1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/media/mediatek,vcodec-decoder.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Mediatek Video Decode Accelerator
8
9maintainers:
10  - Yunfei Dong <[email protected]>
11
12description: |+
13  Mediatek Video Decode is the video decode hardware present in Mediatek
14  SoCs which supports high resolution decoding functionalities.
15
16properties:
17  compatible:
18    enum:
19      - mediatek,mt8173-vcodec-dec
20      - mediatek,mt8183-vcodec-dec
21
22  reg:
23    minItems: 11
24    maxItems: 11
25
26  reg-names:
27    items:
28      - const: misc
29      - const: ld
30      - const: top
31      - const: cm
32      - const: ad
33      - const: av
34      - const: pp
35      - const: hwd
36      - const: hwq
37      - const: hwb
38      - const: hwg
39
40  interrupts:
41    maxItems: 1
42
43  clocks:
44    minItems: 1
45    maxItems: 8
46
47  clock-names:
48    minItems: 1
49    maxItems: 8
50
51  assigned-clocks: true
52
53  assigned-clock-parents: true
54
55  assigned-clock-rates: true
56
57  power-domains:
58    maxItems: 1
59
60  iommus:
61    minItems: 1
62    maxItems: 32
63    description: |
64      List of the hardware port in respective IOMMU block for current Socs.
65      Refer to bindings/iommu/mediatek,iommu.yaml.
66
67  mediatek,vpu:
68    $ref: /schemas/types.yaml#/definitions/phandle
69    description:
70      Describes point to vpu.
71
72  mediatek,scp:
73    $ref: /schemas/types.yaml#/definitions/phandle
74    description:
75      Describes point to scp.
76
77  mediatek,vdecsys:
78    $ref: /schemas/types.yaml#/definitions/phandle
79    description: Phandle to the vdecsys syscon node.
80
81required:
82  - compatible
83  - reg
84  - interrupts
85  - clocks
86  - clock-names
87  - iommus
88  - mediatek,vdecsys
89
90allOf:
91  - if:
92      properties:
93        compatible:
94          contains:
95            enum:
96              - mediatek,mt8183-vcodec-dec
97
98    then:
99      required:
100        - mediatek,scp
101
102      properties:
103        clocks:
104          minItems: 1
105          maxItems: 1
106
107        clock-names:
108          items:
109            - const: vdec
110
111  - if:
112      properties:
113        compatible:
114          contains:
115            enum:
116              - mediatek,mt8173-vcodec-dec
117
118    then:
119      required:
120        - mediatek,vpu
121
122      properties:
123        clocks:
124          minItems: 8
125          maxItems: 8
126
127        clock-names:
128          items:
129            - const: vcodecpll
130            - const: univpll_d2
131            - const: clk_cci400_sel
132            - const: vdec_sel
133            - const: vdecpll
134            - const: vencpll
135            - const: venc_lt_sel
136            - const: vdec_bus_clk_src
137
138additionalProperties: false
139
140examples:
141  - |
142    #include <dt-bindings/interrupt-controller/arm-gic.h>
143    #include <dt-bindings/clock/mt8173-clk.h>
144    #include <dt-bindings/memory/mt8173-larb-port.h>
145    #include <dt-bindings/interrupt-controller/irq.h>
146    #include <dt-bindings/power/mt8173-power.h>
147
148    vcodec_dec: vcodec@16020000 {
149      compatible = "mediatek,mt8173-vcodec-dec";
150      reg = <0x16020000 0x1000>,  /*VDEC_MISC*/
151          <0x16021000 0x800>,   /*VDEC_LD*/
152          <0x16021800 0x800>,   /*VDEC_TOP*/
153          <0x16022000 0x1000>,  /*VDEC_CM*/
154          <0x16023000 0x1000>,  /*VDEC_AD*/
155          <0x16024000 0x1000>,  /*VDEC_AV*/
156          <0x16025000 0x1000>,  /*VDEC_PP*/
157          <0x16026800 0x800>,   /*VP8_VD*/
158          <0x16027000 0x800>,   /*VP6_VD*/
159          <0x16027800 0x800>,   /*VP8_VL*/
160          <0x16028400 0x400>;   /*VP9_VD*/
161      interrupts = <GIC_SPI 204 IRQ_TYPE_LEVEL_LOW>;
162      iommus = <&iommu M4U_PORT_HW_VDEC_MC_EXT>,
163             <&iommu M4U_PORT_HW_VDEC_PP_EXT>,
164             <&iommu M4U_PORT_HW_VDEC_AVC_MV_EXT>,
165             <&iommu M4U_PORT_HW_VDEC_PRED_RD_EXT>,
166             <&iommu M4U_PORT_HW_VDEC_PRED_WR_EXT>,
167             <&iommu M4U_PORT_HW_VDEC_UFO_EXT>,
168             <&iommu M4U_PORT_HW_VDEC_VLD_EXT>,
169             <&iommu M4U_PORT_HW_VDEC_VLD2_EXT>;
170      mediatek,vpu = <&vpu>;
171      mediatek,vdecsys = <&vdecsys>;
172      power-domains = <&scpsys MT8173_POWER_DOMAIN_VDEC>;
173      clocks = <&apmixedsys CLK_APMIXED_VCODECPLL>,
174             <&topckgen CLK_TOP_UNIVPLL_D2>,
175             <&topckgen CLK_TOP_CCI400_SEL>,
176             <&topckgen CLK_TOP_VDEC_SEL>,
177             <&topckgen CLK_TOP_VCODECPLL>,
178             <&apmixedsys CLK_APMIXED_VENCPLL>,
179             <&topckgen CLK_TOP_VENC_LT_SEL>,
180             <&topckgen CLK_TOP_VCODECPLL_370P5>;
181      clock-names = "vcodecpll",
182                  "univpll_d2",
183                  "clk_cci400_sel",
184                  "vdec_sel",
185                  "vdecpll",
186                  "vencpll",
187                  "venc_lt_sel",
188                  "vdec_bus_clk_src";
189      assigned-clocks = <&topckgen CLK_TOP_VENC_LT_SEL>,
190                      <&topckgen CLK_TOP_CCI400_SEL>,
191                      <&topckgen CLK_TOP_VDEC_SEL>,
192                      <&apmixedsys CLK_APMIXED_VCODECPLL>,
193                      <&apmixedsys CLK_APMIXED_VENCPLL>;
194      assigned-clock-parents = <&topckgen CLK_TOP_VCODECPLL_370P5>,
195                             <&topckgen CLK_TOP_UNIVPLL_D2>,
196                             <&topckgen CLK_TOP_VCODECPLL>;
197      assigned-clock-rates = <0>, <0>, <0>, <1482000000>, <800000000>;
198    };
199