xref: /freebsd/sys/contrib/device-tree/Bindings/display/rockchip/rockchip,inno-hdmi.yaml (revision 5b56413d04e608379c9a306373554a8e4d321bc0) 
1# SPDX-License-Identifier: GPL-2.0
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/rockchip/rockchip,inno-hdmi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Rockchip Innosilicon HDMI controller
8
9maintainers:
10  - Sandy Huang <hjc@rock-chips.com>
11  - Heiko Stuebner <heiko@sntech.de>
12
13properties:
14  compatible:
15    enum:
16      - rockchip,rk3036-inno-hdmi
17      - rockchip,rk3128-inno-hdmi
18
19  reg:
20    maxItems: 1
21
22  interrupts:
23    maxItems: 1
24
25  clocks:
26    minItems: 1
27    items:
28      - description: The HDMI controller main clock
29      - description: The HDMI PHY reference clock
30
31  clock-names:
32    minItems: 1
33    items:
34      - const: pclk
35      - const: ref
36
37  power-domains:
38    maxItems: 1
39
40  ports:
41    $ref: /schemas/graph.yaml#/properties/ports
42
43    properties:
44      port@0:
45        $ref: /schemas/graph.yaml#/properties/port
46        description:
47          Port node with one endpoint connected to a vop node.
48
49      port@1:
50        $ref: /schemas/graph.yaml#/properties/port
51        description:
52          Port node with one endpoint connected to a hdmi-connector node.
53
54    required:
55      - port@0
56      - port@1
57
58required:
59  - compatible
60  - reg
61  - interrupts
62  - clocks
63  - clock-names
64  - pinctrl-0
65  - pinctrl-names
66  - ports
67
68allOf:
69  - if:
70      properties:
71        compatible:
72          contains:
73            const: rockchip,rk3036-inno-hdmi
74
75    then:
76      properties:
77        power-domains: false
78
79  - if:
80      properties:
81        compatible:
82          contains:
83            const: rockchip,rk3128-inno-hdmi
84
85    then:
86      properties:
87        clocks:
88          minItems: 2
89        clock-names:
90          minItems: 2
91      required:
92        - power-domains
93
94additionalProperties: false
95
96examples:
97  - |
98    #include <dt-bindings/clock/rk3036-cru.h>
99    #include <dt-bindings/interrupt-controller/arm-gic.h>
100    #include <dt-bindings/pinctrl/rockchip.h>
101    hdmi: hdmi@20034000 {
102      compatible = "rockchip,rk3036-inno-hdmi";
103      reg = <0x20034000 0x4000>;
104      interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
105      clocks = <&cru  PCLK_HDMI>;
106      clock-names = "pclk";
107      pinctrl-names = "default";
108      pinctrl-0 = <&hdmi_ctl>;
109
110      ports {
111        #address-cells = <1>;
112        #size-cells = <0>;
113
114        hdmi_in: port@0 {
115          reg = <0>;
116          hdmi_in_vop: endpoint {
117            remote-endpoint = <&vop_out_hdmi>;
118          };
119        };
120
121        hdmi_out: port@1 {
122          reg = <1>;
123          hdmi_out_con: endpoint {
124            remote-endpoint = <&hdmi_con_in>;
125          };
126        };
127      };
128    };
129
130    pinctrl {
131      hdmi {
132        hdmi_ctl: hdmi-ctl {
133          rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
134                          <1 RK_PB1 1 &pcfg_pull_none>,
135                          <1 RK_PB2 1 &pcfg_pull_none>,
136                          <1 RK_PB3 1 &pcfg_pull_none>;
137        };
138      };
139    };
140