From 3fbc81e3c0257c756c0955bcb291374d74c11f61 Mon Sep 17 00:00:00 2001 From: Jean Delvare Date: Sat, 4 May 2013 14:49:36 +0200 Subject: [PATCH] hwmon: (lm75) Add support for the Dallas/Maxim DS7505 Basically it's the same as the original DS75 but much faster. Signed-off-by: Jean Delvare Acked-by: Guenter Roeck --- Documentation/hwmon/lm75 | 8 ++++---- drivers/hwmon/Kconfig | 2 +- drivers/hwmon/lm75.c | 7 +++++++ 3 files changed, 12 insertions(+), 5 deletions(-) diff --git a/Documentation/hwmon/lm75 b/Documentation/hwmon/lm75 index 5e45d0795986..2560a9c6d445 100644 --- a/Documentation/hwmon/lm75 +++ b/Documentation/hwmon/lm75 @@ -12,11 +12,11 @@ Supported chips: Addresses scanned: I2C 0x48 - 0x4f Datasheet: Publicly available at the National Semiconductor website http://www.national.com/ - * Dallas Semiconductor DS75, DS1775 - Prefixes: 'ds75', 'ds1775' + * Dallas Semiconductor (now Maxim) DS75, DS1775, DS7505 + Prefixes: 'ds75', 'ds1775', 'ds7505' Addresses scanned: none - Datasheet: Publicly available at the Dallas Semiconductor website - http://www.maxim-ic.com/ + Datasheet: Publicly available at the Maxim website + http://www.maximintegrated.com/ * Maxim MAX6625, MAX6626 Prefixes: 'max6625', 'max6626' Addresses scanned: none diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 9c333d471433..0428e8a74b19 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -630,7 +630,7 @@ config SENSORS_LM75 temperature sensor chip, with models including: - Analog Devices ADT75 - - Dallas Semiconductor DS75 and DS1775 + - Dallas Semiconductor DS75, DS1775 and DS7505 - Maxim MAX6625 and MAX6626 - Microchip MCP980x - National Semiconductor LM75, LM75A diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c index 928341115793..c03b490bba81 100644 --- a/drivers/hwmon/lm75.c +++ b/drivers/hwmon/lm75.c @@ -38,6 +38,7 @@ enum lm75_type { /* keep sorted in alphabetical order */ adt75, ds1775, ds75, + ds7505, lm75, lm75a, max6625, @@ -202,6 +203,11 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id) data->resolution = 11; data->sample_time = HZ; break; + case ds7505: + set_mask |= 3 << 5; /* 12-bit mode */ + data->resolution = 12; + data->sample_time = HZ / 4; + break; case lm75: case lm75a: data->resolution = 9; @@ -289,6 +295,7 @@ static const struct i2c_device_id lm75_ids[] = { { "adt75", adt75, }, { "ds1775", ds1775, }, { "ds75", ds75, }, + { "ds7505", ds7505, }, { "lm75", lm75, }, { "lm75a", lm75a, }, { "max6625", max6625, }, -- GitLab