[PATCH v3 4/10] dt-bindings: pwm: add a property "num-pwms"

From: Sam Shih
Date: Fri Aug 16 2019 - 03:22:46 EST


From: Ryder Lee <ryder.lee@xxxxxxxxxxxx>

This adds a property "num-pwms" in example so that we could
specify the number of PWM channels via device tree.

Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: Sam Shih <sam.shih@xxxxxxxxxxxx>
Reviewed-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
---
Documentation/devicetree/bindings/pwm/pwm-mediatek.txt | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
index 991728cb46cb..ea95b490a913 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
+++ b/Documentation/devicetree/bindings/pwm/pwm-mediatek.txt
@@ -14,12 +14,12 @@ Required properties:
has no clocks
- "top": the top clock generator
- "main": clock used by the PWM core
- - "pwm1-8": the eight per PWM clocks for mt2712
- - "pwm1-6": the six per PWM clocks for mt7622
- - "pwm1-5": the five per PWM clocks for mt7623
+ - "pwm1-N": the PWM clocks for each channel
+ where N starting from 1 to the maximum number of PWM channels
- pinctrl-names: Must contain a "default" entry.
- 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.

Example:
pwm0: pwm@11006000 {
@@ -37,4 +37,5 @@ Example:
"pwm3", "pwm4", "pwm5";
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pins>;
+ num-pwms = <5>;
};
--
2.17.1