xref: /linux/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml (revision 566ab427f827b0256d3e8ce0235d088e6a9c28bd) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/mediatek/mediatek,dpi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek DPI and DP_INTF Controller
8
9maintainers:
10  - CK Hu <ck.hu@mediatek.com>
11  - Jitao shi <jitao.shi@mediatek.com>
12
13description: |
14  The MediaTek DPI and DP_INTF function blocks are a sink of the display
15  subsystem and provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a
16  parallel output bus.
17
18properties:
19  compatible:
20    oneOf:
21      - enum:
22          - mediatek,mt2701-dpi
23          - mediatek,mt7623-dpi
24          - mediatek,mt8173-dpi
25          - mediatek,mt8183-dpi
26          - mediatek,mt8186-dpi
27          - mediatek,mt8188-dp-intf
28          - mediatek,mt8192-dpi
29          - mediatek,mt8195-dp-intf
30      - items:
31          - enum:
32              - mediatek,mt6795-dpi
33          - const: mediatek,mt8183-dpi
34      - items:
35          - enum:
36              - mediatek,mt8365-dpi
37          - const: mediatek,mt8192-dpi
38
39  reg:
40    maxItems: 1
41
42  interrupts:
43    maxItems: 1
44
45  clocks:
46    items:
47      - description: Pixel Clock
48      - description: Engine Clock
49      - description: DPI PLL
50
51  clock-names:
52    items:
53      - const: pixel
54      - const: engine
55      - const: pll
56
57  pinctrl-0: true
58  pinctrl-1: true
59
60  pinctrl-names:
61    items:
62      - const: default
63      - const: sleep
64
65  power-domains:
66    maxItems: 1
67
68  port:
69    $ref: /schemas/graph.yaml#/properties/port
70    description:
71      Output port node. This port should be connected to the input port of an
72      attached HDMI, LVDS or DisplayPort encoder chip.
73
74required:
75  - compatible
76  - reg
77  - interrupts
78  - clocks
79  - clock-names
80  - port
81
82allOf:
83  - if:
84      not:
85        properties:
86          compatible:
87            contains:
88              enum:
89                - mediatek,mt6795-dpi
90                - mediatek,mt8173-dpi
91                - mediatek,mt8186-dpi
92    then:
93      properties:
94        power-domains: false
95
96additionalProperties: false
97
98examples:
99  - |
100    #include <dt-bindings/interrupt-controller/arm-gic.h>
101    #include <dt-bindings/clock/mt8173-clk.h>
102
103    dpi0: dpi@1401d000 {
104        compatible = "mediatek,mt8173-dpi";
105        reg = <0x1401d000 0x1000>;
106        interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
107        clocks = <&mmsys CLK_MM_DPI_PIXEL>,
108             <&mmsys CLK_MM_DPI_ENGINE>,
109             <&apmixedsys CLK_APMIXED_TVDPLL>;
110        clock-names = "pixel", "engine", "pll";
111        pinctrl-names = "default", "sleep";
112        pinctrl-0 = <&dpi_pin_func>;
113        pinctrl-1 = <&dpi_pin_idle>;
114
115        port {
116            dpi0_out: endpoint {
117                remote-endpoint = <&hdmi0_in>;
118            };
119        };
120    };
121
122...
123