[PATCH 1/7] dt-bindings: display: renesas,du: Document Renesas R-Car R8A779MD M3Le

[Marek Vasut]

Extend the Renesas DU display bindings to support the Renesas R-Car
R8A779MD M3Le SoC. This SoC is similar to R-Car R8A77965 M3-N SoC,
except the HDMI port@1 is not present.

Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
---
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: David Airlie <airlied@xxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Kieran Bingham <kieran.bingham+renesas@xxxxxxxxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Cc: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Maxime Ripard <mripard@xxxxxxxxxx>
Cc: Michael Turquette <mturquette@xxxxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Cc: Simona Vetter <simona@xxxxxxxx>
Cc: Stephen Boyd <sboyd@xxxxxxxxxx>
Cc: Thomas Zimmermann <tzimmermann@xxxxxxx>
Cc: Tomi Valkeinen <tomi.valkeinen+renesas@xxxxxxxxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: dri-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: linux-clk@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
---
 .../bindings/display/renesas,du.yaml          | 70 +++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/renesas,du.yaml b/Documentation/devicetree/bindings/display/renesas,du.yaml
index c27dfea7fc622..3c3667ff4a27f 100644
--- a/Documentation/devicetree/bindings/display/renesas,du.yaml
+++ b/Documentation/devicetree/bindings/display/renesas,du.yaml
@@ -42,6 +42,7 @@ properties:
       - renesas,du-r8a779a0 # for R-Car V3U compatible DU
       - renesas,du-r8a779g0 # for R-Car V4H compatible DU
       - renesas,du-r8a779h0 # for R-Car V4M compatible DU
+      - renesas,du-r8a779md # for R-Car M3Le compatible DU
 
   reg:
     maxItems: 1
@@ -890,6 +891,75 @@ allOf:
         - reset-names
         - renesas,vsps
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - renesas,du-r8a779md
+    then:
+      properties:
+        clocks:
+          minItems: 3
+          items:
+            - description: Functional clock for DU0
+            - description: Functional clock for DU1
+            - description: Functional clock for DU3
+            - description: DU_DOTCLKIN0 input clock
+            - description: DU_DOTCLKIN1 input clock
+            - description: DU_DOTCLKIN3 input clock
+
+        clock-names:
+          minItems: 3
+          items:
+            - const: du.0
+            - const: du.1
+            - const: du.3
+            - pattern: '^dclkin\.[013]$'
+            - pattern: '^dclkin\.[013]$'
+            - pattern: '^dclkin\.[013]$'
+
+        interrupts:
+          minItems: 3
+          maxItems: 3
+
+        resets:
+          minItems: 2
+          maxItems: 2
+
+        reset-names:
+          items:
+            - const: du.0
+            - const: du.3
+
+        ports:
+          properties:
+            port@0:
+              description: DPAD 0
+            port@1: false
+            port@2:
+              description: LVDS 0
+            port@3: false
+
+          required:
+            - port@0
+            - port@2
+
+        renesas,cmms:
+          minItems: 3
+          maxItems: 3
+
+        renesas,vsps:
+          minItems: 3
+          maxItems: 3
+
+      required:
+        - clock-names
+        - interrupts
+        - resets
+        - reset-names
+        - renesas,vsps
+
 additionalProperties: false
 
 examples:
-- 
2.53.0