1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright (c) 2020 MediaTek
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/phy/mediatek,dsi-phy.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: MediaTek MIPI Display Serial Interface (DSI) PHY
9
10 maintainers:
11 - Chun-Kuang Hu <chunkuang.hu@kernel.org>
12 - Philipp Zabel <p.zabel@pengutronix.de>
13 - Chunfeng Yun <chunfeng.yun@mediatek.com>
14
15 description: The MIPI DSI PHY supports up to 4-lane output.
16
17 properties:
18 $nodename:
19 pattern: "^dsi-phy@[0-9a-f]+$"
20
21 compatible:
22 oneOf:
23 - items:
24 - enum:
25 - mediatek,mt7623-mipi-tx
26 - const: mediatek,mt2701-mipi-tx
27 - items:
28 - enum:
29 - mediatek,mt6795-mipi-tx
30 - const: mediatek,mt8173-mipi-tx
31 - items:
32 - enum:
33 - mediatek,mt8188-mipi-tx
34 - mediatek,mt8195-mipi-tx
35 - mediatek,mt8365-mipi-tx
36 - const: mediatek,mt8183-mipi-tx
37 - const: mediatek,mt2701-mipi-tx
38 - const: mediatek,mt8173-mipi-tx
39 - const: mediatek,mt8183-mipi-tx
40
41 reg:
42 maxItems: 1
43
44 clocks:
45 items:
46 - description: PLL reference clock
47
48 clock-output-names:
49 maxItems: 1
50
51 "#phy-cells":
52 const: 0
53
54 "#clock-cells":
55 const: 0
56
57 nvmem-cells:
58 maxItems: 1
59 description: A phandle to the calibration data provided by a nvmem device,
60 if unspecified, default values shall be used.
61
62 nvmem-cell-names:
63 items:
64 - const: calibration-data
65
66 drive-strength-microamp:
67 description: adjust driving current
68 multipleOf: 200
69 minimum: 2000
70 maximum: 6000
71 default: 4600
72
73 required:
74 - compatible
75 - reg
76 - clocks
77 - clock-output-names
78 - "#phy-cells"
79 - "#clock-cells"
80
81 additionalProperties: false
82
83 examples:
84 - |
85 #include <dt-bindings/clock/mt8173-clk.h>
86 dsi-phy@10215000 {
87 compatible = "mediatek,mt8173-mipi-tx";
88 reg = <0x10215000 0x1000>;
89 clocks = <&clk26m>;
90 clock-output-names = "mipi_tx0_pll";
91 drive-strength-microamp = <4000>;
92 nvmem-cells = <&mipi_tx_calibration>;
93 nvmem-cell-names = "calibration-data";
94 #clock-cells = <0>;
95 #phy-cells = <0>;
96 };
97
98 ...
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