Add sprd,mod attribute, which set the number of different
duty cycles that PWM's waveform could output, to dts.
Signed-off-by: Wenhua Lin <Wenhua.Lin@xxxxxxxxxx>
---
Documentation/devicetree/bindings/pwm/pwm-sprd.yaml | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml b/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
index 02e039fee3b4..7c956b840fa1 100644
--- a/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
+++ b/Documentation/devicetree/bindings/pwm/pwm-sprd.yaml
@@ -55,6 +55,16 @@ properties:
minItems: 4
maxItems: 4
+ sprd,mod:
+ $ref: /schemas/types.yaml#/definitions/uint32-array
+ minItems: 4
+ maxItems: 4
+ items:
+ minimum: 0xFF
+ maximum: 0xFFF
+ description: |
+ The number of different duty cycles that could be set for PWM's waveform output.
+
"#pwm-cells":
const: 2
@@ -63,6 +73,7 @@ required:
- reg
- clocks
- clock-names
+ - sprd,mod
additionalProperties: false
@@ -88,6 +99,7 @@ examples:
<&ext_26m>,
<&ext_26m>,
<&ext_26m>;
+ sprd,mod = <0xFF 0x1FF 0x3FF 0xFFF>;
#pwm-cells = <2>;
};
--
2.17.1
