diff options
| author |   Jim Wright <wrightj@linux.vnet.ibm.com> | 2019-12-05 17:24:11 -0600 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2020-01-23 13:15:09 -0800 |
| commit | a470f11c5ba2febbbba941167e106c726bc1297b (patch) | |
| tree | ddf2d92bafdf45f274480f2337c873534bb9ebb7 /Documentation/hwmon/ucd9000.rst | |
| parent | dt-bindings: hwmon/pmbus: Add ti,ucd90320 power sequencer (diff) | |
| download | linux-dev-a470f11c5ba2febbbba941167e106c726bc1297b.tar.xz linux-dev-a470f11c5ba2febbbba941167e106c726bc1297b.zip | |
hwmon: (pmbus/ucd9000) Add support for UCD90320 Power Sequencer
Add support for the UCD90320 chip and its expanded set of GPIO pins.
Signed-off-by: Jim Wright <wrightj@linux.vnet.ibm.com>
Link: https://lore.kernel.org/r/20191205232411.21492-3-wrightj@linux.vnet.ibm.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/hwmon/ucd9000.rst | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/Documentation/hwmon/ucd9000.rst b/Documentation/hwmon/ucd9000.rst index 746f21fcb48c..704f0cbd95d3 100644 --- a/Documentation/hwmon/ucd9000.rst +++ b/Documentation/hwmon/ucd9000.rst @@ -3,9 +3,10 @@ Kernel driver ucd9000 Supported chips: - * TI UCD90120, UCD90124, UCD90160, UCD9090, and UCD90910 + * TI UCD90120, UCD90124, UCD90160, UCD90320, UCD9090, and UCD90910 - Prefixes: 'ucd90120', 'ucd90124', 'ucd90160', 'ucd9090', 'ucd90910' + Prefixes: 'ucd90120', 'ucd90124', 'ucd90160', 'ucd90320', 'ucd9090', + 'ucd90910' Addresses scanned: - @@ -14,6 +15,7 @@ Supported chips: - http://focus.ti.com/lit/ds/symlink/ucd90120.pdf - http://focus.ti.com/lit/ds/symlink/ucd90124.pdf - http://focus.ti.com/lit/ds/symlink/ucd90160.pdf + - http://focus.ti.com/lit/ds/symlink/ucd90320.pdf - http://focus.ti.com/lit/ds/symlink/ucd9090.pdf - http://focus.ti.com/lit/ds/symlink/ucd90910.pdf @@ -45,6 +47,12 @@ power-on reset signals, external interrupts, cascading, or other system functions. Twelve of these pins offer PWM functionality. Using these pins, the UCD90160 offers support for margining, and general-purpose PWM functions. +The UCD90320 is a 32-rail PMBus/I2C addressable power-supply sequencer and +monitor. The 24 integrated ADC channels (AMONx) monitor the power supply +voltage, current, and temperature. Of the 84 GPIO pins, 8 can be used as +digital monitors (DMONx), 32 to enable the power supply (ENx), 24 for margining +(MARx), 16 for logical GPO, and 32 GPIs for cascading, and system function. + The UCD9090 is a 10-rail PMBus/I2C addressable power-supply sequencer and monitor. The device integrates a 12-bit ADC for monitoring up to 10 power-supply voltage inputs. Twenty-three GPIO pins can be used for power supply enables, |