[PATCH v4 1/2] dt-bindings: display: bridge: cdns: Add display bridge support for dsi on StarFive JH7110 SoC

[Shengyang Chen <shengyang.chen@starfivetech.com>]

From: Keith Zhao <keith.zhao@starfivetech.com>

Add compatible to support dsi bridge on StarFive JH7110 SoC

Signed-off-by: Keith Zhao <keith.zhao@starfivetech.com>
Signed-off-by: Shengyang Chen <shengyang.chen@starfivetech.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
---
 .../bindings/display/bridge/cdns,dsi.yaml     | 56 ++++++++++++++++++-
 1 file changed, 54 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
index 23060324d16e..4ad0ecaacaae 100644
--- a/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,dsi.yaml
@@ -16,6 +16,7 @@ properties:
   compatible:
     enum:
       - cdns,dsi
+      - starfive,jh7110-dsi
       - ti,j721e-dsi
 
   reg:
@@ -27,14 +28,20 @@ properties:
           Register block for wrapper settings registers in case of TI J7 SoCs.
 
   clocks:
+    minItems: 2
     items:
       - description: PSM clock, used by the IP
       - description: sys clock, used by the IP
+      - description: dpi clock, used by the IP
+      - description: txesc clock, used by the IP
 
   clock-names:
+    minItems: 2
     items:
       - const: dsi_p_clk
       - const: dsi_sys_clk
+      - const: dpi
+      - const: txesc
 
   phys:
     maxItems: 1
@@ -46,10 +53,22 @@ properties:
     maxItems: 1
 
   resets:
-    maxItems: 1
+    minItems: 1
+    items:
+      - description: apb reset, associated to dsi_p_clk
+      - description: sys reset, associated to sys clock
+      - description: dpi reset, associated to dpi clock
+      - description: txesc reset, associated to txesc clock
+      - description: txbytehs reset, associated to txbytehs clock
 
   reset-names:
-    const: dsi_p_rst
+    minItems: 1
+    items:
+      - const: dsi_p_rst
+      - const: sys
+      - const: dpi
+      - const: txesc
+      - const: txbytehs
 
   ports:
     $ref: /schemas/graph.yaml#/properties/ports
@@ -90,6 +109,39 @@ allOf:
         reg:
           maxItems: 1
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: starfive,jh7110-dsi
+    then:
+      properties:
+        clocks:
+          minItems: 4
+          maxItems: 4
+        clock-names:
+          minItems: 4
+          maxItems: 4
+        resets:
+          minItems: 5
+          maxItems: 5
+        reset-names:
+          minItems: 5
+          maxItems: 5
+      required:
+        - resets
+        - reset-names
+    else:
+      properties:
+        clocks:
+          maxItems: 2
+        clock-names:
+          maxItems: 2
+        resets:
+          maxItems: 1
+        reset-names:
+          maxItems: 1
+
 required:
   - compatible
   - reg
-- 
2.17.1