Re: [PATCH v7 1/2] dt-bindings: display: panel: Add bindings for Novatek nt36672a

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Hi Sumit.
On Wed, Sep 02, 2020 at 12:14:06PM +0530, Sumit Semwal wrote:
> Novatek nt36672a is a display driver IC that can drive DSI panel. It
> is also present in the Tianma video mode panel, which is a FHD+ panel
> with a resolution of 1080x2246 and 6.18 inches size. It is found in
> some of the Poco F1 phones.
> 
> This patch adds the display driver for the IC, with support added for
> this tianma fhd video mode panel.
> 
> Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Sam Ravnborg <sam@xxxxxxxxxxxx>
I assume you will apply the patch yourself.

	Sam
> 
> ---
> v2: remove ports node, making port@0 directly under panel@0 node.
> v3: updated to replace port@0 to just 'port'.
> v5: renamed to novatek,nt36672a, since the binding is for the IC and not
>       the panel.
> v6: v5 review comments incorporated.
>     - added enum for the compatible part, since it can be extended in
>       future.
>     - few cosmetic updates.
> ---
>  .../display/panel/novatek,nt36672a.yaml       | 87 +++++++++++++++++++
>  1 file changed, 87 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml b/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml
> new file mode 100644
> index 000000000000..d2170de6b723
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/panel/novatek,nt36672a.yaml
> @@ -0,0 +1,87 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/panel/novatek,nt36672a.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Novatek NT36672A based DSI display Panels
> +
> +maintainers:
> +  - Sumit Semwal <sumit.semwal@xxxxxxxxxx>
> +
> +description: |
> +  The nt36672a IC from Novatek is a generic DSI Panel IC used to drive dsi
> +  panels.
> +  Right now, support is added only for a Tianma FHD+ LCD display panel with a
> +  resolution of 1080x2246. It is a video mode DSI panel.
> +
> +allOf:
> +  - $ref: panel-common.yaml#
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +         - tianma,fhd-video
> +      - const: novatek,nt36672a
> +    description: This indicates the panel manufacturer of the panel that is
> +      in turn using the NT36672A panel driver. This compatible string
> +      determines how the NT36672A panel driver is configured for the indicated
> +      panel. The novatek,nt36672a compatible shall always be provided as a fallback.
> +
> +  reset-gpios:
> +    description: phandle of gpio for reset line - This should be 8mA, gpio
> +      can be configured using mux, pinctrl, pinctrl-names (active high)
> +
> +  vddio-supply:
> +    description: phandle of the regulator that provides the supply voltage
> +      Power IC supply
> +
> +  vddpos-supply:
> +    description: phandle of the positive boost supply regulator
> +
> +  vddneg-supply:
> +    description: phandle of the negative boost supply regulator
> +
> +  reg: true
> +  port: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - vddi0-supply
> +  - vddpos-supply
> +  - vddneg-supply
> +  - reset-gpios
> +  - port
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |+
> +    #include <dt-bindings/gpio/gpio.h>
> +
> +    dsi0 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        panel@0 {
> +            compatible = "tianma,fhd-video", "novatek,nt36672a";
> +            reg = <0>;
> +            vddi0-supply = <&vreg_l14a_1p88>;
> +            vddpos-supply = <&lab>;
> +            vddneg-supply = <&ibb>;
> +
> +            reset-gpios = <&tlmm 6 GPIO_ACTIVE_HIGH>;
> +
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +            port {
> +                tianma_nt36672a_in_0: endpoint {
> +                    remote-endpoint = <&dsi0_out>;
> +                };
> +            };
> +        };
> +    };
> +
> +...
> -- 
> 2.28.0
> 
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