> -----Original Message----- > From: Guenter Roeck [mailto:groeck7@xxxxxxxxx] On Behalf Of Guenter > Roeck > Sent: Thursday, August 31, 2017 7:02 AM > To: Vadim Pasternak <vadimp@xxxxxxxxxxxx> > Cc: linux-hwmon@xxxxxxxxxxxxxxx; jiri@xxxxxxxxxxx > Subject: Re: [patch v2 1/1] Add support for Texas Instruments tps53679 > device > > On Wed, Aug 30, 2017 at 10:02:14PM +0000, Vadim Pasternak wrote: > > The below lists of VOUT_MODE command readout with their related VID > > protocols, Digital to Analog Converter steps, supported by the device: > > VR12.0 mode, 5-mV DAC - 0x21 > > VR12.5 mode, 10-mV DAC - 0x22 > > VR13.0 mode, 10-mV DAC - 0x24 > > IMVP8 mode, 5-mV DAC - 0x25 > > VR13.0 mode, 5-mV DAC - 0x27 > > > > Signed-off-by: Vadim Pasternak <vadimp@xxxxxxxxxxxx> > > Applied to hwmon-next. Minor comment below for reference (though many > hwmon drivers do that wrong as well). > > For future patches, please remember to tag the subject line with the > subsystem and, if appropriate, the affected driver. Hi Guenter, Thank you for taking it to hwmon-next and for your comment. Next time will do it in right way. Thanks, Vadim. > > Thanks, > Guenter > > > --- > > v1->v2 > > Comments pointed out by Guenter: > > - arrange includes in alphabetic order; > > - remove tps53679_data, since it's used only in tps53679_identify; > > - drop redundant comment; > > - drop id field in tps53679_id; > > --- > > drivers/hwmon/pmbus/Kconfig | 10 ++++ > > drivers/hwmon/pmbus/Makefile | 1 + > > drivers/hwmon/pmbus/tps53679.c | 113 > > +++++++++++++++++++++++++++++++++++++++++ > > 3 files changed, 124 insertions(+) > > create mode 100644 drivers/hwmon/pmbus/tps53679.c > > > > diff --git a/drivers/hwmon/pmbus/Kconfig > b/drivers/hwmon/pmbus/Kconfig > > index 68d717a..42d2366 100644 > > --- a/drivers/hwmon/pmbus/Kconfig > > +++ b/drivers/hwmon/pmbus/Kconfig > > @@ -135,6 +135,16 @@ config SENSORS_TPS40422 > > This driver can also be built as a module. If so, the module will > > be called tps40422. > > > > +config SENSORS_TPS53679 > > + tristate "TI TPS53679" > > + default n > > + help > > + If you say yes here you get hardware monitoring support for TI > > + TPS53679. > > + > > + This driver can also be built as a module. If so, the module will > > + be called tps53679. > > + > > config SENSORS_UCD9000 > > tristate "TI UCD90120, UCD90124, UCD90160, UCD9090, UCD90910" > > default n > > diff --git a/drivers/hwmon/pmbus/Makefile > > b/drivers/hwmon/pmbus/Makefile index 75bb7ca..c7c76b0 100644 > > --- a/drivers/hwmon/pmbus/Makefile > > +++ b/drivers/hwmon/pmbus/Makefile > > @@ -14,6 +14,7 @@ obj-$(CONFIG_SENSORS_MAX20751) += > max20751.o > > obj-$(CONFIG_SENSORS_MAX34440) += max34440.o > > obj-$(CONFIG_SENSORS_MAX8688) += max8688.o > > obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o > > +obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o > > obj-$(CONFIG_SENSORS_UCD9000) += ucd9000.o > > obj-$(CONFIG_SENSORS_UCD9200) += ucd9200.o > > obj-$(CONFIG_SENSORS_ZL6100) += zl6100.o > > diff --git a/drivers/hwmon/pmbus/tps53679.c > > b/drivers/hwmon/pmbus/tps53679.c new file mode 100644 index > > 0000000..85b515c > > --- /dev/null > > +++ b/drivers/hwmon/pmbus/tps53679.c > > @@ -0,0 +1,113 @@ > > +/* > > + * Hardware monitoring driver for Texas Instruments TPS53679 > > + * > > + * Copyright (c) 2017 Mellanox Technologies. All rights reserved. > > + * Copyright (c) 2017 Vadim Pasternak <vadimp@xxxxxxxxxxxx> > > + * > > + * This program is free software; you can redistribute it and/or > > +modify > > + * it under the terms of the GNU General Public License as published > > +by > > + * the Free Software Foundation; either version 2 of the License, or > > + * (at your option) any later version. > > + * > > + * This program is distributed in the hope that it will be useful, > > + * but WITHOUT ANY WARRANTY; without even the implied warranty of > > + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > > + * GNU General Public License for more details. > > + */ > > + > > +#include <linux/err.h> > > +#include <linux/i2c.h> > > +#include <linux/init.h> > > +#include <linux/kernel.h> > > +#include <linux/module.h> > > +#include "pmbus.h" > > + > > +#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 */ > > +#define TPS53679_PROT_IMVP8_5MV 0x05 /* IMVP8 mode, > 5-mV DAC */ > > +#define TPS53679_PROT_VR13_5MV 0x07 /* VR13.0 mode, 5-mV > DAC */ > > +#define TPS53679_PAGE_NUM 2 > > + > > +static int tps53679_identify(struct i2c_client *client, > > + struct pmbus_driver_info *info) { > > + u8 vout_params; > > + int ret; > > + > > + /* Read the register with VOUT scaling value.*/ > > + ret = pmbus_read_byte_data(client, 0, PMBUS_VOUT_MODE); > > + if (ret < 0) > > + return ret; > > + > > + vout_params = ret & GENMASK(4, 0); > > + > > + switch (vout_params) { > > + case TPS53679_PROT_VR13_10MV: > > + case TPS53679_PROT_VR12_5_10MV: > > + info->vrm_version = vr13; > > + break; > > + case TPS53679_PROT_VR13_5MV: > > + case TPS53679_PROT_VR12_5MV: > > + case TPS53679_PROT_IMVP8_5MV: > > + info->vrm_version = vr12; > > + break; > > + default: > > + return -EINVAL; > > + } > > + > > + return 0; > > +} > > + > > +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 | > > + 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 | > > + 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) > > +{ > > + return pmbus_do_probe(client, id, &tps53679_info); } > > + > > +static const struct i2c_device_id tps53679_id[] = { > > + {"tps53679", 0}, > > + {} > > +}; > > + > > +MODULE_DEVICE_TABLE(i2c, tps53679_id); > > + > > +static const struct of_device_id tps53679_of_match[] = { > > + {.compatible = "ti,tps53679"}, > > + {} > > +}; > > +MODULE_DEVICE_TABLE(of, tps53679_of_match); > > + > > +static struct i2c_driver tps53679_driver = { > > + .driver = { > > + .name = "tps53679", > > + .of_match_table = of_match_ptr(tps53679_of_match), > > + }, > > + .probe = tps53679_probe, > > + .remove = pmbus_do_remove, > > + .id_table = tps53679_id, > > +}; > > + > > +module_i2c_driver(tps53679_driver); > > + > > +MODULE_AUTHOR("Vadim Pasternak <vadimp@xxxxxxxxxxxx>"); > > +MODULE_DESCRIPTION("PMBus driver for Texas Instruments TPS53679"); > > +MODULE_LICENSE("GPL"); > > -- > > 2.1.4 > > -- To unsubscribe from this list: send the line "unsubscribe linux-hwmon" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
