From: sam shih <sam.s...@mediatek.com>
This updates bindings for MT7628 pwm controller.
Signed-off-by: Sam Shih <sam.s...@mediatek.com>
---
Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
index c7bd5633d1eb..bfdc438ae4d3 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
@@ -21,6 +21,9 @@ Required properties:
- pinctrl-0: One property must exist for each entry in pinctrl-names.
See pinctrl/pinctrl-bindings.txt for details of the property values.
- num-pwms: the number of PWM channels.
+ Optional properties:
+ - clock-frequency: fix clock frequency, this is only used in MT7628 SoC
+ for period calculation. This SoC has no complex clock tree.
Example:
pwm0: pwm@11006000 {
--
2.17.1
