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[v7,3/5] media: dt-bindings: rockchip: Document RK3399 Video Decoder bindings

Message ID 20200330014616.10621-4-ezequiel@collabora.com
State New
Headers show
Series [v7,1/5] media: v4l2-core: Add helpers to build the H264 P/B0/B1 reflists | expand

Commit Message

Ezequiel Garcia March 30, 2020, 1:46 a.m. UTC 
From: Boris Brezillon <boris.brezillon@collabora.com>

Document the Rockchip RK3399 Video Decoder bindings.

Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.com>
---
 .../bindings/media/rockchip,vdec.yaml         | 73 +++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/rockchip,vdec.yaml
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diff --git a/Documentation/devicetree/bindings/media/rockchip,vdec.yaml b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
new file mode 100644
index 000000000000..0c68cdad9a31
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+++ b/Documentation/devicetree/bindings/media/rockchip,vdec.yaml
@@ -0,0 +1,73 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/media/rockchip,vdec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip Video Decoder (VDec) Device Tree Bindings
+
+maintainers:
+  - Heiko Stuebner <heiko@sntech.de>
+
+description: |-
+  The Rockchip rk3399 has a stateless Video Decoder that can decodes H.264,
+  HEVC an VP9 streams.
+
+properties:
+  compatible:
+    const: rockchip,rk3399-vdec
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 1
+
+  clocks:
+    items:
+      - description: The Video Decoder AXI interface clock
+      - description: The Video Decoder AHB interface clock
+      - description: The Video Decoded CABAC clock
+      - description: The Video Decoder core clock
+
+  clock-names:
+    items:
+      - const: axi
+      - const: ahb
+      - const: cabac
+      - const: core
+
+  power-domains:
+    maxItems: 1
+
+  iommus:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - power-domains
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/rk3399-cru.h>
+    #include <dt-bindings/power/rk3399-power.h>
+
+    vdec: video-codec@ff660000 {
+        compatible = "rockchip,rk3399-vdec";
+        reg = <0x0 0xff660000 0x0 0x400>;
+        interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
+        clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
+                 <&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;
+        clock-names = "axi", "ahb", "cabac", "core";
+        power-domains = <&power RK3399_PD_VDU>;
+        iommus = <&vdec_mmu>;
+    };
+
+...