Re: [PATCH v4 1/2] dt-bindings: display: bridge: Add Chipone ICN6211 bindings

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Hey Jagan,

This looks good to me, feel free to add my r-b.

Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>

On Thu, 4 Mar 2021 at 10:21, Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx> wrote:
>
> ICN6211 is MIPI-DSI to RGB Converter bridge from Chipone.
>
> It has a flexible configuration of MIPI DSI signal input and
> produces RGB565, RGB666, RGB888 output format.
>
> Add dt-bingings for it.
>
> Signed-off-by: Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> ---
> Changes for v4:
> - fixed Laurent comments
> - added regulators
> - replace reset with EN
> - fixed warnings pointed by Robert
> Changes for v3:
> - updated to new dt-bindings style
>
>  .../display/bridge/chipone,icn6211.yaml       | 99 +++++++++++++++++++
>  MAINTAINERS                                   |  5 +
>  2 files changed, 104 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> new file mode 100644
> index 000000000000..62c3bd4cb28d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> @@ -0,0 +1,99 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/chipone,icn6211.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Chipone ICN6211 MIPI-DSI to RGB Converter bridge
> +
> +maintainers:
> +  - Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> +
> +description: |
> +  ICN6211 is MIPI-DSI to RGB Converter bridge from chipone.
> +
> +  It has a flexible configuration of MIPI DSI signal input and
> +  produce RGB565, RGB666, RGB888 output format.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - chipone,icn6211
> +
> +  reg:
> +    maxItems: 1
> +    description: virtual channel number of a DSI peripheral
> +
> +  enable-gpios:
> +    description: Bridge EN pin, chip is reset when EN is low.
> +
> +  vdd1-supply:
> +    description: A 1.8V/2.5V/3.3V supply that power the MIPI RX.
> +
> +  vdd2-supply:
> +    description: A 1.8V/2.5V/3.3V supply that power the PLL.
> +
> +  vdd3-supply:
> +    description: A 1.8V/2.5V/3.3V supply that power the RGB output.
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          Video port for MIPI DSI input
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description:
> +          Video port for MIPI DPI output (panel or connector).
> +
> +    required:
> +      - port@0
> +      - port@1
> +
> +required:
> +  - compatible
> +  - reg
> +  - enable-gpios
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +
> +      bridge@0 {
> +        compatible = "chipone,icn6211";
> +        reg = <0>;
> +        enable-gpios = <&r_pio 0 5 GPIO_ACTIVE_HIGH>; /* LCD-RST: PL5 */
> +
> +        ports {
> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +
> +          port@0 {
> +            reg = <0>;
> +
> +            bridge_in_dsi: endpoint {
> +              remote-endpoint = <&dsi_out_bridge>;
> +            };
> +          };
> +
> +          port@1 {
> +            reg = <1>;
> +
> +            bridge_out_panel: endpoint {
> +              remote-endpoint = <&panel_out_bridge>;
> +            };
> +          };
> +        };
> +      };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 9d241b832aae..065cbdc889d3 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -5529,6 +5529,11 @@ S:       Maintained
>  F:     Documentation/devicetree/bindings/display/panel/boe,himax8279d.yaml
>  F:     drivers/gpu/drm/panel/panel-boe-himax8279d.c
>
> +DRM DRIVER FOR CHIPONE ICN6211 MIPI-DSI to RGB CONVERTER BRIDGE
> +M:     Jagan Teki <jagan@xxxxxxxxxxxxxxxxxxxx>
> +S:     Maintained
> +F:     Documentation/devicetree/bindings/display/bridge/chipone,icn6211.yaml
> +
>  DRM DRIVER FOR FARADAY TVE200 TV ENCODER
>  M:     Linus Walleij <linus.walleij@xxxxxxxxxx>
>  S:     Maintained
> --
> 2.25.1
>



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