[v3,9/10] dt-bindings: pwm: update bindings for MT7628 SoC
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Message ID 1565940088-845-10-git-send-email-sam.shih@mediatek.com
State New
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Series
  • Add mt7629 and fix mt7628 pwm
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Commit Message

Sam Shih Aug. 16, 2019, 7:21 a.m. UTC
From: sam shih <sam.shih@mediatek.com>

This updates bindings for MT7628 pwm controller.

Signed-off-by: Sam Shih <sam.shih@mediatek.com>
---
 Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 3 +++
 1 file changed, 3 insertions(+)

Patch
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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 {