1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/renesas,shmobile-lcdc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Renesas SH-Mobile LCD Controller (LCDC)
8
9 maintainers:
10 - Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
11 - Geert Uytterhoeven <geert+renesas@glider.be>
12
13 properties:
14 compatible:
15 enum:
16 - renesas,r8a7740-lcdc # R-Mobile A1
17 - renesas,sh73a0-lcdc # SH-Mobile AG5
18
19 reg:
20 maxItems: 1
21
22 interrupts:
23 maxItems: 1
24
25 clocks:
26 minItems: 1
27 maxItems: 5
28 description:
29 Only the functional clock is mandatory.
30 Some of the optional clocks are model-dependent (e.g. "video" (a.k.a.
31 "vou" or "dv_clk") is available on R-Mobile A1 only).
32
33 clock-names:
34 minItems: 1
35 items:
36 - const: fck
37 - enum: [ media, lclk, hdmi, video ]
38 - enum: [ media, lclk, hdmi, video ]
39 - enum: [ media, lclk, hdmi, video ]
40 - enum: [ media, lclk, hdmi, video ]
41
42 power-domains:
43 maxItems: 1
44
45 ports:
46 $ref: /schemas/graph.yaml#/properties/ports
47
48 properties:
49 port@0:
50 $ref: /schemas/graph.yaml#/properties/port
51 description: LCD port (R-Mobile A1 and SH-Mobile AG5)
52 unevaluatedProperties: false
53
54 port@1:
55 $ref: /schemas/graph.yaml#/properties/port
56 description: HDMI port (R-Mobile A1 LCDC1 and SH-Mobile AG5)
57 unevaluatedProperties: false
58
59 port@2:
60 $ref: /schemas/graph.yaml#/properties/port
61 description: MIPI-DSI port (SH-Mobile AG5)
62 unevaluatedProperties: false
63
64 required:
65 - port@0
66
67 unevaluatedProperties: false
68
69 required:
70 - compatible
71 - reg
72 - interrupts
73 - clocks
74 - clock-names
75 - power-domains
76 - ports
77
78 additionalProperties: false
79
80 allOf:
81 - if:
82 properties:
83 compatible:
84 contains:
85 const: renesas,r8a7740-lcdc
86 then:
87 properties:
88 ports:
89 properties:
90 port@2: false
91
92 - if:
93 properties:
94 compatible:
95 contains:
96 const: renesas,sh73a0-lcdc
97 then:
98 properties:
99 ports:
100 required:
101 - port@1
102 - port@2
103
104 examples:
105 - |
106 #include <dt-bindings/clock/r8a7740-clock.h>
107 #include <dt-bindings/interrupt-controller/arm-gic.h>
108
109 lcd-controller@fe940000 {
110 compatible = "renesas,r8a7740-lcdc";
111 reg = <0xfe940000 0x4000>;
112 interrupts = <GIC_SPI 177 IRQ_TYPE_LEVEL_HIGH>;
113 clocks = <&mstp1_clks R8A7740_CLK_LCDC0>,
114 <&cpg_clocks R8A7740_CLK_M3>, <&lcdlclk0_clk>,
115 <&vou_clk>;
116 clock-names = "fck", "media", "lclk", "video";
117 power-domains = <&pd_a4lc>;
118
119 ports {
120 #address-cells = <1>;
121 #size-cells = <0>;
122
123 port@0 {
124 reg = <0>;
125
126 lcdc0_rgb: endpoint {
127 };
128 };
129 };
130 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.