parade,ps8622.yaml

  1# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/bridge/parade,ps8622.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: Parade PS8622/PS8625 DisplayPort to LVDS Converter
  8
  9maintainers:
 10  - Krzysztof Kozlowski <krzk@kernel.org>
 11
 12properties:
 13  compatible:
 14    enum:
 15      - parade,ps8622
 16      - parade,ps8625
 17
 18  reg:
 19    maxItems: 1
 20
 21  lane-count:
 22    $ref: /schemas/types.yaml#/definitions/uint32
 23    enum: [1, 2]
 24    description: Number of DP lanes to use.
 25
 26  use-external-pwm:
 27    type: boolean
 28    description: Backlight will be controlled by an external PWM.
 29
 30  reset-gpios:
 31    maxItems: 1
 32    description: GPIO connected to RST_ pin.
 33
 34  sleep-gpios:
 35    maxItems: 1
 36    description: GPIO connected to PD_ pin.
 37
 38  vdd12-supply: true
 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: Video port for LVDS output.
 47
 48      port@1:
 49        $ref: /schemas/graph.yaml#/properties/port
 50        description: Video port for DisplayPort input.
 51
 52    required:
 53      - port@0
 54      - port@1
 55
 56required:
 57  - compatible
 58  - reg
 59  - reset-gpios
 60  - sleep-gpios
 61  - ports
 62
 63allOf:
 64  - if:
 65      properties:
 66        compatible:
 67          const: parade,ps8622
 68    then:
 69      properties:
 70        lane-count:
 71          const: 1
 72    else:
 73      properties:
 74        lane-count:
 75          const: 2
 76
 77additionalProperties: false
 78
 79examples:
 80  - |
 81    #include <dt-bindings/gpio/gpio.h>
 82    i2c {
 83        #address-cells = <1>;
 84        #size-cells = <0>;
 85
 86        lvds-bridge@48 {
 87            compatible = "parade,ps8625";
 88            reg = <0x48>;
 89            sleep-gpios = <&gpx3 5 GPIO_ACTIVE_HIGH>;
 90            reset-gpios = <&gpy7 7 GPIO_ACTIVE_HIGH>;
 91            lane-count = <2>;
 92            use-external-pwm;
 93
 94            ports {
 95                #address-cells = <1>;
 96                #size-cells = <0>;
 97
 98                port@0 {
 99                    reg = <0>;
100
101                    bridge_out: endpoint {
102                        remote-endpoint = <&panel_in>;
103                    };
104                };
105
106                port@1 {
107                    reg = <1>;
108
109                    bridge_in: endpoint {
110                        remote-endpoint = <&dp_out>;
111                    };
112                };
113            };
114        };
115    };