linux-kernel - [PATCH v3 01/11] dt-bindings: remoteproc: mediatek: Give the subnode a persistent name

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Message-ID: <20220927025606.26673-2-tinghan.shen@mediatek.com>
Date:   Tue, 27 Sep 2022 10:55:56 +0800
From:   Tinghan Shen <tinghan.shen@...iatek.com>
To:     Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        "Krzysztof Kozlowski" <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Tiffany Lin <tiffany.lin@...iatek.com>,
        "Andrew-CT Chen" <andrew-ct.chen@...iatek.com>,
        Yunfei Dong <yunfei.dong@...iatek.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Tinghan Shen <tinghan.shen@...iatek.com>
CC:     <linux-remoteproc@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-media@...r.kernel.org>
Subject: [PATCH v3 01/11] dt-bindings: remoteproc: mediatek: Give the subnode a persistent name

The node name doesn't matter to add the subnode as a cros-ec rpmsg device.
Give it a clear persistent node name to simplify scp yaml.

Signed-off-by: Tinghan Shen <tinghan.shen@...iatek.com>
---
 .../bindings/remoteproc/mtk,scp.yaml          | 35 ++++++++++---------
 .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi |  2 +-
 2 files changed, 20 insertions(+), 17 deletions(-)

diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
index 7e091eaffc18..786bed897916 100644
--- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.yaml
@@ -58,6 +58,23 @@ properties:
   memory-region:
     maxItems: 1
 
+  cros-ec-rpmsg:
+    type: object
+    description:
+      This subnode represents the rpmsg device. The names of the devices
+      are not important. The properties of this node are defined by the
+      individual bindings for the rpmsg devices.
+
+    properties:
+      mediatek,rpmsg-name:
+        $ref: /schemas/types.yaml#/definitions/string-array
+        description:
+          Contains the name for the rpmsg device. Used to match
+          the subnode to rpmsg device announced by SCP.
+
+    required:
+      - mediatek,rpmsg-name
+
 required:
   - compatible
   - reg
@@ -89,21 +106,7 @@ allOf:
         reg-names:
           maxItems: 2
 
-additionalProperties:
-  type: object
-  description:
-    Subnodes of the SCP represent rpmsg devices. The names of the devices
-    are not important. The properties of these nodes are defined by the
-    individual bindings for the rpmsg devices.
-  properties:
-    mediatek,rpmsg-name:
-      $ref: /schemas/types.yaml#/definitions/string-array
-      description:
-        Contains the name for the rpmsg device. Used to match
-        the subnode to rpmsg device announced by SCP.
-
-  required:
-    - mediatek,rpmsg-name
+additionalProperties: false
 
 examples:
   - |
@@ -118,7 +121,7 @@ examples:
         clocks = <&infracfg CLK_INFRA_SCPSYS>;
         clock-names = "main";
 
-        cros_ec {
+        cros-ec-rpmsg {
             mediatek,rpmsg-name = "cros-ec-rpmsg";
         };
     };
diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
index b4b86bb1f1a7..693ad5f2a82e 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
@@ -816,7 +816,7 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&scp_pins>;
 
-	cros_ec {
+	cros-ec-rpmsg {
 		compatible = "google,cros-ec-rpmsg";
 		mediatek,rpmsg-name = "cros-ec-rpmsg";
 	};
-- 
2.18.0