On 27/12/2019 0.24, Rob Herring wrote:
> On Tue, Dec 17, 2019 at 12:15:05PM +0200, Peter Ujfalusi wrote:
>> TC358768/TC358778 is a Parallel RGB to MIPI DSI bridge.
>>
>> Signed-off-by: Peter Ujfalusi <peter.ujfal...@ti.com>
>> ---
>>  .../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..8f96867caca0
>> --- /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.ujfal...@ti.com>
>> +
>> +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:
>> +    maxItems: 1
> 
> Drop this. Not an array. *-supply doesn't need further constraints.

OK.

> 
>> +    description: Regulator for 1.2V internal core power.
>> +
>> +  vddmipi-supply:
>> +    maxItems: 1
>> +    description: Regulator for 1.2V for the MIPI.
>> +
>> +  vddio-supply:
>> +    maxItems: 1
>> +    description: Regulator for 1.8V - 3.3V IO power.
> 
> Blank line here.

Oops, I'll fix it.

> 
>> +  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
>> +        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
> 
> No additionalProperties on this one?

Correct, I have missed the additionalProperties: false

I'll update the binding documents when I get comments for the driver.

Thank you,
- P├ęter

> 
>> +
>> +    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 {
>> +        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 */>;
>> +
>> +        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
>>

Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki.
Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki
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