linux-kernel - [PATCH 1/2] dt-bindings: display: bridge: Add NXP i.MX93 parallel display format configuration

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Message-Id: <20230128034713.1530218-2-victor.liu@nxp.com>
Date:   Sat, 28 Jan 2023 11:47:12 +0800
From:   Liu Ying <victor.liu@....com>
To:     dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     andrzej.hajda@...el.com, neil.armstrong@...aro.org,
        robert.foss@...aro.org, Laurent.pinchart@...asonboard.com,
        jonas@...boo.se, jernej.skrabec@...il.com, airlied@...il.com,
        daniel@...ll.ch, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
        s.hauer@...gutronix.de, kernel@...gutronix.de, festevam@...il.com,
        linux-imx@....com
Subject: [PATCH 1/2] dt-bindings: display: bridge: Add NXP i.MX93 parallel display format configuration

NXP i.MX93 mediamix blk-ctrl contains one DISPLAY_MUX register which
configures parallel display format by using the "PARALLEL_DISP_FORMAT"
field. Add device tree bindings for the display format configuration.

Signed-off-by: Liu Ying <victor.liu@....com>
---
 .../display/bridge/nxp,imx93-pdfc.yaml        | 78 +++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/nxp,imx93-pdfc.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/nxp,imx93-pdfc.yaml b/Documentation/devicetree/bindings/display/bridge/nxp,imx93-pdfc.yaml
new file mode 100644
index 000000000000..a84bfb46b01d
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/nxp,imx93-pdfc.yaml
@@ -0,0 +1,78 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/nxp,imx93-pdfc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP i.MX93 Parallel Display Format Configuration
+
+maintainers:
+  - Liu Ying <victor.liu@....com>
+
+description: |
+  The i.MX93 mediamix blk-ctrl contains one DISPLAY_MUX register which
+  configures parallel display format by using the "PARALLEL_DISP_FORMAT"
+  field.
+
+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
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+
+    blk-ctrl {
+        #address-cells = <1>;
+        #size-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