xref: /freebsd/sys/contrib/device-tree/Bindings/display/bridge/fsl,ldb.yaml (revision 2b8331622f0b212cf3bb4fc4914a501e5321d506) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/fsl,ldb.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Freescale i.MX8MP DPI to LVDS bridge chip
8
9maintainers:
10  - Marek Vasut <marex@denx.de>
11
12description: |
13  The i.MX8MP mediamix contains two registers which are responsible
14  for configuring the on-SoC DPI-to-LVDS serializer. This describes
15  those registers as bridge within the DT.
16
17properties:
18  compatible:
19    const: fsl,imx8mp-ldb
20
21  clocks:
22    maxItems: 1
23
24  clock-names:
25    const: ldb
26
27  reg:
28    minItems: 2
29    maxItems: 2
30
31  reg-names:
32    items:
33      - const: ldb
34      - const: lvds
35
36  ports:
37    $ref: /schemas/graph.yaml#/properties/ports
38
39    properties:
40      port@0:
41        $ref: /schemas/graph.yaml#/properties/port
42        description: Video port for DPI input.
43
44      port@1:
45        $ref: /schemas/graph.yaml#/properties/port
46        description: Video port for LVDS Channel-A output (panel or bridge).
47
48      port@2:
49        $ref: /schemas/graph.yaml#/properties/port
50        description: Video port for LVDS Channel-B output (panel or bridge).
51
52    required:
53      - port@0
54      - port@1
55
56required:
57  - compatible
58  - clocks
59  - ports
60
61additionalProperties: false
62
63examples:
64  - |
65    #include <dt-bindings/clock/imx8mp-clock.h>
66
67    blk-ctrl {
68        #address-cells = <1>;
69        #size-cells = <1>;
70
71        bridge@5c {
72            compatible = "fsl,imx8mp-ldb";
73            clocks = <&clk IMX8MP_CLK_MEDIA_LDB>;
74            clock-names = "ldb";
75            reg = <0x5c 0x4>, <0x128 0x4>;
76            reg-names = "ldb", "lvds";
77
78            ports {
79                #address-cells = <1>;
80                #size-cells = <0>;
81
82                port@0 {
83                    reg = <0>;
84
85                    ldb_from_lcdif2: endpoint {
86                        remote-endpoint = <&lcdif2_to_ldb>;
87                    };
88                };
89
90                port@1 {
91                    reg = <1>;
92
93                    ldb_lvds_ch0: endpoint {
94                        remote-endpoint = <&ldb_to_lvdsx4panel>;
95                    };
96                };
97
98                port@2 {
99                    reg = <2>;
100
101                    ldb_lvds_ch1: endpoint {
102                    };
103                };
104            };
105        };
106    };
107