linux-kernel - Re: [PATCH v4 3/4] hwmon: lm75: Add ti,lm75 to of

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Date:   Sat, 6 Feb 2021 08:54:31 -0800
From:   Guenter Roeck <linux@...ck-us.net>
To:     "Matwey V. Kornilov" <matwey@....msu.ru>,
        Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:HARDWARE MONITORING" <linux-hwmon@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v4 3/4] hwmon: lm75: Add ti,lm75 to of_match list

On 2/6/21 1:51 AM, Matwey V. Kornilov wrote:
> Currently, armada-388-helios4.dts and nuvoton-npcm730-kudo.dts use
> "ti,lm75" compatible string.
> 
> TI LM75A/B are compatible with original LM75A
> 
> https://www.ti.com/lit/ds/symlink/lm75a.pdf
> https://www.ti.com/lit/ds/symlink/lm75b.pdf
> 
> Signed-off-by: Matwey V. Kornilov <matwey@....msu.ru>
> ---
>  Documentation/devicetree/bindings/hwmon/lm75.yaml | 1 +
>  drivers/hwmon/lm75.c                              | 4 ++++
>  2 files changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml
> index 8c3848f4c277..721e77ce4390 100644
> --- a/Documentation/devicetree/bindings/hwmon/lm75.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml
> @@ -32,6 +32,7 @@ properties:
>        - st,stds75
>        - st,stlm75
>        - microchip,tcn75
> +      - ti,lm75
>        - ti,tmp100
>        - ti,tmp101
>        - ti,tmp105
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index 9c54c7d86771..3e4374aa2f99 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -750,6 +750,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
>  		.compatible = "microchip,tcn75",
>  		.data = (void *)tcn75
>  	},
> +	{
> +		.compatible = "ti,lm75",
> +		.data = (void *)lm75a
> +	},

I think that would be better aligned with lm75, not with lm75a.

Thanks,
Guenter

>  	{
>  		.compatible = "ti,tmp100",
>  		.data = (void *)tmp100
>