linux-kernel - Re: [PATCH v2 1/4] dt-bindings: display: panel: Add KD101NE3-40TI support

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Message-ID: <CAA8EJpqOZ2zXQo5F01Q208Bk-KM-awfhNtuq4iM8=FEkLqfkpA@mail.gmail.com>
Date: Fri, 7 Jun 2024 14:48:50 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: zhaoxiong lv <lvzhaoxiong@...qin.corp-partner.google.com>
Cc: dmitry.torokhov@...il.com, robh@...nel.org, 
	krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org, jikos@...nel.org, 
	benjamin.tissoires@...hat.co, dianders@...gle.com, hsinyi@...gle.com, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] dt-bindings: display: panel: Add KD101NE3-40TI support

On Fri, 7 Jun 2024 at 14:38, zhaoxiong lv
<lvzhaoxiong@...qin.corp-partner.google.com> wrote:
>
> hi Dmitry Baryshkov
>
> Because this is a separate mipi dsi driver, I did not put it in
> panel-sample-dsi.yaml.

Driver and bindings are two separate things. Bindings describe the
hardware. If there is no other reason to have a separate bindings
document, please use panel-simple-dsi.yaml.

Also please don't top-post in public mailing lists.

>
>
> On Sun, Jun 2, 2024 at 12:28 AM Dmitry Baryshkov
> <dmitry.baryshkov@...aro.org> wrote:
> >
> > On Sat, Jun 01, 2024 at 04:45:25PM +0800, Zhaoxiong Lv wrote:
> > > Create a new dt-scheam for the kd101ne3-40ti.
> > > The bias IC of this kindisplay-kd101ne3 panel is placed
> > > on the panel side, so when the panel is powered on,
> > > there is no need to control AVDD and AVEE in the driver.
> > >
> > > Signed-off-by: Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
> > > ---
> > >
> > > Chage since V2:
> > >
> > > -  Drop some properties that have already been defined in panel-common.
> > > -  The header file 'dt-bindings/gpio/gpio.h' is not used, delete it
> > >
> > > V1: https://lore.kernel.org/all/20240418081548.12160-2-lvzhaoxiong@huaqin.corp-partner.google.com/
> > >
> > > ---
> > >  .../panel/kingdisplay,kd101ne3-40ti.yaml      | 59 +++++++++++++++++++
> > >  1 file changed, 59 insertions(+)
> > >  create mode 100644 Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
> > >
> > > diff --git a/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
> > > new file mode 100644
> > > index 000000000000..b0cf12bb727d
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/display/panel/kingdisplay,kd101ne3-40ti.yaml
> > > @@ -0,0 +1,59 @@
> > > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > > +%YAML 1.2
> > > +---
> > > +$id: http://devicetree.org/schemas/display/panel/kingdisplay,kd101ne3-40ti.yaml#
> > > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > > +
> > > +title: Kingdisplay KD101NE3-40TI based MIPI-DSI panels
> > > +
> > > +maintainers:
> > > +  - Zhaoxiong Lv <lvzhaoxiong@...qin.corp-partner.google.com>
> >
> > Any reason for using a separate bindings instead of extending
> > panel-simple-dsi.yaml ?
> >
> > > +
> > > +allOf:
> > > +  - $ref: panel-common.yaml#
> > > +
> > > +properties:
> > > +  compatible:
> > > +    items:
> > > +      - enum:
> > > +          - kingdisplay,kd101ne3-40ti
> > > +
> > > +  reg:
> > > +    description: the virtual channel number of a DSI peripheral
> > > +
> > > +  pp3300-supply:
> > > +    description: core voltage supply
> > > +
> > > +required:
> > > +  - compatible
> > > +  - reg
> > > +  - pp3300-supply
> > > +  - enable-gpios
> > > +  - backlight
> > > +  - port
> > > +
> > > +unevaluatedProperties: false
> > > +
> > > +examples:
> > > +  - |
> > > +    dsi {
> > > +        #address-cells = <1>;
> > > +        #size-cells = <0>;
> > > +        panel: panel@0 {
> > > +            compatible = "kingdisplay,kd101ne3-40ti";
> > > +            reg = <0>;
> > > +            enable-gpios = <&pio 98 0>;
> > > +            pinctrl-names = "default";
> > > +            pinctrl-0 = <&panel_pins_default>;
> > > +            pp3300-supply = <&en_pp6000_mipi_disp>;
> > > +            backlight = <&backlight_lcd0>;
> > > +            rotation = <90>;
> > > +            port {
> > > +                panel_in: endpoint {
> > > +                    remote-endpoint = <&dsi_out>;
> > > +                };
> > > +            };
> > > +        };
> > > +    };
> > > +
> > > +...
> > > --
> > > 2.17.1
> > >
> >
> > --
> > With best wishes
> > Dmitry



-- 
With best wishes
Dmitry