ti,tfp410.yaml

  1# SPDX-License-Identifier: GPL-2.0-only
  2%YAML 1.2
  3---
  4$id: http://devicetree.org/schemas/display/bridge/ti,tfp410.yaml#
  5$schema: http://devicetree.org/meta-schemas/core.yaml#
  6
  7title: TFP410 DPI to DVI encoder
  8
  9maintainers:
 10  - Tomi Valkeinen <tomi.valkeinen@ti.com>
 11  - Jyri Sarha <jsarha@ti.com>
 12
 13properties:
 14  compatible:
 15    const: ti,tfp410
 16
 17  reg:
 18    description: I2C address of the device.
 19    maxItems: 1
 20
 21  powerdown-gpios:
 22    maxItems: 1
 23
 24  ti,deskew:
 25    description:
 26      Data de-skew value in 350ps increments, from 0 to 7, as configured
 27      through the DK[3:1] pins. The de-skew multiplier is computed as
 28      (DK[3:1] - 4), so it ranges from -4 to 3.
 29    $ref: /schemas/types.yaml#/definitions/uint32
 30    minimum: 0
 31    maximum: 7
 32
 33  ports:
 34    $ref: /schemas/graph.yaml#/properties/ports
 35
 36    properties:
 37      port@0:
 38        $ref: /schemas/graph.yaml#/$defs/port-base
 39        unevaluatedProperties: false
 40        description: DPI input port.
 41
 42        properties:
 43          endpoint:
 44            $ref: /schemas/graph.yaml#/$defs/endpoint-base
 45            unevaluatedProperties: false
 46
 47            properties:
 48              pclk-sample:
 49                description:
 50                  Endpoint sampling edge.
 51                enum:
 52                  - 0  # Falling edge
 53                  - 1  # Rising edge
 54                default: 0
 55
 56              bus-width:
 57                description:
 58                  Endpoint bus width.
 59                enum:
 60                  - 12  # 12 data lines connected and dual-edge mode
 61                  - 24  # 24 data lines connected and single-edge mode
 62                default: 24
 63
 64      port@1:
 65        $ref: /schemas/graph.yaml#/properties/port
 66        description: DVI output port.
 67
 68    required:
 69      - port@0
 70      - port@1
 71
 72required:
 73  - compatible
 74  - ports
 75
 76if:
 77  required:
 78    - reg
 79then:
 80  properties:
 81    ti,deskew: false
 82else:
 83  required:
 84    - ti,deskew
 85
 86additionalProperties: false
 87
 88examples:
 89  - |
 90    #include <dt-bindings/gpio/gpio.h>
 91
 92    tfp410: encoder {
 93        compatible = "ti,tfp410";
 94        powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>;
 95        ti,deskew = <3>;
 96
 97        ports {
 98            #address-cells = <1>;
 99            #size-cells = <0>;
100
101            port@0 {
102                reg = <0>;
103                tfp410_in: endpoint {
104                    pclk-sample = <1>;
105                    bus-width = <24>;
106                    remote-endpoint = <&dpi_out>;
107                };
108            };
109
110            port@1 {
111                reg = <1>;
112                tfp410_out: endpoint {
113                    remote-endpoint = <&dvi_connector_in>;
114                };
115            };
116        };
117    };
118
119...