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Pit: Add Green LED function in tps65090 charger driver

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From DV2 board of pit, we'll use 3 color-LED instead of power LED on keyboard.
So, we have to add the function to control 3 color-LED in pmu driver.

BUG=chrome-os-partner:24855
TEST=Tested on the pi and pit board about all power status.
BRANCH=pit

Change-Id: I7b1df39de8fa56eab73779abfa52cf8f72427b44
Signed-off-by: Jaehoon Kim <jh228.kim@samsung.com>
Reviewed-on: https://chromium-review.googlesource.com/181588
Tested-by: Katie Roberts-Hoffman <katierh@chromium.org>
Reviewed-by: Randall Spangler <rspangler@chromium.org>
Commit-Queue: Wonjoon Lee <woojoo.lee@samsung.com>
This commit is contained in:
Jaehoon Kim
2014-01-06 19:20:45 +09:00
committed by chrome-internal-fetch
parent c35251d662
commit f1b622231b
3 changed files with 21 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
board/pit/board.c
View File

@@ -70,7 +70,7 @@ const struct gpio_info gpio_list[] = {
{"I2C1_SDA", GPIO_B, (1<<7), GPIO_ODR_HIGH, NULL},
{"I2C2_SCL", GPIO_B, (1<<10), GPIO_ODR_HIGH, NULL},
{"I2C2_SDA", GPIO_B, (1<<11), GPIO_ODR_HIGH, NULL},
{"LED_POWER_L", GPIO_A, (1<<2), GPIO_OUT_HIGH, NULL},
{"CHARGING_LED",GPIO_A, (1<<2), GPIO_OUT_LOW, NULL},
{"PMIC_PWRON", GPIO_A, (1<<12), GPIO_OUT_LOW, NULL},
{"PMIC_RESET", GPIO_A, (1<<15), GPIO_OUT_LOW, NULL},
{"KB_OUT00", GPIO_B, (1<<0), GPIO_KB_OUTPUT, NULL},

3
board/pit/board.h
View File

@@ -22,6 +22,7 @@
#define CONFIG_PMU_HARD_RESET
#define CONFIG_PMU_POWERINFO
#define CONFIG_PMU_TPS65090
#define CONFIG_PMU_TPS65090_CHARGING_LED
#define CONFIG_SPI
#define CONFIG_VBOOT_HASH
@@ -79,7 +80,7 @@ enum gpio_signal {
GPIO_I2C1_SDA,
GPIO_I2C2_SCL,
GPIO_I2C2_SDA,
GPIO_LED_POWER_L,
GPIO_CHARGING_LED,
GPIO_PMIC_PWRON,
GPIO_PMIC_RESET,
GPIO_KB_OUT00,

18
common/pmu_tps65090_charger.c
View File

@@ -52,6 +52,21 @@ static int has_pending_event;
static enum charging_state current_state = ST_IDLE0;
#ifdef CONFIG_PMU_TPS65090_CHARGING_LED
static void update_battery_led(void)
{
int alarm;
int led_on = 0;
if(extpower_is_present()){
battery_status(&alarm);
if((alarm & ALARM_CHARGED) && !gpio_get_level(GPIO_CHARGER_EN))
led_on = 1;
}
gpio_set_level(GPIO_CHARGING_LED, led_on);
}
#endif
static void enable_charging(int enable)
{
enable = enable ? 1 : 0;
@@ -409,6 +424,9 @@ void charger_task(void)
extpower_charge_update(0);
#endif
#ifdef CONFIG_PMU_TPS65090_CHARGING_LED
update_battery_led();
#endif
/*
* When battery is extremely low, the internal voltage can not
* power on its gas guage IC. Charging loop will enable the