Commit 4de86126 authored by Jean Delvare's avatar Jean Delvare Committed by Guenter Roeck
Browse files

hwmon: (jc42) Add support for ST Microelectronics STTS2002 and STTS3000 



These are fully compatible with Jedec JC 42.4 as far as I can see.

Signed-off-by: default avatarJean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org # 3.0+
Signed-off-by: default avatarGuenter Roeck <guenter.roeck@ericsson.com>
parent 192cfd58

Documentation/hwmon/jc42

+6 −0
Original line number Diff line number Diff line
@@ -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

drivers/hwmon/Kconfig

+2 −1
Original line number Diff line number Diff line
@@ -498,7 +498,8 @@ 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.

drivers/hwmon/jc42.c

+10 −0
Original line number Diff line number Diff line
@@ -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 */
@@ -171,6 +179,8 @@ static const struct i2c_device_id jc42_id[] = { 
	{ "se97b", 0 },

	{ "se98", 0 },

	{ "stts424", 0 },

	{ "stts2002", 0 },

	{ "stts3000", 0 },

	{ "tse2002b3", 0 },

	{ "ts3000b3", 0 },

	{ }

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