Convert the DT binding documentation for the TI TFP410 DPI-to-DVI encoder to json-schema.
Signed-off-by: Ricardo Cañuelo ricardo.canuelo@collabora.com Reviewed-by: Laurent Pinchart laurent.pinchart@ideasonboard.com --- .../bindings/display/bridge/ti,tfp410.txt | 66 --------- .../bindings/display/bridge/ti,tfp410.yaml | 130 ++++++++++++++++++ 2 files changed, 130 insertions(+), 66 deletions(-) delete mode 100644 Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt create mode 100644 Documentation/devicetree/bindings/display/bridge/ti,tfp410.yaml
diff --git a/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt b/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt deleted file mode 100644 index 5ff4f64ef8e8..000000000000 --- a/Documentation/devicetree/bindings/display/bridge/ti,tfp410.txt +++ /dev/null @@ -1,66 +0,0 @@ -TFP410 DPI to DVI encoder -========================= - -Required properties: -- compatible: "ti,tfp410" - -Optional properties: -- powerdown-gpios: power-down gpio -- reg: I2C address. If and only if present the device node should be placed - into the I2C controller node where the TFP410 I2C is connected to. -- ti,deskew: data de-skew in 350ps increments, from -4 to +3, as configured - through th DK[3:1] pins. This property shall be present only if the TFP410 - is not connected through I2C. - -Required nodes: - -This device has two video ports. Their connections are modeled using the OF -graph bindings specified in [1]. Each port node shall have a single endpoint. - -- Port 0 is the DPI input port. Its endpoint subnode shall contain a - pclk-sample and bus-width property and a remote-endpoint property as specified - in [1]. - - If pclk-sample is not defined, pclk-sample = 0 should be assumed for - backward compatibility. - - If bus-width is not defined then bus-width = 24 should be assumed for - backward compatibility. - bus-width = 24: 24 data lines are connected and single-edge mode - bus-width = 12: 12 data lines are connected and dual-edge mode - -- Port 1 is the DVI output port. Its endpoint subnode shall contain a - remote-endpoint property is specified in [1]. - -[1] Documentation/devicetree/bindings/media/video-interfaces.txt - - -Example -------- - -tfp410: encoder@0 { - compatible = "ti,tfp410"; - powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>; - ti,deskew = <4>; - - ports { - #address-cells = <1>; - #size-cells = <0>; - - port@0 { - reg = <0>; - - tfp410_in: endpoint@0 { - pclk-sample = <1>; - bus-width = <24>; - remote-endpoint = <&dpi_out>; - }; - }; - - port@1 { - reg = <1>; - - tfp410_out: endpoint@0 { - remote-endpoint = <&dvi_connector_in>; - }; - }; - }; -}; diff --git a/Documentation/devicetree/bindings/display/bridge/ti,tfp410.yaml b/Documentation/devicetree/bindings/display/bridge/ti,tfp410.yaml new file mode 100644 index 000000000000..5569a4907765 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/ti,tfp410.yaml @@ -0,0 +1,130 @@ +# SPDX-License-Identifier: GPL-2.0-only +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/ti,tfp410.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: TFP410 DPI to DVI encoder + +maintainers: + - Tomi Valkeinen tomi.valkeinen@ti.com + - Jyri Sarha jsarha@ti.com + +properties: + compatible: + const: ti,tfp410 + + reg: + description: I2C address of the device. + maxItems: 1 + + powerdown-gpios: + maxItems: 1 + + ti,deskew: + description: + Data de-skew in 350ps increments, from -4 to +3, as configured + through th DK[3:1] pins. This property shall be present only if the TFP410 + is not connected through I2C. + maxItems: 1 + $ref: /schemas/types.yaml#/definitions/uint32 + + ports: + description: + A node containing input and output port nodes with endpoint + definitions as documented in + Documentation/devicetree/bindings/media/video-interfaces.txt + type: object + + properties: + port@0: + description: DPI input port. + type: object + + properties: + reg: + const: 0 + + endpoint: + type: object + + properties: + pclk-sample: + description: + Endpoint sampling edge. + enum: + - 0 # Falling edge + - 1 # Rising edge + default: 0 + + bus-width: + description: + Endpoint bus width. + enum: + - 12 # 12 data lines connected and dual-edge mode + - 24 # 24 data lines connected and single-edge mode + default: 24 + + port@1: + description: DVI output port. + type: object + + properties: + reg: + const: 1 + + endpoint: + type: object + + required: + - port@0 + - port@1 + +required: + - compatible + - ports + +if: + required: + - reg +then: + properties: + ti,deskew: false +else: + required: + - ti,deskew + +additionalProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + tfp410: encoder { + compatible = "ti,tfp410"; + powerdown-gpios = <&twl_gpio 2 GPIO_ACTIVE_LOW>; + ti,deskew = <3>; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + tfp410_in: endpoint { + pclk-sample = <1>; + bus-width = <24>; + remote-endpoint = <&dpi_out>; + }; + }; + + port@1 { + reg = <1>; + tfp410_out: endpoint { + remote-endpoint = <&dvi_connector_in>; + }; + }; + }; + }; + +...