linux-kernel - Re: [PATCH v4 4/5] arm64: dts: qcom: sm4250: add LPASS LPI pin controller

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Message-Id: <D5JV0MOQ5QLW.16CF2337CD1TW@linaro.org>
Date: Tue, 12 Nov 2024 02:54:45 +0000
From: "Alexey Klimov" <alexey.klimov@...aro.org>
To: "Dmitry Baryshkov" <dmitry.baryshkov@...aro.org>
Cc: <linux-sound@...r.kernel.org>, <srinivas.kandagatla@...aro.org>,
 <broonie@...nel.org>, <lgirdwood@...il.com>, <robh@...nel.org>,
 <krzk+dt@...nel.org>, <conor+dt@...nel.org>, <andersson@...nel.org>,
 <konradybcio@...nel.org>, <perex@...ex.cz>, <tiwai@...e.com>,
 <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
 <krzysztof.kozlowski@...aro.org>, <caleb.connolly@...aro.org>,
 <linux-kernel@...r.kernel.org>, <a39.skl@...il.com>
Subject: Re: [PATCH v4 4/5] arm64: dts: qcom: sm4250: add LPASS LPI pin
 controller

On Fri Nov 1, 2024 at 7:50 AM GMT, Dmitry Baryshkov wrote:
> On Fri, Nov 01, 2024 at 12:59:24AM +0000, Alexey Klimov wrote:
> > Add the Low Power Audio SubSystem Low Power Island (LPASS LPI) pin
> > controller device node required for audio subsystem on Qualcomm
> > QRB4210 RB2. QRB4210 is based on sm4250 which has a slightly different
> > lpass pin controller comparing to sm6115.
> > 
> > While at this, also add description of lpi_i2s2 pins (active state)
> > required for audio playback via HDMI.
> > 
> > Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> > Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> > Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/sm4250.dtsi | 39 ++++++++++++++++++++++++++++
> >  1 file changed, 39 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sm4250.dtsi b/arch/arm64/boot/dts/qcom/sm4250.dtsi
> > index a0ed61925e12..1b9983ab122e 100644
> > --- a/arch/arm64/boot/dts/qcom/sm4250.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sm4250.dtsi
> > @@ -36,3 +36,42 @@ &cpu6 {
> >  &cpu7 {
> >  	compatible = "qcom,kryo240";
> >  };
> > +
> > +&lpass_tlmm {
> > +	compatible = "qcom,sm4250-lpass-lpi-pinctrl";
> > +	gpio-ranges = <&lpass_tlmm 0 0 26>;
>
> I think this should be <&lpass_tlmm 0 0 27>. The driver defines pins
> 0-26.

Nice catch. Thanks, corrected and resend as version 5.

Best regards,
Alexey