From 0531d98b1f2ec6f92074e5b2a74927b865bc605c Mon Sep 17 00:00:00 2001 From: Guenter Roeck Date: Fri, 2 Mar 2012 11:46:44 -0800 Subject: hwmon: (it87) Add support for IT8782F and IT8783E/F Signed-off-by: Guenter Roeck Acked-by: Jean Delvare --- Documentation/hwmon/it87 | 28 +++++++++++++++++++--------- 1 file changed, 19 insertions(+), 9 deletions(-) (limited to 'Documentation/hwmon') diff --git a/Documentation/hwmon/it87 b/Documentation/hwmon/it87 index 23b7def21ba..899128dfb13 100644 --- a/Documentation/hwmon/it87 +++ b/Documentation/hwmon/it87 @@ -30,6 +30,14 @@ Supported chips: Prefix: 'it8728' Addresses scanned: from Super I/O config space (8 I/O ports) Datasheet: Not publicly available + * IT8782F + Prefix: 'it8782' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available + * IT8783E/F + Prefix: 'it8783' + Addresses scanned: from Super I/O config space (8 I/O ports) + Datasheet: Not publicly available * SiS950 [clone of IT8705F] Prefix: 'it87' Addresses scanned: from Super I/O config space (8 I/O ports) @@ -75,7 +83,8 @@ Description ----------- This driver implements support for the IT8705F, IT8712F, IT8716F, -IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E and SiS950 chips. +IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8758E, IT8781F, IT8782F, +IT8783E/F, and SiS950 chips. These chips are 'Super I/O chips', supporting floppy disks, infrared ports, joysticks and other miscellaneous stuff. For hardware monitoring, they @@ -99,11 +108,11 @@ The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E and later IT8712F revisions have support for 2 additional fans. The additional fans are supported by the driver. -The IT8716F, IT8718F, IT8720F and IT8721F/IT8758E, and late IT8712F and -IT8705F also have optional 16-bit tachometer counters for fans 1 to 3. This -is better (no more fan clock divider mess) but not compatible with the older -chips and revisions. The 16-bit tachometer mode is enabled by the driver when -one of the above chips is detected. +The IT8716F, IT8718F, IT8720F, IT8721F/IT8758E, IT8782F, IT8783E/F, and late +IT8712F and IT8705F also have optional 16-bit tachometer counters for fans 1 to +3. This is better (no more fan clock divider mess) but not compatible with the +older chips and revisions. The 16-bit tachometer mode is enabled by the driver +when one of the above chips is detected. The IT8726F is just bit enhanced IT8716F with additional hardware for AMD power sequencing. Therefore the chip will appear as IT8716F @@ -131,9 +140,10 @@ inputs can measure voltages between 0 and 4.08 volts, with a resolution of 0.016 volt (except IT8721F/IT8758E and IT8728F: 0.012 volt.) The battery voltage in8 does not have limit registers. -On the IT8721F/IT8758E, some voltage inputs are internal and scaled inside -the chip (in7, in8 and optionally in3). The driver handles this transparently -so user-space doesn't have to care. +On the IT8721F/IT8758E, IT8782F, and IT8783E/F, some voltage inputs are +internal and scaled inside the chip (in7 (optional for IT8782F and IT8783E/F), +in8 and optionally in3). The driver handles this transparently so user-space +doesn't have to care. The VID lines (IT8712F/IT8716F/IT8718F/IT8720F) encode the core voltage value: the voltage level your processor should work with. This is hardcoded by -- cgit v1.2.3 From f7c2fe386ae92b471a0edd4fa4bed7033224b9bf Mon Sep 17 00:00:00 2001 From: "Felten, Lothar" Date: Sat, 12 May 2012 04:36:38 -0400 Subject: hwmon: INA219 and INA226 support Add support for the Texas Instruments INA219 and INA226 power monitors. Signed-off-by: Lothar Felten [guenter.roeck@ericsson.com: formatting cleanup; check for smbus word data; select PGA=8 for INA219] Signed-off-by: Guenter Roeck --- Documentation/hwmon/ina2xx | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/hwmon/ina2xx (limited to 'Documentation/hwmon') diff --git a/Documentation/hwmon/ina2xx b/Documentation/hwmon/ina2xx new file mode 100644 index 00000000000..f50a6cc2761 --- /dev/null +++ b/Documentation/hwmon/ina2xx @@ -0,0 +1,29 @@ +Kernel driver ina2xx +==================== + +Supported chips: + * Texas Instruments INA219 + Prefix: 'ina219' + Addresses: I2C 0x40 - 0x4f + Datasheet: Publicly available at the Texas Instruments website + http://www.ti.com/ + + * Texas Instruments INA226 + Prefix: 'ina226' + Addresses: I2C 0x40 - 0x4f + Datasheet: Publicly available at the Texas Instruments website + http://www.ti.com/ + +Author: Lothar Felten + +Description +----------- + +The INA219 is a high-side current shunt and power monitor with an I2C +interface. The INA219 monitors both shunt drop and supply voltage, with +programmable conversion times and filtering. + +The INA226 is a current shunt and power monitor with an I2C interface. +The INA226 monitors both a shunt voltage drop and bus supply voltage. + +The shunt value in micro-ohms can be set via platform data. -- cgit v1.2.3