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From: Peter Rosin <peda@axentia.se>
To: linux-kernel@vger.kernel.org
Cc: Jean Delvare <jdelvare@suse.com>,
	Guenter Roeck <linux@roeck-us.net>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	linux-hwmon@vger.kernel.org, devicetree@vger.kernel.org
Subject: [PATCH v2 2/2] hwmon: (lm75) Add Atmel AT30TS74 support
Date: Mon, 25 Apr 2022 22:35:50 +0200	[thread overview]
Message-ID: <9494dfbc-f506-3e94-501d-6760c487c93d@axentia.se> (raw)
In-Reply-To: <ea4cd16b-4a04-8857-d08a-53be58b00d28@axentia.se>

Atmel (now Microchip) AT30TS74 is an LM75 compatible sensor. Add it.

Signed-off-by: Peter Rosin <peda@axentia.se>
---
 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
-- 
2.20.1


  parent reply	other threads:[~2022-04-25 20:36 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-25 20:35 [PATCH v2 0/2] Add support for Atmel AT30TS74 Peter Rosin
2022-04-25 20:35 ` [PATCH v2 1/2] dt-bindings: hwmon: Add " Peter Rosin
2022-04-25 21:09   ` Guenter Roeck
2022-04-25 20:35 ` Peter Rosin [this message]
2022-04-25 21:09   ` [PATCH v2 2/2] hwmon: (lm75) Add Atmel AT30TS74 support Guenter Roeck

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