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Kunimitsu: Buffer AC status to the PCH

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Ported the patch from Glados.
 Change-Id: Id7e6ca674e35c98594d09b86ab5bdf518f8b3984
 Reviewed-on: https://chromium-review.googlesource.com/288922

BUG=none
BRANCH=none
TEST=boot on Kunimitsu and verify PCH_ACOK is asserted when the device
     starts to charge and is deasserted when no cable is connected.

Change-Id: I869dab9dacc9c80da1cff79d795f07e16cbd37de
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/295864
Commit-Ready: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Tested-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Vijay P Hiremath <vijay.p.hiremath@intel.com>
Reviewed-by: Shawn N <shawnn@chromium.org>
This commit is contained in:
Vijay Hiremath
2015-08-27 12:56:28 -07:00
committed by chrome-bot
parent 8cd6cb8d2b
commit eb57628abe
2 changed files with 13 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
board/kunimitsu/board.c
View File

@@ -308,9 +308,21 @@ static void board_init(void)
/* Enable pericom BC1.2 interrupts */
gpio_enable_interrupt(GPIO_USB_C0_BC12_INT_L);
gpio_enable_interrupt(GPIO_USB_C1_BC12_INT_L);
/* Provide AC status to the PCH */
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
}
DECLARE_HOOK(HOOK_INIT, board_init, HOOK_PRIO_DEFAULT);
/**
* Buffer the AC present GPIO to the PCH.
*/
static void board_extpower(void)
{
gpio_set_level(GPIO_PCH_ACOK, extpower_is_present());
}
DECLARE_HOOK(HOOK_AC_CHANGE, board_extpower, HOOK_PRIO_DEFAULT);
/**
* Set active charge port -- only one port can be active at a time.
*

2
board/kunimitsu/gpio.inc
View File

@@ -60,7 +60,7 @@ GPIO(PCH_WAKE_L, PIN(66), GPIO_ODR_HIGH)
GPIO(EC_FAN1_TTACH, PIN(105), GPIO_INPUT)
/* Fan PWM output - NC / testing only */
GPIO(EC_FAN1_PWM, PIN(136), GPIO_OUT_LOW)
GPIO(PCH_ACOK, PIN(110), GPIO_ODR_HIGH)
GPIO(PCH_ACOK, PIN(110), GPIO_OUT_LOW)
/* Interrupts from accelerometer / gyro -- not yet implemented */
GPIO(LID_ACCEL_INT, PIN(161), GPIO_INPUT | GPIO_PULL_DOWN) /* Lid ACCEL sensor interrupt to EC */
GPIO(GYRO_INT, PIN(127), GPIO_INPUT | GPIO_PULL_DOWN) /* Lid Gyro sensor interrupt to EC */