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authorJean Delvare <khali@linux-fr.org>2012-03-05 08:32:00 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-03-12 10:33:00 -0700
commitf4dddcc20a00ce781025c87b58e1336e09198cfa (patch)
treef3ba6d3c51dc9f4d0634710a2dee8ce46cc88f50
parent170e54cfc7d0aec9a9f3cf34cd8df19fc2594305 (diff)
hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000
commit 4de86126a712ba83fa038d277c8282f7ed466a4b upstream. These are fully compatible with Jedec JC 42.4 as far as I can see. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--Documentation/hwmon/jc426
-rw-r--r--drivers/hwmon/Kconfig3
-rw-r--r--drivers/hwmon/jc42.c10
3 files changed, 18 insertions, 1 deletions
diff --git a/Documentation/hwmon/jc42 b/Documentation/hwmon/jc42
index a22ecf48f25..e7133750286 100644
--- a/Documentation/hwmon/jc42
+++ b/Documentation/hwmon/jc42
@@ -48,6 +48,12 @@ Supported chips:
Datasheets:
http://www.st.com/stonline/products/literature/ds/13447/stts424.pdf
http://www.st.com/stonline/products/literature/ds/13448/stts424e02.pdf
+ * ST Microelectronics STTS2002, STTS3000
+ Prefix: 'stts2002', 'stts3000'
+ Addresses scanned: I2C 0x18 - 0x1f
+ Datasheets:
+ http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATASHEET/CD00225278.pdf
+ http://www.st.com/internet/com/TECHNICAL_RESOURCES/TECHNICAL_LITERATURE/DATA_BRIEF/CD00270920.pdf
* JEDEC JC 42.4 compliant temperature sensor chips
Prefix: 'jc42'
Addresses scanned: I2C 0x18 - 0x1f
diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig
index 5f888f7e7dc..c0e7ff11cf3 100644
--- a/drivers/hwmon/Kconfig
+++ b/drivers/hwmon/Kconfig
@@ -475,7 +475,8 @@ config SENSORS_JC42
temperature sensors, which are used on many DDR3 memory modules for
mobile devices and servers. Support will include, but not be limited
to, ADT7408, CAT34TS02, CAT6095, MAX6604, MCP9805, MCP98242, MCP98243,
- MCP9843, SE97, SE98, STTS424(E), TSE2002B3, and TS3000B3.
+ MCP9843, SE97, SE98, STTS424(E), STTS2002, STTS3000, TSE2002B3, and
+ TS3000B3.
This driver can also be built as a module. If so, the module
will be called jc42.
diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
index 02cebb74e20..8d9a5a98afe 100644
--- a/drivers/hwmon/jc42.c
+++ b/drivers/hwmon/jc42.c
@@ -113,6 +113,12 @@ static const unsigned short normal_i2c[] = {
#define STTS424E_DEVID 0x0000
#define STTS424E_DEVID_MASK 0xfffe
+#define STTS2002_DEVID 0x0300
+#define STTS2002_DEVID_MASK 0xffff
+
+#define STTS3000_DEVID 0x0200
+#define STTS3000_DEVID_MASK 0xffff
+
static u16 jc42_hysteresis[] = { 0, 1500, 3000, 6000 };
struct jc42_chips {
@@ -133,6 +139,8 @@ static struct jc42_chips jc42_chips[] = {
{ NXP_MANID, SE98_DEVID, SE98_DEVID_MASK },
{ STM_MANID, STTS424_DEVID, STTS424_DEVID_MASK },
{ STM_MANID, STTS424E_DEVID, STTS424E_DEVID_MASK },
+ { STM_MANID, STTS2002_DEVID, STTS2002_DEVID_MASK },
+ { STM_MANID, STTS3000_DEVID, STTS3000_DEVID_MASK },
};
/* Each client has this additional data */
@@ -173,6 +181,8 @@ static const struct i2c_device_id jc42_id[] = {
{ "se97b", 0 },
{ "se98", 0 },
{ "stts424", 0 },
+ { "stts2002", 0 },
+ { "stts3000", 0 },
{ "tse2002b3", 0 },
{ "ts3000b3", 0 },
{ }