linux-kernel - Re: [PATCH] ARM: dts: vf610-zii-dev: enable vf610 builtin temp sensor

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Date:   Wed, 16 May 2018 09:24:31 +0200
From:   Stefan Agner <stefan@...er.ch>
To:     Nikita Yushchenko <nikita.yoush@...entembedded.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Chris Healy <cphealy@...il.com>
Subject: Re: [PATCH] ARM: dts: vf610-zii-dev: enable vf610 builtin temp sensor

On 16.05.2018 08:39, Nikita Yushchenko wrote:
> Vybrid has single internal temperature sensor connected to both internal
> ADC modules.
> 
> vf610-zii-dev already has ADC0 enabled. Now, to get temperature sensor
> captured by iio_hwmon driver, need to configure iio_hwmon node to use
> that ADC.

That seems sensible.

Acked-by: Stefan Agner <stefan@...er.ch>

> 
> Signed-off-by: Nikita Yushchenko <nikita.yoush@...entembedded.com>
> ---
>  arch/arm/boot/dts/vf610-zii-dev.dtsi | 4 ++++
>  arch/arm/boot/dts/vfxxx.dtsi         | 2 +-
>  2 files changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/vf610-zii-dev.dtsi
> b/arch/arm/boot/dts/vf610-zii-dev.dtsi
> index 4890b8a5aa44..5ae5abfe1d55 100644
> --- a/arch/arm/boot/dts/vf610-zii-dev.dtsi
> +++ b/arch/arm/boot/dts/vf610-zii-dev.dtsi
> @@ -222,6 +222,10 @@
>  	status = "okay";
>  };
>  
> +&tempsensor {
> +	io-channels = <&adc0 16>;
> +};
> +
>  &iomuxc {
>  	pinctrl_adc0_ad5: adc0ad5grp {
>  		fsl,pins = <
> diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
> index c3f09b737924..d392794d9c13 100644
> --- a/arch/arm/boot/dts/vfxxx.dtsi
> +++ b/arch/arm/boot/dts/vfxxx.dtsi
> @@ -84,7 +84,7 @@
>  		mask = <0x1000>;
>  	};
>  
> -	iio-hwmon {
> +	tempsensor: iio-hwmon {
>  		compatible = "iio-hwmon";
>  		io-channels = <&adc0 16>, <&adc1 16>;
>  	};