# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/media/mediatek,vcodec-decoder.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Mediatek Video Decode Accelerator
maintainers:
- Yunfei Dong <[email protected]>
description: |+
Mediatek Video Decode is the video decode hardware present in Mediatek
SoCs which supports high resolution decoding functionalities.
properties:
compatible:
enum:
- mediatek,mt8173-vcodec-dec
- mediatek,mt8183-vcodec-dec
reg:
minItems: 11
maxItems: 11
reg-names:
items:
- const: misc
- const: ld
- const: top
- const: cm
- const: ad
- const: av
- const: pp
- const: hwd
- const: hwq
- const: hwb
- const: hwg
interrupts:
maxItems: 1
clocks:
minItems: 1
maxItems: 8
clock-names:
minItems: 1
maxItems: 8
assigned-clocks: true
assigned-clock-parents: true
assigned-clock-rates: true
power-domains:
maxItems: 1
iommus:
minItems: 1
maxItems: 32
description: |
List of the hardware port in respective IOMMU block for current Socs.
Refer to bindings/iommu/mediatek,iommu.yaml.
mediatek,vpu:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Describes point to vpu.
mediatek,scp:
$ref: /schemas/types.yaml#/definitions/phandle
description:
Describes point to scp.
mediatek,vdecsys:
$ref: /schemas/types.yaml#/definitions/phandle
description: Phandle to the vdecsys syscon node.
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- iommus
- mediatek,vdecsys
allOf:
- if:
properties:
compatible:
contains:
enum:
- mediatek,mt8183-vcodec-dec
then:
required:
- mediatek,scp
properties:
clocks:
minItems: 1
maxItems: 1
clock-names:
items:
- const: vdec
- if:
properties:
compatible:
contains:
enum:
- mediatek,mt8173-vcodec-dec
then:
required:
- mediatek,vpu
properties:
clocks:
minItems: 8
maxItems: 8
clock-names:
items:
- const: vcodecpll
- const: univpll_d2
- const: clk_cci400_sel
- const: vdec_sel
- const: vdecpll
- const: vencpll
- const: venc_lt_sel
- const: vdec_bus_clk_src
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/mt8173-clk.h>
#include <dt-bindings/memory/mt8173-larb-port.h>
#include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/power/mt8173-power.h>
vcodec_dec: vcodec@16020000 {
compatible = "mediatek,mt8173-vcodec-dec";
reg = <0x16020000 0x1000>, /*VDEC_MISC*/
<0x16021000 0x800>, /*VDEC_LD*/
<0x16021800 0x800>, /*VDEC_TOP*/
<0x16022000 0x1000>, /*VDEC_CM*/
<0x16023000 0x1000>, /*VDEC_AD*/
<0x16024000 0x1000>, /*VDEC_AV*/
<0x16025000 0x1000>, /*VDEC_PP*/
<0x16026800 0x800>, /*VP8_VD*/
<0x16027000 0x800>, /*VP6_VD*/
<0x16027800 0x800>, /*VP8_VL*/
<0x16028400 0x400>; /*VP9_VD*/
interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_LOW>;
iommus = <&iommu M4U_PORT_HW_VDEC_MC_EXT>,
<&iommu M4U_PORT_HW_VDEC_PP_EXT>,
<&iommu M4U_PORT_HW_VDEC_AVC_MV_EXT>,
<&iommu M4U_PORT_HW_VDEC_PRED_RD_EXT>,
<&iommu M4U_PORT_HW_VDEC_PRED_WR_EXT>,
<&iommu M4U_PORT_HW_VDEC_UFO_EXT>,
<&iommu M4U_PORT_HW_VDEC_VLD_EXT>,
<&iommu M4U_PORT_HW_VDEC_VLD2_EXT>;
mediatek,vpu = <&vpu>;
mediatek,vdecsys = <&vdecsys>;
power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
clocks = <&apmixedsys CLK_APMIXED_VCODECPLL>,
<&topckgen CLK_TOP_UNIVPLL_D2>,
<&topckgen CLK_TOP_CCI400_SEL>,
<&topckgen CLK_TOP_VDEC_SEL>,
<&topckgen CLK_TOP_VCODECPLL>,
<&apmixedsys CLK_APMIXED_VENCPLL>,
<&topckgen CLK_TOP_VENC_LT_SEL>,
<&topckgen CLK_TOP_VCODECPLL_370P5>;
clock-names = "vcodecpll",
"univpll_d2",
"clk_cci400_sel",
"vdec_sel",
"vdecpll",
"vencpll",
"venc_lt_sel",
"vdec_bus_clk_src";
assigned-clocks = <&topckgen CLK_TOP_VENC_LT_SEL>,
<&topckgen CLK_TOP_CCI400_SEL>,
<&topckgen CLK_TOP_VDEC_SEL>,
<&apmixedsys CLK_APMIXED_VCODECPLL>,
<&apmixedsys CLK_APMIXED_VENCPLL>;
assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL_370P5>,
<&topckgen CLK_TOP_UNIVPLL_D2>,
<&topckgen CLK_TOP_VCODECPLL>;
assigned-clock-rates = <0>, <0>, <0>, <1482000000>, <800000000>;
};
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