linux-kernel - Re: [PATCH v2] dt-bindings: hwmon: adm1272: add analog-temperature1-enable binding

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Date:   Mon, 20 Jul 2020 16:42:44 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Chu Lin <linchuyuan@...gle.com>
Cc:     robh+dt@...nel.org, jdelvare@...e.com, =belgaied@...gle.com,
        jasonling@...gle.com, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org, zhongqil@...gle.com
Subject: Re: [PATCH v2] dt-bindings: hwmon: adm1272: add
 analog-temperature1-enable binding

On Mon, Jul 20, 2020 at 08:14:22PM +0000, Chu Lin wrote:
> Problem:
> 	adm1272 and adm1278 supports temperature sampling. The
> current way of enabling it requires the user manually unbind the device
> from the driver, flip the temperature sampling control bit and then bind
> the device back to the driver. It would be nice if we can control this in a
> better way by reading the dt.
> 
> Solution:
> 	Introducing device tree binding analog-temperature1-enable. If the
> flag is set, flip the temp1_en control bit on probing.
> 
> Testing:
> make dt_binding_check
> 
> Signed-off-by: Chu Lin <linchuyuan@...gle.com>
> ---
> ChangeLog v1->v2:
>   - Rename adm1272-adm1278-temp1-en to analog-temperature1-enable

This needs to be either analog,temperature1-enable or analog,temp1-enable
(comma instead of '-').

Thanks,
Guenter

> 
>  Documentation/devicetree/bindings/hwmon/adm1275.txt | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/adm1275.txt b/Documentation/devicetree/bindings/hwmon/adm1275.txt
> index 1ecd03f3da4d..7a345c7794a2 100644
> --- a/Documentation/devicetree/bindings/hwmon/adm1275.txt
> +++ b/Documentation/devicetree/bindings/hwmon/adm1275.txt
> @@ -15,6 +15,8 @@ Optional properties:
>  
>  - shunt-resistor-micro-ohms
>  	Shunt resistor value in micro-Ohm
> +- analog-temperature1-enable
> +	Enable temperature sampling. This is supported on adm1272 and adm1278
>  
>  Example:
>  
> @@ -22,4 +24,5 @@ adm1272@10 {
>  	compatible = "adi,adm1272";
>  	reg = <0x10>;
>  	shunt-resistor-micro-ohms = <500>;
> +	analog-temperature1-enable;
>  };
> -- 
> 2.28.0.rc0.105.gf9edc3c819-goog
>