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,hdmi-phy.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: MediaTek High Definition Multimedia Interface (HDMI) 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: |
16 The HDMI PHY serializes the HDMI encoder's three channel 10-bit parallel
17 output and drives the HDMI pads.
18
19 properties:
20 $nodename:
21 pattern: "^hdmi-phy@[0-9a-f]+$"
22
23 compatible:
24 oneOf:
25 - items:
26 - enum:
27 - mediatek,mt7623-hdmi-phy
28 - const: mediatek,mt2701-hdmi-phy
29 - const: mediatek,mt2701-hdmi-phy
30 - const: mediatek,mt8173-hdmi-phy
31 - const: mediatek,mt8195-hdmi-phy
32
33 reg:
34 maxItems: 1
35
36 clocks:
37 items:
38 - description: PLL reference clock
39
40 clock-names:
41 items:
42 - const: pll_ref
43
44 clock-output-names:
45 items:
46 - const: hdmitx_dig_cts
47
48 "#phy-cells":
49 const: 0
50
51 "#clock-cells":
52 const: 0
53
54 mediatek,ibias:
55 description:
56 TX DRV bias current for < 1.65Gbps
57 $ref: /schemas/types.yaml#/definitions/uint32
58 minimum: 0
59 maximum: 63
60 default: 0xa
61
62 mediatek,ibias_up:
63 description:
64 TX DRV bias current for >= 1.65Gbps
65 $ref: /schemas/types.yaml#/definitions/uint32
66 minimum: 0
67 maximum: 63
68 default: 0x1c
69
70 required:
71 - compatible
72 - reg
73 - clocks
74 - clock-names
75 - clock-output-names
76 - "#phy-cells"
77 - "#clock-cells"
78
79 additionalProperties: false
80
81 examples:
82 - |
83 #include <dt-bindings/clock/mt8173-clk.h>
84 hdmi_phy: hdmi-phy@10209100 {
85 compatible = "mediatek,mt8173-hdmi-phy";
86 reg = <0x10209100 0x24>;
87 clocks = <&apmixedsys CLK_APMIXED_HDMI_REF>;
88 clock-names = "pll_ref";
89 clock-output-names = "hdmitx_dig_cts";
90 mediatek,ibias = <0xa>;
91 mediatek,ibias_up = <0x1c>;
92 #clock-cells = <0>;
93 #phy-cells = <0>;
94 };
95
96 ...
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.