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Commit 5783ec2e authored by Xo Wang's avatar Xo Wang Committed by Guenter Roeck
Browse files

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: default avatarXo Wang <xow@google.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent ee983171

Documentation/hwmon/lm25066

+7 −2
Original line number Original line Diff line number Diff line
@@ -29,6 +29,11 @@ Supported chips: 
    Addresses scanned: -

    Addresses scanned: -

    Datasheet:

    Datasheet:

	http://www.national.com/pf/LM/LM5066.html

	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>

Author: Guenter Roeck <linux@roeck-us.net>
@@ -37,8 +42,8 @@ Description 
-----------

-----------





This driver supports hardware monitoring for National Semiconductor / TI LM25056,

This driver supports hardware monitoring for National Semiconductor / TI LM25056,

LM25063, LM25066, LM5064, and LM5066 Power Management, Monitoring, Control, and

LM25063, LM25066, LM5064, and LM5066/LM5066I Power Management, Monitoring,

Protection ICs.

Control, and Protection ICs.





The driver is a client driver to the core PMBus driver. Please see

The driver is a client driver to the core PMBus driver. Please see

Documentation/hwmon/pmbus for details on PMBus client drivers.

Documentation/hwmon/pmbus for details on PMBus client drivers.

drivers/hwmon/pmbus/lm25066.c

+39 −2
Original line number Original line Diff line number Diff line
@@ -28,7 +28,7 @@ 
#include <linux/i2c.h>

#include <linux/i2c.h>

#include "pmbus.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_READ_VAUX		0xd0

#define LM25066_MFR_READ_IIN		0xd1

#define LM25066_MFR_READ_IIN		0xd1
@@ -65,7 +65,7 @@ struct __coeff { 
#define PSC_CURRENT_IN_L	(PSC_NUM_CLASSES)

#define PSC_CURRENT_IN_L	(PSC_NUM_CLASSES)

#define PSC_POWER_L		(PSC_NUM_CLASSES + 1)

#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] = {

	[lm25056] = {

		[PSC_VOLTAGE_IN] = {

		[PSC_VOLTAGE_IN] = {

			.m = 16296,

			.m = 16296,
@@ -210,6 +210,41 @@ static struct __coeff lm25066_coeff[5][PSC_NUM_CLASSES + 2] = { 
			.m = 16,

			.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 {

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);

			ret = DIV_ROUND_CLOSEST(ret * 70, 453);

			break;

			break;

		case lm5066:

		case lm5066:

		case lm5066i:

			/* VIN: 2.18 mV VAUX: 725 uV LSB */

			/* VIN: 2.18 mV VAUX: 725 uV LSB */

			ret = DIV_ROUND_CLOSEST(ret * 725, 2180);

			ret = DIV_ROUND_CLOSEST(ret * 725, 2180);

			break;

			break;
@@ -511,6 +547,7 @@ static const struct i2c_device_id lm25066_id[] = { 
	{"lm25066", lm25066},

	{"lm25066", lm25066},

	{"lm5064", lm5064},

	{"lm5064", lm5064},

	{"lm5066", lm5066},

	{"lm5066", lm5066},

	{"lm5066i", lm5066i},

	{ }

	{ }

};

};