Re: [PATCH 09/11] arm64: dts: qcom: sc8280xp-x13s: Add PM8280_{1/2} VADC channels
From: Krzysztof Kozlowski
Date: Thu Oct 27 2022 - 10:09:33 EST
On 27/10/2022 02:30, Manivannan Sadhasivam wrote:
> Add VADC channels of PM8280_{1/2} PMICs for measuring the on-chip die
> temperature and external thermistors connected to the AMUX pins.
>
> The measurements are collected by the primary PMIC PMK8280 from the
> slave PMICs PM8280_{1/2} and exposed them over the PMK8280's VADC
secondary PMICs
Drop "them"
> channels.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
> .../qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 61 +++++++++++++++++++
> 1 file changed, 61 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> index 9ac5d5c22832..d300d217fdc6 100644
> --- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> +++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
> @@ -7,6 +7,7 @@
> /dts-v1/;
>
> #include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/iio/qcom,spmi-adc7-pm8350.h>
> #include <dt-bindings/iio/qcom,spmi-adc7-pmk8350.h>
> #include <dt-bindings/regulator/qcom,rpmh-regulator.h>
>
> @@ -189,6 +190,66 @@ pmk8280-xo-therm@44 {
> qcom,ratiometric;
> qcom,hw-settle-time = <200>;
> };
> +
> + pm8280-1-die-temp@103 {
pmic-die-temp? What pm8280 stands here?
> + reg = <PM8350_ADC7_DIE_TEMP(1)>;
> + label = "pm8280_1_die_temp";
> + qcom,pre-scaling = <1 1>;
> + };
> +
> + sys-therm1@144 {
I would say sys-therm@... why do we need the "1" suffix in node name?
> + reg = <PM8350_ADC7_AMUX_THM1_100K_PU(1)>;
> + qcom,ratiometric;
> + qcom,hw-settle-time = <200>;
> + };
Best regards,
Krzysztof