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|
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/media/qcom,sc7180-venus.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"
title: Qualcomm Venus video encode and decode accelerators
maintainers:
- Stanimir Varbanov <stanimir.varbanov@linaro.org>
description: |
The Venus IP is a video encode and decode accelerator present
on Qualcomm platforms
properties:
compatible:
const: qcom,sc7180-venus
reg:
maxItems: 1
interrupts:
maxItems: 1
power-domains:
minItems: 2
maxItems: 3
power-domain-names:
minItems: 2
items:
- const: venus
- const: vcodec0
- const: cx
clocks:
maxItems: 5
clock-names:
items:
- const: core
- const: iface
- const: bus
- const: vcodec0_core
- const: vcodec0_bus
iommus:
maxItems: 1
memory-region:
maxItems: 1
interconnects:
maxItems: 2
interconnect-names:
items:
- const: video-mem
- const: cpu-cfg
video-decoder:
type: object
properties:
compatible:
const: venus-decoder
required:
- compatible
additionalProperties: false
video-encoder:
type: object
properties:
compatible:
const: venus-encoder
required:
- compatible
additionalProperties: false
video-firmware:
type: object
description: |
Firmware subnode is needed when the platform does not
have TrustZone.
properties:
iommus:
maxItems: 1
required:
- iommus
required:
- compatible
- reg
- interrupts
- power-domains
- power-domain-names
- clocks
- clock-names
- iommus
- memory-region
- video-decoder
- video-encoder
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,videocc-sc7180.h>
venus: video-codec@aa00000 {
compatible = "qcom,sc7180-venus";
reg = <0x0aa00000 0xff000>;
interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>;
power-domains = <&videocc VENUS_GDSC>,
<&videocc VCODEC0_GDSC>;
power-domain-names = "venus", "vcodec0";
clocks = <&videocc VIDEO_CC_VENUS_CTL_CORE_CLK>,
<&videocc VIDEO_CC_VENUS_AHB_CLK>,
<&videocc VIDEO_CC_VENUS_CTL_AXI_CLK>,
<&videocc VIDEO_CC_VCODEC0_CORE_CLK>,
<&videocc VIDEO_CC_VCODEC0_AXI_CLK>;
clock-names = "core", "iface", "bus",
"vcodec0_core", "vcodec0_bus";
iommus = <&apps_smmu 0x0c00 0x60>;
memory-region = <&venus_mem>;
video-decoder {
compatible = "venus-decoder";
};
video-encoder {
compatible = "venus-encoder";
};
};
|
