linux-kernel - Re: [PATCH v2] ARM: dts: omap4-embt2ws: Add Bluetooth

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Message-ID: <20231004170021.36b32465@aktux>
Date:   Wed, 4 Oct 2023 17:00:21 +0200
From:   Andreas Kemnade <andreas@...nade.info>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     bcousson@...libre.com, tony@...mide.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] ARM: dts: omap4-embt2ws: Add Bluetooth

On Wed, 4 Oct 2023 16:53:14 +0200
Andreas Kemnade <andreas@...nade.info> wrote:

> Hi,
> 
> On Wed, 4 Oct 2023 09:59:59 +0200
> Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:
> 
> [...]
> > > diff --git a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> > > index 46a80eacf771..6a790124bcf5 100644
> > > --- a/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> > > +++ b/arch/arm/boot/dts/ti/omap/omap4-epson-embt2ws.dts
> > > @@ -447,10 +447,12 @@ &uart2 {
> > >  	interrupts-extended = <&wakeupgen GIC_SPI 73 IRQ_TYPE_LEVEL_HIGH
> > >  			       &omap4_pmx_core OMAP4_UART2_RX>;
> > >  
> > > -	/*
> > > -	 * BT + GPS in WL1283 in WG7500 requiring CLK32KAUDIO of pmic
> > > -	 * which does not have a driver
> > > -	 */
> > > +	bluetooth-gnss {    
> > 
> > If you changed the bindings, please share a link. If not, this is not
> > currently accepted and dtbs_check should point it out.
> >   
> 
> according to dtbs_check:
> 
> good:
> - bluetooth-gnss
> - bluettooth-gnss
> 
> bad:
> - bluettooth-gnnss
> - tiwi (still there in pandaboards)
>
The only authoritative source I find here:
 Documentation/devicetree/bindings/serial/serial.yaml:
patternProperties:
  "^bluetooth|gnss|gps|mcu$":

It allows:
 everything starting with bluetooth
 everything containing gnss
 everything containing gps
 everything ending with mcu

bluetooth-gnss starts with bluetooth, so it is allowed.
Do you have anything else forbidding bluetooth-gnss?

Regards,
Andreas

> Regards,
> Andreas
> 
>