linux-kernel - Re: [PATCH v2 1/3] dt-bindings: soc: rockchip: add rk3576 vo1-grf syscon

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Message-ID: <ee27926c06bedd62f417dbd7d01ce8b3@manjaro.org>
Date: Fri, 18 Oct 2024 08:37:36 +0200
From: Dragan Simic <dsimic@...jaro.org>
To: Frank Wang <frawang.cn@...il.com>
Cc: vkoul@...nel.org, kishon@...nel.org, robh@...nel.org,
 krzk+dt@...nel.org, conor+dt@...nel.org, heiko@...ech.de,
 linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 linux-rockchip@...ts.infradead.org, william.wu@...k-chips.com,
 tim.chen@...k-chips.com, yubing.zhang@...k-chips.com, Frank Wang
 <frank.wang@...k-chips.com>
Subject: Re: [PATCH v2 1/3] dt-bindings: soc: rockchip: add rk3576 vo1-grf
 syscon

Hello Frank,

On 2024-10-18 08:18, Frank Wang wrote:
> On 2024/10/18 13:02, Dragan Simic wrote:
>> On 2024-10-17 04:52, Frank Wang wrote:
>>> From: Frank Wang <frank.wang@...k-chips.com>
>>> 
>>> Add rockchip,rk3576-vo1-grf syscon compatible, the vo1-grf is
>>> configured in usbdp phy driver.
>>> 
>>> Signed-off-by: Frank Wang <frank.wang@...k-chips.com>
>>> ---
>>> Changelog:
>>> v2:
>>>  - This is a new patch adds rk3576-vo1-grf syscon.
>> 
>> Could you, please, clarify a bit why is this additional patch
>> needed in this series?
> 
> I mentioned in the commit content. The usbdp-phy driver select dp
> lanes via configuring the vo1-grf.

Yes, I already saw that in the patch description.  Though, and
I apologize if I'm missing something obvious, I can't see where
is it actually used in the code?  Is it yet to be used in the
dts(i) files?

I'd appreciate if you could clarify that just a bit further, so
I can hopefully understand it better.

>>> v1:
>>>  - none
>>> 
>>>  Documentation/devicetree/bindings/soc/rockchip/grf.yaml | 2 ++
>>>  1 file changed, 2 insertions(+)
>>> 
>>> diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
>>> b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
>>> index 50d727f4b76c6..fd42217ab85e7 100644
>>> --- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
>>> +++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
>>> @@ -33,6 +33,7 @@ properties:
>>>                - rockchip,rk3576-usb-grf
>>>                - rockchip,rk3576-usbdpphy-grf
>>>                - rockchip,rk3576-vo0-grf
>>> +              - rockchip,rk3576-vo1-grf
>>>                - rockchip,rk3576-vop-grf
>>>                - rockchip,rk3588-bigcore0-grf
>>>                - rockchip,rk3588-bigcore1-grf
>>> @@ -283,6 +284,7 @@ allOf:
>>>          compatible:
>>>            contains:
>>>              enum:
>>> +              - rockchip,rk3576-vo1-grf
>>>                - rockchip,rk3588-vo-grf
>>>                - rockchip,rk3588-vo0-grf
>>>                - rockchip,rk3588-vo1-grf
> 
> 
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip

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