[PATCH 1/2] dt-bindings: display: mediatek: dpi: Add power-domains to the bindings

[Pin-yen Lin]

The power-domains property is used by most DT nodes using mediatek,dpi
bindings. Add this to the bindings to fix the schema check error.

Signed-off-by: Pin-yen Lin <treapking at chromium.org>
---

 .../bindings/display/mediatek/mediatek,dpi.yaml           | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
index 5ca7679d5427..7e0bb88f5856 100644
--- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
+++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
@@ -42,6 +42,12 @@ properties:
   interrupts:
     maxItems: 1
 
+  power-domains:
+    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.
+
   clocks:
     items:
       - description: Pixel Clock
@@ -82,11 +88,13 @@ examples:
   - |
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/power/mt8173-power.h>
 
     dpi0: dpi at 1401d000 {
         compatible = "mediatek,mt8173-dpi";
         reg = <0x1401d000 0x1000>;
         interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
+        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
         clocks = <&mmsys CLK_MM_DPI_PIXEL>,
              <&mmsys CLK_MM_DPI_ENGINE>,
              <&apmixedsys CLK_APMIXED_TVDPLL>;
-- 
2.46.0.662.g92d0881bb0-goog