Merge tag 'du-next-20200514' of git://linuxtv.org/pinchartl/media int…

…o drm-next

R-Car Display Unit & related changes:

- DT bindings conversion to YAML
- Planes zpos sanity check and fix
- MAINTAINERS entry for LVDS panel driver

Signed-off-by: Dave Airlie <airlied@redhat.com>

From: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20200514012844.GA7196@pendragon.ideasonboard.com

Documentation/devicetree/bindings/display/bridge/anx6345.yaml

@@ -37,6 +37,12 @@ properties:
     type: object
 
     properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
       port@0:
         type: object
         description: |
@@ -51,6 +57,8 @@ properties:
     required:
       - port@0
 
+    additionalProperties: false
+
 required:
   - compatible
   - reg

Documentation/devicetree/bindings/display/bridge/lvds-codec.yaml

@@ -50,6 +50,12 @@ properties:
       This device has two video ports. Their connections are modeled using the
       OF graph bindings specified in Documentation/devicetree/bindings/graph.txt
     properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
       port@0:
         type: object
         description: |
@@ -66,6 +72,8 @@ properties:
       - port@0
       - port@1
 
+    additionalProperties: false
+
   powerdown-gpios:
     description:
       The GPIO used to control the power down line of this device.

Documentation/devicetree/bindings/display/bridge/ps8640.yaml

@@ -50,6 +50,12 @@ properties:
       Documentation/devicetree/bindings/media/video-interfaces.txt
       Documentation/devicetree/bindings/graph.txt
     properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
       port@0:
         type: object
         description: |
@@ -63,6 +69,8 @@ properties:
     required:
       - port@0
 
+    additionalProperties: false
+
 required:
   - compatible
   - reg

Documentation/devicetree/bindings/display/bridge/simple-bridge.yaml

@@ -0,0 +1,99 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/simple-bridge.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Transparent non-programmable DRM bridges
+
+maintainers:
+  - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
+  - Maxime Ripard <mripard@kernel.org>
+
+description: |
+  This binding supports transparent non-programmable bridges that don't require
+  any configuration, with a single input and a single output.
+
+properties:
+  compatible:
+    oneOf:
+      - items:
+        - enum:
+          - ti,ths8134a
+          - ti,ths8134b
+        - const: ti,ths8134
+      - enum:
+        - adi,adv7123
+        - dumb-vga-dac
+        - ti,opa362
+        - ti,ths8134
+        - ti,ths8135
+
+  ports:
+    type: object
+    description: |
+      This device has two video ports. Their connections are modeled using the
+      OF graph bindings specified in Documentation/devicetree/bindings/graph.txt.
+    properties:
+      '#address-cells':
+        const: 1
+
+      '#size-cells':
+        const: 0
+
+      port@0:
+        type: object
+        description: The bridge input
+
+      port@1:
+        type: object
+        description: The bridge output
+
+    required:
+      - port@0
+      - port@1
+
+    additionalProperties: false
+
+  enable-gpios:
+    maxItems: 1
+    description: GPIO controlling bridge enable
+
+  vdd-supply:
+    maxItems: 1
+    description: Power supply for the bridge
+
+required:
+  - compatible
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    bridge {
+        compatible = "ti,ths8134a", "ti,ths8134";
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+
+                vga_bridge_in: endpoint {
+                    remote-endpoint = <&tcon0_out_vga>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+
+                vga_bridge_out: endpoint {
+                    remote-endpoint = <&vga_con_in>;
+                };
+            };
+        };
+    };
+
+...