1) + +/* Duty ratio of display scan (see p.15 of datasheet for formula) */ +#define AW200XX_DUTY_RATIO(rows) \ + (((592UL * 1000000UL) / 600500UL) * (1000UL / (rows)) / 1000UL) + +struct aw200xx_led { + struct aw200xx *chip; + struct led_classdev cdev; + int dim; + u32 num; +}; + +struct aw200xx { + const struct aw200xx_chipdef *cdef; + struct i2c_client *client; + struct regmap *regmap; + struct mutex mutex; + u32 num_leds; + u32 display_rows; + struct aw200xx_led leds[]; +}; + +struct aw200xx_chipdef { + u32 channels; + u32 display_size_rows_max; + u32 display_size_columns; +}; + +static ssize_t aw200xx_dim_show(struct device *dev, + struct device_attribute *devattr, + char *buf) +{ + struct led_classdev *cdev = dev_get_drvdata(dev); + struct aw200xx_led *led = container_of(cdev, struct aw200xx_led, cdev); + int dim = led->dim; + ssize_t ret; + + if (dim < 0) + ret = sysfs_emit(buf, "auto\n"); + else + ret = sysfs_emit(buf, "%d\n", dim); + + return ret; +} + +static ssize_t aw200xx_dim_store(struct device *dev, + struct device_attribute *devattr, + const char *buf, size_t count) +{ + struct led_classdev *cdev = dev_get_drvdata(dev); + struct aw200xx_led *led = container_of(cdev, struct aw200xx_led, cdev); + struct aw200xx *chip = led->chip; + u32 columns = chip->cdef->display_size_columns; + int dim; + ssize_t ret; + + if (sysfs_streq(buf, "auto")) { + dim = -1; + } else { + ret = kstrtoint(buf, 0, &dim); + if (ret < 0 || dim > AW200XX_DIM_MAX) + return -EINVAL; + } + + mutex_lock(&chip->mutex); + + if (dim >= 0) { + ret = regmap_write(chip->regmap, + AW200XX_REG_DIM(led->num, columns), dim); + if (ret) + goto exit; + } + + led->dim = dim; + ret = count; + +exit: + mutex_unlock(&chip->mutex); + return ret; +} +static DEVICE_ATTR(dim, 0644, aw200xx_dim_show, aw200xx_dim_store); + +static struct attribute *dim_attrs[] = { + &dev_attr_dim.attr, + NULL +}; +ATTRIBUTE_GROUPS(dim); + +static int aw200xx_brightness_set(struct led_classdev *cdev, + enum led_brightness brightness) +{ + struct aw200xx_led *led = container_of(cdev, struct aw200xx_led, cdev); + struct aw200xx *chip = led->chip; + int dim; + u32 reg; + int ret; + + mutex_lock(&chip->mutex); + + reg = AW200XX_REG_DIM(led->num, chip->cdef->display_size_columns); + dim = led->dim; + + if (dim < 0) { + dim = brightness / (AW200XX_FADE_MAX / AW200XX_DIM_MAX); + dim = max(dim, 1); + } + + ret = regmap_write(chip->regmap, reg, dim); + if (ret) + goto error; + + ret = regmap_write(chip->regmap, + AW200XX_REG_DIM2FADE(reg), brightness); + +error: + mutex_unlock(&chip->mutex); + + return ret; +} + +static u32 aw200xx_imax_from_global(const struct aw200xx *const chip, + u32 global_imax_microamp) +{ + unsigned long long duty = AW200XX_DUTY_RATIO(chip->display_rows); + + /* The output current of each LED (see p.14 of datasheet for formula) */ + return (duty * global_imax_microamp) / 1000U; +} + +static u32 aw200xx_imax_to_global(const struct aw200xx *const chip, + u32 led_imax_microamp) +{ + u32 duty = AW200XX_DUTY_RATIO(chip->display_rows); + + /* The output current of each LED (see p.14 of datasheet for formula) */ + return (led_imax_microamp * 1000U) / duty; +} + +static int aw200xx_set_imax(const struct aw200xx *const chip, + u32 led_imax_microamp) +{ + struct imax_global { + u32 regval; + u32 microamp; + } imaxs[] = { + { 8, 3300 }, + { 9, 6700 }, + { 0, 10000 }, + { 11, 13300 }, + { 1, 20000 }, + { 13, 26700 }, + { 2, 30000 }, + { 3, 40000 }, + { 15, 53300 }, + { 4, 60000 }, + { 5, 80000 }, + { 6, 120000 }, + { 7, 160000 }, + }; + u32 g_imax_microamp = aw200xx_imax_to_global(chip, led_imax_microamp); + int i; + + for (i = ARRAY_SIZE(imaxs) - 1; i >= 0; i--) { + if (g_imax_microamp >= imaxs[i].microamp) + break; + } + + if (i < 0) + return -EINVAL; + + return regmap_update_bits(chip->regmap, AW200XX_REG_GCCR, + AW200XX_GCCR_IMAX_MASK, + AW200XX_GCCR_IMAX(imaxs[i].regval)); +} + +static int aw200xx_chip_reset(const struct aw200xx *const chip) +{ + int ret; + + ret = regmap_write(chip->regmap, AW200XX_REG_RSTR, AW200XX_RSTR_RESET); + if (ret) + return ret; + + regcache_mark_dirty(chip->regmap); + ret = regmap_write(chip->regmap, AW200XX_REG_FCD, AW200XX_FCD_CLEAR); + + return ret; +} + +static int aw200xx_chip_init(const struct aw200xx *const chip) +{ + int ret; + + ret = regmap_write(chip->regmap, AW200XX_REG_DSIZE, + chip->display_rows - 1); + if (ret) + return ret; + + ret = regmap_write(chip->regmap, AW200XX_REG_SLPCR, + AW200XX_SLPCR_ACTIVE); + if (ret) + return ret; + + ret = regmap_update_bits(chip->regmap, AW200XX_REG_GCCR, + AW200XX_GCCR_ALLON, AW200XX_GCCR_ALLON); + + return ret; +} + +static int aw200xx_chip_check(const struct aw200xx *const chip) +{ + struct device *dev = &chip->client->dev; + u32 chipid; + int ret; + + ret = regmap_read(chip->regmap, AW200XX_REG_IDR, &chipid); + if (ret) + return dev_err_probe(dev, ret, "Failed to read chip ID\n"); + + if (chipid != AW200XX_IDR_CHIPID) + return dev_err_probe(dev, -ENODEV, + "Chip reported wrong ID: %x\n", chipid); + + return 0; +} + +static int aw200xx_probe_dt(struct device *dev, struct aw200xx *chip) +{ + struct fwnode_handle *child; + u32 current_min, current_max, min_microamp; + int ret; + int i = 0; + + ret = device_property_read_u32(dev, "awinic,display-rows", + &chip->display_rows); + if (ret) + return dev_err_probe(dev, ret, + "Failed to read 'display-rows' property\n"); + + if (!chip->display_rows || + chip->display_rows > chip->cdef->display_size_rows_max) { + return dev_err_probe(dev, ret, + "Invalid leds display size %u\n", + chip->display_rows); + } + + current_max = aw200xx_imax_from_global(chip, AW200XX_IMAX_MAX_MICROAMP); + current_min = aw200xx_imax_from_global(chip, AW200XX_IMAX_MIN_MICROAMP); + min_microamp = UINT_MAX; + + device_for_each_child_node(dev, child) { + struct led_init_data init_data = {}; + struct aw200xx_led *led; + u32 source, imax; + + ret = fwnode_property_read_u32(child, "reg", &source); + if (ret) { + dev_err(dev, "Missing reg property\n"); + chip->num_leds--; + continue; + } + + if (source >= chip->cdef->channels) { + dev_err(dev, "LED reg %u out of range (max %u)\n", + source, chip->cdef->channels); + chip->num_leds--; + continue; + } + + ret = fwnode_property_read_u32(child, "led-max-microamp", + &imax); + if (ret) { + dev_info(&chip->client->dev, + "DT property led-max-microamp is missing\n"); + } else if (imax < current_min || imax > current_max) { + dev_err(dev, "Invalid value %u for led-max-microamp\n", + imax); + chip->num_leds--; + continue; + } else { + min_microamp = min(min_microamp, imax); + } + + led = &chip->leds[i]; + led->dim = -1; + led->num = source; + led->chip = chip; + led->cdev.brightness_set_blocking = aw200xx_brightness_set; + led->cdev.groups = dim_groups; + init_data.fwnode = child; + + ret = devm_led_classdev_register_ext(dev, &led->cdev, + &init_data); + if (ret) { + fwnode_handle_put(child); + break; + } + + i++; + } + + if (!chip->num_leds) + return -EINVAL; + + if (min_microamp == UINT_MAX) { + min_microamp = + aw200xx_imax_from_global(chip, + AW200XX_IMAX_DEFAULT_MICROAMP); + } + + ret = aw200xx_set_imax(chip, min_microamp); + + return ret; +} + +static const struct regmap_range_cfg aw200xx_ranges[] = { + { + .name = "aw200xx", + .range_min = 0, + .range_max = AW200XX_REG_MAX, + .selector_reg = AW200XX_REG_PAGE, + .selector_mask = AW200XX_PAGE_MASK, + .selector_shift = AW200XX_PAGE_SHIFT, + .window_start = 0, + .window_len = AW200XX_PAGE_SIZE, + }, +}; + +static const struct regmap_range aw200xx_writeonly_ranges[] = { + regmap_reg_range(AW200XX_REG(AW200XX_PAGE1, 0x00), AW200XX_REG_MAX), +}; + +static const struct regmap_access_table aw200xx_readable_table = { + .no_ranges = aw200xx_writeonly_ranges, + .n_no_ranges = ARRAY_SIZE(aw200xx_writeonly_ranges), +}; + +static const struct regmap_range aw200xx_readonly_ranges[] = { + regmap_reg_range(AW200XX_REG_IDR, AW200XX_REG_IDR), + regmap_reg_range(AW200XX_REG_ISRFLT, AW200XX_REG_ISRFLT), +}; + +static const struct regmap_access_table aw200xx_writeable_table = { + .no_ranges = aw200xx_readonly_ranges, + .n_no_ranges = ARRAY_SIZE(aw200xx_readonly_ranges), +}; + +static const struct regmap_range aw200xx_volatile_registers[] = { + regmap_reg_range(AW200XX_REG_ISRFLT, AW200XX_REG_ISRFLT), +}; + +static const struct regmap_access_table aw200xx_volatile_table = { + .yes_ranges = aw200xx_volatile_registers, + .n_yes_ranges = ARRAY_SIZE(aw200xx_volatile_registers), +}; + +static const struct regmap_config aw200xx_regmap_config = { + .reg_bits = 8, + .val_bits = 8, + .max_register = AW200XX_REG_MAX, + .ranges = aw200xx_ranges, + .num_ranges = ARRAY_SIZE(aw200xx_ranges), + .rd_table = &aw200xx_readable_table, + .wr_table = &aw200xx_writeable_table, + .volatile_table = &aw200xx_volatile_table, + .cache_type = REGCACHE_RBTREE, +}; + +static int aw200xx_probe(struct i2c_client *client) +{ + const struct aw200xx_chipdef *cdef; + struct aw200xx *chip; + int count; + int ret; + + cdef = device_get_match_data(&client->dev); + + count = device_get_child_node_count(&client->dev); + if (!count || count > cdef->channels) + return dev_err_probe(&client->dev, -EINVAL, + "Incorrect number of leds (%d)", count); + + chip = devm_kzalloc(&client->dev, + struct_size(chip, leds, count), + GFP_KERNEL); + if (!chip) + return -ENOMEM; + + chip->cdef = cdef; + chip->num_leds = count; + chip->client = client; + i2c_set_clientdata(client, chip); + + chip->regmap = devm_regmap_init_i2c(client, &aw200xx_regmap_config); + if (IS_ERR(chip->regmap)) + return PTR_ERR(chip->regmap); + + ret = aw200xx_chip_check(chip); + if (ret) + return ret; + + mutex_init(&chip->mutex); + + /* Need a lock now since after call aw200xx_probe_dt, sysfs nodes created */ + mutex_lock(&chip->mutex); + + ret = aw200xx_probe_dt(&client->dev, chip); + if (ret < 0) + goto exit; + + ret = aw200xx_chip_reset(chip); + if (ret) + goto exit; + + ret = aw200xx_chip_init(chip); + +exit: + mutex_unlock(&chip->mutex); + return ret; +} + +static void aw200xx_remove(struct i2c_client *client) +{ + struct aw200xx *chip = i2c_get_clientdata(client); + + aw200xx_chip_reset(chip); + mutex_destroy(&chip->mutex); +} + +static const struct aw200xx_chipdef aw20036_cdef = { + .channels = 36, + .display_size_rows_max = 3, + .display_size_columns = 12, +}; + +static const struct aw200xx_chipdef aw20054_cdef = { + .channels = 54, + .display_size_rows_max = 6, + .display_size_columns = 9, +}; + +static const struct aw200xx_chipdef aw20072_cdef = { + .channels = 72, + .display_size_rows_max = 6, + .display_size_columns = 12, +}; + +static const struct i2c_device_id aw200xx_id[] = { + { "aw20036" }, + { "aw20054" }, + { "aw20072" }, + {} +}; +MODULE_DEVICE_TABLE(i2c, aw200xx_id); + +static const struct of_device_id __maybe_unused aw200xx_match_table[] = { + { .compatible = "awinic,aw20036", .data = &aw20036_cdef, }, + { .compatible = "awinic,aw20054", .data = &aw20054_cdef, }, + { .compatible = "awinic,aw20072", .data = &aw20072_cdef, }, + {}, +}; +MODULE_DEVICE_TABLE(of, aw200xx_match_table); + +static struct i2c_driver aw200xx_driver = { + .driver = { + .name = "aw200xx", + .of_match_table = of_match_ptr(aw200xx_match_table), + }, + .probe_new = aw200xx_probe, + .remove = aw200xx_remove, + .id_table = aw200xx_id, +}; + +module_i2c_driver(aw200xx_driver); + +MODULE_AUTHOR("Martin Kurbanov <mmkurbanov@sberdevices.ru>"); +MODULE_DESCRIPTION("AW200XX LED driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:leds-aw200xx");

[v2,2/2] leds: add aw20xx driver

Commit Message

Comments

Patch