dt-bindings: media: rockchip,rk3588-vicap: add rk3576 support

The RK3576 VICAP uses the same register layout and clock setup as the
RK3588 one, with two differences: it has five MIPI CSI-2 input ports
instead of six and no DVP parallel port.

Extend the existing RK3588 binding rather than adding a separate file:
add the rockchip,rk3576-vicap compatible and an allOf/if-then block that
drops the DVP port@0 and the sixth MIPI port@6, and caps resets at eight,
when that compatible is used.

Signed-off-by: Jason Devers <dev.json2@gmail.com>

Author: hz2

Documentation/devicetree/bindings/media/rockchip,rk3588-vicap.yaml

@@ -4,21 +4,23 @@
 $id: http://devicetree.org/schemas/media/rockchip,rk3588-vicap.yaml#
 $schema: http://devicetree.org/meta-schemas/core.yaml#
 
-title: Rockchip RK3588 Video Capture (VICAP)
+title: Rockchip RK3576 and RK3588 Video Capture (VICAP)
 
 maintainers:
   - Michael Riesch <michael.riesch@collabora.com>
 
 description:
-  The Rockchip RK3588 Video Capture (VICAP) block features a digital video
-  port (DVP, a parallel video interface) and six MIPI CSI-2 ports. It receives
-  the data from camera sensors, video decoders, or other companion ICs and
-  transfers it into system main memory by AXI bus and/or passes it the image
-  signal processing (ISP) blocks.
+  The Rockchip Video Capture (VICAP) block receives data from camera sensors,
+  video decoders, or other companion ICs and transfers it into system main
+  memory by AXI bus and/or passes it to the image signal processing (ISP)
+  blocks. On RK3588 it features a digital video port (DVP, a parallel video
+  interface) and six MIPI CSI-2 ports. RK3576 has no DVP and five MIPI CSI-2
+  ports.
 
 properties:
   compatible:
     enum:
+      - rockchip,rk3576-vicap
       - rockchip,rk3588-vicap
 
   reg:
@@ -47,6 +49,7 @@ properties:
     maxItems: 1
 
   resets:
+    minItems: 8
     maxItems: 9
 
   rockchip,grf:
@@ -63,7 +66,8 @@ properties:
       port@0:
         $ref: /schemas/graph.yaml#/$defs/port-base
         unevaluatedProperties: false
-        description: The digital video port (DVP, a parallel video interface).
+        description:
+          The digital video port (DVP, a parallel video interface). RK3588 only.
 
         properties:
           endpoint:
@@ -124,7 +128,8 @@ properties:
 
       port@6:
         $ref: /schemas/graph.yaml#/properties/port
-        description: Port connected to the MIPI CSI-2 receiver 5 output.
+        description:
+          Port connected to the MIPI CSI-2 receiver 5 output. RK3588 only.
 
         properties:
           endpoint:
@@ -138,6 +143,25 @@ required:
   - clocks
   - ports
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: rockchip,rk3576-vicap
+    then:
+      properties:
+        resets:
+          maxItems: 8
+        ports:
+          properties:
+            port@0: false
+            port@6: false
+    else:
+      properties:
+        resets:
+          minItems: 9
+
 additionalProperties: false
 
 examples: