Commit 63eb4587 authored by Guenter Roeck's avatar Guenter Roeck

hwmon: (pmbus/tps53679) Add support for multiple chips IDs

Chip specific support will be needed in the driver to be able to
support additional chips of the same series. Add support for it
to the driver.

To simplify adding support for more chips, call identification code
from the probe function. This lets us use a single structure for common
elements of struct pmbus_driver_info, thus reducing code size as support
for more chips is added.

Cc: Vadim Pasternak <vadimp@mellanox.com>
Signed-off-by: default avatarGuenter Roeck <linux@roeck-us.net>
parent 16358542
......@@ -11,8 +11,13 @@
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of_device.h>
#include "pmbus.h"
enum chips {
tps53679, tps53688,
};
#define TPS53679_PROT_VR12_5MV 0x01 /* VR12.0 mode, 5-mV DAC */
#define TPS53679_PROT_VR12_5_10MV 0x02 /* VR12.5 mode, 10-mV DAC */
#define TPS53679_PROT_VR13_10MV 0x04 /* VR13.0 mode, 10-mV DAC */
......@@ -53,47 +58,63 @@ static int tps53679_identify(struct i2c_client *client,
}
static struct pmbus_driver_info tps53679_info = {
.pages = TPS53679_PAGE_NUM,
.format[PSC_VOLTAGE_IN] = linear,
.format[PSC_VOLTAGE_OUT] = vid,
.format[PSC_TEMPERATURE] = linear,
.format[PSC_CURRENT_OUT] = linear,
.format[PSC_POWER] = linear,
.func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
.func[0] = PMBUS_HAVE_VIN |
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
PMBUS_HAVE_POUT,
.func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
.func[1] = PMBUS_HAVE_VIN |
PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP |
PMBUS_HAVE_POUT,
.identify = tps53679_identify,
};
static int tps53679_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct device *dev = &client->dev;
struct pmbus_driver_info *info;
enum chips chip_id;
if (dev->of_node)
chip_id = (enum chips)of_device_get_match_data(dev);
else
chip_id = id->driver_data;
info = devm_kmemdup(&client->dev, &tps53679_info, sizeof(*info),
GFP_KERNEL);
info = devm_kmemdup(dev, &tps53679_info, sizeof(*info), GFP_KERNEL);
if (!info)
return -ENOMEM;
switch (chip_id) {
case tps53679:
case tps53688:
info->pages = TPS53679_PAGE_NUM;
info->identify = tps53679_identify;
break;
default:
return -ENODEV;
}
return pmbus_do_probe(client, id, info);
}
static const struct i2c_device_id tps53679_id[] = {
{"tps53679", 0},
{"tps53688", 0},
{"tps53679", tps53679},
{"tps53688", tps53688},
{}
};
MODULE_DEVICE_TABLE(i2c, tps53679_id);
static const struct of_device_id __maybe_unused tps53679_of_match[] = {
{.compatible = "ti,tps53679"},
{.compatible = "ti,tps53688"},
{.compatible = "ti,tps53679", .data = (void *)tps53679},
{.compatible = "ti,tps53688", .data = (void *)tps53688},
{}
};
MODULE_DEVICE_TABLE(of, tps53679_of_match);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment