mirror of https://gitee.com/openkylin/linux.git
141 lines
2.9 KiB
YAML
141 lines
2.9 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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$id: "http://devicetree.org/schemas/media/qcom,sc7180-venus.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Qualcomm Venus video encode and decode accelerators
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maintainers:
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- Stanimir Varbanov <stanimir.varbanov@linaro.org>
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description: |
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The Venus IP is a video encode and decode accelerator present
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on Qualcomm platforms
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properties:
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compatible:
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const: qcom,sc7180-venus
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reg:
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maxItems: 1
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interrupts:
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maxItems: 1
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power-domains:
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maxItems: 2
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power-domain-names:
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items:
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- const: venus
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- const: vcodec0
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clocks:
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maxItems: 5
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clock-names:
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items:
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- const: core
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- const: iface
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- const: bus
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- const: vcodec0_core
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- const: vcodec0_bus
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iommus:
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maxItems: 1
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memory-region:
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maxItems: 1
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interconnects:
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maxItems: 2
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interconnect-names:
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items:
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- const: video-mem
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- const: cpu-cfg
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video-decoder:
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type: object
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properties:
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compatible:
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const: venus-decoder
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required:
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- compatible
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additionalProperties: false
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video-encoder:
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type: object
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properties:
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compatible:
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const: venus-encoder
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required:
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- compatible
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additionalProperties: false
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video-firmware:
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type: object
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description: |
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Firmware subnode is needed when the platform does not
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have TrustZone.
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properties:
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iommus:
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maxItems: 1
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required:
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- iommus
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required:
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- compatible
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- reg
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- interrupts
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- power-domains
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- power-domain-names
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- clocks
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- clock-names
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- iommus
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- memory-region
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- video-decoder
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- video-encoder
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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/qcom,videocc-sc7180.h>
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venus: video-codec@aa00000 {
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compatible = "qcom,sc7180-venus";
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reg = <0x0aa00000 0xff000>;
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interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
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power-domains = <&videocc VENUS_GDSC>,
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<&videocc VCODEC0_GDSC>;
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power-domain-names = "venus", "vcodec0";
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clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
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<&videocc VIDEO_CC_VENUS_AHB_CLK>,
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<&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
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<&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
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<&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
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clock-names = "core", "iface", "bus",
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"vcodec0_core", "vcodec0_bus";
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iommus = <&apps_smmu 0x0c00 0x60>;
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memory-region = <&venus_mem>;
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video-decoder {
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compatible = "venus-decoder";
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};
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video-encoder {
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compatible = "venus-encoder";
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};
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};
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