xref: /linux/Documentation/devicetree/bindings/display/bridge/renesas,dsi.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/bridge/renesas,dsi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Renesas RZ/G2L MIPI DSI Encoder
8
9maintainers:
10  - Biju Das <biju.das.jz@bp.renesas.com>
11
12description: |
13  This binding describes the MIPI DSI encoder embedded in the Renesas
14  RZ/G2L alike family of SoC's. The encoder can operate in DSI mode, with
15  up to four data lanes.
16
17allOf:
18  - $ref: /schemas/display/dsi-controller.yaml#
19
20properties:
21  compatible:
22    items:
23      - enum:
24          - renesas,r9a07g044-mipi-dsi # RZ/G2{L,LC}
25          - renesas,r9a07g054-mipi-dsi # RZ/V2L
26      - const: renesas,rzg2l-mipi-dsi
27
28  reg:
29    maxItems: 1
30
31  interrupts:
32    items:
33      - description: Sequence operation channel 0 interrupt
34      - description: Sequence operation channel 1 interrupt
35      - description: Video-Input operation channel 1 interrupt
36      - description: DSI Packet Receive interrupt
37      - description: DSI Fatal Error interrupt
38      - description: DSI D-PHY PPI interrupt
39      - description: Debug interrupt
40
41  interrupt-names:
42    items:
43      - const: seq0
44      - const: seq1
45      - const: vin1
46      - const: rcv
47      - const: ferr
48      - const: ppi
49      - const: debug
50
51  clocks:
52    items:
53      - description: DSI D-PHY PLL multiplied clock
54      - description: DSI D-PHY system clock
55      - description: DSI AXI bus clock
56      - description: DSI Register access clock
57      - description: DSI Video clock
58      - description: DSI D-PHY Escape mode transmit clock
59
60  clock-names:
61    items:
62      - const: pllclk
63      - const: sysclk
64      - const: aclk
65      - const: pclk
66      - const: vclk
67      - const: lpclk
68
69  resets:
70    items:
71      - description: MIPI_DSI_CMN_RSTB
72      - description: MIPI_DSI_ARESET_N
73      - description: MIPI_DSI_PRESET_N
74
75  reset-names:
76    items:
77      - const: rst
78      - const: arst
79      - const: prst
80
81  power-domains:
82    maxItems: 1
83
84  ports:
85    $ref: /schemas/graph.yaml#/properties/ports
86
87    properties:
88      port@0:
89        $ref: /schemas/graph.yaml#/properties/port
90        description: Parallel input port
91
92      port@1:
93        $ref: /schemas/graph.yaml#/$defs/port-base
94        unevaluatedProperties: false
95        description: DSI output port
96
97        properties:
98          endpoint:
99            $ref: /schemas/media/video-interfaces.yaml#
100            unevaluatedProperties: false
101
102            properties:
103              data-lanes:
104                description: array of physical DSI data lane indexes.
105                minItems: 1
106                items:
107                  - const: 1
108                  - const: 2
109                  - const: 3
110                  - const: 4
111
112            required:
113              - data-lanes
114
115    required:
116      - port@0
117      - port@1
118
119required:
120  - compatible
121  - reg
122  - interrupts
123  - interrupt-names
124  - clocks
125  - clock-names
126  - resets
127  - reset-names
128  - power-domains
129  - ports
130
131additionalProperties: false
132
133examples:
134  - |
135    #include <dt-bindings/clock/r9a07g044-cpg.h>
136    #include <dt-bindings/interrupt-controller/arm-gic.h>
137
138    dsi0: dsi@10850000 {
139        compatible = "renesas,r9a07g044-mipi-dsi", "renesas,rzg2l-mipi-dsi";
140        reg = <0x10850000 0x20000>;
141        interrupts = <GIC_SPI 142 IRQ_TYPE_LEVEL_HIGH>,
142                     <GIC_SPI 143 IRQ_TYPE_LEVEL_HIGH>,
143                     <GIC_SPI 144 IRQ_TYPE_LEVEL_HIGH>,
144                     <GIC_SPI 145 IRQ_TYPE_LEVEL_HIGH>,
145                     <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
146                     <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
147                     <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>;
148        interrupt-names = "seq0", "seq1", "vin1", "rcv",
149                          "ferr", "ppi", "debug";
150        clocks = <&cpg CPG_MOD R9A07G044_MIPI_DSI_PLLCLK>,
151                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_SYSCLK>,
152                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_ACLK>,
153                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_PCLK>,
154                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_VCLK>,
155                 <&cpg CPG_MOD R9A07G044_MIPI_DSI_LPCLK>;
156        clock-names = "pllclk", "sysclk", "aclk", "pclk", "vclk", "lpclk";
157        resets = <&cpg R9A07G044_MIPI_DSI_CMN_RSTB>,
158                 <&cpg R9A07G044_MIPI_DSI_ARESET_N>,
159                 <&cpg R9A07G044_MIPI_DSI_PRESET_N>;
160        reset-names = "rst", "arst", "prst";
161        power-domains = <&cpg>;
162
163        ports {
164            #address-cells = <1>;
165            #size-cells = <0>;
166
167            port@0 {
168                reg = <0>;
169                dsi0_in: endpoint {
170                    remote-endpoint = <&du_out_dsi0>;
171                };
172            };
173
174            port@1 {
175                reg = <1>;
176                dsi0_out: endpoint {
177                    data-lanes = <1 2 3 4>;
178                    remote-endpoint = <&adv7535_in>;
179                };
180            };
181        };
182    };
183...
184