diff options
| author | Andrew McRae <amcrae@google.com> | 2022-07-20 18:19:37 +1000 |
|---|---|---|
| committer | Chromeos LUCI <chromeos-scoped@luci-project-accounts.iam.gserviceaccount.com> | 2022-07-20 23:50:04 +0000 |
| commit | 5643b1b844ec73d02e8d8b1702c0385379e7e453 (patch) | |
| tree | 129a61a01b6d4e54c562b7cf09d800d28402613f | |
| parent | b35af7da54d5fce3f7c2ae555e07a895501ed18c (diff) | |
| download | chrome-ec-release-R105-14989.B-main.tar.gz | |
nissa: Use low freq clock for keyboard backlightrelease-R105-14989.B-main
Use low frequency clock for keyboard backlight so
that PWM clock does not get turned off when power
management turns off the main clocks.
BUG=b:230427574
TEST=zmake build nivviks; flash & run on Nirwen
BRANCH=none
Change-Id: I48bfe4cfaf2095b2b208a0ff6161cd868e6b31f4
Signed-off-by: Andrew McRae <amcrae@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3775276
Reviewed-by: Peter Marheine <pmarheine@chromium.org>
| -rw-r--r-- | zephyr/projects/nissa/craask/overlay.dts | 3 | ||||
| -rw-r--r-- | zephyr/projects/nissa/nivviks/keyboard.dts | 3 | ||||
| -rw-r--r-- | zephyr/projects/nissa/pujjo/keyboard.dts | 3 |
3 files changed, 6 insertions, 3 deletions
diff --git a/zephyr/projects/nissa/craask/overlay.dts b/zephyr/projects/nissa/craask/overlay.dts index 6a83ee70ad..de191cba3a 100644 --- a/zephyr/projects/nissa/craask/overlay.dts +++ b/zephyr/projects/nissa/craask/overlay.dts @@ -239,7 +239,7 @@ kblight { compatible = "cros-ec,kblight-pwm"; - pwms = <&pwm6 6 PWM_KHZ(10) PWM_POLARITY_NORMAL>; + pwms = <&pwm6 6 PWM_HZ(2400) PWM_POLARITY_NORMAL>; }; /* @@ -309,6 +309,7 @@ &pwm6 { status = "okay"; + clock-bus = "NPCX_CLOCK_BUS_LFCLK"; pinctrl-0 = <&pwm6_gpc0>; pinctrl-names = "default"; }; diff --git a/zephyr/projects/nissa/nivviks/keyboard.dts b/zephyr/projects/nissa/nivviks/keyboard.dts index fd18e1de99..ee5dd6d085 100644 --- a/zephyr/projects/nissa/nivviks/keyboard.dts +++ b/zephyr/projects/nissa/nivviks/keyboard.dts @@ -6,12 +6,13 @@ / { kblight { compatible = "cros-ec,kblight-pwm"; - pwms = <&pwm6 6 PWM_KHZ(10) PWM_POLARITY_NORMAL>; + pwms = <&pwm6 6 PWM_HZ(2400) PWM_POLARITY_NORMAL>; }; }; &pwm6 { status = "okay"; + clock-bus = "NPCX_CLOCK_BUS_LFCLK"; pinctrl-0 = <&pwm6_gpc0>; pinctrl-names = "default"; }; diff --git a/zephyr/projects/nissa/pujjo/keyboard.dts b/zephyr/projects/nissa/pujjo/keyboard.dts index fd18e1de99..ee5dd6d085 100644 --- a/zephyr/projects/nissa/pujjo/keyboard.dts +++ b/zephyr/projects/nissa/pujjo/keyboard.dts @@ -6,12 +6,13 @@ / { kblight { compatible = "cros-ec,kblight-pwm"; - pwms = <&pwm6 6 PWM_KHZ(10) PWM_POLARITY_NORMAL>; + pwms = <&pwm6 6 PWM_HZ(2400) PWM_POLARITY_NORMAL>; }; }; &pwm6 { status = "okay"; + clock-bus = "NPCX_CLOCK_BUS_LFCLK"; pinctrl-0 = <&pwm6_gpc0>; pinctrl-names = "default"; }; |