dt-bindings: soc: imx8mp-media-blk-ctrl: Add LDB subnode into schema and example

Document the LDB bridge subnode and add the subnode into the example.
For the subnode to work, the block control must scan its subnodes and
bind drivers to them, do not misuse either simple-bus or simple-mfd
here.

Acked-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Liu Ying <victor.liu@nxp.com>
Tested-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml
index a0f7c73510d04d13c2dbb14bc2fcf140f49ddd6d..ea9aa876ed130c6c4beccdef5087ff2acca32e09 100644 (file)
--- a/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml
+++ b/Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-media-blk-ctrl.yaml
@@ -23,6 +23,12 @@ properties:
   reg:
     maxItems: 1
 
+  '#address-cells':
+    const: 1
+
+  '#size-cells':
+    const: 1
+
   '#power-domain-cells':
     const: 1
 
@@ -78,9 +84,16 @@ properties:
       - const: isp1
       - const: dwe
 
+  bridge@5c:
+    type: object
+    $ref: /schemas/display/bridge/fsl,ldb.yaml#
+    unevaluatedProperties: false
+
 required:
   - compatible
   - reg
+  - '#address-cells'
+  - '#size-cells'
   - '#power-domain-cells'
   - power-domains
   - power-domain-names
@@ -114,5 +127,43 @@ examples:
         clock-names = "apb", "axi", "cam1", "cam2", "disp1", "disp2",
                       "isp", "phy";
         #power-domain-cells = <1>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        bridge@5c {
+            compatible = "fsl,imx8mp-ldb";
+            reg = <0x5c 0x4>, <0x128 0x4>;
+            reg-names = "ldb", "lvds";
+            clocks = <&clk IMX8MP_CLK_MEDIA_LDB>;
+            clock-names = "ldb";
+
+            ports {
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                port@0 {
+                    reg = <0>;
+
+                    ldb_from_lcdif2: endpoint {
+                        remote-endpoint = <&lcdif2_to_ldb>;
+                    };
+                };
+
+                port@1 {
+                    reg = <1>;
+
+                    ldb_lvds_ch0: endpoint {
+                        remote-endpoint = <&ldb_to_lvdsx4panel>;
+                    };
+                };
+
+                port@2 {
+                    reg = <2>;
+
+                    ldb_lvds_ch1: endpoint {
+                    };
+                };
+            };
+        };
     };
 ...