linux-kernel - Re: [PATCH v2 2/3] dt-bindings: display: panel: add TDO tl070wsh30 DSI panel bindings

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Date:   Mon, 7 Sep 2020 15:24:47 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Sam Ravnborg <sam@...nborg.org>
Cc:     thierry.reding@...il.com, devicetree@...r.kernel.org,
        dri-devel@...ts.freedesktop.org, linux-amlogic@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/3] dt-bindings: display: panel: add TDO tl070wsh30
 DSI panel bindings

Hi,

On 07/09/2020 13:45, Sam Ravnborg wrote:
> Hi Neil.
> 
> On Mon, Sep 07, 2020 at 01:10:26PM +0200, Neil Armstrong wrote:
>> This add the bindings for the 1024*600 tl070wsh30 DSI panel.
> 
> The binding looks like a panel-simple-dsi.yaml candidate.
> Only differen is enable-gpios versus reset-gpios

This is the only difference, the panel only has a reset signal and no
enable signal.

But I can add a reset-gpios to panel-simple-dsi.yaml, would it be ok ?

Neil

> 
> Could you check if we can use panel-simple-dsi-yaml.
> 
> 	Sam
> 
>>
>> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
>> ---
>>  .../display/panel/tdo,tl070wsh30.yaml         | 58 +++++++++++++++++++
>>  1 file changed, 58 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/display/panel/tdo,tl070wsh30.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/display/panel/tdo,tl070wsh30.yaml b/Documentation/devicetree/bindings/display/panel/tdo,tl070wsh30.yaml
>> new file mode 100644
>> index 000000000000..20f4fdedfcb0
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/display/panel/tdo,tl070wsh30.yaml
>> @@ -0,0 +1,58 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only or BSD-2-Clause)
>> +# Copyright 2020 BayLibre, SAS
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/display/panel/tdo,tl070wsh30.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: TDO TL070WSH30 DSI panel
>> +
>> +maintainers:
>> +  - Neil Armstrong <narmstrong@...libre.com>
>> +
>> +allOf:
>> +  - $ref: panel-common.yaml#
>> +
>> +properties:
>> +
>> +  compatible:
>> +    enum:
>> +      - tdo,tl070wsh30
>> +
>> +  reg:
>> +    maxItems: 1
>> +    description: DSI virtual channel
>> +
>> +  backlight: true
>> +  reset-gpios: true
>> +  port: true
>> +  power-supply: true
>> +
>> +additionalProperties: false
>> +
>> +required:
>> +  - compatible
>> +  - power-supply
>> +  - reset-gpios
>> +  - port
>> +  - reg
>> +
>> +examples:
>> +  - |
>> +    dsi {
>> +      #address-cells = <1>;
>> +      #size-cells = <0>;
>> +      panel@0 {
>> +        compatible = "tdo,tl070wsh30";
>> +        reg = <0>;
>> +        power-supply = <&vcc_lcd_reg>;
>> +        backlight = <&panel_backlight>;
>> +        reset-gpios = <&gpio_reset>;
>> +
>> +        port {
>> +          panel: endpoint {
>> +            remote-endpoint = <&mipi_dsi_out>;
>> +          };
>> +        };
>> +      };
>> +    };
>> -- 
>> 2.22.0