diff options
| author |   Xo Wang <xow@google.com> | 2017-08-29 14:21:17 -0700 |
|---|---|---|
| committer |   Guenter Roeck <linux@roeck-us.net> | 2017-08-30 06:31:13 -0700 |
| commit | 5783ec2e5c102a6a04d17e07bd9d008a464ed9bc (patch) | |
| tree | 3ee810cbf60ba5477bbbe97cff8c838d913b1d6c | |
| parent | hwmon: (pmbus/lm25066) Offset coefficient depends on CL (diff) | |
| download | linux-dev-5783ec2e5c102a6a04d17e07bd9d008a464ed9bc.tar.xz linux-dev-5783ec2e5c102a6a04d17e07bd9d008a464ed9bc.zip | |
hwmon: (pmbus/lm25066) Add support for TI LM5066I
The TI LM5066I hotswap controller is a more accurate version of the
LM5066 device already supported. It has different measurement conversion
coefficients than the LM5066, so it needs to be recognized as a
different device.
Signed-off-by: Xo Wang <xow@google.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
| -rw-r--r-- | Documentation/hwmon/lm25066 | 9 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/lm25066.c | 41 |
2 files changed, 46 insertions, 4 deletions
diff --git a/Documentation/hwmon/lm25066 b/Documentation/hwmon/lm25066 index 2cb20ebb234d..3fa6bf820c88 100644 --- a/Documentation/hwmon/lm25066 +++ b/Documentation/hwmon/lm25066 @@ -29,6 +29,11 @@ Supported chips: Addresses scanned: - Datasheet: http://www.national.com/pf/LM/LM5066.html + * Texas Instruments LM5066I + Prefix: 'lm5066i' + Addresses scanned: - + Datasheet: + http://www.ti.com/product/LM5066I Author: Guenter Roeck <linux@roeck-us.net> @@ -37,8 +42,8 @@ Description ----------- This driver supports hardware monitoring for National Semiconductor / TI LM25056, -LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and -Protection ICs. +LM25063, LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring, +Control, and Protection ICs. The driver is a client driver to the core PMBus driver. Please see Documentation/hwmon/pmbus for details on PMBus client drivers. diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index 232b4af13e12..10d17fb8f283 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -28,7 +28,7 @@ #include <linux/i2c.h> #include "pmbus.h" -enum chips { lm25056, lm25063, lm25066, lm5064, lm5066 }; +enum chips { lm25056, lm25063, lm25066, lm5064, lm5066, lm5066i }; #define LM25066_READ_VAUX 0xd0 #define LM25066_MFR_READ_IIN 0xd1 @@ -65,7 +65,7 @@ struct __coeff { #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) #define PSC_POWER_L (PSC_NUM_CLASSES + 1) -static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { +static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = { [lm25056] = { [PSC_VOLTAGE_IN] = { .m = 16296, @@ -210,6 +210,41 @@ static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { .m = 16, }, }, + [lm5066i] = { + [PSC_VOLTAGE_IN] = { + .m = 4617, + .b = -140, + .R = -2, + }, + [PSC_VOLTAGE_OUT] = { + .m = 4602, + .b = 500, + .R = -2, + }, + [PSC_CURRENT_IN] = { + .m = 15076, + .b = -504, + .R = -2, + }, + [PSC_CURRENT_IN_L] = { + .m = 7645, + .b = 100, + .R = -2, + }, + [PSC_POWER] = { + .m = 1701, + .b = -4000, + .R = -3, + }, + [PSC_POWER_L] = { + .m = 861, + .b = -965, + .R = -3, + }, + [PSC_TEMPERATURE] = { + .m = 16, + }, + }, }; struct lm25066_data { @@ -250,6 +285,7 @@ static int lm25066_read_word_data(struct i2c_client *client, int page, int reg) ret = DIV_ROUND_CLOSEST(ret * 70, 453); break; case lm5066: + case lm5066i: /* VIN: 2.18 mV VAUX: 725 uV LSB */ ret = DIV_ROUND_CLOSEST(ret * 725, 2180); break; @@ -511,6 +547,7 @@ static const struct i2c_device_id lm25066_id[] = { {"lm25066", lm25066}, {"lm5064", lm5064}, {"lm5066", lm5066}, + {"lm5066i", lm5066i}, { } }; |