linux-kernel - Re: [PATCH V2] arm64: dts: qcs6490-rb3gen2: Add vadc and adc-tm channels

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Message-ID: <fc8483e2-b149-4f7c-b62a-9e7d0f6e2c65@oss.qualcomm.com>
Date: Tue, 11 Feb 2025 15:45:21 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Rakesh Kota <quic_kotarake@...cinc.com>, andersson@...nel.org,
        konradybcio@...nel.org, robh@...nel.org, krzk+dt@...nel.org,
        conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Cc: quic_kamalw@...cinc.com, quic_jprakash@...cinc.com
Subject: Re: [PATCH V2] arm64: dts: qcs6490-rb3gen2: Add vadc and adc-tm
 channels

On 29.01.2025 12:52 PM, Rakesh Kota wrote:
> Add support for vadc and adc-tm channels which are used for
> monitoring thermistors present on the platform.
> 
> - Add the necessary includes for qcom,spmi-adc7-pm7325 and
>   qcom,spmi-adc7-pmk8350.
> - Add thermal zones for quiet-thermal, sdm-skin-thermal, and
>   xo-thermal, and define their polling delays and thermal sensors.
> - Configure the pm7325_temp_alarm node to use the pmk8350_vadc
>   channel for thermal monitoring.
> - Configure the pmk8350_adc_tm node to enable its thermal sensors
>   and define their registers and settings.
> - Configure the pmk8350_vadc node to define its channels and settings
> 
> Signed-off-by: Rakesh Kota <quic_kotarake@...cinc.com>
> ---
> Changes from V1:
>  - Update the Die temp name to Channel as per Documentation.
>  - As per Konrad Dybcio’s suggestion, I have sorted the pmk8350_adc_tm
>    channels by unit address instead of alphabetically.
> --- 
> arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts | 114 +++++++++++++++++++
>  1 file changed, 114 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> index 7a36c90ad4ec..54ad11d33b38 100644
> --- a/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> +++ b/arch/arm64/boot/dts/qcom/qcs6490-rb3gen2.dts
> @@ -9,6 +9,8 @@
>  #define PM7250B_SID 8
>  #define PM7250B_SID1 9
>  
> +#include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
> +#include <dt-bindings/iio/qcom,spmi-adc7-pm7325.h>
>  #include <dt-bindings/leds/common.h>
>  #include <dt-bindings/pinctrl/qcom,pmic-gpio.h>
>  #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
> @@ -212,6 +214,50 @@ pmic_glink_sbu_in: endpoint {
>  		};
>  	};
>  
> +	thermal-zones {
> +		sdm-skin-thermal {
> +			polling-delay-passive = <0>;
> +			polling-delay = <0>;

0 is the default value, please drop these properties across the board

Looks good otherwise

Konrad