linux-kernel - Re: [RFC PATCH 2/2] hwmon: (sht3x) add device-tree support

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Date:   Wed, 21 Jun 2023 08:35:53 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     JuenKit Yip <JuenKit_Yip@...mail.com>
Cc:     jdelvare@...e.com, linux-hwmon@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 2/2] hwmon: (sht3x) add device-tree support

On Wed, Jun 21, 2023 at 11:59:37AM +0800, JuenKit Yip wrote:
> add "compatible" property for supporting device-tree
> 
> Signed-off-by: JuenKit Yip <JuenKit_Yip@...mail.com>
> ---
>  drivers/hwmon/sht3x.c | 12 +++++++++++-
>  1 file changed, 11 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/sht3x.c b/drivers/hwmon/sht3x.c
> index 31013b5b6..edcf6820c 100644
> --- a/drivers/hwmon/sht3x.c
> +++ b/drivers/hwmon/sht3x.c
> @@ -923,8 +923,18 @@ static const struct i2c_device_id sht3x_ids[] = {
>  
>  MODULE_DEVICE_TABLE(i2c, sht3x_ids);
>  
> +/* devicetree ID table */
> +static const struct of_device_id sht3x_of_match[] = {
> +	{ .compatible = "sensirion,sht3x" },
> +	{ .compatible = "sensirion,sts3x" },

Also needs a separate patch addding the two devices
to Documentation/devicetree/bindings/trivial-devices.yaml.

> +	{},
> +};
> +
>  static struct i2c_driver sht3x_i2c_driver = {
> -	.driver.name = "sht3x",
> +	.driver = {
> +		.name = "sht3x",
> +		.of_match_table = of_match_ptr(sht3x_of_match),
> +	},
>  	.probe       = sht3x_probe,
>  	.id_table    = sht3x_ids,
>  };
> -- 
> 2.30.2
>