ZhiHe A210: add peripheral support (GPIO/timers/I2C/SPI/DMA)

Documentation/devicetree/bindings/dma/snps,dw-axi-dmac.yaml

@@ -14,13 +14,35 @@ description:
 
 allOf:
   - $ref: dma-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: zhihe,a210-axi-dma
+    then:
+      properties:
+        dma-channels:
+          maximum: 16
+        snps,priority:
+          maxItems: 16
+        snps,block-size:
+          maxItems: 16
+    else:
+      properties:
+        dma-channels:
+          maximum: 8
+        snps,priority:
+          maxItems: 8
+        snps,block-size:
+          maxItems: 8
 
 properties:
   compatible:
     enum:
       - snps,axi-dma-1.01a
       - intel,kmb-axi-dma
       - starfive,jh7110-axi-dma
+      - zhihe,a210-axi-dma
 
   reg:
     minItems: 1
@@ -56,7 +78,7 @@ properties:
 
   dma-channels:
     minimum: 1
-    maximum: 8
+    maximum: 16
 
   resets:
     minItems: 1
@@ -80,14 +102,14 @@ properties:
       Channel priority specifier associated with the DMA channels.
     $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 1
-    maxItems: 8
+    maxItems: 16
 
   snps,block-size:
     description: |
       Channel block size specifier associated with the DMA channels.
     $ref: /schemas/types.yaml#/definitions/uint32-array
     minItems: 1
-    maxItems: 8
+    maxItems: 16
 
   snps,axi-max-burst-len:
     description: |
@@ -117,6 +139,7 @@ if:
       contains:
         enum:
           - starfive,jh7110-axi-dma
+          - zhihe,a210-axi-dma
 then:
   properties:
     resets:

arch/riscv/boot/dts/zhihe/a210-evb.dts

@@ -527,3 +527,7 @@
 };
 
 /delete-node/ &power;
+
+&peri3_gpio {
+	status = "disabled";
+};