xref: /linux/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.yaml (revision 34069d12e239ae8f36dd96c378e4622fb1c42a76) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/mediatek/mediatek,dsi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MediaTek DSI Controller
8
9maintainers:
10  - Chun-Kuang Hu <chunkuang.hu@kernel.org>
11  - Philipp Zabel <p.zabel@pengutronix.de>
12  - Jitao Shi <jitao.shi@mediatek.com>
13  - Xinlei Lee <xinlei.lee@mediatek.com>
14
15description: |
16  The MediaTek DSI function block is a sink of the display subsystem and can
17  drive up to 4-lane MIPI DSI output. Two DSIs can be synchronized for dual-
18  channel output.
19
20allOf:
21  - $ref: /schemas/display/dsi-controller.yaml#
22
23properties:
24  compatible:
25    oneOf:
26      - enum:
27          - mediatek,mt2701-dsi
28          - mediatek,mt7623-dsi
29          - mediatek,mt8167-dsi
30          - mediatek,mt8173-dsi
31          - mediatek,mt8183-dsi
32          - mediatek,mt8186-dsi
33      - items:
34          - enum:
35              - mediatek,mt6795-dsi
36          - const: mediatek,mt8173-dsi
37
38  reg:
39    maxItems: 1
40
41  interrupts:
42    maxItems: 1
43
44  power-domains:
45    maxItems: 1
46
47  clocks:
48    items:
49      - description: Engine Clock
50      - description: Digital Clock
51      - description: HS Clock
52
53  clock-names:
54    items:
55      - const: engine
56      - const: digital
57      - const: hs
58
59  resets:
60    maxItems: 1
61
62  phys:
63    maxItems: 1
64
65  phy-names:
66    items:
67      - const: dphy
68
69  port:
70    $ref: /schemas/graph.yaml#/properties/port
71    description:
72      Output port node. This port should be connected to the input
73      port of an attached DSI panel or DSI-to-eDP encoder chip.
74
75required:
76  - compatible
77  - reg
78  - interrupts
79  - power-domains
80  - clocks
81  - clock-names
82  - phys
83  - phy-names
84  - port
85
86unevaluatedProperties: false
87
88examples:
89  - |
90    #include <dt-bindings/clock/mt8183-clk.h>
91    #include <dt-bindings/interrupt-controller/arm-gic.h>
92    #include <dt-bindings/interrupt-controller/irq.h>
93    #include <dt-bindings/power/mt8183-power.h>
94    #include <dt-bindings/phy/phy.h>
95    #include <dt-bindings/reset/mt8183-resets.h>
96
97    soc {
98        #address-cells = <2>;
99        #size-cells = <2>;
100
101        dsi0: dsi@14014000 {
102            compatible = "mediatek,mt8183-dsi";
103            reg = <0 0x14014000 0 0x1000>;
104            interrupts = <GIC_SPI 236 IRQ_TYPE_LEVEL_LOW>;
105            power-domains = <&spm MT8183_POWER_DOMAIN_DISP>;
106            clocks = <&mmsys CLK_MM_DSI0_MM>,
107                <&mmsys CLK_MM_DSI0_IF>,
108                <&mipi_tx0>;
109            clock-names = "engine", "digital", "hs";
110            resets = <&mmsys MT8183_MMSYS_SW0_RST_B_DISP_DSI0>;
111            phys = <&mipi_tx0>;
112            phy-names = "dphy";
113            port {
114                dsi0_out: endpoint {
115                    remote-endpoint = <&panel_in>;
116                };
117            };
118        };
119    };
120
121...
122