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-rw-r--r--dts/Bindings/pwm/pwm-stm32-lp.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/dts/Bindings/pwm/pwm-stm32-lp.txt b/dts/Bindings/pwm/pwm-stm32-lp.txt
index f8338d1..bd23302 100644
--- a/dts/Bindings/pwm/pwm-stm32-lp.txt
+++ b/dts/Bindings/pwm/pwm-stm32-lp.txt
@@ -7,6 +7,8 @@ See ../mfd/stm32-lptimer.txt for details about the parent node.
Required parameters:
- compatible: Must be "st,stm32-pwm-lp".
+- #pwm-cells: Should be set to 3. This PWM chip uses the default 3 cells
+ bindings defined in pwm.txt.
Optional properties:
- pinctrl-names: Set to "default".
@@ -18,6 +20,7 @@ Example:
...
pwm {
compatible = "st,stm32-pwm-lp";
+ #pwm-cells = <3>;
pinctrl-names = "default";
pinctrl-0 = <&lppwm1_pins>;
};