xref: /linux/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml (revision d9a0788093565c300f7c8dd034dbfa6ac4da9aa6) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/rockchip/rockchip,analogix-dp.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip specific extensions to the Analogix Display Port
8
9maintainers:
10  - Sandy Huang <hjc@rock-chips.com>
11  - Heiko Stuebner <heiko@sntech.de>
12
13properties:
14  compatible:
15    enum:
16      - rockchip,rk3288-dp
17      - rockchip,rk3399-edp
18      - rockchip,rk3588-edp
19
20  clocks:
21    minItems: 2
22    maxItems: 3
23
24  clock-names:
25    minItems: 2
26    items:
27      - const: dp
28      - const: pclk
29      - const: grf
30
31  power-domains:
32    maxItems: 1
33
34  resets:
35    minItems: 1
36    maxItems: 2
37
38  reset-names:
39    minItems: 1
40    items:
41      - const: dp
42      - const: apb
43
44  rockchip,grf:
45    $ref: /schemas/types.yaml#/definitions/phandle
46    description:
47      This SoC makes use of GRF regs.
48
49  aux-bus:
50    $ref: /schemas/display/dp-aux-bus.yaml#
51
52required:
53  - compatible
54  - clocks
55  - clock-names
56  - resets
57  - reset-names
58  - rockchip,grf
59
60allOf:
61  - $ref: /schemas/display/bridge/analogix,dp.yaml#
62
63  - if:
64      properties:
65        compatible:
66          contains:
67            enum:
68              - rockchip,rk3588-edp
69    then:
70      properties:
71        resets:
72          minItems: 2
73        reset-names:
74          minItems: 2
75
76unevaluatedProperties: false
77
78examples:
79  - |
80    #include <dt-bindings/clock/rk3288-cru.h>
81    #include <dt-bindings/interrupt-controller/arm-gic.h>
82    #include <dt-bindings/interrupt-controller/irq.h>
83    dp@ff970000 {
84      compatible = "rockchip,rk3288-dp";
85      reg = <0xff970000 0x4000>;
86      interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH>;
87      clocks = <&cru SCLK_EDP>, <&cru PCLK_EDP_CTRL>;
88      clock-names = "dp", "pclk";
89      phys = <&dp_phy>;
90      phy-names = "dp";
91      resets = <&cru 111>;
92      reset-names = "dp";
93      rockchip,grf = <&grf>;
94      pinctrl-0 = <&edp_hpd>;
95      pinctrl-names = "default";
96
97      ports {
98        #address-cells = <1>;
99        #size-cells = <0>;
100
101        edp_in: port@0 {
102          reg = <0>;
103          #address-cells = <1>;
104          #size-cells = <0>;
105
106          edp_in_vopb: endpoint@0 {
107            reg = <0>;
108            remote-endpoint = <&vopb_out_edp>;
109          };
110          edp_in_vopl: endpoint@1 {
111            reg = <1>;
112            remote-endpoint = <&vopl_out_edp>;
113          };
114        };
115
116        edp_out: port@1 {
117          reg = <1>;
118
119          edp_out_panel: endpoint {
120            remote-endpoint = <&panel_in_edp>;
121          };
122        };
123      };
124    };
125