summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/display/fsl,lcdif.yaml
blob: 900a56cae80e6323637507d068b5e2565f3604e4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/fsl,lcdif.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Freescale/NXP i.MX LCD Interface (LCDIF)

maintainers:
  - Marek Vasut <marex@denx.de>
  - Stefan Agner <stefan@agner.ch>

description: |
  (e)LCDIF display controller found in the Freescale/NXP i.MX SoCs.

properties:
  compatible:
    oneOf:
      - enum:
          - fsl,imx23-lcdif
          - fsl,imx28-lcdif
          - fsl,imx6sx-lcdif
      - items:
          - enum:
              - fsl,imx6sl-lcdif
              - fsl,imx6sll-lcdif
              - fsl,imx6ul-lcdif
              - fsl,imx7d-lcdif
              - fsl,imx8mm-lcdif
              - fsl,imx8mn-lcdif
              - fsl,imx8mq-lcdif
          - const: fsl,imx6sx-lcdif

  reg:
    maxItems: 1

  clocks:
    items:
      - description: Pixel clock
      - description: Bus clock
      - description: Display AXI clock
    minItems: 1

  clock-names:
    items:
      - const: pix
      - const: axi
      - const: disp_axi
    minItems: 1

  interrupts:
    maxItems: 1

  port:
    $ref: /schemas/graph.yaml#/properties/port
    description: The LCDIF output port

required:
  - compatible
  - reg
  - clocks
  - interrupts
  - port

additionalProperties: false

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: fsl,imx6sx-lcdif
    then:
      properties:
        clocks:
          minItems: 2
          maxItems: 3
        clock-names:
          minItems: 2
          maxItems: 3
      required:
        - clock-names
    else:
      properties:
        clocks:
          maxItems: 1
        clock-names:
          maxItems: 1

examples:
  - |
    #include <dt-bindings/clock/imx6sx-clock.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    display-controller@2220000 {
        compatible = "fsl,imx6sx-lcdif";
        reg = <0x02220000 0x4000>;
        interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>;
        clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>,
                 <&clks IMX6SX_CLK_LCDIF_APB>,
                 <&clks IMX6SX_CLK_DISPLAY_AXI>;
        clock-names = "pix", "axi", "disp_axi";

        port {
            endpoint {
                remote-endpoint = <&panel_in>;
            };
        };
    };

...