linux-kernel - [PATCH v2 2/6] dt-bindings: display: rockchip,dw-hdmi: add power-domains property

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Message-ID: <5c45527a-e218-40a3-8e71-a5815417e5f7@gmail.com>
Date: Wed, 31 Jan 2024 22:16:24 +0100
From: Johan Jonker <jbx6244@...il.com>
To: robh+dt@...nel.org
Cc: hjc@...k-chips.com, heiko@...ech.de, andy.yan@...k-chips.com,
 krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, airlied@...il.com,
 daniel@...ll.ch, maarten.lankhorst@...ux.intel.com, tzimmermann@...e.de,
 mripard@...nel.org, markyao0591@...il.com, dri-devel@...ts.freedesktop.org,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/6] dt-bindings: display: rockchip,dw-hdmi: add
 power-domains property

Most Rockchip hdmi nodes are part of a power domain.
Add a power-domains property and include it to the example
with some reordering to align with the (new) documentation
about property ordering.

Signed-off-by: Johan Jonker <jbx6244@...il.com>
Acked-by: Conor Dooley <conor.dooley@...rochip.com>
---

Changed V2:
  keep reg-io-width together with reg
  explain reordering
---
 .../bindings/display/rockchip/rockchip,dw-hdmi.yaml      | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
index 391c2a7e79de..af638b6c0d21 100644
--- a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
+++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-hdmi.yaml
@@ -94,6 +94,9 @@ properties:
       - const: default
       - const: unwedge

+  power-domains:
+    maxItems: 1
+
   ports:
     $ref: /schemas/graph.yaml#/properties/ports

@@ -138,16 +141,18 @@ examples:
     #include <dt-bindings/clock/rk3288-cru.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/power/rk3288-power.h>

     hdmi: hdmi@...80000 {
         compatible = "rockchip,rk3288-dw-hdmi";
         reg = <0xff980000 0x20000>;
         reg-io-width = <4>;
-        ddc-i2c-bus = <&i2c5>;
-        rockchip,grf = <&grf>;
         interrupts = <GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>;
         clocks = <&cru  PCLK_HDMI_CTRL>, <&cru SCLK_HDMI_HDCP>;
         clock-names = "iahb", "isfr";
+        ddc-i2c-bus = <&i2c5>;
+        power-domains = <&power RK3288_PD_VIO>;
+        rockchip,grf = <&grf>;

         ports {
             #address-cells = <1>;
--
2.39.2