4  * SPDX-License-Identifier: Apache-2.0
11  * @brief LP5569 LED controller
13  * The LP5569 is a 9-channel LED driver that communicates over I2C.
18 #include <zephyr/drivers/led.h>
37 /* PWM base Register for controlling the duty-cycle */
46 static int lp5569_led_set_brightness(const struct device *dev, uint32_t led, uint8_t brightness)  in lp5569_led_set_brightness()  argument
48 	const struct lp5569_config *config = dev->config;  in lp5569_led_set_brightness()
52 	if (led >= LP5569_NUM_LEDS || brightness > 100) {  in lp5569_led_set_brightness()
53 		return -EINVAL;  in lp5569_led_set_brightness()
56 	/* Map 0-100 % to 0-255 pwm register value */  in lp5569_led_set_brightness()
59 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_LED0_PWM + led, val);  in lp5569_led_set_brightness()
61 		LOG_ERR("LED reg update failed");  in lp5569_led_set_brightness()
68 static inline int lp5569_led_on(const struct device *dev, uint32_t led)  in lp5569_led_on()  argument
70 	/* Set LED brightness to 100 % */  in lp5569_led_on()
71 	return lp5569_led_set_brightness(dev, led, 100);  in lp5569_led_on()
74 static inline int lp5569_led_off(const struct device *dev, uint32_t led)  in lp5569_led_off()  argument
76 	/* Set LED brightness to 0 % */  in lp5569_led_off()
77 	return lp5569_led_set_brightness(dev, led, 0);  in lp5569_led_off()
83 	const struct lp5569_config *config = dev->config;  in lp5569_write_channels()
88 		return -EINVAL;  in lp5569_write_channels()
94 	return i2c_write_dt(&config->bus, i2c_msg, i2c_len);  in lp5569_write_channels()
99 	const struct lp5569_config *config = dev->config;  in lp5569_enable()
102 	if (!i2c_is_ready_dt(&config->bus)) {  in lp5569_enable()
104 		return -ENODEV;  in lp5569_enable()
108 	if (config->enable_gpio.port) {  in lp5569_enable()
109 		if (!gpio_is_ready_dt(&config->enable_gpio)) {  in lp5569_enable()
111 			return -ENODEV;  in lp5569_enable()
114 		ret = gpio_pin_configure_dt(&config->enable_gpio, GPIO_OUTPUT_ACTIVE);  in lp5569_enable()
124 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_CONFIG, LP5569_CHIP_EN);  in lp5569_enable()
130 	ret = i2c_reg_write_byte_dt(&config->bus, LP5569_MISC,  in lp5569_enable()
132 					    (config->cp_mode << LP5569_CP_MODE_SHIFT));  in lp5569_enable()
134 		LOG_ERR("LED reg update failed");  in lp5569_enable()
148 		LOG_INF("Init %s as PM_DEVICE_STATE_OFF", dev->name);  in lp5569_init()
158 	const struct lp5569_config *config = dev->config;  in lp5569_pm_action()
172 		ret = i2c_reg_update_byte_dt(&config->bus, LP5569_CONFIG, LP5569_CHIP_EN, 0);  in lp5569_pm_action()
179 		return -ENOTSUP;  in lp5569_pm_action()
186 static DEVICE_API(led, lp5569_led_api) = {