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From:   Liu Ying <victor.liu@nxp.com>
To:     dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org,
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Subject: [PATCH v3 1/2] dt-bindings: soc: imx93-media-blk-ctrl: Add PDFC subnode to schema and example
Date:   Mon,  5 Jun 2023 14:22:16 +0800
Message-Id: <20230605062217.3716328-2-victor.liu@nxp.com>
In-Reply-To: <20230605062217.3716328-1-victor.liu@nxp.com>
References: <20230605062217.3716328-1-victor.liu@nxp.com>
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i.MX93 SoC mediamix blk-ctrl contains one DISPLAY_MUX register which
configures parallel display format by using the "PARALLEL_DISP_FORMAT"
field. Document the Parallel Display Format Configuration(PDFC) subnode
and add the subnode to example.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
---
v2->v3:
* Newly introduced to replace the standalone dt-binding in v1 and v2. (Rob)

 .../soc/imx/fsl,imx93-media-blk-ctrl.yaml     | 68 +++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
index b3554e7f9e76..3f550c30d93d 100644
--- a/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx93-media-blk-ctrl.yaml
@@ -24,6 +24,12 @@ properties:
   reg:
     maxItems: 1
 
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 1
+
   '#power-domain-cells':
     const: 1
 
@@ -46,9 +52,43 @@ properties:
       - const: csi
       - const: dsi
 
+  bridge@60:
+    type: object
+    additionalProperties: false
+
+    properties:
+      compatible:
+        const: nxp,imx93-pdfc
+
+      reg:
+        maxItems: 1
+
+      ports:
+        $ref: /schemas/graph.yaml#/properties/ports
+
+        properties:
+          port@0:
+            $ref: /schemas/graph.yaml#/properties/port
+            description: Input port node to receive pixel data.
+
+          port@1:
+            $ref: /schemas/graph.yaml#/properties/port
+            description: Output port node to downstream pixel data receivers.
+
+        required:
+          - port@0
+          - port@1
+
+    required:
+      - compatible
+      - reg
+      - ports
+
 required:
   - compatible
   - reg
+  - '#address-cells'
+  - '#size-cells'
   - power-domains
   - clocks
   - clock-names
@@ -76,5 +116,33 @@ examples:
                <&clk IMX93_CLK_MIPI_DSI_GATE>;
                clock-names = "apb", "axi", "nic", "disp", "cam",
                              "pxp", "lcdif", "isi", "csi", "dsi";
+      #address-cells = <1>;
+      #size-cells = <1>;
       #power-domain-cells = <1>;
+
+      bridge@60 {
+        compatible = "nxp,imx93-pdfc";
+        reg = <0x60 0x4>;
+
+        ports {
+          #address-cells = <1>;
+          #size-cells = <0>;
+
+          port@0 {
+            reg = <0>;
+
+            pdfc_from_lcdif: endpoint {
+              remote-endpoint = <&lcdif_to_pdfc>;
+            };
+          };
+
+          port@1 {
+            reg = <1>;
+
+            pdfc_to_panel: endpoint {
+              remote-endpoint = <&panel_from_pdfc>;
+            };
+          };
+        };
+      };
     };
-- 
2.37.1