rockchip,rk3399-cdn-dp.yaml

  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/rockchip/rockchip,rk3399-cdn-dp.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Rockchip RK3399 specific extensions to the CDN Display Port
  8
  9maintainers:
 10  - Andy Yan <andy.yan@rock-chip.com>
 11  - Heiko Stuebner <heiko@sntech.de>
 12  - Sandy Huang <hjc@rock-chips.com>
 13
 14allOf:
 15  - $ref: /schemas/sound/dai-common.yaml#
 16
 17properties:
 18  compatible:
 19    items:
 20      - const: rockchip,rk3399-cdn-dp
 21
 22  reg:
 23    maxItems: 1
 24
 25  clocks:
 26    items:
 27      - description: DP core work clock
 28      - description: APB clock
 29      - description: SPDIF interface clock
 30      - description: GRF clock
 31
 32  clock-names:
 33    items:
 34      - const: core-clk
 35      - const: pclk
 36      - const: spdif
 37      - const: grf
 38
 39  extcon:
 40    $ref: /schemas/types.yaml#/definitions/phandle-array
 41    minItems: 1
 42    items:
 43      - description: Extcon device providing the cable state for DP PHY device 0
 44      - description: Extcon device providing the cable state for DP PHY device 1
 45    description:
 46      List of phandle to the extcon device providing the cable state for the DP PHY.
 47
 48  interrupts:
 49    maxItems: 1
 50
 51  phys:
 52    minItems: 1
 53    items:
 54      - description: DP output to the DP PHY device 0
 55      - description: DP output to the DP PHY device 1
 56    description:
 57      RK3399 have two DP-USB PHY, specifying one PHY which want to use, or
 58      specify two PHYs here to let the driver determine which PHY to use.
 59
 60  ports:
 61    $ref: /schemas/graph.yaml#/properties/ports
 62
 63    properties:
 64      port@0:
 65        $ref: /schemas/graph.yaml#/properties/port
 66        description: Input of the CDN DP
 67
 68        properties:
 69          endpoint@0:
 70            description: Connection to the VOPB
 71
 72          endpoint@1:
 73            description: Connection to the VOPL
 74
 75      port@1:
 76        $ref: /schemas/graph.yaml#/properties/port
 77        description: Output of the CDN DP
 78
 79    required:
 80      - port@0
 81      - port@1
 82
 83  power-domains:
 84    maxItems: 1
 85
 86  resets:
 87    maxItems: 4
 88
 89  reset-names:
 90    items:
 91      - const: spdif
 92      - const: dptx
 93      - const: apb
 94      - const: core
 95
 96  rockchip,grf:
 97    $ref: /schemas/types.yaml#/definitions/phandle
 98    description:
 99      Phandle to GRF register to control HPD.
100
101  "#sound-dai-cells":
102    const: 1
103
104required:
105  - compatible
106  - reg
107  - clocks
108  - clock-names
109  - interrupts
110  - phys
111  - ports
112  - resets
113  - reset-names
114  - rockchip,grf
115  - "#sound-dai-cells"
116
117unevaluatedProperties: false
118
119examples:
120  - |
121    #include <dt-bindings/clock/rk3399-cru.h>
122    #include <dt-bindings/interrupt-controller/arm-gic.h>
123    #include <dt-bindings/power/rk3399-power.h>
124    soc {
125        #address-cells = <2>;
126        #size-cells = <2>;
127
128        dp@fec00000 {
129            compatible = "rockchip,rk3399-cdn-dp";
130            reg = <0x0 0xfec00000 0x0 0x100000>;
131            assigned-clocks = <&cru SCLK_DP_CORE>;
132            assigned-clock-rates = <100000000>;
133            interrupts = <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>;
134            clocks = <&cru SCLK_DP_CORE>, <&cru PCLK_DP_CTRL>, <&cru SCLK_SPDIF_REC_DPTX>,
135                    <&cru PCLK_VIO_GRF>;
136            clock-names = "core-clk", "pclk", "spdif", "grf";
137            power-domains = <&power RK3399_PD_HDCP>;
138            phys = <&tcphy0_dp>, <&tcphy1_dp>;
139            resets = <&cru SRST_DPTX_SPDIF_REC>, <&cru SRST_P_UPHY0_DPTX>,
140                    <&cru SRST_P_UPHY0_APB>, <&cru SRST_DP_CORE>;
141            reset-names = "spdif", "dptx", "apb", "core";
142            rockchip,grf = <&grf>;
143            #sound-dai-cells = <1>;
144
145            ports {
146                #address-cells = <1>;
147                #size-cells = <0>;
148
149                dp_in: port@0 {
150                    reg = <0>;
151                    #address-cells = <1>;
152                    #size-cells = <0>;
153
154                    dp_in_vopb: endpoint@0 {
155                        reg = <0>;
156                        remote-endpoint = <&vopb_out_dp>;
157                    };
158
159                    dp_in_vopl: endpoint@1 {
160                        reg = <1>;
161                        remote-endpoint = <&vopl_out_dp>;
162                    };
163                };
164
165                dp_out: port@1 {
166                    reg = <1>;
167                };
168            };
169        };
170    };