linux-kernel - Re: [PATCH 4/5] arm64: dts: qcom: qcm2290: add LPASS LPI pin controller

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Message-ID: <f9ce1585-d3d5-460a-8374-4a5f1733bdd6@oss.qualcomm.com>
Date: Tue, 4 Mar 2025 17:55:52 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Alexey Klimov <alexey.klimov@...aro.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley
 <conor+dt@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>, Mark Brown <broonie@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-sound@...r.kernel.org
Subject: Re: [PATCH 4/5] arm64: dts: qcom: qcm2290: add LPASS LPI pin
 controller

On 2.03.2025 3:49 AM, Alexey Klimov wrote:
> Add the Low Power Audio SubSystem Low Power Island (LPASS LPI) pin
> controller device node required for audio subsystem on Qualcomm
> QRB2210 RB1. QRB2210 is based on qcm2290 which is based on sm6115.
> 
> While at this, also add description of lpi_i2s2 pins (active state)
> required for audio playback via HDMI/I2S.
> 
> Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> Signed-off-by: Alexey Klimov <alexey.klimov@...aro.org>
> ---
>  arch/arm64/boot/dts/qcom/qcm2290.dtsi | 41 +++++++++++++++++++++++++++++++++++
>  1 file changed, 41 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcm2290.dtsi b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> index 2c90047f7dd867580836284721c60ed5983f3f34..623046ba833b6da284ffa4e30e65ea4ae5fb77a2 100644
> --- a/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> +++ b/arch/arm64/boot/dts/qcom/qcm2290.dtsi
> @@ -18,6 +18,7 @@
>  #include <dt-bindings/power/qcom-rpmpd.h>
>  #include <dt-bindings/soc/qcom,apr.h>
>  #include <dt-bindings/sound/qcom,q6asm.h>
> +#include <dt-bindings/sound/qcom,q6dsp-lpass-ports.h>
>  
>  / {
>  	interrupt-parent = <&intc>;
> @@ -650,6 +651,46 @@ data-pins {
>  			};
>  		};
>  
> +		lpass_tlmm: pinctrl@...0000 {
> +			compatible = "qcom,qcm2290-lpass-lpi-pinctrl",
> +				     "qcom,sm6115-lpass-lpi-pinctrl";
> +			reg = <0x0 0x0a7c0000 0x0 0x20000>,
> +			      <0x0 0x0a950000 0x0 0x10000>;

The nodes look good, but this addition isn't correctly sorted

Konrad