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| author | Keith Short <keithshort@chromium.org> | 2019-11-18 14:06:38 -0700 |
|---|---|---|
| committer | Keith Short <keithshort@chromium.org> | 2019-11-21 16:41:45 +0000 |
| commit | 293c23bb4378843d992c8ba6cc4bd2c626495877 (patch) | |
| tree | abaaa08a3cdd0bb319aa3dd07cfe547cf1a345cc /baseboard | |
| parent | 698cf4fb48979e47d522827fcdfcf5d2f117ddce (diff) | |
| download | chrome-ec-293c23bb4378843d992c8ba6cc4bd2c626495877.tar.gz | |
volteer: enable EC controlled fan
Enable simple GPIO control of the fan. Still need to add PWM controls
once a smart fan is available.
BUG=b:140582490
BRANCH=none
TEST=make buildall
TEST=verify fan turns on when exiting G3 and turns off before entering
G3.
Change-Id: I3ec5b36fd5c7ca607f03efa9a76f8dc2efacbb22
Signed-off-by: Keith Short <keithshort@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1924503
Reviewed-by: Abe Levkoy <alevkoy@chromium.org>
Diffstat (limited to 'baseboard')
| -rw-r--r-- | baseboard/volteer/baseboard.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/baseboard/volteer/baseboard.c b/baseboard/volteer/baseboard.c index a5057c4396..4565822977 100644 --- a/baseboard/volteer/baseboard.c +++ b/baseboard/volteer/baseboard.c @@ -343,3 +343,19 @@ void board_overcurrent_event(int port, int is_overcurrented) /* TODO: b/140561826 - check correct operation for Volteer */ } +/* + * Enable fan for 100% speed when AP is powered on. + * TODO: b/ remove this once PWM control is working. + */ +static void board_chipset_startup(void) +{ + gpio_set_level_verbose(CC_SYSTEM, GPIO_EN_PP5000_FAN, 1); +} +DECLARE_HOOK(HOOK_CHIPSET_STARTUP, board_chipset_startup, HOOK_PRIO_DEFAULT); + +static void board_chipset_shutdown(void) +{ + gpio_set_level_verbose(CC_SYSTEM, GPIO_EN_PP5000_FAN, 0); +} +DECLARE_HOOK(HOOK_CHIPSET_SHUTDOWN, board_chipset_shutdown, HOOK_PRIO_DEFAULT); + |