Commit d3506653 authored by Wolfram Sang's avatar Wolfram Sang Committed by Guenter Roeck
Browse files

hwmon: (lm75) Add NXP P3T1755 support 



Add this LM75 compatible sensor which needs a separate entry because of
its default sampling time and SMBusAlert handling.

Signed-off-by: default avatarWolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20241218074131.4351-7-wsa+renesas@sang-engineering.com


Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 844029c5

Documentation/hwmon/lm75.rst

+4 −2
Original line number Diff line number Diff line
@@ -121,9 +121,9 @@ Supported chips: 


         https://www.ti.com/product/TMP1075



  * NXP LM75B, PCT2075

  * NXP LM75B, P3T1755, PCT2075



    Prefix: 'lm75b', 'pct2075'

    Prefix: 'lm75b', 'p3t1755', 'pct2075'



    Addresses scanned: none
@@ -131,6 +131,8 @@ Supported chips: 


	       https://www.nxp.com/documents/data_sheet/LM75B.pdf



               https://www.nxp.com/docs/en/data-sheet/P3T1755.pdf



               https://www.nxp.com/docs/en/data-sheet/PCT2075.pdf



  * AMS OSRAM AS6200

drivers/hwmon/lm75.c

+13 −0
Original line number Diff line number Diff line
@@ -38,6 +38,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ 
	max6626,

	max31725,

	mcp980x,

	p3t1755,

	pct2075,

	stds75,

	stlm75,
@@ -222,6 +223,13 @@ static const struct lm75_params device_params[] = { 
		.default_resolution = 9,

		.default_sample_time = MSEC_PER_SEC / 18,

	},

	[p3t1755] = {

		.clr_mask = 1 << 1 | 1 << 7,	/* disable SMBAlert and one-shot */

		.default_resolution = 12,

		.default_sample_time = 55,

		.num_sample_times = 4,

		.sample_times = (unsigned int []){ 28, 55, 110, 220 },

	},

	[pct2075] = {

		.default_resolution = 11,

		.default_sample_time = MSEC_PER_SEC / 10,
@@ -734,6 +742,7 @@ static const struct i2c_device_id lm75_ids[] = { 
	{ "max31725", max31725, },

	{ "max31726", max31725, },

	{ "mcp980x", mcp980x, },

	{ "p3t1755", p3t1755, },

	{ "pct2075", pct2075, },

	{ "stds75", stds75, },

	{ "stlm75", stlm75, },
@@ -813,6 +822,10 @@ static const struct of_device_id __maybe_unused lm75_of_match[] = { 
		.compatible = "maxim,mcp980x",

		.data = (void *)mcp980x

	},

	{

		.compatible = "nxp,p3t1755",

		.data = (void *)p3t1755

	},

	{

		.compatible = "nxp,pct2075",

		.data = (void *)pct2075