[PATCH 12/21] dt-bindings: pwm: add power-domains property

[Alexandre Mergnat <amergnat@xxxxxxxxxxxx>]

According to the Mediatek datasheet, the display PWM block has a power
domain.

Signed-off-by: Alexandre Mergnat <amergnat@xxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
index 0088bc8e7c54..8a0005a8bf40 100644
--- a/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
+++ b/Documentation/devicetree/bindings/pwm/mediatek,pwm-disp.yaml
@@ -51,6 +51,12 @@ properties:
       - const: main
       - const: mm
 
+  power-domains:
+    maxItems: 1
+    description: A phandle and PM domain specifier as defined by bindings of
+      the power controller specified by phandle. See
+      Documentation/devicetree/bindings/power/power-domain.yaml for details.
+
 required:
   - compatible
   - reg
@@ -65,6 +71,7 @@ examples:
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/clock/mt8173-clk.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     pwm0: pwm@1401e000 {
         compatible = "mediatek,mt8173-disp-pwm";
@@ -73,4 +80,5 @@ examples:
         clocks = <&mmsys CLK_MM_DISP_PWM026M>,
                  <&mmsys CLK_MM_DISP_PWM0MM>;
         clock-names = "main", "mm";
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
     };

-- 
b4 0.10.1