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From: Guenter Roeck <linux@roeck-us.net>
To: Chu Lin <linchuyuan@google.com>
Cc: belgaied@google.com, jasonling@google.com, jdelvare@suse.com,
	linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, zhongqil@google.com
Subject: Re: [PATCH] dt-bindings: hwmon: adm1272: add adm1272-adm1275-temp1-en binding
Date: Sun, 19 Jul 2020 15:22:22 -0700	[thread overview]
Message-ID: <20200719222222.GA78762@roeck-us.net> (raw)
In-Reply-To: <20200710004258.296017-1-linchuyuan@google.com>

On Fri, Jul 10, 2020 at 12:42:58AM +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 adm1272-adm1278-temp1-en. If the
> flag is set, flip the temp1_en control bit on probing.
> 
> Testing:
> make dt_binding_check
> 
> Signed-off-by: Chu Lin <linchuyuan@google.com>
> ---
>  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..4403fe30f005 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
> +- adm1272-adm1278-temp1-en
> +	Enable temperature sampling. This is supported on adm1272 and adm1278

I suspect this should be something like "analog,temp1-enable". Either case,
I would suggest to resend the series and copy DT maintainers at least on
this patch.

Thanks,
Guenter

>  
>  Example:
>  
> @@ -22,4 +24,5 @@ adm1272@10 {
>  	compatible = "adi,adm1272";
>  	reg = <0x10>;
>  	shunt-resistor-micro-ohms = <500>;
> +	adm1272-adm1278-temp1-en;
>  };

  parent reply	other threads:[~2020-07-19 22:22 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-10  0:42 [PATCH] dt-bindings: hwmon: adm1272: add adm1272-adm1275-temp1-en binding Chu Lin
2020-07-13 19:24 ` Chu Lin
2020-07-14 14:03   ` Guenter Roeck
2020-07-19 22:22 ` Guenter Roeck [this message]
2020-07-20  3:12   ` Chu Lin
2020-07-20 22:27   ` Rob Herring

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