linux-kernel - Re: [PATCH 18/18] MIPS: DTS: CI20: fix bluetooth as reported by dtbscheck

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Date:   Sat, 9 Apr 2022 15:10:23 +0200
From:   "H. Nikolaus Schaller" <hns@...delico.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Paul Cercueil <paul@...pouillou.net>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-mips@...r.kernel.org, letux-kernel@...nphoenux.org
Subject: Re: [PATCH 18/18] MIPS: DTS: CI20: fix bluetooth as reported by
 dtbscheck



> Am 09.04.2022 um 13:22 schrieb Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>:
> 
> On 08/04/2022 20:38, H. Nikolaus Schaller wrote:
>> arch/mips/boot/dts/ingenic/ci20.dtb: bluetooth: vcc-supply does not match any of the regexes: pinctrl-[0-9]+
>> 	From schema: Documentation/devicetree/bindings/net/broadcom-bluetooth.yaml
>> 
>> Signed-off-by: H. Nikolaus Schaller <hns@...delico.com>
>> ---
>> arch/mips/boot/dts/ingenic/ci20.dts | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>> 
>> diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
>> index dc587b4b36009..8a120f9374331 100644
>> --- a/arch/mips/boot/dts/ingenic/ci20.dts
>> +++ b/arch/mips/boot/dts/ingenic/ci20.dts
>> @@ -207,7 +207,7 @@ &uart2 {
>> 	bluetooth {
>> 		compatible = "brcm,bcm4330-bt";
>> 		reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
>> -		vcc-supply = <&wlan0_power>;
>> +		vbat-supply = <&wlan0_power>;
> 
> Could be also vddio...

Good hint.

Schematics has both vbat AND vddio connected.

But with that finding, there is also a wifi_io regulator
for 2.5V. It is always-on and NOT yet controlled.

So this is worth a functional addition. But not related
to dtbscheck cleanup because it even is optional.
Hence a separate topic.

> 
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> 
> 
> Best regards,
> Krzysztof

In summary for reviewing all patches: many thanks!

BR,
Nikolaus