linux-kernel - Re: [PATCH v3 6/7] ASoC: dt-bindings: xmos,xvf3500: add XMOS XVF3500 voice processor

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Message-ID: <ZcJOrvmbukDubcuM@google.com>
Date: Tue, 6 Feb 2024 15:22:22 +0000
From: Matthias Kaehlcke <mka@...omium.org>
To: Javier Carrasco <javier.carrasco@...fvision.net>
Cc: Mark Brown <broonie@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-sound@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH v3 6/7] ASoC: dt-bindings: xmos,xvf3500: add XMOS XVF3500
 voice processor

On Tue, Feb 06, 2024 at 04:05:15PM +0100, Javier Carrasco wrote:
> On 06.02.24 15:32, Mark Brown wrote:
> > On Tue, Feb 06, 2024 at 02:59:34PM +0100, Javier Carrasco wrote:
> > 
> >> The XMOS XVF3500 VocalFusion Voice Processor[1] is a low-latency, 32-bit
> >> multicore controller for voice processing.
> > 
> > Acked-by: Mark Brown <broonie@...nel.org>
> > 
> > though...
> > 
> >> +  vdd-supply:
> >> +    description:
> >> +      Regulator for the 1V0 supply.
> >> +
> >> +  vdd2-supply:
> >> +    description:
> >> +      Regulator for the 3V3 supply.
> > 
> > ...it's a bit weird that the supplies are named like this, usually
> > there'd be some sort of meaningful name (even if it's just VDD_1V0 and
> > VDD_3V3 or something).  Are you sure these are the actual names?
> 
> The names in the datasheet are vdd for the 1V0 supply and vddio for the
> 3V3 supply. I named the latter vdd2 instead because this device does not
> have its own driver and instead it uses the onboard_usb_hub generic
> driver, where the supplies are named vdd and vdd2.
> 
> Those are the names used for devm_regulator_bulk_get(). Is that not the
> right way to match them?

If desired the driver could be extended to support device specific regulator
names through struct onboard_hub/dev_pdata.