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
next prev 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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