Bindings/display/rockchip/rockchip,inno-hdmi.yaml

   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
   7 title: Rockchip Innosilicon HDMI controller
   8
   9 maintainers:
  10   - Sandy Huang <hjc@rock-chips.com>
  11   - Heiko Stuebner <heiko@sntech.de>
  12
  13 properties:
  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
  58 required:
  59   - compatible
  60   - reg
  61   - interrupts
  62   - clocks
  63   - clock-names
  64   - pinctrl-0
  65   - pinctrl-names
  66   - ports
  67
  68 allOf:
  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
  94 additionalProperties: false
  95
  96 examples:
  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     };