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
  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    items:
 27      - description: The HDMI controller main clock
 28      - description: The HDMI PHY reference clock
 29
 30  clock-names:
 31    items:
 32      - const: pclk
 33      - const: ref
 34
 35  power-domains:
 36    maxItems: 1
 37
 38  "#sound-dai-cells":
 39    const: 0
 40
 41  ports:
 42    $ref: /schemas/graph.yaml#/properties/ports
 43
 44    properties:
 45      port@0:
 46        $ref: /schemas/graph.yaml#/properties/port
 47        description:
 48          Port node with one endpoint connected to a vop node.
 49
 50      port@1:
 51        $ref: /schemas/graph.yaml#/properties/port
 52        description:
 53          Port node with one endpoint connected to a hdmi-connector node.
 54
 55    required:
 56      - port@0
 57      - port@1
 58
 59  rockchip,grf:
 60    $ref: /schemas/types.yaml#/definitions/phandle
 61    description:
 62      Phandle to GRF used for control the polarity of hsync/vsync of rk3036
 63      HDMI.
 64
 65required:
 66  - compatible
 67  - reg
 68  - interrupts
 69  - clocks
 70  - clock-names
 71  - pinctrl-0
 72  - pinctrl-names
 73  - ports
 74
 75allOf:
 76  - $ref: /schemas/sound/dai-common.yaml#
 77  - if:
 78      properties:
 79        compatible:
 80          contains:
 81            const: rockchip,rk3036-inno-hdmi
 82
 83    then:
 84      required:
 85        - rockchip,grf
 86      properties:
 87        power-domains: false
 88
 89  - if:
 90      properties:
 91        compatible:
 92          contains:
 93            const: rockchip,rk3128-inno-hdmi
 94
 95    then:
 96      required:
 97        - power-domains
 98
 99additionalProperties: false
100
101examples:
102  - |
103    #include <dt-bindings/clock/rk3036-cru.h>
104    #include <dt-bindings/interrupt-controller/arm-gic.h>
105    #include <dt-bindings/pinctrl/rockchip.h>
106    hdmi: hdmi@20034000 {
107      compatible = "rockchip,rk3036-inno-hdmi";
108      reg = <0x20034000 0x4000>;
109      interrupts = <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
110      clocks = <&cru PCLK_HDMI>, <&cru SCLK_LCDC>;
111      clock-names = "pclk", "ref";
112      pinctrl-names = "default";
113      pinctrl-0 = <&hdmi_ctl>;
114      rockchip,grf = <&grf>;
115      #sound-dai-cells = <0>;
116
117      ports {
118        #address-cells = <1>;
119        #size-cells = <0>;
120
121        hdmi_in: port@0 {
122          reg = <0>;
123          hdmi_in_vop: endpoint {
124            remote-endpoint = <&vop_out_hdmi>;
125          };
126        };
127
128        hdmi_out: port@1 {
129          reg = <1>;
130          hdmi_out_con: endpoint {
131            remote-endpoint = <&hdmi_con_in>;
132          };
133        };
134      };
135    };
136
137    pinctrl {
138      hdmi {
139        hdmi_ctl: hdmi-ctl {
140          rockchip,pins = <1 RK_PB0 1 &pcfg_pull_none>,
141                          <1 RK_PB1 1 &pcfg_pull_none>,
142                          <1 RK_PB2 1 &pcfg_pull_none>,
143                          <1 RK_PB3 1 &pcfg_pull_none>;
144        };
145      };
146    };