diff options
| author | Vijay Hiremath <vijay.p.hiremath@intel.com> | 2019-06-06 11:34:35 -0700 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2019-06-11 23:20:53 +0000 |
| commit | 8214b2c6e4130acbe7b8d9185b71b1a48cae55ed (patch) | |
| tree | 72f04830c006b504668180692a5e186d56414180 /power | |
| parent | 86202bd0303c6b63d7ef44c803212687b560f13a (diff) | |
| download | chrome-ec-8214b2c6e4130acbe7b8d9185b71b1a48cae55ed.tar.gz | |
icelake: Add option to turn-off 5V-rail in power sequencing
Need to enable or disable the 5V-rail in power sequencing to support
boards with 5V-rail.
This CL is a derivative of Cometlake CL.
Change-Id: Ia1acd5a592f60973a3b852a987e93283f10d0ac0
Reviewed-on: https://chromium-review.googlesource.com/1503956
BUG=b:134688223
BRANCH=none
TEST=Able to control 5V-rail of ICLRVP
Change-Id: Iefaa1091e863c1c431ea784d2e02478ce67f8911
Signed-off-by: Vijay Hiremath <vijay.p.hiremath@intel.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1647369
Reviewed-by: Jett Rink <jettrink@chromium.org>
Reviewed-by: Scott Collyer <scollyer@chromium.org>
Diffstat (limited to 'power')
| -rw-r--r-- | power/icelake.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/power/icelake.c b/power/icelake.c index 04b734c213..86f0f7e459 100644 --- a/power/icelake.c +++ b/power/icelake.c @@ -39,6 +39,13 @@ void chipset_force_shutdown(enum chipset_shutdown_reason reason) /* Turn off DSW load switch. */ gpio_set_level(GPIO_EN_PP3300_A, 0); + /* Turn off PP5000 rail */ +#ifdef CONFIG_POWER_PP5000_CONTROL + power_5v_enable(task_get_current(), 0); +#else + gpio_set_level(GPIO_EN_PP5000, 0); +#endif + /* * TODO(b/111810925): Replace this wait with * power_wait_signals_timeout() @@ -98,6 +105,13 @@ enum power_state power_handle_state(enum power_state state) switch (state) { case POWER_G3S5: + /* Turn on PP5000 rail */ +#ifdef CONFIG_POWER_PP5000_CONTROL + power_5v_enable(task_get_current(), 1); +#else + gpio_set_level(GPIO_EN_PP5000, 1); +#endif + /* * TODO(b/111121615): Should modify this to wait until the * common power state machine indicates that it's ok to try an |