[Freedreno] [PATCH 1/2] dt-bindings: msm: disp: Add Display Port HPD GPIO bindings

tanmay at codeaurora.org tanmay at codeaurora.org
Mon Apr 27 23:09:06 UTC 2020


Thanks Rob for reviews.

We are using Display Port Controller block to detect hot plug.
So we won't be using that pin as GPIO.

I found now that we don't need any bindings for that pin in such case.
So I am abandoning this patch series and upload new patch.

Thanks.

On 2020-04-15 08:24, Rob Herring wrote:
> On Tue, Apr 07, 2020 at 03:48:28PM -0700, Tanmay Shah wrote:
>> Add Display Port HPD GPIO description in bindings
>> 
>> This Patch depends on:
>> 	https://patchwork.kernel.org/patch/11468505/
> 
> This belongs below the '---' and probably means you should send all 
> this
> as one series.
> 
>> 
>> Signed-off-by: Tanmay Shah <tanmay at codeaurora.org>
>> ---
>>  Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml | 7
> +++++++
>>  1 file changed, 7 insertions(+)
>> 
>> diff --git
> a/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml
> b/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml
>> index 761a01d..003f5f7 100644
>> --- a/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/dp-sc7180.yaml
>> @@ -155,6 +155,11 @@ properties:
>>       data-lanes:
>>         description: Maximum number of lanes that can be used for
> Display port.
>> 
>> +     dp-hpd-gpio:
> 
> We already have a standard property for this. Use it.
> 
> It belongs in the connector node as HPD is part of the connector.
> 
>> +       maxItems: 1
>> +       description: Specifies HPD gpio for DP connector without
>> +                    USB PHY or AUX switch.
>> +
>>       usbplug-cc-gpio:
> 
> Note that this too should be in a connector node.
> 
>>         maxItems: 1
>>         description: Specifies the usbplug orientation gpio.
>> @@ -282,6 +287,8 @@ examples:
>>          aux-sel-gpio = <&msmgpio 110 1>;
>>          usbplug-cc-gpio = <&msmgpio 90 1>;
>> 
>> +        dp-hpd-gpio = <&msmgpio 117 0>;
>> +
>>          ports {
>>              #address-cells = <1>;
>>              #size-cells = <0>;
>> --
>> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora
> Forum,
>> a Linux Foundation Collaborative Project
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