1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * LP55XX Platform Data Header
4 *
5 * Copyright (C) 2012 Texas Instruments
6 *
7 * Author: Milo(Woogyom) Kim <milo.kim@ti.com>
8 *
9 * Derived from leds-lp5521.h, leds-lp5523.h
10 */
11
12#ifndef _LEDS_LP55XX_H
13#define _LEDS_LP55XX_H
14
15#include <linux/gpio/consumer.h>
16#include <linux/led-class-multicolor.h>
17
18/* Clock configuration */
19#define LP55XX_CLOCK_AUTO 0
20#define LP55XX_CLOCK_INT 1
21#define LP55XX_CLOCK_EXT 2
22
23#define LP55XX_MAX_GROUPED_CHAN 4
24
25struct lp55xx_led_config {
26 const char *name;
27 const char *default_trigger;
28 u8 chan_nr;
29 u8 led_current; /* mA x10, 0 if led is not connected */
30 u8 max_current;
31 int num_colors;
32 unsigned int max_channel;
33 int color_id[LED_COLOR_ID_MAX];
34 int output_num[LED_COLOR_ID_MAX];
35};
36
37struct lp55xx_predef_pattern {
38 const u8 *r;
39 const u8 *g;
40 const u8 *b;
41 u8 size_r;
42 u8 size_g;
43 u8 size_b;
44};
45
46enum lp8501_pwr_sel {
47 LP8501_ALL_VDD, /* D1~9 are connected to VDD */
48 LP8501_6VDD_3VOUT, /* D1~6 with VDD, D7~9 with VOUT */
49 LP8501_3VDD_6VOUT, /* D1~6 with VOUT, D7~9 with VDD */
50 LP8501_ALL_VOUT, /* D1~9 are connected to VOUT */
51};
52
53/*
54 * struct lp55xx_platform_data
55 * @led_config : Configurable led class device
56 * @num_channels : Number of LED channels
57 * @label : Used for naming LEDs
58 * @clock_mode : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT
59 * @setup_resources : Platform specific function before enabling the chip
60 * @release_resources : Platform specific function after disabling the chip
61 * @enable_gpiod : enable GPIO descriptor
62 * @patterns : Predefined pattern data for RGB channels
63 * @num_patterns : Number of patterns
64 * @update_config : Value of CONFIG register
65 */
66struct lp55xx_platform_data {
67
68 /* LED channel configuration */
69 struct lp55xx_led_config *led_config;
70 u8 num_channels;
71 const char *label;
72
73 /* Clock configuration */
74 u8 clock_mode;
75
76 /* Charge pump mode */
77 u32 charge_pump_mode;
78
79 /* optional enable GPIO */
80 struct gpio_desc *enable_gpiod;
81
82 /* Predefined pattern data */
83 struct lp55xx_predef_pattern *patterns;
84 unsigned int num_patterns;
85
86 /* LP8501 specific */
87 enum lp8501_pwr_sel pwr_sel;
88};
89
90#endif /* _LEDS_LP55XX_H */
91

source code of linux/include/linux/platform_data/leds-lp55xx.h