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| author | Fabrice Gasnier <fabrice.gasnier@st.com> | 2019-04-18 12:37:45 +0300 |
|---|---|---|
| committer | Thierry Reding <thierry.reding@gmail.com> | 2019-06-25 15:49:20 +0300 |
| commit | f6c9b59769db7ec21230502d889d4bbceac56b67 (patch) | |
| tree | 3d81d33b0c154c0893d3673f0ad969cd6234de15 /Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt | |
| parent | 9e37a53eb05114b663ded9f1f2f69c7fec6c5913 (diff) | |
| download | linux-f6c9b59769db7ec21230502d889d4bbceac56b67.tar.xz | |
dt-bindings: pwm: stm32-lp: Document pin control sleep state
Add documentation for pin control sleep state on STM32 LPTimer PWM.
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt index bd23302e84be..6521bc44a74e 100644 --- a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt +++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt @@ -11,8 +11,10 @@ Required parameters: bindings defined in pwm.txt. Optional properties: -- pinctrl-names: Set to "default". -- pinctrl-0: Phandle pointing to pin configuration node for PWM. +- pinctrl-names: Set to "default". An additional "sleep" state can be + defined to set pins in sleep state when in low power. +- pinctrl-n: Phandle(s) pointing to pin configuration node for PWM, + respectively for "default" and "sleep" states. Example: timer@40002400 { @@ -21,7 +23,8 @@ Example: pwm { compatible = "st,stm32-pwm-lp"; #pwm-cells = <3>; - pinctrl-names = "default"; + pinctrl-names = "default", "sleep"; pinctrl-0 = <&lppwm1_pins>; + pinctrl-1 = <&lppwm1_sleep_pins>; }; }; |