// SPDX-License-Identifier: GPL-2.0 // TI LM3697 LED chip family driver // Copyright (C) 2018 Texas Instruments Incorporated - https://www.ti.com/ #include <linux/bits.h> #include <linux/gpio/consumer.h> #include <linux/i2c.h> #include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/property.h> #include <linux/regmap.h> #include <linux/regulator/consumer.h> #include <linux/types.h> #include <linux/leds-ti-lmu-common.h> #define LM3697_REV … #define LM3697_RESET … #define LM3697_OUTPUT_CONFIG … #define LM3697_CTRL_A_RAMP … #define LM3697_CTRL_B_RAMP … #define LM3697_CTRL_A_B_RT_RAMP … #define LM3697_CTRL_A_B_RAMP_CFG … #define LM3697_CTRL_A_B_BRT_CFG … #define LM3697_CTRL_A_FS_CURR_CFG … #define LM3697_CTRL_B_FS_CURR_CFG … #define LM3697_PWM_CFG … #define LM3697_CTRL_A_BRT_LSB … #define LM3697_CTRL_A_BRT_MSB … #define LM3697_CTRL_B_BRT_LSB … #define LM3697_CTRL_B_BRT_MSB … #define LM3697_CTRL_ENABLE … #define LM3697_SW_RESET … #define LM3697_CTRL_A_EN … #define LM3697_CTRL_B_EN … #define LM3697_CTRL_A_B_EN … #define LM3697_MAX_LED_STRINGS … #define LM3697_CONTROL_A … #define LM3697_CONTROL_B … #define LM3697_MAX_CONTROL_BANKS … /** * struct lm3697_led - * @hvled_strings: Array of LED strings associated with a control bank * @label: LED label * @led_dev: LED class device * @priv: Pointer to the device struct * @lmu_data: Register and setting values for common code * @control_bank: Control bank the LED is associated to. 0 is control bank A * 1 is control bank B * @enabled: LED brightness level (or LED_OFF) * @num_leds: Number of LEDs available */ struct lm3697_led { … }; /** * struct lm3697 - * @enable_gpio: Hardware enable gpio * @regulator: LED supply regulator pointer * @client: Pointer to the I2C client * @regmap: Devices register map * @dev: Pointer to the devices device struct * @lock: Lock for reading/writing the device * @leds: Array of LED strings * @bank_cfg: OUTPUT_CONFIG register values * @num_banks: Number of control banks */ struct lm3697 { … }; static const struct reg_default lm3697_reg_defs[] = …; static const struct regmap_config lm3697_regmap_config = …; static int lm3697_brightness_set(struct led_classdev *led_cdev, enum led_brightness brt_val) { … } static int lm3697_init(struct lm3697 *priv) { … } static int lm3697_probe_dt(struct lm3697 *priv) { … } static int lm3697_probe(struct i2c_client *client) { … } static void lm3697_remove(struct i2c_client *client) { … } static const struct i2c_device_id lm3697_id[] = …; MODULE_DEVICE_TABLE(i2c, lm3697_id); static const struct of_device_id of_lm3697_leds_match[] = …; MODULE_DEVICE_TABLE(of, of_lm3697_leds_match); static struct i2c_driver lm3697_driver = …; module_i2c_driver(…) …; MODULE_DESCRIPTION(…) …; MODULE_AUTHOR(…) …; MODULE_LICENSE(…) …;
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