| /* |
| * LP55XX Platform Data Header |
| * |
| * Copyright (C) 2012 Texas Instruments |
| * |
| * Author: Milo(Woogyom) Kim <milo.kim@ti.com> |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * version 2 as published by the Free Software Foundation. |
| * |
| * Derived from leds-lp5521.h, leds-lp5523.h |
| */ |
| |
| #ifndef _LEDS_LP55XX_H |
| #define _LEDS_LP55XX_H |
| |
| /* Clock configuration */ |
| #define LP55XX_CLOCK_AUTO 0 |
| #define LP55XX_CLOCK_INT 1 |
| #define LP55XX_CLOCK_EXT 2 |
| |
| /* Bits in LP5521 CONFIG register. 'update_config' in lp55xx_platform_data */ |
| #define LP5521_PWM_HF 0x40 /* PWM: 0 = 256Hz, 1 = 558Hz */ |
| #define LP5521_PWRSAVE_EN 0x20 /* 1 = Power save mode */ |
| #define LP5521_CP_MODE_OFF 0 /* Charge pump (CP) off */ |
| #define LP5521_CP_MODE_BYPASS 8 /* CP forced to bypass mode */ |
| #define LP5521_CP_MODE_1X5 0x10 /* CP forced to 1.5x mode */ |
| #define LP5521_CP_MODE_AUTO 0x18 /* Automatic mode selection */ |
| #define LP5521_R_TO_BATT 4 /* R out: 0 = CP, 1 = Vbat */ |
| #define LP5521_CLK_SRC_EXT 0 /* Ext-clk source (CLK_32K) */ |
| #define LP5521_CLK_INT 1 /* Internal clock */ |
| #define LP5521_CLK_AUTO 2 /* Automatic clock selection */ |
| |
| struct lp55xx_led_config { |
| const char *name; |
| u8 chan_nr; |
| u8 led_current; /* mA x10, 0 if led is not connected */ |
| u8 max_current; |
| }; |
| |
| struct lp55xx_predef_pattern { |
| u8 *r; |
| u8 *g; |
| u8 *b; |
| u8 size_r; |
| u8 size_g; |
| u8 size_b; |
| }; |
| |
| /* |
| * struct lp55xx_platform_data |
| * @led_config : Configurable led class device |
| * @num_channels : Number of LED channels |
| * @label : Used for naming LEDs |
| * @clock_mode : Input clock mode. LP55XX_CLOCK_AUTO or _INT or _EXT |
| * @setup_resources : Platform specific function before enabling the chip |
| * @release_resources : Platform specific function after disabling the chip |
| * @enable : EN pin control by platform side |
| * @patterns : Predefined pattern data for RGB channels |
| * @num_patterns : Number of patterns |
| * @update_config : Value of CONFIG register |
| */ |
| struct lp55xx_platform_data { |
| |
| /* LED channel configuration */ |
| struct lp55xx_led_config *led_config; |
| u8 num_channels; |
| const char *label; |
| |
| /* Clock configuration */ |
| u8 clock_mode; |
| |
| /* Platform specific functions */ |
| int (*setup_resources)(void); |
| void (*release_resources)(void); |
| void (*enable)(bool state); |
| |
| /* Predefined pattern data */ |
| struct lp55xx_predef_pattern *patterns; |
| unsigned int num_patterns; |
| |
| /* _CONFIG register */ |
| u8 update_config; |
| }; |
| |
| #endif /* _LEDS_LP55XX_H */ |