linux-kernel - Re: [PATCH v1 08/10] arm64: dts: qcom: qrb4210-rb2: enable wsa881x amplifier

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Message-Id: <D6997HYLIQ6L.3FN664SYBLTXM@linaro.org>
Date: Wed, 11 Dec 2024 23:18:37 +0000
From: "Alexey Klimov" <alexey.klimov@...aro.org>
To: "Konrad Dybcio" <konrad.dybcio@....qualcomm.com>, <broonie@...nel.org>,
 <konradybcio@...nel.org>, <andersson@...nel.org>,
 <srinivas.kandagatla@...aro.org>
Cc: <tiwai@...e.com>, <lgirdwood@...il.com>, <perex@...ex.cz>,
 <robh@...nel.org>, <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
 <dmitry.baryshkov@...aro.org>, <linux-sound@...r.kernel.org>,
 <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
 <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v1 08/10] arm64: dts: qcom: qrb4210-rb2: enable wsa881x
 amplifier

On Sat Nov 2, 2024 at 9:30 AM GMT, Konrad Dybcio wrote:
> On 1.11.2024 6:31 AM, Alexey Klimov wrote:
> > One WSA881X amplifier is connected on QRB4210 RB2 board
> > hence only mono speaker is supported. This amplifier is set
> > to work in analog mode only. Also add required powerdown
> > pins/gpios.
> > 
> > Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> > Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 45 ++++++++++++++++++++++++
> >  1 file changed, 45 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > index fc71f5930688..76b9ae1b0ebc 100644
> > --- a/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > +++ b/arch/arm64/boot/dts/qcom/qrb4210-rb2.dts
> > @@ -63,6 +63,16 @@ hdmi_con: endpoint {
> >  		};
> >  	};
> >  
> > +	i2c0_gpio: i2c0 {
> > +		compatible = "i2c-gpio";
> > +
> > +		sda-gpios = <&tlmm 4 GPIO_ACTIVE_HIGH>;
> > +		scl-gpios = <&tlmm 5 GPIO_ACTIVE_HIGH>;
> > +		#address-cells = <1>;
> > +		#size-cells = <0>;
> > +		status = "disabled";
>
> Does it not work with &i2c1?

Actually it does work with i2c1 (non-gpio version).
I am going to use that and will see how it behaves.

Thanks!

Best regards,
Alexey