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Diffstat (limited to 'arch/arm/mach-exynos/midas-leds.c')
-rw-r--r--arch/arm/mach-exynos/midas-leds.c137
1 files changed, 109 insertions, 28 deletions
diff --git a/arch/arm/mach-exynos/midas-leds.c b/arch/arm/mach-exynos/midas-leds.c
index 2d6e1e2..88fb113 100644
--- a/arch/arm/mach-exynos/midas-leds.c
+++ b/arch/arm/mach-exynos/midas-leds.c
@@ -1,43 +1,121 @@
-#include <linux/platform_device.h>
-#include <linux/gpio.h>
+/*
+ *
+ * Copyright (C) 2011 Texas Instruments
+ *
+ * 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.
+ *
+ */
+
#include <linux/i2c.h>
-#include <linux/i2c-gpio.h>
+#include <linux/slab.h>
#include <linux/leds-lp5521.h>
-
-#include <plat/gpio-cfg.h>
-#include <mach/regs-gpio.h>
-#include <mach/gpio.h>
#include "midas.h"
-#ifdef CONFIG_LEDS_LP5521
static struct lp5521_led_config lp5521_led_config[] = {
{
- .name = "red",
- .chan_nr = 0,
- .led_current = 50,
- .max_current = 130,
- }, {
- .name = "green",
- .chan_nr = 1,
- .led_current = 30,
- .max_current = 130,
- }, {
- .name = "blue",
- .chan_nr = 2,
- .led_current = 30,
- .max_current = 130,
+ .name = "led_r",
+ .chan_nr = 0,
+ .led_current = 20,
+ .max_current = 20,
+ },
+ {
+ .name = "led_g",
+ .chan_nr = 1,
+ .led_current = 20,
+ .max_current = 20,
+ },
+ {
+ .name = "led_b",
+ .chan_nr = 2,
+ .led_current = 20,
+ .max_current = 20,
},
};
-#define LP5521_CONFIGS (LP5521_PWM_HF | LP5521_PWRSAVE_EN | \
-LP5521_CP_MODE_AUTO | LP5521_R_TO_BATT | \
-LP5521_CLK_INT)
+
+/* mode 1 (charging) : RGB(255,0,0) always on */
+static u8 mode_charging[] = { 0x40, 0xFF, };
+
+/* mode 2 (charging error) : RGB(255,0,0) 500ms off, 500ms on */
+static u8 mode_charging_err[] = {
+ 0x40, 0x00, 0x60, 0x00, 0x40, 0xFF,
+ 0x60, 0x00,
+ };
+
+/* mode 3 (missed noti) : RGB(0,0,255) 5000ms off, 500ms on */
+static u8 mode_missed_noti[] = {
+ 0x40, 0x00, 0x60, 0x00, 0xA4, 0xA1,
+ 0x40, 0xFF, 0x60, 0x00,
+ };
+
+/* mode 4 (low batt) : RGB(255,0,0) 5000ms off, 500ms on */
+static u8 mode_low_batt[] = {
+ 0x40, 0x00, 0x60, 0x00, 0xA4, 0xA1,
+ 0x40, 0xFF, 0x60, 0x00,
+ };
+
+/* mode 5 (full charged) : RGB(0,255,0) always on */
+static u8 mode_full_chg[] = { 0x40, 0xFF, };
+
+/* mode 6 (power on) : RGB(0,0,0) -> RGB(0,140,255)
+ ramp up 672ms, wait 328ms, ramp down 672ms, wait 328ms */
+static u8 mode_poweron_green[] = {
+ 0x40, 0x00, 0x0A, 0x45, 0x0A, 0x45,
+ 0x40, 0x8C, 0x55, 0x00, 0x0A, 0xC5,
+ 0xE0, 0x08, 0x0A, 0xC5, 0x40, 0x00,
+ 0x55, 0x00, 0xE0, 0x08,
+ };
+
+static u8 mode_poweron_blue[] = {
+ 0x40, 0x00, 0x05, 0x7E, 0x05, 0x7E,
+ 0x40, 0xFF, 0x55, 0x00, 0x05, 0xFE,
+ 0xE1, 0x00, 0x05, 0xFE, 0x40, 0x00,
+ 0x55, 0x00, 0xE1, 0x00,
+ };
+
+static struct lp5521_led_pattern board_led_patterns[] = {
+ {
+ .r = mode_charging,
+ .size_r = ARRAY_SIZE(mode_charging),
+ },
+ {
+ .r = mode_charging_err,
+ .size_r = ARRAY_SIZE(mode_charging_err),
+ },
+ {
+ .b = mode_missed_noti,
+ .size_b = ARRAY_SIZE(mode_missed_noti),
+ },
+ {
+ .r = mode_low_batt,
+ .size_r = ARRAY_SIZE(mode_low_batt),
+ },
+ {
+ .g = mode_full_chg,
+ .size_g = ARRAY_SIZE(mode_full_chg),
+ },
+ {
+ .g = mode_poweron_green,
+ .b = mode_poweron_blue,
+ .size_g = ARRAY_SIZE(mode_poweron_green),
+ .size_b = ARRAY_SIZE(mode_poweron_blue),
+ },
+};
+
+#define LP5521_CONFIGS (LP5521_PWM_HF | LP5521_PWRSAVE_EN | \
+ LP5521_CP_MODE_BYPASS | \
+ LP5521_CLOCK_INT)
static struct lp5521_platform_data lp5521_pdata = {
.led_config = lp5521_led_config,
.num_channels = ARRAY_SIZE(lp5521_led_config),
.clock_mode = LP5521_CLOCK_INT,
.update_config = LP5521_CONFIGS,
+ .patterns = board_led_patterns,
+ .num_patterns = ARRAY_SIZE(board_led_patterns),
};
+
static struct i2c_board_info i2c_devs21_emul[] __initdata = {
{
I2C_BOARD_INFO("lp5521", 0x32),
@@ -47,8 +125,11 @@ static struct i2c_board_info i2c_devs21_emul[] __initdata = {
int __init plat_leds_init(void)
{
- i2c_add_devices(21, i2c_devs21_emul, ARRAY_SIZE(i2c_devs21_emul));
+ i2c_add_devices(21, i2c_devs21_emul,
+ ARRAY_SIZE(i2c_devs21_emul));
return 0;
-};
+}
+
module_init(plat_leds_init);
-#endif
+
+