// SPDX-License-Identifier: GPL-2.0-only /* * TI LP8860 4-Channel LED Driver * * Copyright (C) 2014 Texas Instruments * * Author: Dan Murphy <[email protected]> */ #include <linux/i2c.h> #include <linux/init.h> #include <linux/leds.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/module.h> #include <linux/mutex.h> #include <linux/of.h> #include <linux/gpio/consumer.h> #include <linux/slab.h> #define LP8860_DISP_CL1_BRT_MSB … #define LP8860_DISP_CL1_BRT_LSB … #define LP8860_DISP_CL1_CURR_MSB … #define LP8860_DISP_CL1_CURR_LSB … #define LP8860_CL2_BRT_MSB … #define LP8860_CL2_BRT_LSB … #define LP8860_CL2_CURRENT … #define LP8860_CL3_BRT_MSB … #define LP8860_CL3_BRT_LSB … #define LP8860_CL3_CURRENT … #define LP8860_CL4_BRT_MSB … #define LP8860_CL4_BRT_LSB … #define LP8860_CL4_CURRENT … #define LP8860_CONFIG … #define LP8860_STATUS … #define LP8860_FAULT … #define LP8860_LED_FAULT … #define LP8860_FAULT_CLEAR … #define LP8860_ID … #define LP8860_TEMP_MSB … #define LP8860_TEMP_LSB … #define LP8860_DISP_LED_CURR_MSB … #define LP8860_DISP_LED_CURR_LSB … #define LP8860_DISP_LED_PWM_MSB … #define LP8860_DISP_LED_PWM_LSB … #define LP8860_EEPROM_CNTRL … #define LP8860_EEPROM_UNLOCK … #define LP8860_EEPROM_REG_0 … #define LP8860_EEPROM_REG_1 … #define LP8860_EEPROM_REG_2 … #define LP8860_EEPROM_REG_3 … #define LP8860_EEPROM_REG_4 … #define LP8860_EEPROM_REG_5 … #define LP8860_EEPROM_REG_6 … #define LP8860_EEPROM_REG_7 … #define LP8860_EEPROM_REG_8 … #define LP8860_EEPROM_REG_9 … #define LP8860_EEPROM_REG_10 … #define LP8860_EEPROM_REG_11 … #define LP8860_EEPROM_REG_12 … #define LP8860_EEPROM_REG_13 … #define LP8860_EEPROM_REG_14 … #define LP8860_EEPROM_REG_15 … #define LP8860_EEPROM_REG_16 … #define LP8860_EEPROM_REG_17 … #define LP8860_EEPROM_REG_18 … #define LP8860_EEPROM_REG_19 … #define LP8860_EEPROM_REG_20 … #define LP8860_EEPROM_REG_21 … #define LP8860_EEPROM_REG_22 … #define LP8860_EEPROM_REG_23 … #define LP8860_EEPROM_REG_24 … #define LP8860_LOCK_EEPROM … #define LP8860_UNLOCK_EEPROM … #define LP8860_PROGRAM_EEPROM … #define LP8860_EEPROM_CODE_1 … #define LP8860_EEPROM_CODE_2 … #define LP8860_EEPROM_CODE_3 … #define LP8860_CLEAR_FAULTS … #define LP8860_NAME … /** * struct lp8860_led * @lock: Lock for reading/writing the device * @client: Pointer to the I2C client * @led_dev: led class device pointer * @regmap: Devices register map * @eeprom_regmap: EEPROM register map * @enable_gpio: VDDIO/EN gpio to enable communication interface * @regulator: LED supply regulator pointer */ struct lp8860_led { … }; struct lp8860_eeprom_reg { … }; static struct lp8860_eeprom_reg lp8860_eeprom_disp_regs[] = …; static int lp8860_unlock_eeprom(struct lp8860_led *led, int lock) { … } static int lp8860_fault_check(struct lp8860_led *led) { … } static int lp8860_brightness_set(struct led_classdev *led_cdev, enum led_brightness brt_val) { … } static int lp8860_init(struct lp8860_led *led) { … } static const struct reg_default lp8860_reg_defs[] = …; static const struct regmap_config lp8860_regmap_config = …; static const struct reg_default lp8860_eeprom_defs[] = …; static const struct regmap_config lp8860_eeprom_regmap_config = …; static int lp8860_probe(struct i2c_client *client) { … } static void lp8860_remove(struct i2c_client *client) { … } static const struct i2c_device_id lp8860_id[] = …; MODULE_DEVICE_TABLE(i2c, lp8860_id); static const struct of_device_id of_lp8860_leds_match[] = …; MODULE_DEVICE_TABLE(of, of_lp8860_leds_match); static struct i2c_driver lp8860_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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