Re: [PATCH v3 1/2] dt-bindings: display: bridge: Add documentation for Toshiba tc358768

From: Rob Herring
Date: Mon Jan 27 2020 - 13:49:45 EST


On Mon, Jan 27, 2020 at 12:56:33PM +0200, Peter Ujfalusi wrote:
> TC358768/TC358778 is a Parallel RGB to MIPI DSI bridge.
>
> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> ---
> .../display/bridge/toshiba,tc358768.yaml | 158 ++++++++++++++++++
> 1 file changed, 158 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
> new file mode 100644
> index 000000000000..8dd8cca39a77
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/toshiba,tc358768.yaml
> @@ -0,0 +1,158 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358768.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Toschiba TC358768/TC358778 Parallel RGB to MIPI DSI bridge
> +
> +maintainers:
> + - Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> +
> +description: |
> + The TC358768/TC358778 is bridge device which converts RGB to DSI.
> +
> +properties:
> + compatible:
> + enum:
> + - toshiba,tc358768
> + - toshiba,tc358778
> +
> + reg:
> + maxItems: 1
> + description: base I2C address of the device
> +
> + reset-gpios:
> + maxItems: 1
> + description: GPIO connected to active low RESX pin
> +
> + vddc-supply:
> + description: Regulator for 1.2V internal core power.
> +
> + vddmipi-supply:
> + description: Regulator for 1.2V for the MIPI.
> +
> + vddio-supply:
> + description: Regulator for 1.8V - 3.3V IO power.
> +
> + clocks:
> + maxItems: 1
> +
> + clock-names:
> + const: refclk
> +
> + ports:
> + type: object
> +
> + properties:
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + port@0:
> + type: object
> + additionalProperties: false
> +
> + description: |
> + Video port for RGB input
> +
> + properties:
> + reg:
> + const: 0
> +
> + patternProperties:
> + endpoint:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + data-lines:
> + enum: [ 16, 18, 24 ]
> +
> + remote-endpoint: true
> +
> + required:
> + - reg
> +
> + port@1:
> + type: object
> + additionalProperties: false
> +
> + description: |
> + Video port for DSI output (panel or connector).
> +
> + properties:
> + reg:
> + const: 1
> +
> + patternProperties:
> + endpoint:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + remote-endpoint: true
> +
> + required:
> + - reg
> +
> + required:
> + - "#address-cells"
> + - "#size-cells"
> + - port@0
> + - port@1
> +
> +required:
> + - compatible
> + - reg
> + - vddc-supply
> + - vddmipi-supply
> + - vddio-supply
> + - ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c1 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + dsi_bridge: tc358768@0e {

Generic node names and no leading 0s:

dsi-bridge@e

> + compatible = "toshiba,tc358768";
> + reg = <0x0e>;
> +
> + clocks = <&tc358768_refclk>;
> + clock-names = "refclk";
> +
> + /* GPIO line is inverted before going to the bridge */
> + reset-gpios = <&pcf_display_board 0 1 /* GPIO_ACTIVE_LOW */>;

You just need to add the include for the define to work.

> +
> + vddc-supply = <&v1_2d>;
> + vddmipi-supply = <&v1_2d>;
> + vddio-supply = <&v3_3d>;
> +
> + dsi_bridge_ports: ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + rgb_in: endpoint {
> + remote-endpoint = <&dpi_out>;
> + data-lines = <24>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + dsi_out: endpoint {
> + remote-endpoint = <&lcd_in>;
> + };
> + };
> + };
> + };
> + };
> +
> --
> Peter
>
> Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
> Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
>