xref: /freebsd/sys/contrib/device-tree/Bindings/display/mediatek/mediatek,dpi.yaml (revision fac71e4e09885bb2afa3d984a0c239a52e1a7418) 
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    enum:
21      - mediatek,mt2701-dpi
22      - mediatek,mt7623-dpi
23      - mediatek,mt8173-dpi
24      - mediatek,mt8183-dpi
25      - mediatek,mt8186-dpi
26      - mediatek,mt8188-dp-intf
27      - mediatek,mt8192-dpi
28      - mediatek,mt8195-dp-intf
29
30  reg:
31    maxItems: 1
32
33  interrupts:
34    maxItems: 1
35
36  clocks:
37    items:
38      - description: Pixel Clock
39      - description: Engine Clock
40      - description: DPI PLL
41
42  clock-names:
43    items:
44      - const: pixel
45      - const: engine
46      - const: pll
47
48  pinctrl-0: true
49  pinctrl-1: true
50
51  pinctrl-names:
52    items:
53      - const: default
54      - const: sleep
55
56  port:
57    $ref: /schemas/graph.yaml#/properties/port
58    description:
59      Output port node. This port should be connected to the input port of an
60      attached HDMI, LVDS or DisplayPort encoder chip.
61
62required:
63  - compatible
64  - reg
65  - interrupts
66  - clocks
67  - clock-names
68  - port
69
70additionalProperties: false
71
72examples:
73  - |
74    #include <dt-bindings/interrupt-controller/arm-gic.h>
75    #include <dt-bindings/clock/mt8173-clk.h>
76
77    dpi0: dpi@1401d000 {
78        compatible = "mediatek,mt8173-dpi";
79        reg = <0x1401d000 0x1000>;
80        interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
81        clocks = <&mmsys CLK_MM_DPI_PIXEL>,
82             <&mmsys CLK_MM_DPI_ENGINE>,
83             <&apmixedsys CLK_APMIXED_TVDPLL>;
84        clock-names = "pixel", "engine", "pll";
85        pinctrl-names = "default", "sleep";
86        pinctrl-0 = <&dpi_pin_func>;
87        pinctrl-1 = <&dpi_pin_idle>;
88
89        port {
90            dpi0_out: endpoint {
91                remote-endpoint = <&hdmi0_in>;
92            };
93        };
94    };
95
96...
97