[PATCH 17/22] dt-bindings: media: Add Allwinner A31 ISP bindings documentation

[Paul Kocialkowski <paul.kocialkowski@bootlin.com>]

This introduces YAML bindings documentation for the Allwinner A31 Image
Signal Processor (ISP).

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
---
 .../media/allwinner,sun6i-a31-csi.yaml        |   2 +-
 .../media/allwinner,sun6i-a31-isp.yaml        | 111 ++++++++++++++++++
 2 files changed, 112 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml

diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
index f4a686b77a38..c60f6b5403fa 100644
--- a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
+++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-csi.yaml
@@ -1,4 +1,4 @@
-# SPDX-License-Identifier: GPL-2.0
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
 %YAML 1.2
 ---
 $id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-csi.yaml#
diff --git a/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
new file mode 100644
index 000000000000..a0f82f150e90
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/allwinner,sun6i-a31-isp.yaml
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/allwinner,sun6i-a31-isp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Allwinner A31 Image Signal Processor Driver (ISP) Device Tree Bindings
+
+maintainers:
+  - Paul Kocialkowski <paul.kocialkowski@bootlin.com>
+
+properties:
+  compatible:
+    enum:
+      - allwinner,sun6i-a31-isp
+      - allwinner,sun8i-v3s-isp
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: Bus Clock
+      - description: Module Clock
+      - description: DRAM Clock
+
+  clock-names:
+    items:
+      - const: bus
+      - const: mod
+      - const: ram
+
+  resets:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        description: CSI0 input port
+
+        properties:
+          reg:
+            const: 0
+
+          endpoint:
+            $ref: video-interfaces.yaml#
+            unevaluatedProperties: false
+
+        additionalProperties: false
+
+      port@1:
+        $ref: /schemas/graph.yaml#/$defs/port-base
+        description: CSI1 input port
+
+        properties:
+          reg:
+            const: 0
+
+          endpoint:
+            $ref: video-interfaces.yaml#
+            unevaluatedProperties: false
+
+        additionalProperties: false
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - resets
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/sun8i-v3s-ccu.h>
+    #include <dt-bindings/reset/sun8i-v3s-ccu.h>
+
+    isp: isp@1cb8000 {
+        compatible = "allwinner,sun8i-v3s-isp";
+        reg = <0x01cb8000 0x1000>;
+        interrupts = <GIC_SPI 83 IRQ_TYPE_LEVEL_HIGH>;
+        clocks = <&ccu CLK_BUS_CSI>,
+             <&ccu CLK_CSI1_SCLK>,
+             <&ccu CLK_DRAM_CSI>;
+        clock-names = "bus", "mod", "ram";
+        resets = <&ccu RST_BUS_CSI>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+
+                isp_in_csi0: endpoint {
+                    remote-endpoint = <&csi0_out_isp>;
+                };
+            };
+        };
+    };
+
+...
-- 
2.32.0