Re: [PATCH v4 2/4] hwmon: lm75: Add nxp,lm75a to of_match list

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On 2/6/21 1:51 AM, Matwey V. Kornilov wrote:
> NXP LM75A is compatible with original LM75A while it has improved
> 11-bit precision.
> 
> https://www.nxp.com/docs/en/data-sheet/LM75A.pdf
> 
> Signed-off-by: Matwey V. Kornilov <matwey@xxxxxxxxxx>
> ---
>  Documentation/devicetree/bindings/hwmon/lm75.yaml |  1 +
>  drivers/hwmon/lm75.c                              | 11 +++++++++++
>  2 files changed, 12 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/lm75.yaml b/Documentation/devicetree/bindings/hwmon/lm75.yaml
> index aec8edd1e0c6..8c3848f4c277 100644
> --- a/Documentation/devicetree/bindings/hwmon/lm75.yaml
> +++ b/Documentation/devicetree/bindings/hwmon/lm75.yaml
> @@ -22,6 +22,7 @@ properties:
>        - national,lm75
>        - national,lm75a
>        - national,lm75b
> +      - nxp,lm75a
>        - maxim,max6625
>        - maxim,max6626
>        - maxim,max31725
> diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
> index 08cde1c446db..9c54c7d86771 100644
> --- a/drivers/hwmon/lm75.c
> +++ b/drivers/hwmon/lm75.c
> @@ -33,6 +33,7 @@ enum lm75_type {		/* keep sorted in alphabetical order */
>  	lm75,
>  	lm75a,
>  	lm75b,
> +	nxp_lm75,

Please make this lm75a_nxp for improved alphabetical alignment
and to reflect that it is LM75A.

>  	max6625,
>  	max6626,
>  	max31725,
> @@ -182,6 +183,11 @@ static const struct lm75_params device_params[] = {
>  		.default_resolution = 11,
>  		.default_sample_time = MSEC_PER_SEC / 10,
>  	},
> +	[nxp_lm75] = {
> +		.default_resolution = 11,
> +		.default_sample_time = MSEC_PER_SEC / 10,
> +		.resolution_limits = 9,
> +	},
>  	[max6625] = {
>  		.default_resolution = 9,
>  		.default_sample_time = MSEC_PER_SEC / 7,
> @@ -644,6 +650,7 @@ static const struct i2c_device_id lm75_ids[] = {
>  	{ "lm75", lm75, },
>  	{ "lm75a", lm75a, },
>  	{ "lm75b", lm75b, },
> +	{ "nxp_lm75a", nxp_lm75, },
>  	{ "max6625", max6625, },
>  	{ "max6626", max6626, },
>  	{ "max31725", max31725, },
> @@ -703,6 +710,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = {
>  		.compatible = "national,lm75b",
>  		.data = (void *)lm75b
>  	},
> +	{
> +		.compatible = "nxp,lm75a",
> +		.data = (void *)nxp_lm75
> +	},
>  	{
>  		.compatible = "maxim,max6625",
>  		.data = (void *)max6625
> 




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