Commit a31887dc authored by Alison Schofield's avatar Alison Schofield Committed by Guenter Roeck
Browse files

hwmon: (jc42) Add support for Microchip MCP9808 temperature sensor 



MCP9808 is not officially compliant to JC-42, similar to MCP9804,
but its registers are compatible to JC-42.

Signed-off-by: default avatarAlison Schofield <amsfield22@gmail.com>
Cc: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 9ad0df1a

Documentation/hwmon/jc42

+2 −1
Original line number Diff line number Diff line
@@ -18,10 +18,11 @@ Supported chips: 
  * Maxim MAX6604

    Datasheets:

	http://datasheets.maxim-ic.com/en/ds/MAX6604.pdf

  * Microchip MCP9804, MCP9805, MCP98242, MCP98243, MCP98244, MCP9843

  * Microchip MCP9804, MCP9805, MCP9808, MCP98242, MCP98243, MCP98244, MCP9843

    Datasheets:

	http://ww1.microchip.com/downloads/en/DeviceDoc/22203C.pdf

	http://ww1.microchip.com/downloads/en/DeviceDoc/21977b.pdf

	http://ww1.microchip.com/downloads/en/DeviceDoc/25095A.pdf

	http://ww1.microchip.com/downloads/en/DeviceDoc/21996a.pdf

	http://ww1.microchip.com/downloads/en/DeviceDoc/22153c.pdf

	http://ww1.microchip.com/downloads/en/DeviceDoc/22327A.pdf

drivers/hwmon/Kconfig

+2 −2
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@@ -645,8 +645,8 @@ 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, AT30TS00, CAT34TS02, CAT6095, MAX6604, MCP9804, MCP9805,

	  MCP98242, MCP98243, MCP98244, MCP9843, SE97, SE98, STTS424(E),

	  STTS2002, STTS3000, TSE2002, TSE2004, TS3000, and TS3001.

	  MCP9808, MCP98242, MCP98243, MCP98244, MCP9843, SE97, SE98,

	  STTS424(E), STTS2002, STTS3000, TSE2002, TSE2004, TS3000, and TS3001.



	  This driver can also be built as a module.  If so, the module

	  will be called jc42.

drivers/hwmon/jc42.c

+4 −0
Original line number Diff line number Diff line
@@ -104,6 +104,9 @@ static const unsigned short normal_i2c[] = { 
#define MCP9804_DEVID		0x0200

#define MCP9804_DEVID_MASK	0xfffc



#define MCP9808_DEVID		0x0400

#define MCP9808_DEVID_MASK	0xfffc



#define MCP98242_DEVID		0x2000

#define MCP98242_DEVID_MASK	0xfffc
@@ -160,6 +163,7 @@ static struct jc42_chips jc42_chips[] = { 
	{ IDT_MANID, TS3001_DEVID, TS3001_DEVID_MASK },

	{ MAX_MANID, MAX6604_DEVID, MAX6604_DEVID_MASK },

	{ MCP_MANID, MCP9804_DEVID, MCP9804_DEVID_MASK },

	{ MCP_MANID, MCP9808_DEVID, MCP9808_DEVID_MASK },

	{ MCP_MANID, MCP98242_DEVID, MCP98242_DEVID_MASK },

	{ MCP_MANID, MCP98243_DEVID, MCP98243_DEVID_MASK },

	{ MCP_MANID, MCP98244_DEVID, MCP98244_DEVID_MASK },