1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/fsl,lcdif.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Freescale/NXP i.MX LCD Interface (LCDIF)
8
9 maintainers:
10 - Marek Vasut <marex@denx.de>
11 - Stefan Agner <stefan@agner.ch>
12
13 description: |
14 (e)LCDIF display controller found in the Freescale/NXP i.MX SoCs.
15
16 properties:
17 compatible:
18 oneOf:
19 - enum:
20 - fsl,imx23-lcdif
21 - fsl,imx28-lcdif
22 - fsl,imx6sx-lcdif
23 - fsl,imx8mp-lcdif
24 - fsl,imx93-lcdif
25 - items:
26 - enum:
27 - fsl,imx6sl-lcdif
28 - fsl,imx6sll-lcdif
29 - fsl,imx6ul-lcdif
30 - fsl,imx7d-lcdif
31 - fsl,imx8mm-lcdif
32 - fsl,imx8mn-lcdif
33 - fsl,imx8mq-lcdif
34 - const: fsl,imx6sx-lcdif
35
36 reg:
37 maxItems: 1
38
39 clocks:
40 items:
41 - description: Pixel clock
42 - description: Bus clock
43 - description: Display AXI clock
44 minItems: 1
45
46 clock-names:
47 items:
48 - const: pix
49 - const: axi
50 - const: disp_axi
51 minItems: 1
52
53 dmas:
54 items:
55 - description: DMA specifier for the RX DMA channel.
56
57 dma-names:
58 items:
59 - const: rx
60
61 interrupts:
62 items:
63 - description: LCDIF DMA interrupt
64 - description: LCDIF Error interrupt
65 minItems: 1
66
67 power-domains:
68 maxItems: 1
69
70 port:
71 $ref: /schemas/graph.yaml#/properties/port
72 description: The LCDIF output port
73
74 required:
75 - compatible
76 - reg
77 - clocks
78 - interrupts
79 - port
80
81 additionalProperties: false
82
83 allOf:
84 - if:
85 properties:
86 compatible:
87 contains:
88 const: fsl,imx6sx-lcdif
89 then:
90 properties:
91 clocks:
92 minItems: 2
93 maxItems: 3
94 clock-names:
95 minItems: 2
96 maxItems: 3
97 required:
98 - clock-names
99 - if:
100 properties:
101 compatible:
102 contains:
103 enum:
104 - fsl,imx8mp-lcdif
105 - fsl,imx93-lcdif
106 then:
107 properties:
108 clocks:
109 minItems: 3
110 maxItems: 3
111 clock-names:
112 minItems: 3
113 maxItems: 3
114 required:
115 - clock-names
116 - if:
117 not:
118 properties:
119 compatible:
120 contains:
121 enum:
122 - fsl,imx6sx-lcdif
123 - fsl,imx8mp-lcdif
124 - fsl,imx93-lcdif
125 then:
126 properties:
127 clocks:
128 maxItems: 1
129 clock-names:
130 maxItems: 1
131 - if:
132 properties:
133 compatible:
134 const: fsl,imx6sx-lcdif
135 then:
136 required:
137 - power-domains
138 - if:
139 properties:
140 compatible:
141 contains:
142 enum:
143 - fsl,imx6sl-lcdif
144 - fsl,imx8mm-lcdif
145 - fsl,imx8mn-lcdif
146 - fsl,imx8mp-lcdif
147 - fsl,imx93-lcdif
148 then:
149 required:
150 - power-domains
151 - if:
152 properties:
153 compatible:
154 contains:
155 enum:
156 - fsl,imx23-lcdif
157 then:
158 properties:
159 interrupts:
160 minItems: 2
161 maxItems: 2
162 else:
163 properties:
164 interrupts:
165 maxItems: 1
166
167 - if:
168 not:
169 properties:
170 compatible:
171 contains:
172 enum:
173 - fsl,imx28-lcdif
174 then:
175 properties:
176 dmas: false
177 dma-names: false
178
179 examples:
180 - |
181 #include <dt-bindings/clock/imx6sx-clock.h>
182 #include <dt-bindings/interrupt-controller/arm-gic.h>
183
184 display-controller@2220000 {
185 compatible = "fsl,imx6sx-lcdif";
186 reg = <0x02220000 0x4000>;
187 interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
188 clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>,
189 <&clks IMX6SX_CLK_LCDIF_APB>,
190 <&clks IMX6SX_CLK_DISPLAY_AXI>;
191 clock-names = "pix", "axi", "disp_axi";
192 power-domains = <&pd_disp>;
193
194 port {
195 endpoint {
196 remote-endpoint = <&panel_in>;
197 };
198 };
199 };
200
201 ...
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