From: Andre Prendel <andre.prendel@gmx.de>
To: lm-sensors@vger.kernel.org
Subject: [lm-sensors] [PATCH 2/2] hwmon: Add documentation for tmp421 driver
Date: Mon, 15 Jun 2009 07:43:39 +0000 [thread overview]
Message-ID: <20090615074339.GC4667@ubuntu> (raw)
This patch adds documentation for driver tmp421.
Signed-off-by: Andre Prendel <andre.prendel@gmx.de>
---
tmp421 | 36 ++++++++++++++++++++++++++++++++++++
1 file changed, 36 insertions(+)
Index: linux-2.6/Documentation/hwmon/tmp421
=================================--- /dev/null 1970-01-01 00:00:00.000000000 +0000
+++ linux-2.6/Documentation/hwmon/tmp421 2009-06-11 21:50:46.000000000 +0200
@@ -0,0 +1,36 @@
+Kernel driver tmp421
+==========
+
+Supported chips:
+ * Texas Instruments TMP421
+ Prefix: 'tmp421'
+ Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
+ Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
+ * Texas Instruments TMP422
+ Prefix: 'tmp422'
+ Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
+ Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
+ * Texas Instruments TMP423
+ Prefix: 'tmp423'
+ Addresses scanned: I2C 0x2a, 0x4c, 0x4d, 0x4e and 0x4f
+ Datasheet: http://focus.ti.com/docs/prod/folders/print/tmp421.html
+
+Authors:
+ Andre Prendel <andre.prendel@gmx.de>
+
+Description
+-----------
+
+This driver implements support for Texas Instruments TMP421, TMP422
+and TMP423 temperature sensor chips. These chips implements one local
+and up to one (TMP421), up to two (TMP422) or up to three (TMP423)
+remote sensors. Temperature is measured in degrees Celsius. The chips
+are wired over I2C/SMBus and specified over a temperature range of
+-40°C to +125°C. Resolution for both the local and remote channels is
+0.0625°C.
+
+The chips supports only temperature measurement and exports these
+values via following sysfs-interface:
+
+temp[1-4]_input
+temp[2-4]_fault
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next reply other threads:[~2009-06-15 7:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-15 7:43 Andre Prendel [this message]
2009-06-16 11:48 ` [lm-sensors] [PATCH 2/2] hwmon: Add documentation for tmp421 Jean Delvare
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