Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * LED driver for Marvell 88PM860x
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2009 Marvell International Ltd.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *	Haojian Zhuang <haojian.zhuang@marvell.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/of.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/i2c.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/leds.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/mfd/88pm860x.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define LED_PWM_MASK		(0x1F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define LED_CURRENT_MASK	(0x07 << 5)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) #define LED_BLINK_MASK		(0x7F)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define LED_ON_CONTINUOUS	(0x0F << 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define LED1_BLINK_EN		(1 << 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) #define LED2_BLINK_EN		(1 << 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) struct pm860x_led {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	struct led_classdev cdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	struct i2c_client *i2c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct pm860x_chip *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	char name[MFD_NAME_SIZE];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	int port;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	int iset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	unsigned char brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 	unsigned char current_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	int reg_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	int reg_blink;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	int blink_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) static int led_power_set(struct pm860x_chip *chip, int port, int on)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	int ret = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	switch (port) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		ret = on ? pm8606_osc_enable(chip, RGB1_ENABLE) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 			pm8606_osc_disable(chip, RGB1_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 		ret = on ? pm8606_osc_enable(chip, RGB2_ENABLE) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 			pm8606_osc_disable(chip, RGB2_ENABLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static int pm860x_led_set(struct led_classdev *cdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 			   enum led_brightness value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	struct pm860x_led *led = container_of(cdev, struct pm860x_led, cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	struct pm860x_chip *chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	unsigned char buf[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	chip = led->chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	mutex_lock(&led->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	led->brightness = value >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	if ((led->current_brightness == 0) && led->brightness) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 		led_power_set(chip, led->port, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 		if (led->iset) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 			pm860x_set_bits(led->i2c, led->reg_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 					LED_CURRENT_MASK, led->iset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		pm860x_set_bits(led->i2c, led->reg_blink,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 				LED_BLINK_MASK, LED_ON_CONTINUOUS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		pm860x_set_bits(led->i2c, PM8606_WLED3B, led->blink_mask,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 				led->blink_mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	pm860x_set_bits(led->i2c, led->reg_control, LED_PWM_MASK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 			led->brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	if (led->brightness == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		pm860x_bulk_read(led->i2c, led->reg_control, 3, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		ret = buf[0] & LED_PWM_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		ret |= buf[1] & LED_PWM_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		ret |= buf[2] & LED_PWM_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 			/* unset current since no led is lighting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 			pm860x_set_bits(led->i2c, led->reg_control,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 					LED_CURRENT_MASK, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 			pm860x_set_bits(led->i2c, PM8606_WLED3B,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 					led->blink_mask, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 			led_power_set(chip, led->port, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	led->current_brightness = led->brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	dev_dbg(chip->dev, "Update LED. (reg:%d, brightness:%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 		led->reg_control, led->brightness);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	mutex_unlock(&led->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #ifdef CONFIG_OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) static int pm860x_led_dt_init(struct platform_device *pdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 			      struct pm860x_led *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	struct device_node *nproot, *np;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	int iset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	if (!dev_of_node(pdev->dev.parent))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	nproot = of_get_child_by_name(dev_of_node(pdev->dev.parent), "leds");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	if (!nproot) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		dev_err(&pdev->dev, "failed to find leds node\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	for_each_available_child_of_node(nproot, np) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 		if (of_node_name_eq(np, data->name)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 			of_property_read_u32(np, "marvell,88pm860x-iset",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 					     &iset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			data->iset = PM8606_LED_CURRENT(iset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			of_node_put(np);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	of_node_put(nproot);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #define pm860x_led_dt_init(x, y)	(-1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static int pm860x_led_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	struct pm860x_chip *chip = dev_get_drvdata(pdev->dev.parent);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	struct pm860x_led_pdata *pdata = dev_get_platdata(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	struct pm860x_led *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	data = devm_kzalloc(&pdev->dev, sizeof(struct pm860x_led), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	if (data == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	res = platform_get_resource_byname(pdev, IORESOURCE_REG, "control");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	if (!res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		dev_err(&pdev->dev, "No REG resource for control\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	data->reg_control = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	res = platform_get_resource_byname(pdev, IORESOURCE_REG, "blink");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 	if (!res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 		dev_err(&pdev->dev, "No REG resource for blink\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 		return -ENXIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	data->reg_blink = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	memset(data->name, 0, MFD_NAME_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	switch (pdev->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 		data->blink_mask = LED1_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		sprintf(data->name, "led0-red");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 		data->blink_mask = LED1_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		sprintf(data->name, "led0-green");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	case 2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		data->blink_mask = LED1_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		sprintf(data->name, "led0-blue");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	case 3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		data->blink_mask = LED2_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		sprintf(data->name, "led1-red");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	case 4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		data->blink_mask = LED2_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		sprintf(data->name, "led1-green");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	case 5:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		data->blink_mask = LED2_BLINK_EN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		sprintf(data->name, "led1-blue");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	data->chip = chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 	data->i2c = (chip->id == CHIP_PM8606) ? chip->client : chip->companion;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	data->port = pdev->id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 	if (pm860x_led_dt_init(pdev, data))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		if (pdata)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 			data->iset = pdata->iset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	data->current_brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	data->cdev.name = data->name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	data->cdev.brightness_set_blocking = pm860x_led_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	mutex_init(&data->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	ret = led_classdev_register(chip->dev, &data->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		dev_err(&pdev->dev, "Failed to register LED: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	pm860x_led_set(&data->cdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	platform_set_drvdata(pdev, data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) static int pm860x_led_remove(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	struct pm860x_led *data = platform_get_drvdata(pdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 	led_classdev_unregister(&data->cdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) static struct platform_driver pm860x_led_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	.driver	= {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 		.name	= "88pm860x-led",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	.probe	= pm860x_led_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	.remove	= pm860x_led_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) module_platform_driver(pm860x_led_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) MODULE_DESCRIPTION("LED driver for Marvell PM860x");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) MODULE_AUTHOR("Haojian Zhuang <haojian.zhuang@marvell.com>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) MODULE_ALIAS("platform:88pm860x-led");