linux-kernel - Re: [PATCH v2 2/2] hwmon: (lm75) Add Atmel AT30TS74 support

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Date:   Mon, 25 Apr 2022 14:09:28 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Peter Rosin <peda@...ntia.se>
Cc:     linux-kernel@...r.kernel.org, Jean Delvare <jdelvare@...e.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH v2 2/2] hwmon: (lm75) Add Atmel AT30TS74 support

On Mon, Apr 25, 2022 at 10:35:50PM +0200, Peter Rosin wrote:
> Atmel (now Microchip) AT30TS74 is an LM75 compatible sensor. Add it.
> 
> Signed-off-by: Peter Rosin <peda@...ntia.se>

Applied to hwmon-next.

Thanks,
Guenter

> ---
>  drivers/hwmon/Kconfig |  1 +
>  drivers/hwmon/lm75.c  | 14 ++++++++++++++
>  2 files changed, 15 insertions(+)
> 
> diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
> index 68a8a27ab3b7..d8dc58b2c55a 100644
> --- a/drivers/hwmon/Kconfig
> +++ b/drivers/hwmon/Kconfig
> @@ -1248,6 +1248,7 @@ config SENSORS_LM75
>  	  temperature sensor chip, with models including:
>  
>  		- Analog Devices ADT75
> +		- Atmel (now Microchip) AT30TS74
>  		- Dallas Semiconductor DS75, DS1775 and DS7505
>  		- Global Mixed-mode Technology (GMT) G751
>  		- Maxim MAX6625 and MAX6626
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index afdbb63237b9..66dc826f7962 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -26,6 +26,7 @@
>  
>  enum lm75_type {		/* keep sorted in alphabetical order */
>  	adt75,
> +	at30ts74,
>  	ds1775,
>  	ds75,
>  	ds7505,
> @@ -128,6 +129,14 @@ static const struct lm75_params device_params[] = {
>  		.default_resolution = 12,
>  		.default_sample_time = MSEC_PER_SEC / 10,
>  	},
> +	[at30ts74] = {
> +		.set_mask = 3 << 5,	/* 12-bit mode*/
> +		.default_resolution = 12,
> +		.default_sample_time = 200,
> +		.num_sample_times = 4,
> +		.sample_times = (unsigned int []){ 25, 50, 100, 200 },
> +		.resolutions = (u8 []) {9, 10, 11, 12 },
> +	},
>  	[ds1775] = {
>  		.clr_mask = 3 << 5,
>  		.set_mask = 2 << 5,	/* 11-bit mode */
> @@ -645,6 +654,7 @@ static int lm75_probe(struct i2c_client *client)
>  
>  static const struct i2c_device_id lm75_ids[] = {
>  	{ "adt75", adt75, },
> +	{ "at30ts74", at30ts74, },
>  	{ "ds1775", ds1775, },
>  	{ "ds75", ds75, },
>  	{ "ds7505", ds7505, },
> @@ -680,6 +690,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
>  		.compatible = "adi,adt75",
>  		.data = (void *)adt75
>  	},
> +	{
> +		.compatible = "atmel,at30ts74",
> +		.data = (void *)at30ts74
> +	},
>  	{
>  		.compatible = "dallas,ds1775",
>  		.data = (void *)ds1775