Add documentation for STMicroelectronics STM32 Low-Power Timer
PWM binding.
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@xxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
---
Changes in v3:
- Rob's comment on node name: timer@...
Changes in v2:
- s/Low Power/Low-Power/
- remove 0x in example (parent node)
- improve properties description
---
.../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..f8338d1
--- /dev/null
+++ b/Documentation/devicetree/bindings/pwm/pwm-stm32-lp.txt
@@ -0,0 +1,24 @@
+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>;
+ };
+ };
--
1.9.1
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