1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/imx/fsl,imx-lcdc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale i.MX LCD Controller, found on i.MX1, i.MX21, i.MX25 and i.MX27
8
9 maintainers:
10 - Sascha Hauer <s.hauer@pengutronix.de>
11 - Pengutronix Kernel Team <kernel@pengutronix.de>
12
13 properties:
14 compatible:
15 oneOf:
16 - enum:
17 - fsl,imx1-fb
18 - fsl,imx21-fb
19 - items:
20 - enum:
21 - fsl,imx25-fb
22 - fsl,imx27-fb
23 - const: fsl,imx21-fb
24 - items:
25 - const: fsl,imx25-lcdc
26 - const: fsl,imx21-lcdc
27
28 clocks:
29 maxItems: 3
30
31 clock-names:
32 items:
33 - const: ipg
34 - const: ahb
35 - const: per
36
37 port:
38 $ref: /schemas/graph.yaml#/properties/port
39
40 display:
41 $ref: /schemas/types.yaml#/definitions/phandle
42
43 interrupts:
44 maxItems: 1
45
46 reg:
47 maxItems: 1
48
49 lcd-supply:
50 description:
51 Regulator for LCD supply voltage.
52
53 fsl,dmacr:
54 $ref: /schemas/types.yaml#/definitions/uint32
55 description:
56 Override value for DMA Control Register
57
58 fsl,lpccr:
59 $ref: /schemas/types.yaml#/definitions/uint32
60 description:
61 Contrast Control Register value.
62
63 fsl,lscr1:
64 $ref: /schemas/types.yaml#/definitions/uint32
65 description:
66 LCDC Sharp Configuration Register value.
67
68 allOf:
69 - if:
70 properties:
71 compatible:
72 contains:
73 enum:
74 - fsl,imx1-lcdc
75 - fsl,imx21-lcdc
76 then:
77 properties:
78 display: false
79 fsl,dmacr: false
80 fsl,lpccr: false
81 fsl,lscr1: false
82
83 required:
84 - port
85
86 else:
87 properties:
88 port: false
89
90 required:
91 - display
92
93 required:
94 - compatible
95 - clocks
96 - clock-names
97 - interrupts
98 - reg
99
100 additionalProperties: false
101
102 examples:
103 - |
104 lcdc@53fbc000 {
105 compatible = "fsl,imx25-lcdc", "fsl,imx21-lcdc";
106 reg = <0x53fbc000 0x4000>;
107 interrupts = <39>;
108 clocks = <&clks 103>, <&clks 66>, <&clks 49>;
109 clock-names = "ipg", "ahb", "per";
110
111 port {
112 parallel_out: endpoint {
113 remote-endpoint = <&panel_in>;
114 };
115 };
116 };
117 - |
118 imxfb: fb@10021000 {
119 compatible = "fsl,imx21-fb";
120 interrupts = <61>;
121 reg = <0x10021000 0x1000>;
122 display = <&display0>;
123 clocks = <&clks 103>, <&clks 49>, <&clks 66>;
124 clock-names = "ipg", "ahb", "per";
125 };
126
127 display0: display0 {
128 model = "Primeview-PD050VL1";
129 bits-per-pixel = <16>;
130 fsl,pcr = <0xf0c88080>; /* non-standard but required */
131
132 display-timings {
133 native-mode = <&timing_disp0>;
134 timing_disp0: timing0 {
135 hactive = <640>;
136 vactive = <480>;
137 hback-porch = <112>;
138 hfront-porch = <36>;
139 hsync-len = <32>;
140 vback-porch = <33>;
141 vfront-porch = <33>;
142 vsync-len = <2>;
143 clock-frequency = <25000000>;
144 };
145 };
146 };
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