hwmon: (pmbus/tps53679) Add support for TI TPS53676
Add support for TI TPS53676 controller to the tps53679 pmbus driver The driver uses the USER_DATA_03 register to figure out how many phases are enabled and to which channel they are assigned, and sets the number of pages and phases accordingly. Signed-off-by: Erik Rosen <erik.rosen@metormote.com> Link: https://lore.kernel.org/r/20210322193734.75127-3-erik.rosen@metormote.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
This commit is contained in:
Erik Rosen
Guenter Roeck
parent
fd1edbd398
commit
cb3d37b590
|
|
@ -19,6 +19,14 @@ Supported chips:
|
|||
|
||||
Datasheet: https://www.ti.com/lit/gpn/TPS53667
|
||||
|
||||
* Texas Instruments TPS53676
|
||||
|
||||
Prefix: 'tps53676'
|
||||
|
||||
Addresses scanned: -
|
||||
|
||||
Datasheet: https://www.ti.com/lit/gpn/TPS53676
|
||||
|
||||
* Texas Instruments TPS53679
|
||||
|
||||
Prefix: 'tps53679'
|
||||
|
|
@ -136,7 +144,7 @@ power1_input Measured input power.
|
|||
power[N]_label "pout[1-2]".
|
||||
|
||||
- TPS53647, TPS53667: N=2
|
||||
- TPS53679, TPS53681, TPS53588: N=2,3
|
||||
- TPS53676, TPS53679, TPS53681, TPS53588: N=2,3
|
||||
|
||||
power[N]_input Measured output power.
|
||||
|
||||
|
|
@ -156,10 +164,11 @@ curr[N]_label "iout[1-2]" or "iout1.[0-5]".
|
|||
|
||||
The first digit is the output channel, the second
|
||||
digit is the phase within the channel. Per-phase
|
||||
telemetry supported on TPS53681 only.
|
||||
telemetry supported on TPS53676 and TPS53681 only.
|
||||
|
||||
- TPS53647, TPS53667: N=2
|
||||
- TPS53679, TPS53588: N=2,3
|
||||
- TPS53676: N=2-8
|
||||
- TPS53681: N=2-9
|
||||
|
||||
curr[N]_input Measured output current.
|
||||
|
|
|
|||
|
|
@ -285,10 +285,10 @@ config SENSORS_TPS40422
|
|||
be called tps40422.
|
||||
|
||||
config SENSORS_TPS53679
|
||||
tristate "TI TPS53647, TPS53667, TPS53679, TPS53681, TPS53688"
|
||||
tristate "TI TPS53647, TPS53667, TPS53676, TPS53679, TPS53681, TPS53688"
|
||||
help
|
||||
If you say yes here you get hardware monitoring support for TI
|
||||
TPS53647, TPS53667, TPS53679, TPS53681, and TPS53688.
|
||||
TPS53647, TPS53667, TPS53676, TPS53679, TPS53681, and TPS53688.
|
||||
|
||||
This driver can also be built as a module. If so, the module will
|
||||
be called tps53679.
|
||||
|
|
|
|||
|
|
@ -16,11 +16,14 @@
|
|||
#include "pmbus.h"
|
||||
|
||||
enum chips {
|
||||
tps53647, tps53667, tps53679, tps53681, tps53688
|
||||
tps53647, tps53667, tps53676, tps53679, tps53681, tps53688
|
||||
};
|
||||
|
||||
#define TPS53647_PAGE_NUM 1
|
||||
|
||||
#define TPS53676_USER_DATA_03 0xb3
|
||||
#define TPS53676_MAX_PHASES 7
|
||||
|
||||
#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 */
|
||||
|
|
@ -143,6 +146,45 @@ static int tps53681_identify(struct i2c_client *client,
|
|||
TPS53681_DEVICE_ID);
|
||||
}
|
||||
|
||||
static int tps53676_identify(struct i2c_client *client,
|
||||
struct pmbus_driver_info *info)
|
||||
{
|
||||
u8 buf[I2C_SMBUS_BLOCK_MAX];
|
||||
int phases_a = 0, phases_b = 0;
|
||||
int i, ret;
|
||||
|
||||
ret = i2c_smbus_read_block_data(client, PMBUS_IC_DEVICE_ID, buf);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
if (strncmp("TI\x53\x67\x60", buf, 5)) {
|
||||
dev_err(&client->dev, "Unexpected device ID: %s\n", buf);
|
||||
return -ENODEV;
|
||||
}
|
||||
|
||||
ret = i2c_smbus_read_block_data(client, TPS53676_USER_DATA_03, buf);
|
||||
if (ret < 0)
|
||||
return ret;
|
||||
if (ret != 24)
|
||||
return -EIO;
|
||||
for (i = 0; i < 2 * TPS53676_MAX_PHASES; i += 2) {
|
||||
if (buf[i + 1] & 0x80) {
|
||||
if (buf[i] & 0x08)
|
||||
phases_b++;
|
||||
else
|
||||
phases_a++;
|
||||
}
|
||||
}
|
||||
|
||||
info->format[PSC_VOLTAGE_OUT] = linear;
|
||||
info->pages = 1;
|
||||
info->phases[0] = phases_a;
|
||||
if (phases_b > 0) {
|
||||
info->pages = 2;
|
||||
info->phases[1] = phases_b;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int tps53681_read_word_data(struct i2c_client *client, int page,
|
||||
int phase, int reg)
|
||||
{
|
||||
|
|
@ -183,6 +225,7 @@ static struct pmbus_driver_info tps53679_info = {
|
|||
.pfunc[3] = PMBUS_HAVE_IOUT,
|
||||
.pfunc[4] = PMBUS_HAVE_IOUT,
|
||||
.pfunc[5] = PMBUS_HAVE_IOUT,
|
||||
.pfunc[6] = PMBUS_HAVE_IOUT,
|
||||
};
|
||||
|
||||
static int tps53679_probe(struct i2c_client *client)
|
||||
|
|
@ -206,6 +249,9 @@ static int tps53679_probe(struct i2c_client *client)
|
|||
info->pages = TPS53647_PAGE_NUM;
|
||||
info->identify = tps53679_identify;
|
||||
break;
|
||||
case tps53676:
|
||||
info->identify = tps53676_identify;
|
||||
break;
|
||||
case tps53679:
|
||||
case tps53688:
|
||||
info->pages = TPS53679_PAGE_NUM;
|
||||
|
|
@ -225,8 +271,10 @@ static int tps53679_probe(struct i2c_client *client)
|
|||
}
|
||||
|
||||
static const struct i2c_device_id tps53679_id[] = {
|
||||
{"bmr474", tps53676},
|
||||
{"tps53647", tps53647},
|
||||
{"tps53667", tps53667},
|
||||
{"tps53676", tps53676},
|
||||
{"tps53679", tps53679},
|
||||
{"tps53681", tps53681},
|
||||
{"tps53688", tps53688},
|
||||
|
|
@ -238,6 +286,7 @@ MODULE_DEVICE_TABLE(i2c, tps53679_id);
|
|||
static const struct of_device_id __maybe_unused tps53679_of_match[] = {
|
||||
{.compatible = "ti,tps53647", .data = (void *)tps53647},
|
||||
{.compatible = "ti,tps53667", .data = (void *)tps53667},
|
||||
{.compatible = "ti,tps53676", .data = (void *)tps53676},
|
||||
{.compatible = "ti,tps53679", .data = (void *)tps53679},
|
||||
{.compatible = "ti,tps53681", .data = (void *)tps53681},
|
||||
{.compatible = "ti,tps53688", .data = (void *)tps53688},
|
||||
|
|
|
|||
Loading…
Reference in New Issue