[PATCH 3/8] dt-bindings: pwm: Add STM32 LPTimer PWM binding
From: Fabrice Gasnier <hidden>
Date: 2017-06-16 16:02:03
Also in:
linux-arm-kernel, linux-iio, linux-pwm, lkml
Subsystem:
open firmware and flattened device tree bindings, pwm subsystem, the rest · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Uwe Kleine-König, Linus Torvalds
Add documentation for STMicroelectronics STM32 Low Power Timer PWM binding. Signed-off-by: Fabrice Gasnier <redacted> --- .../devicetree/bindings/pwm/pwm-stm32-lp.txt | 24 ++++++++++++++++++++++ 1 file changed, 24 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
diff --git a/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
new file mode 100644
index 0000000..8eebe31
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt@@ -0,0 +1,24 @@ +STMicroelectronics STM32 Low Power Timer PWM + +STM32 LP Timer provides single channel PWM. + +Must be a sub-node of an STM32 LP 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: +- A pinctrl state named "default" can be defined to set a pin in mode of + operation for PWM output on external pin. + +Example: + lptimer1: lptimer@0x40002400 { + compatible = "st,stm32-lptimer"; + ... + pwm { + compatible = "st,stm32-pwm-lp"; + pinctrl-names = "default"; + pinctrl-0 = <&lppwm1_pins>; + }; + };
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1.9.1