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dt-bindings: pwm: Add STM32 LPTimer PWM binding

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Add documentation for STMicroelectronics STM32 Low-Power Timer
PWM binding.

Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Fabrice Gasnier 2017-08-28 12:04:08 +02:00 committed by Lee Jones
parent e70a540b4e
commit efd11ad164
1 changed files with 24 additions and 0 deletions
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Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt Normal file
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STMicroelectronics STM32 Low-Power Timer PWM
STM32 Low-Power Timer provides single channel PWM.
Must be a sub-node of an STM32 Low-Power Timer device tree node.
See ../mfd/stm32-lptimer.txt for details about the parent node.
Required parameters:
- compatible: Must be "st,stm32-pwm-lp".
Optional properties:
- pinctrl-names: Set to "default".
- pinctrl-0: Phandle pointing to pin configuration node for PWM.
Example:
timer@40002400 {
compatible = "st,stm32-lptimer";
...
pwm {
compatible = "st,stm32-pwm-lp";
pinctrl-names = "default";
pinctrl-0 = <&lppwm1_pins>;
};
};