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authorMatt Weber <matthew.weber@rockwellcollins.com>2016-08-19 21:08:45 -0500
committerGuenter Roeck <linux@roeck-us.net>2016-09-08 21:34:16 -0700
commit50b2b02c40340c4ac3fa1e12eb6e600a10c95e72 (patch)
tree0ad4ba38a28d07141dac0724e85657298159088d
parent43943ebb9f0cee2774df64d48f4a21171acf9c85 (diff)
downloadlinux-50b2b02c40340c4ac3fa1e12eb6e600a10c95e72.tar.bz2
hwmon: (ucd9000) Add support for UCD90160 Power Supply Sequencer
The UCD90160 Power Supply Sequencer reuses the existing register layout, so just an id addition was required. Signed-off-by: Matthew Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Ronak Desai <ronak.desai@rockwellcollins.com> [groeck: Updated description, ordered alphabetically, added documentation] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
-rw-r--r--Documentation/hwmon/ucd900012
-rw-r--r--drivers/hwmon/pmbus/Kconfig6
-rw-r--r--drivers/hwmon/pmbus/ucd9000.c3
3 files changed, 15 insertions, 6 deletions
diff --git a/Documentation/hwmon/ucd9000 b/Documentation/hwmon/ucd9000
index 805e33edb978..262e713e60ff 100644
--- a/Documentation/hwmon/ucd9000
+++ b/Documentation/hwmon/ucd9000
@@ -2,12 +2,13 @@ Kernel driver ucd9000
=====================
Supported chips:
- * TI UCD90120, UCD90124, UCD9090, and UCD90910
- Prefixes: 'ucd90120', 'ucd90124', 'ucd9090', 'ucd90910'
+ * TI UCD90120, UCD90124, UCD90160, UCD9090, and UCD90910
+ Prefixes: 'ucd90120', 'ucd90124', 'ucd90160', 'ucd9090', 'ucd90910'
Addresses scanned: -
Datasheets:
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/ucd9090.pdf
http://focus.ti.com/lit/ds/symlink/ucd90910.pdf
@@ -32,6 +33,13 @@ interrupts, cascading, or other system functions. Twelve of these pins offer PWM
functionality. Using these pins, the UCD90124 offers support for fan control,
margining, and general-purpose PWM functions.
+The UCD90160 is a 16-rail PMBus/I2C addressable power-supply sequencer and
+monitor. The device integrates a 12-bit ADC for monitoring up to 16 power-supply
+voltage inputs. Twenty-six GPIO pins can be used for power supply enables,
+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 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,
diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig
index 054d3d863802..cad1229b7e17 100644
--- a/drivers/hwmon/pmbus/Kconfig
+++ b/drivers/hwmon/pmbus/Kconfig
@@ -126,12 +126,12 @@ config SENSORS_TPS40422
be called tps40422.
config SENSORS_UCD9000
- tristate "TI UCD90120, UCD90124, UCD9090, UCD90910"
+ tristate "TI UCD90120, UCD90124, UCD90160, UCD9090, UCD90910"
default n
help
If you say yes here you get hardware monitoring support for TI
- UCD90120, UCD90124, UCD9090, UCD90910 Sequencer and System Health
- Controllers.
+ UCD90120, UCD90124, UCD90160, UCD9090, UCD90910, Sequencer and System
+ Health Controllers.
This driver can also be built as a module. If so, the module will
be called ucd9000.
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c
index fbb1479d3ad4..3e3aa950277f 100644
--- a/drivers/hwmon/pmbus/ucd9000.c
+++ b/drivers/hwmon/pmbus/ucd9000.c
@@ -28,7 +28,7 @@
#include <linux/i2c/pmbus.h>
#include "pmbus.h"
-enum chips { ucd9000, ucd90120, ucd90124, ucd9090, ucd90910 };
+enum chips { ucd9000, ucd90120, ucd90124, ucd90160, ucd9090, ucd90910 };
#define UCD9000_MONITOR_CONFIG 0xd5
#define UCD9000_NUM_PAGES 0xd6
@@ -112,6 +112,7 @@ static const struct i2c_device_id ucd9000_id[] = {
{"ucd9000", ucd9000},
{"ucd90120", ucd90120},
{"ucd90124", ucd90124},
+ {"ucd90160", ucd90160},
{"ucd9090", ucd9090},
{"ucd90910", ucd90910},
{}