nxp,ptn3460.yaml

  1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/bridge/nxp,ptn3460.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: NXP PTN3460 eDP to LVDS bridge
  8
  9maintainers:
 10  - Sean Paul <seanpaul@chromium.org>
 11
 12properties:
 13  compatible:
 14    const: nxp,ptn3460
 15
 16  reg:
 17    description: I2C address of the bridge
 18    maxItems: 1
 19
 20  edid-emulation:
 21    $ref: /schemas/types.yaml#/definitions/uint32
 22    description:
 23      The EDID emulation entry to use
 24      Value  Resolution  Description
 25        0     1024x768   NXP Generic
 26        1     1920x1080  NXP Generic
 27        2     1920x1080  NXP Generic
 28        3     1600x900   Samsung LTM200KT
 29        4     1920x1080  Samsung LTM230HT
 30        5     1366x768   NXP Generic
 31        6     1600x900   ChiMei M215HGE
 32    enum: [0, 1, 2, 3, 4, 5, 6]
 33
 34  powerdown-gpios:
 35    description: GPIO connected to the PD_N signal.
 36    maxItems: 1
 37
 38  reset-gpios:
 39    description: GPIO connected to the RST_N signal.
 40    maxItems: 1
 41
 42  ports:
 43    $ref: /schemas/graph.yaml#/properties/ports
 44
 45    properties:
 46      port@0:
 47        $ref: /schemas/graph.yaml#/properties/port
 48        description:
 49          Video port for LVDS output
 50
 51      port@1:
 52        $ref: /schemas/graph.yaml#/properties/port
 53        description:
 54          Video port for eDP input
 55
 56    required:
 57      - port@0
 58      - port@1
 59
 60required:
 61  - compatible
 62  - reg
 63  - edid-emulation
 64  - powerdown-gpios
 65  - reset-gpios
 66  - ports
 67
 68additionalProperties: false
 69
 70examples:
 71  - |
 72    #include <dt-bindings/gpio/gpio.h>
 73
 74    i2c {
 75      #address-cells = <1>;
 76      #size-cells = <0>;
 77
 78      bridge@20 {
 79        compatible = "nxp,ptn3460";
 80        reg = <0x20>;
 81        edid-emulation = <5>;
 82        powerdown-gpios = <&gpy2 5 GPIO_ACTIVE_HIGH>;
 83        reset-gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
 84
 85        ports {
 86          #address-cells = <1>;
 87          #size-cells = <0>;
 88
 89          port@0 {
 90            reg = <0>;
 91            bridge_out: endpoint {
 92              remote-endpoint = <&panel_in>;
 93            };
 94          };
 95
 96          port@1 {
 97            reg = <1>;
 98            bridge_in: endpoint {
 99              remote-endpoint = <&dp_out>;
100            };
101          };
102        };
103      };
104    };
105
106...