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| author | Lin Huang <hl@rock-chips.com> | 2017-12-22 10:57:59 +0800 |
|---|---|---|
| committer | chrome-bot <chrome-bot@chromium.org> | 2018-02-09 10:51:29 -0800 |
| commit | aec855ac89ec034ba904806acac6ade729993426 (patch) | |
| tree | 9f4f7a9175d26ec8504ebe18489b71dbe5c77b00 | |
| parent | b34b34e6e867f832f134c27790937b35eb6debef (diff) | |
| download | chrome-ec-aec855ac89ec034ba904806acac6ade729993426.tar.gz | |
scarlet: shutdown PP900_S0 power rail when S3
we need to shutdown PP900_S0 power rail when S3 to
save power consumption, let's do it.
BUG=b:62644399
BRANCH=none
TEST=run suspend_stress_test, it pass 1000 cycles
CQ-DEPEND=CL:890228
Change-Id: I366effe9d2a99cb608069dd5d599171d32a9b4ce
Signed-off-by: Lin Huang <hl@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/841902
Commit-Ready: Brian Norris <briannorris@chromium.org>
Tested-by: Derek Basehore <dbasehore@chromium.org>
Tested-by: Brian Norris <briannorris@chromium.org>
Reviewed-by: Derek Basehore <dbasehore@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
| -rw-r--r-- | power/rk3399.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/power/rk3399.c b/power/rk3399.c index fb7a437ef1..51211d0c69 100644 --- a/power/rk3399.c +++ b/power/rk3399.c @@ -94,7 +94,6 @@ BUILD_ASSERT(GPIO_COUNT < 256); #if CONFIG_CHIPSET_POWER_SEQ_VERSION == 2 static const struct power_seq_op s5s3_power_seq[] = { - { GPIO_PP900_S0_EN, 1, 2 }, { GPIO_PP900_S3_EN, 1, 2 }, { GPIO_PP3300_S3_EN, 1, 2 }, { GPIO_PP1800_S3_EN, 1, 2 }, @@ -143,6 +142,7 @@ static const struct power_seq_op s3s0_power_seq[] = { #ifdef S3_USB_WAKE /* Sigs that may already be on in S3, if we need to wake-on-USB */ static const struct power_seq_op s3s0_usb_wake_power_seq[] = { + { GPIO_PP900_S0_EN, 1, 2 }, { GPIO_PP1800_USB_EN, 1, 2 }, { GPIO_PP3300_S0_EN, 1, 2 }, }; @@ -170,6 +170,7 @@ static const struct power_seq_op s0s3_usb_wake_power_seq[] = { { GPIO_PP3300_S0_EN, 0, 20 }, { GPIO_PP1800_S0_EN, 0, 1 }, { GPIO_PP1800_USB_EN, 0, 1 }, + { GPIO_PP900_S0_EN, 0, 0 }, }; #endif @@ -181,7 +182,6 @@ static const struct power_seq_op s3s5_power_seq[] = { { GPIO_PP1800_S3_EN, 0, 2 }, { GPIO_PP3300_S3_EN, 0, 2 }, { GPIO_PP900_S3_EN, 0, 0 }, - { GPIO_PP900_S0_EN, 0, 0 }, }; #else static const struct power_seq_op s3s5_power_seq[] = { |