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UPSTREAM: mainboard/google/poppy: Power down camera rails when suspending

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BUG=b:62147763

Change-Id: I87e629a15de2f6882c1bf6f238931751db7515fd
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Original-Commit-Id: 3178bdc345
Original-Change-Id: Iba88fed972b847448e01fcfca8c7129d950244c2
Original-Signed-off-by: Furquan Shaikh <furquan@chromium.org>
Original-Reviewed-on: https://review.coreboot.org/19953
Original-Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Original-Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Original-Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/521040
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Patrick Georgi <pgeorgi@chromium.org>
This commit is contained in:
Furquan Shaikh 2017-05-27 17:52:32 -07:00 • committed by chrome-bot
commit c61bbdb49f
2 changed files with 15 additions and 0 deletions
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11
src/mainboard/google/poppy/smihandler.c
View file

@ -15,8 +15,11 @@
#include <cpu/x86/smm.h>
#include <ec/google/chromeec/smm.h>
#include <gpio.h>
#include <soc/gpio.h>
#include <soc/smm.h>
#include <variant/gpio.h>
#include <variant/ec.h>
void mainboard_smi_espi_handler(void)
@ -24,10 +27,18 @@ void mainboard_smi_espi_handler(void)
chromeec_smi_process_events();
}
static void mainboard_gpio_smi_sleep(void)
{
/* Hold camera device in reset and then power it down. */
gpio_set(EN_CAM_PMIC_RST_L, 0);
gpio_set(EN_PP3300_DX_CAM, 0);
}
void mainboard_smi_sleep(u8 slp_typ)
{
chromeec_smi_sleep(slp_typ, MAINBOARD_EC_S3_WAKE_EVENTS,
MAINBOARD_EC_S5_WAKE_EVENTS);
mainboard_gpio_smi_sleep();
}
int mainboard_smi_apmc(u8 apmc)

4
src/mainboard/google/poppy/variants/baseboard/include/baseboard/gpio.h
View file

@ -37,4 +37,8 @@
/* eSPI virtual wire reporting */
#define EC_SCI_GPI GPE0_ESPI
/* Power rail control signals */
#define EN_PP3300_DX_CAM GPP_C11
#define EN_CAM_PMIC_RST_L GPP_C10
#endif /* BASEBOARD_GPIO_H */