xref: /freebsd/sys/contrib/device-tree/Bindings/display/mediatek/mediatek,dpi.yaml (revision 924226fba12cc9a228c73b956e1b7fa24c60b055) 
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 Controller Device Tree Bindings
8
9maintainers:
10  - CK Hu <ck.hu@mediatek.com>
11  - Jitao shi <jitao.shi@mediatek.com>
12
13description: |
14  The Mediatek DPI function block is a sink of the display subsystem and
15  provides 8-bit RGB/YUV444 or 8/10/10-bit YUV422 pixel data on a parallel
16  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,mt8192-dpi
26
27  reg:
28    maxItems: 1
29
30  interrupts:
31    maxItems: 1
32
33  clocks:
34    items:
35      - description: Pixel Clock
36      - description: Engine Clock
37      - description: DPI PLL
38
39  clock-names:
40    items:
41      - const: pixel
42      - const: engine
43      - const: pll
44
45  pinctrl-0: true
46  pinctrl-1: true
47
48  pinctrl-names:
49    items:
50      - const: default
51      - const: sleep
52
53  port:
54    $ref: /schemas/graph.yaml#/properties/port
55    description:
56      Output port node. This port should be connected to the input port of an
57      attached HDMI or LVDS encoder chip.
58
59required:
60  - compatible
61  - reg
62  - interrupts
63  - clocks
64  - clock-names
65  - port
66
67additionalProperties: false
68
69examples:
70  - |
71    #include <dt-bindings/interrupt-controller/arm-gic.h>
72    #include <dt-bindings/clock/mt8173-clk.h>
73    #include <dt-bindings/interrupt-controller/arm-gic.h>
74    #include <dt-bindings/interrupt-controller/irq.h>
75    dpi0: dpi@1401d000 {
76        compatible = "mediatek,mt8173-dpi";
77        reg = <0x1401d000 0x1000>;
78        interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
79        clocks = <&mmsys CLK_MM_DPI_PIXEL>,
80             <&mmsys CLK_MM_DPI_ENGINE>,
81             <&apmixedsys CLK_APMIXED_TVDPLL>;
82        clock-names = "pixel", "engine", "pll";
83        pinctrl-names = "default", "sleep";
84        pinctrl-0 = <&dpi_pin_func>;
85        pinctrl-1 = <&dpi_pin_idle>;
86
87        port {
88            dpi0_out: endpoint {
89                remote-endpoint = <&hdmi0_in>;
90            };
91        };
92    };
93
94...
95