diff options
| author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2019-10-04 15:53:51 +0300 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2019-10-21 17:49:59 +0300 |
| commit | 4205e356285ef0e8127d531fcff845eb01108b20 (patch) | |
| tree | e0fb2830dc7ae856dd7cd2ac37e13c9e24188d70 /Documentation | |
| parent | 1b98ad3b3be98f2c99f4d63679511eb97a26b8bb (diff) | |
| download | linux-4205e356285ef0e8127d531fcff845eb01108b20.tar.xz | |
dt-bindings: pwm-stm32: Document pinctrl sleep state
Add documentation for pinctrl sleep state that can be used by STM32
timers PWM.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-stm32.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt index a8690bfa5e1f..f1620c1feebf 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32.txt @@ -5,8 +5,9 @@ See ../mfd/stm32-timers.txt for details about the parent node. Required parameters: - compatible: Must be "st,stm32-pwm". -- pinctrl-names: Set to "default". -- pinctrl-0: List of phandles pointing to pin configuration nodes for PWM module. +- pinctrl-names: Set to "default". An additional "sleep" state can be + defined to set pins in sleep state when in low power. +- pinctrl-n: List of phandles pointing to pin configuration nodes for PWM module. For Pinctrl properties see ../pinctrl/pinctrl-bindings.txt - #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells bindings defined in pwm.txt. @@ -32,7 +33,8 @@ Example: compatible = "st,stm32-pwm"; #pwm-cells = <3>; pinctrl-0 = <&pwm1_pins>; - pinctrl-names = "default"; + pinctrl-1 = <&pwm1_sleep_pins>; + pinctrl-names = "default", "sleep"; st,breakinput = <0 1 5>; }; }; |