This patch adds device driver of Richtek RT5033 PMIC.
The driver supports a current regulated output to drive white LEDs.

Signed-off-by: Ingi Kim <ingi2....@samsung.com>
---
 drivers/leds/Kconfig               |   8 +
 drivers/leds/Makefile              |   1 +
 drivers/leds/leds-rt5033.c         | 502 +++++++++++++++++++++++++++++++++++++
 include/linux/mfd/rt5033-private.h |  51 ++++
 4 files changed, 562 insertions(+)
 create mode 100644 drivers/leds/leds-rt5033.c

diff --git a/drivers/leds/Kconfig b/drivers/leds/Kconfig
index 42990f2..29613e3 100644
--- a/drivers/leds/Kconfig
+++ b/drivers/leds/Kconfig
@@ -345,6 +345,14 @@ config LEDS_PCA963X
          LED driver chip accessed via the I2C bus. Supported
          devices include PCA9633 and PCA9634
 
+config LEDS_RT5033
+       tristate "LED support for RT5033 PMIC"
+       depends on LEDS_CLASS_FLASH && OF
+       depends on MFD_RT5033
+       help
+         This option enables support for on-chip LED driver on
+         RT5033 PMIC.
+
 config LEDS_WM831X_STATUS
        tristate "LED support for status LEDs on WM831x PMICs"
        depends on LEDS_CLASS
diff --git a/drivers/leds/Makefile b/drivers/leds/Makefile
index b503f92..bcc4d93 100644
--- a/drivers/leds/Makefile
+++ b/drivers/leds/Makefile
@@ -23,6 +23,7 @@ obj-$(CONFIG_LEDS_COBALT_QUBE)                += 
leds-cobalt-qube.o
 obj-$(CONFIG_LEDS_COBALT_RAQ)          += leds-cobalt-raq.o
 obj-$(CONFIG_LEDS_SUNFIRE)             += leds-sunfire.o
 obj-$(CONFIG_LEDS_PCA9532)             += leds-pca9532.o
+obj-$(CONFIG_LEDS_RT5033)              += leds-rt5033.o
 obj-$(CONFIG_LEDS_GPIO_REGISTER)       += leds-gpio-register.o
 obj-$(CONFIG_LEDS_GPIO)                        += leds-gpio.o
 obj-$(CONFIG_LEDS_LP3944)              += leds-lp3944.o
diff --git a/drivers/leds/leds-rt5033.c b/drivers/leds/leds-rt5033.c
new file mode 100644
index 0000000..eb89731
--- /dev/null
+++ b/drivers/leds/leds-rt5033.c
@@ -0,0 +1,502 @@
+/*
+ * led driver for RT5033
+ *
+ * Copyright (C) 2015 Samsung Electronics, Co., Ltd.
+ * Ingi Kim <ingi2....@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <linux/led-class-flash.h>
+#include <linux/mfd/rt5033.h>
+#include <linux/mfd/rt5033-private.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/workqueue.h>
+
+#define RT5033_LED_FLASH_TIMEOUT_MIN           64000
+#define RT5033_LED_FLASH_TIMEOUT_STEP          32000
+#define RT5033_LED_FLASH_BRIGHTNESS_MIN                50000
+#define RT5033_LED_FLASH_BRIGHTNESS_MAX_1CH    600000
+#define RT5033_LED_FLASH_BRIGHTNESS_MAX_2CH    800000
+#define RT5033_LED_FLASH_BRIGHTNESS_STEP       25000
+#define RT5033_LED_TORCH_BRIGHTNESS_MIN                12500
+#define RT5033_LED_TORCH_BRIGHTNESS_STEP       12500
+
+/* Macro to get offset of rt5033_led_config_data */
+#define RT5033_LED_CONFIG_DATA_OFFSET(val, step, min)  (((val) - (min)) \
+                                                       / (step))
+#define MIN(a, b)              ((a) > (b) ? (b) : (a))
+#define FLED1_IOUT             (BIT(0))
+#define FLED2_IOUT             (BIT(1))
+
+enum rt5033_fled {
+       FLED1,
+       FLED2,
+};
+
+struct rt5033_sub_led {
+       enum rt5033_fled fled_id;
+       struct led_classdev_flash fled_cdev;
+       struct work_struct work_brightness_set;
+
+       u32 torch_brightness;
+       u32 flash_brightness;
+       u32 flash_timeout;
+};
+
+/* RT5033 Flash led platform data */
+struct rt5033_led {
+       struct device *dev;
+       struct mutex lock;
+       struct regmap *regmap;
+       struct rt5033_sub_led sub_leds[2];
+
+       u32 iout_torch_max[2];
+       u32 iout_flash_max[2];
+       u8 fled_mask;
+
+       /* arrangement of current outputs */
+       bool iout_joint;
+};
+
+struct rt5033_led_config_data {
+       const char *label[2];
+       u32 flash_max_microamp[2];
+       u32 flash_max_timeout[2];
+       u32 torch_max_microamp[2];
+       u32 num_leds;
+};
+
+static struct rt5033_sub_led *flcdev_to_sub_led(
+                                       struct led_classdev_flash *fled_cdev)
+{
+       return container_of(fled_cdev, struct rt5033_sub_led, fled_cdev);
+}
+
+static struct rt5033_led *sub_led_to_led(struct rt5033_sub_led *sub_led)
+{
+       return container_of(sub_led, struct rt5033_led,
+                           sub_leds[sub_led->fled_id]);
+}
+
+static int rt5033_fled_used(struct rt5033_led *led, enum rt5033_fled fled_id)
+{
+       u8 fled_bit = (fled_id == FLED1) ? FLED1_IOUT : FLED2_IOUT;
+
+       return led->fled_mask & fled_bit;
+}
+
+static void __rt5033_led_brightness_set(struct rt5033_led *led,
+                                       enum rt5033_fled fled_id,
+                                       enum led_brightness brightness)
+{
+       unsigned int val;
+
+       mutex_lock(&led->lock);
+
+       if (!brightness) {
+               regmap_read(led->regmap, RT5033_REG_FLED_FUNCTION1, &val);
+               val &= ~(rt5033_fled_used(led, fled_id));
+               regmap_write(led->regmap, RT5033_REG_FLED_FUNCTION1, val);
+       } else {
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION1,
+                                  RT5033_FLED_FUNC1_MASK, RT5033_FLED_PINCTRL |
+                                  rt5033_fled_used(led, fled_id));
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_CTRL1,
+                                  RT5033_FLED_CTRL1_MASK,
+                                  (brightness - 1) << 4);
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION2,
+                                  RT5033_FLED_FUNC2_MASK, RT5033_FLED_ENFLED);
+       }
+
+       mutex_unlock(&led->lock);
+}
+
+static void rt5033_led_brightness_set_work(struct work_struct *work)
+{
+       struct rt5033_sub_led *sub_led =
+               container_of(work, struct rt5033_sub_led, work_brightness_set);
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+
+       __rt5033_led_brightness_set(led, sub_led->fled_id,
+                                   sub_led->torch_brightness);
+}
+
+static void rt5033_led_brightness_set(struct led_classdev *led_cdev,
+                                     enum led_brightness brightness)
+{
+       struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
+       struct rt5033_sub_led *sub_led = flcdev_to_sub_led(fled_cdev);
+
+       sub_led->torch_brightness = brightness;
+       schedule_work(&sub_led->work_brightness_set);
+}
+
+static int rt5033_led_brightness_set_sync(struct led_classdev *led_cdev,
+                                         enum led_brightness brightness)
+{
+       struct led_classdev_flash *fled_cdev = lcdev_to_flcdev(led_cdev);
+       struct rt5033_sub_led *sub_led = flcdev_to_sub_led(fled_cdev);
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+
+       __rt5033_led_brightness_set(led, sub_led->fled_id, brightness);
+
+       return 0;
+}
+
+static int rt5033_led_flash_brightness_set(struct led_classdev_flash 
*fled_cdev,
+                                          u32 brightness)
+{
+       struct rt5033_sub_led *sub_led = flcdev_to_sub_led(fled_cdev);
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+       u32 flash_brightness_offset;
+
+       mutex_lock(&led->lock);
+
+       flash_brightness_offset =
+               RT5033_LED_CONFIG_DATA_OFFSET(fled_cdev->brightness.val,
+                                             fled_cdev->brightness.step,
+                                             fled_cdev->brightness.min);
+       sub_led->flash_brightness = flash_brightness_offset;
+
+       mutex_unlock(&led->lock);
+
+       return 0;
+}
+
+static int rt5033_led_flash_timeout_set(struct led_classdev_flash *fled_cdev,
+                                       u32 timeout)
+{
+       struct rt5033_sub_led *sub_led = flcdev_to_sub_led(fled_cdev);
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+       u32 flash_tm_offset;
+
+       mutex_lock(&led->lock);
+
+       flash_tm_offset =
+               RT5033_LED_CONFIG_DATA_OFFSET(fled_cdev->timeout.val,
+                                             fled_cdev->timeout.step,
+                                             fled_cdev->timeout.min);
+       sub_led->flash_timeout = flash_tm_offset;
+
+       mutex_unlock(&led->lock);
+
+       return 0;
+}
+
+static int rt5033_led_flash_strobe_set(struct led_classdev_flash *fled_cdev,
+                                      bool state)
+{
+       struct rt5033_sub_led *sub_led = flcdev_to_sub_led(fled_cdev);
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+       enum rt5033_fled fled_id = sub_led->fled_id;
+       unsigned int val;
+
+       regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION2,
+                          RT5033_FLED_FUNC2_MASK, 0x0);
+       if (state) {
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_STROBE_CTRL2,
+                                  RT5033_FLED_STRBCTRL2_MASK,
+                                  sub_led->flash_timeout);
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_STROBE_CTRL1,
+                                  RT5033_FLED_STRBCTRL1_MASK,
+                                  sub_led->flash_brightness);
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION1,
+                                  RT5033_FLED_FUNC1_MASK,
+                                  RT5033_FLED_PINCTRL | RT5033_FLED_STRB_SEL |
+                                  rt5033_fled_used(led, fled_id));
+               regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION2,
+                                  RT5033_FLED_FUNC2_MASK, RT5033_FLED_ENFLED
+                                  | RT5033_FLED_SREG_STRB);
+
+               regmap_read(led->regmap, RT5033_REG_FLED_FUNCTION1, &val);
+       }
+
+       fled_cdev->led_cdev.brightness = LED_OFF;
+
+       mutex_unlock(&led->lock);
+
+       return 0;
+}
+
+static const struct led_flash_ops flash_ops = {
+       .flash_brightness_set = rt5033_led_flash_brightness_set,
+       .strobe_set = rt5033_led_flash_strobe_set,
+       .timeout_set = rt5033_led_flash_timeout_set,
+};
+
+static void rt5033_init_flash_properties(struct rt5033_sub_led *sub_led,
+                                        struct rt5033_led_config_data *led_cfg)
+{
+       struct led_classdev_flash *fled_cdev = &sub_led->fled_cdev;
+       struct rt5033_led *led = sub_led_to_led(sub_led);
+       struct led_flash_setting *tm_set, *fl_set;
+       enum rt5033_fled fled_id = sub_led->fled_id;
+
+       tm_set = &fled_cdev->timeout;
+       tm_set->min = RT5033_LED_FLASH_TIMEOUT_MIN;
+       tm_set->max = led_cfg->flash_max_timeout[fled_id];
+       tm_set->step = RT5033_LED_FLASH_TIMEOUT_STEP;
+       tm_set->val = tm_set->max;
+
+       fl_set = &fled_cdev->brightness;
+       fl_set->min = RT5033_LED_FLASH_BRIGHTNESS_MIN;
+       if (led->iout_joint)
+               fl_set->max = MIN(led_cfg->flash_max_microamp[FLED1] +
+                                 led_cfg->flash_max_microamp[FLED2],
+                                 RT5033_LED_FLASH_BRIGHTNESS_MAX_2CH);
+       else
+               fl_set->max = MIN(led_cfg->flash_max_microamp[fled_id],
+                                 RT5033_LED_FLASH_BRIGHTNESS_MAX_1CH);
+       fl_set->step = RT5033_LED_FLASH_BRIGHTNESS_STEP;
+       fl_set->val = fl_set->max;
+}
+
+static void rt5033_led_init_fled_cdev(struct rt5033_sub_led *sub_led,
+                                     struct rt5033_led_config_data *led_cfg)
+{
+       struct led_classdev_flash *fled_cdev;
+       struct led_classdev *led_cdev;
+       enum rt5033_fled fled_id = sub_led->fled_id;
+       u32 flash_tm_offset, flash_brightness_offset;
+
+       /* Initialize LED Flash class device */
+       fled_cdev = &sub_led->fled_cdev;
+       fled_cdev->ops = &flash_ops;
+       led_cdev = &fled_cdev->led_cdev;
+
+       led_cdev->name = led_cfg->label[fled_id];
+
+       led_cdev->brightness_set = rt5033_led_brightness_set;
+       led_cdev->brightness_set_sync = rt5033_led_brightness_set_sync;
+       led_cdev->max_brightness = RT5033_LED_CONFIG_DATA_OFFSET(
+                                  led_cfg->torch_max_microamp[fled_id],
+                                  RT5033_LED_TORCH_BRIGHTNESS_STEP,
+                                  RT5033_LED_TORCH_BRIGHTNESS_MIN);
+
+       led_cdev->flags |= LED_DEV_CAP_FLASH;
+       INIT_WORK(&sub_led->work_brightness_set,
+                 rt5033_led_brightness_set_work);
+
+       rt5033_init_flash_properties(sub_led, led_cfg);
+
+       flash_tm_offset = RT5033_LED_CONFIG_DATA_OFFSET(fled_cdev->timeout.val,
+                                                       fled_cdev->timeout.step,
+                                                       fled_cdev->timeout.min);
+       flash_brightness_offset =
+               RT5033_LED_CONFIG_DATA_OFFSET(fled_cdev->brightness.val,
+                                             fled_cdev->brightness.step,
+                                             fled_cdev->brightness.min);
+
+       sub_led->flash_timeout = flash_tm_offset;
+       sub_led->flash_brightness = flash_brightness_offset;
+}
+
+static int rt5033_led_parse_dt(struct rt5033_led *led, struct device *dev,
+                              struct rt5033_led_config_data *cfg,
+                              struct device_node **sub_nodes)
+{
+       struct device_node *np = dev->of_node;
+       struct device_node *child_node;
+       struct rt5033_sub_led *sub_leds = led->sub_leds;
+       struct property *prop;
+       u32 led_sources[2];
+       enum rt5033_fled fled_id;
+       int i, ret;
+
+       if (!np)
+               return -ENXIO;
+
+       for_each_available_child_of_node(np, child_node) {
+               prop = of_find_property(child_node, "led-sources", NULL);
+               if (prop) {
+                       const u32 *srcs = NULL;
+
+                       for (i = 0; i < ARRAY_SIZE(led_sources); ++i) {
+                               srcs = of_prop_next_u32(prop, srcs,
+                                                       &led_sources[i]);
+                               if (!srcs)
+                                       break;
+                       }
+               } else {
+                       dev_err(dev, "led-sources DT property missing\n");
+                       ret = -EINVAL;
+                       goto err_parse_dt;
+               }
+
+               if (i == 2) {
+                       fled_id = FLED1;
+                       led->fled_mask = FLED1_IOUT | FLED2_IOUT;
+               } else if (led_sources[0] == FLED1) {
+                       fled_id = FLED1;
+                       led->fled_mask |= FLED1_IOUT;
+               } else if (led_sources[0] == FLED2) {
+                       fled_id = FLED2;
+                       led->fled_mask |= FLED2_IOUT;
+               } else {
+                       dev_err(dev, "Wrong led-sources DT property value.\n");
+                       ret = -EINVAL;
+                       goto err_parse_dt;
+               }
+
+               if (sub_nodes[fled_id]) {
+                       dev_err(dev,
+                               "Conflicting \"led-sources\" DT properties\n");
+                       ret = -EINVAL;
+                       goto err_parse_dt;
+               }
+
+               sub_nodes[fled_id] = child_node;
+               sub_leds[fled_id].fled_id = fled_id;
+
+               cfg->label[fled_id] =
+                       of_get_property(child_node, "label", NULL) ? :
+                                       child_node->name;
+
+               ret = of_property_read_u32(child_node, "led-max-microamp",
+                                          &cfg->torch_max_microamp[fled_id]);
+               if (ret) {
+                       dev_err(dev, "failed to parse led-max-microamp\n");
+                       goto err_parse_dt;
+               }
+
+               ret = of_property_read_u32(child_node, "flash-max-microamp",
+                                          &cfg->flash_max_microamp[fled_id]);
+               if (ret) {
+                       dev_err(dev, "failed to parse flash-max-microamp\n");
+                       goto err_parse_dt;
+               }
+
+               ret = of_property_read_u32(child_node, "flash-max-timeout-us",
+                                          &cfg->flash_max_timeout[fled_id]);
+               if (ret) {
+                       dev_err(dev, "failed to parse flash-max-timeout-us\n");
+                       goto err_parse_dt;
+               }
+
+               if (++cfg->num_leds == 2 ||
+                   (rt5033_fled_used(led, FLED1) &&
+                    rt5033_fled_used(led, FLED2))) {
+                       of_node_put(child_node);
+                       break;
+               }
+       }
+
+       if (cfg->num_leds == 0) {
+               dev_err(dev, "No DT child node found for connected LED(s).\n");
+               return -EINVAL;
+       }
+
+       return 0;
+
+err_parse_dt:
+       of_node_put(child_node);
+       return ret;
+}
+
+static int rt5033_led_probe(struct platform_device *pdev)
+{
+       struct rt5033_dev *rt5033 = dev_get_drvdata(pdev->dev.parent);
+       struct rt5033_led *led;
+       struct rt5033_sub_led *sub_leds;
+       struct device_node *sub_nodes[2] = {};
+       struct rt5033_led_config_data led_cfg = {};
+       int init_fled_cdev[2], i, ret;
+
+       led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
+       if (!led)
+               return -ENOMEM;
+
+       platform_set_drvdata(pdev, led);
+       led->dev = &pdev->dev;
+       led->regmap = rt5033->regmap;
+       sub_leds = led->sub_leds;
+
+       ret = rt5033_led_parse_dt(led, &pdev->dev, &led_cfg, sub_nodes);
+       if (ret)
+               return ret;
+
+       if (led_cfg.num_leds == 1 && rt5033_fled_used(led, FLED1) &&
+           rt5033_fled_used(led, FLED2))
+               led->iout_joint = true;
+
+       mutex_init(&led->lock);
+
+       init_fled_cdev[FLED1] =
+                       led->iout_joint || rt5033_fled_used(led, FLED1);
+       init_fled_cdev[FLED2] =
+                       !led->iout_joint && rt5033_fled_used(led, FLED2);
+
+       for (i = FLED1; i <= FLED2; ++i) {
+               if (!init_fled_cdev[i])
+                       continue;
+
+               rt5033_led_init_fled_cdev(&sub_leds[i], &led_cfg);
+               ret = led_classdev_flash_register(led->dev,
+                                                 &sub_leds[i].fled_cdev);
+               if (ret < 0) {
+                       if (i == FLED2)
+                               goto err_register_led2;
+                       else
+                               goto err_register_led1;
+               }
+       }
+
+       regmap_update_bits(led->regmap, RT5033_REG_FLED_FUNCTION1,
+                          RT5033_FLED_FUNC1_MASK, RT5033_FLED_RESET);
+
+       return 0;
+
+err_register_led2:
+       led_classdev_flash_unregister(&sub_leds[FLED1].fled_cdev);
+err_register_led1:
+       mutex_destroy(&led->lock);
+
+       return ret;
+}
+
+static int rt5033_led_remove(struct platform_device *pdev)
+{
+       struct rt5033_led *led = platform_get_drvdata(pdev);
+       struct rt5033_sub_led *sub_leds = led->sub_leds;
+
+       if (led->iout_joint || rt5033_fled_used(led, FLED1)) {
+               led_classdev_flash_unregister(&sub_leds[FLED1].fled_cdev);
+               cancel_work_sync(&sub_leds[FLED1].work_brightness_set);
+       }
+
+       if (!led->iout_joint && rt5033_fled_used(led, FLED2)) {
+               led_classdev_flash_unregister(&sub_leds[FLED2].fled_cdev);
+               cancel_work_sync(&sub_leds[FLED2].work_brightness_set);
+       }
+
+       mutex_destroy(&led->lock);
+
+       return 0;
+}
+
+static const struct of_device_id rt5033_led_match[] = {
+       { .compatible = "richtek,rt5033-led", },
+       { /* sentinel */ },
+};
+MODULE_DEVICE_TABLE(of, rt5033_led_match);
+
+static struct platform_driver rt5033_led_driver = {
+       .driver = {
+               .name = "rt5033-led",
+               .of_match_table = rt5033_led_match,
+       },
+       .probe          = rt5033_led_probe,
+       .remove         = rt5033_led_remove,
+};
+module_platform_driver(rt5033_led_driver);
+
+MODULE_AUTHOR("Ingi Kim <ingi2....@samsung.com>");
+MODULE_DESCRIPTION("Richtek RT5033 LED driver");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:rt5033-led");
diff --git a/include/linux/mfd/rt5033-private.h 
b/include/linux/mfd/rt5033-private.h
index 1b63fc2..b20c7e4 100644
--- a/include/linux/mfd/rt5033-private.h
+++ b/include/linux/mfd/rt5033-private.h
@@ -93,6 +93,57 @@ enum rt5033_reg {
 #define RT5033_RT_CTRL1_UUG_MASK       0x02
 #define RT5033_RT_HZ_MASK              0x01
 
+/* RT5033 FLED Function1 register */
+#define RT5033_FLED_FUNC1_MASK         0x97
+#define RT5033_FLED_EN_LEDCS1          0x01
+#define RT5033_FLED_EN_LEDCS2          0x02
+#define RT5033_FLED_STRB_SEL           0x04
+#define RT5033_FLED_PINCTRL            0x10
+#define RT5033_FLED_RESET              0x80
+
+/* RT5033 FLED Function2 register */
+#define RT5033_FLED_FUNC2_MASK         0x81
+#define RT5033_FLED_ENFLED             0x01
+#define RT5033_FLED_SREG_STRB          0x80
+
+/* RT5033 FLED Strobe Control1 */
+#define RT5033_FLED_STRBCTRL1_MASK             0xFF
+#define RT5033_FLED_STRBCTRL1_TM_CUR_MAX       0xE0
+#define RT5033_FLED_STRBCTRL1_FL_CUR_DEF       0x0D
+#define RT5033_FLED_STRBCTRL1_FL_CUR_MAX       0x1F
+
+/* RT5033 FLED Strobe Control2 */
+#define RT5033_FLED_STRBCTRL2_MASK     0x3F
+#define RT5033_FLED_STRBCTRL2_TM_DEF   0x0F
+#define RT5033_FLED_STRBCTRL2_TM_MAX   0x3F
+
+/* RT5033 FLED Control1 */
+#define RT5033_FLED_CTRL1_MASK         0xF7
+#define RT5033_FLED_CTRL1_TORCH_CUR_DEF        0x20
+#define RT5033_FLED_CTRL1_TORCH_CUR_MAX        0xF0
+#define RT5033_FLED_CTRL1_LBP_DEF      0x02
+#define RT5033_FLED_CTRL1_LBP_MAX      0x07
+
+/* RT5033 FLED Control2 */
+#define RT5033_FLED_CTRL2_MASK         0xFF
+#define RT5033_FLED_CTRL2_VMID_DEF     0x37
+#define RT5033_FLED_CTRL2_VMID_MAX     0x3F
+#define RT5033_FLED_CTRL2_TRACK_ALIVE  0x40
+#define RT5033_FLED_CTRL2_MID_TRACK    0x80
+
+/* RT5033 FLED Control4 */
+#define RT5033_FLED_CTRL4_MASK         0xE0
+#define RT5033_FLED_CTRL4_RESV         0x14
+#define RT5033_FLED_CTRL4_VTRREG_DEF   0x40
+#define RT5033_FLED_CTRL4_VTRREG_MAX   0x60
+#define RT5033_FLED_CTRL4_TRACK_CLK    0x80
+
+/* RT5033 FLED Control5 */
+#define RT5033_FLED_CTRL5_MASK         0xC0
+#define RT5033_FLED_CTRL5_RESV         0x10
+#define RT5033_FLED_CTRL5_TA_GOOD      0x40
+#define RT5033_FLED_CTRL5_TA_EXIST     0x80
+
 /* RT5033 control register */
 #define RT5033_CTRL_FCCM_BUCK_MASK             0x00
 #define RT5033_CTRL_BUCKOMS_MASK               0x01
-- 
2.0.5

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