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

From: Konrad Dybcio
Date: Tue Mar 04 2025 - 12:23:15 EST


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@xxxxxxxxxx>
> Signed-off-by: Alexey Klimov <alexey.klimov@xxxxxxxxxx>
> ---
> 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@a7c0000 {
> + 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