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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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a5c4a65264
The video decoder in RK3576 (vdpu383) is described the same way as the one in RK3588 (vdpu381). A new compatible is added as the driver implementation will be different. Signed-off-by: Detlev Casanova <detlev.casanova@collabora.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Nicolas Dufresne <nicolas.dufresne@collabora.com> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
158 lines
3.6 KiB
YAML
158 lines
3.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/media/rockchip,vdec.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Rockchip Video Decoder (VDec)
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maintainers:
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- Heiko Stuebner <heiko@sntech.de>
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description: |-
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Rockchip SoCs have variants of the same stateless Video Decoder that can
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decodes H.264, HEVC, VP9 and AV1 streams, depending on the variant.
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properties:
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compatible:
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oneOf:
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- const: rockchip,rk3399-vdec
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- const: rockchip,rk3576-vdec
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- const: rockchip,rk3588-vdec
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- items:
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- enum:
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- rockchip,rk3228-vdec
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- rockchip,rk3328-vdec
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- const: rockchip,rk3399-vdec
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reg:
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minItems: 1
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items:
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- description: The function configuration registers base
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- description: The link table configuration registers base
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- description: The cache configuration registers base
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reg-names:
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items:
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- const: function
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- const: link
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- const: cache
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interrupts:
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maxItems: 1
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clocks:
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minItems: 4
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items:
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- description: The Video Decoder AXI interface clock
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- description: The Video Decoder AHB interface clock
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- description: The Video Decoded CABAC clock
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- description: The Video Decoder core clock
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- description: The Video decoder HEVC CABAC clock
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clock-names:
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minItems: 4
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items:
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- const: axi
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- const: ahb
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- const: cabac
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- const: core
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- const: hevc_cabac
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assigned-clocks: true
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assigned-clock-rates: true
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resets:
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items:
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- description: The Video Decoder AXI interface reset
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- description: The Video Decoder AHB interface reset
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- description: The Video Decoded CABAC reset
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- description: The Video Decoder core reset
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- description: The Video decoder HEVC CABAC reset
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reset-names:
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items:
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- const: axi
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- const: ahb
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- const: cabac
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- const: core
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- const: hevc_cabac
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power-domains:
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maxItems: 1
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iommus:
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maxItems: 1
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sram:
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$ref: /schemas/types.yaml#/definitions/phandle
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description: |
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phandle to a reserved on-chip SRAM regions.
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Some SoCs, like rk3588 provide on-chip SRAM to store temporary
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buffers during decoding.
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required:
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- compatible
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- reg
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- interrupts
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- clocks
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- clock-names
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- power-domains
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allOf:
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- if:
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properties:
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compatible:
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contains:
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enum:
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- rockchip,rk3576-vdec
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- rockchip,rk3588-vdec
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then:
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properties:
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reg:
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minItems: 3
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reg-names:
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minItems: 3
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clocks:
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minItems: 5
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clock-names:
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minItems: 5
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resets:
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minItems: 5
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reset-names:
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minItems: 5
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else:
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properties:
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reg:
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maxItems: 1
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reg-names: false
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clocks:
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maxItems: 4
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clock-names:
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maxItems: 4
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resets: false
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reset-names: false
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sram: false
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/clock/rk3399-cru.h>
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#include <dt-bindings/power/rk3399-power.h>
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vdec: video-codec@ff660000 {
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compatible = "rockchip,rk3399-vdec";
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reg = <0xff660000 0x400>;
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interrupts = <GIC_SPI 116 IRQ_TYPE_LEVEL_HIGH 0>;
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clocks = <&cru ACLK_VDU>, <&cru HCLK_VDU>,
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<&cru SCLK_VDU_CA>, <&cru SCLK_VDU_CORE>;
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clock-names = "axi", "ahb", "cabac", "core";
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power-domains = <&power RK3399_PD_VDU>;
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iommus = <&vdec_mmu>;
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};
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...
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