* Re: [PATCH v5] hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator [not found] <f8766ea1-b4ee-f298-a5a4-dc83f9a54617@gmail.com> @ 2020-11-27 16:10 ` Guenter Roeck 2020-11-30 7:46 ` Charles 0 siblings, 1 reply; 3+ messages in thread From: Guenter Roeck @ 2020-11-27 16:10 UTC (permalink / raw) To: Charles; +Cc: linux-kernel, linux-hwmon, alan On Fri, Nov 27, 2020 at 09:59:01AM +0800, Charles wrote: > Add the pmbus driver for the STMicroelectronics pm6764 voltage regulator. > > the output voltage use the MFR_READ_VOUT 0xD4 > vout value returned is linear11 > > Signed-off-by: Charles Hsu <hsu.yungteng@gmail.com> This patch (again) didn't make it to any of the mailing lists. Please try to find out why this is the case. I usually pick up patches from https://patchwork.kernel.org/project/linux-hwmon/list/, and may easily miss a patch if I can't find it there. > --- > > v5: > - Add MAINTAINERS > - Add a reference into trivial-devices.yaml > v4: > - Add pm6764tr to Documentation/hwmon/index.rst. > v3: > - Add Documentation(Documentation/hwmon/pm6764tr.rst). > - Fix include order. > v2: > - Fix formatting. > - Remove pmbus_do_remove. > - Change from .probe to .probe_new. > v1: > - Initial patchset. > > --- > > .../devicetree/bindings/trivial-devices.yaml | 2 + > Documentation/hwmon/index.rst | 1 + > Documentation/hwmon/pm6764tr.rst | 33 ++++++++ > MAINTAINERS | 7 ++ > drivers/hwmon/pmbus/Kconfig | 9 +++ > drivers/hwmon/pmbus/Makefile | 1 + > drivers/hwmon/pmbus/pm6764tr.c | 76 +++++++++++++++++++ > 7 files changed, 129 insertions(+) > create mode 100644 Documentation/hwmon/pm6764tr.rst > create mode 100644 drivers/hwmon/pmbus/pm6764tr.c > > diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml > index ab623ba930d5..cdd7bdb6abbb 100644 > --- a/Documentation/devicetree/bindings/trivial-devices.yaml > +++ b/Documentation/devicetree/bindings/trivial-devices.yaml > @@ -348,6 +348,8 @@ properties: > - socionext,synquacer-tpm-mmio > # i2c serial eeprom (24cxx) > - st,24c256 > + # SMBus/I2C Voltage Regulator > + - st,pm6764tr > # Ambient Light Sensor with SMBUS/Two Wire Serial Interface > - taos,tsl2550 > # 8-Channels, 12-bit ADC This, like all devicetre changes, needs to be a separate patch. Also, please make sure to copy dt maintainers and the dt mailing list when you send that patch. > diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst > index b797db738225..1bbd05e41de4 100644 > --- a/Documentation/hwmon/index.rst > +++ b/Documentation/hwmon/index.rst > @@ -144,6 +144,7 @@ Hardware Monitoring Kernel Drivers > pc87360 > pc87427 > pcf8591 > + pm6764tr > pmbus > powr1220 > pxe1610 > diff --git a/Documentation/hwmon/pm6764tr.rst b/Documentation/hwmon/pm6764tr.rst > new file mode 100644 > index 000000000000..5e8092e39297 > --- /dev/null > +++ b/Documentation/hwmon/pm6764tr.rst > @@ -0,0 +1,33 @@ > +.. SPDX-License-Identifier: GPL-2.0-only > + > +Kernel driver pm6764tr > +====================== > + > +Supported chips: > + > + * ST PM6764TR > + > + Prefix: 'pm6764tr' > + > + Addresses scanned: - > + > + Datasheet: http://www.st.com/resource/en/data_brief/pm6764.pdf > + > +Authors: > + <hsu.yungteng@gmail.com> > + > +Description: > +------------ > + > +This driver supports the STMicroelectronics PM6764TR chip. The PM6764TR is a high > +performance digital controller designed to power Intel’s VR12.5 processors and memories. > + Unrelated side note: I understand this means that you are forced to keep the datasheet under wraps, which in turn means I can not suggest functionality improvements since I don't have access to it. If the chip happens to support per-rail telemetry, you might want to consider adding support for that in a follow-up patch. > +The device utilizes digital technology to implement all control and power management > +functions to provide maximum flexibility and performance. The NVM is embedded to store > +custom configurations. The PM6764TR device features up to 4-phase programmable operation. > + > +The PM6764TR supports power state transitions featuring VFDE, and programmable DPM > +maintaining the best efficiency over all loading conditions without compromising transient > +response. The device assures fast and independent protectionagainstload overcurrent, "protectionagainstload" -> "protection against load" > +under/overvoltage and feedback disconnections. > + Drop empty line at end. > diff --git a/MAINTAINERS b/MAINTAINERS > index 94ac10a153c7..a3fea132c4ed 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -13904,6 +13904,13 @@ M: Logan Gunthorpe <logang@deltatee.com> > S: Maintained > F: drivers/dma/plx_dma.c Add empty line. > +PM6764TR DRIVER > +M: Charles Hsu <hsu.yungteng@gmail.com> > +L: linux-hwmon@vger.kernel.org > +S: Maintained > +F: Documentation/hwmon/pm6764tr.rst > +F: drivers/hwmon/pmbus/pm6764tr.c > + > PM-GRAPH UTILITY > M: "Todd E Brandt" <todd.e.brandt@linux.intel.com> > L: linux-pm@vger.kernel.org > diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig > index a25faf69fce3..9c846facce9f 100644 > --- a/drivers/hwmon/pmbus/Kconfig > +++ b/drivers/hwmon/pmbus/Kconfig > @@ -220,6 +220,15 @@ config SENSORS_MP2975 > This driver can also be built as a module. If so, the module will > be called mp2975. Add empty line. > +config SENSORS_PM6764TR > + tristate "ST PM6764TR" > + help > + If you say yes here you get hardware monitoring support for ST > + PM6764TR. > + > + This driver can also be built as a module. If so, the module will > + be called pm6764tr. > + > config SENSORS_PXE1610 > tristate "Infineon PXE1610" > help > diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile > index 4c97ad0bd791..31ebdef5d4a6 100644 > --- a/drivers/hwmon/pmbus/Makefile > +++ b/drivers/hwmon/pmbus/Makefile > @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_MAX31785) += max31785.o > obj-$(CONFIG_SENSORS_MAX34440) += max34440.o > obj-$(CONFIG_SENSORS_MAX8688) += max8688.o > obj-$(CONFIG_SENSORS_MP2975) += mp2975.o > +obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o > obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o > obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o > obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o > diff --git a/drivers/hwmon/pmbus/pm6764tr.c b/drivers/hwmon/pmbus/pm6764tr.c > new file mode 100644 > index 000000000000..70747c21c66e > --- /dev/null > +++ b/drivers/hwmon/pmbus/pm6764tr.c > @@ -0,0 +1,76 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Hardware monitoring driver for STMicroelectronics digital controller PM6764TR > + */ > + > +#include <linux/err.h> > +#include <linux/i2c.h> > +#include <linux/init.h> > +#include <linux/kernel.h> > +#include <linux/module.h> > +#include <linux/pmbus.h> > +#include "pmbus.h" > + > +#define PM6764TR_PMBUS_READ_VOUT 0xD4 > + > +static int pm6764tr_read_word_data(struct i2c_client *client, int page, int reg) > +{ > + int ret; > + > + switch (reg) { > + case PMBUS_VIRT_READ_VMON: > + ret = pmbus_read_word_data(client, page, PM6764TR_PMBUS_READ_VOUT); > + break; > + default: > + ret = -ENODATA; > + break; > + } > + return ret; > +} > + > +static struct pmbus_driver_info pm6764tr_info = { > + .pages = 1, > + .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_IIN | PMBUS_HAVE_PIN | > + PMBUS_HAVE_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_VMON | > + PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_VOUT | > + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, > + .read_word_data = pm6764tr_read_word_data, > +}; > + > +static int pm6764tr_probe(struct i2c_client *client, > + const struct i2c_device_id *id) > +{ > + return pmbus_do_probe(client, id, &pm6764tr_info); > +} > + > +static const struct i2c_device_id pm6764tr_id[] = { > + {"pm6764tr", 0}, > + {} > +}; > +MODULE_DEVICE_TABLE(i2c, pm6764tr_id); > + > +static const struct of_device_id pm6764tr_of_match[] = { > + {.compatible = "st,pm6764tr"}, > + {} > +}; > + > +/* This is the driver that will be inserted */ > +static struct i2c_driver pm6764tr_driver = { > + .driver = { > + .name = "pm6764tr", > + .of_match_table = of_match_ptr(pm6764tr_of_match), > + }, > + .probe_new = pm6764tr_probe, > + .id_table = pm6764tr_id, > +}; > + > +module_i2c_driver(pm6764tr_driver); > + > +MODULE_AUTHOR("Charles Hsu"); > +MODULE_DESCRIPTION("PMBus driver for ST PM6764TR"); > +MODULE_LICENSE("GPL"); > -- > 2.25.1 > ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v5] hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator 2020-11-27 16:10 ` [PATCH v5] hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator Guenter Roeck @ 2020-11-30 7:46 ` Charles 2020-11-30 14:59 ` Guenter Roeck 0 siblings, 1 reply; 3+ messages in thread From: Charles @ 2020-11-30 7:46 UTC (permalink / raw) To: Guenter Roeck; +Cc: linux-kernel, linux-hwmon, alan On 28/11/2020 上午12:10, Guenter Roeck wrote: > On Fri, Nov 27, 2020 at 09:59:01AM +0800, Charles wrote: >> Add the pmbus driver for the STMicroelectronics pm6764 voltage regulator. >> >> the output voltage use the MFR_READ_VOUT 0xD4 >> vout value returned is linear11 >> >> Signed-off-by: Charles Hsu <hsu.yungteng@gmail.com> > This patch (again) didn't make it to any of the mailing lists. > Please try to find out why this is the case. I usually pick up > patches from https://patchwork.kernel.org/project/linux-hwmon/list/, > and may easily miss a patch if I can't find it there. > >> --- >> >> v5: >> - Add MAINTAINERS >> - Add a reference into trivial-devices.yaml >> v4: >> - Add pm6764tr to Documentation/hwmon/index.rst. >> v3: >> - Add Documentation(Documentation/hwmon/pm6764tr.rst). >> - Fix include order. >> v2: >> - Fix formatting. >> - Remove pmbus_do_remove. >> - Change from .probe to .probe_new. >> v1: >> - Initial patchset. >> >> --- >> >> .../devicetree/bindings/trivial-devices.yaml | 2 + >> Documentation/hwmon/index.rst | 1 + >> Documentation/hwmon/pm6764tr.rst | 33 ++++++++ >> MAINTAINERS | 7 ++ >> drivers/hwmon/pmbus/Kconfig | 9 +++ >> drivers/hwmon/pmbus/Makefile | 1 + >> drivers/hwmon/pmbus/pm6764tr.c | 76 +++++++++++++++++++ >> 7 files changed, 129 insertions(+) >> create mode 100644 Documentation/hwmon/pm6764tr.rst >> create mode 100644 drivers/hwmon/pmbus/pm6764tr.c >> >> diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml >> index ab623ba930d5..cdd7bdb6abbb 100644 >> --- a/Documentation/devicetree/bindings/trivial-devices.yaml >> +++ b/Documentation/devicetree/bindings/trivial-devices.yaml >> @@ -348,6 +348,8 @@ properties: >> - socionext,synquacer-tpm-mmio >> # i2c serial eeprom (24cxx) >> - st,24c256 >> + # SMBus/I2C Voltage Regulator >> + - st,pm6764tr >> # Ambient Light Sensor with SMBUS/Two Wire Serial Interface >> - taos,tsl2550 >> # 8-Channels, 12-bit ADC > This, like all devicetre changes, needs to be a separate patch. > Also, please make sure to copy dt maintainers and the dt mailing list > when you send that patch. Thank you for your suggestions. I will send that patch as soon as possible. >> diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst >> index b797db738225..1bbd05e41de4 100644 >> --- a/Documentation/hwmon/index.rst >> +++ b/Documentation/hwmon/index.rst >> @@ -144,6 +144,7 @@ Hardware Monitoring Kernel Drivers >> pc87360 >> pc87427 >> pcf8591 >> + pm6764tr >> pmbus >> powr1220 >> pxe1610 >> diff --git a/Documentation/hwmon/pm6764tr.rst b/Documentation/hwmon/pm6764tr.rst >> new file mode 100644 >> index 000000000000..5e8092e39297 >> --- /dev/null >> +++ b/Documentation/hwmon/pm6764tr.rst >> @@ -0,0 +1,33 @@ >> +.. SPDX-License-Identifier: GPL-2.0-only >> + >> +Kernel driver pm6764tr >> +====================== >> + >> +Supported chips: >> + >> + * ST PM6764TR >> + >> + Prefix: 'pm6764tr' >> + >> + Addresses scanned: - >> + >> + Datasheet: http://www.st.com/resource/en/data_brief/pm6764.pdf >> + >> +Authors: >> + <hsu.yungteng@gmail.com> >> + >> +Description: >> +------------ >> + >> +This driver supports the STMicroelectronics PM6764TR chip. The PM6764TR is a high >> +performance digital controller designed to power Intel’s VR12.5 processors and memories. >> + > Unrelated side note: I understand this means that you are forced to keep the > datasheet under wraps, which in turn means I can not suggest functionality > improvements since I don't have access to it. If the chip happens to support > per-rail telemetry, you might want to consider adding support for that in a > follow-up patch. > >> +The device utilizes digital technology to implement all control and power management >> +functions to provide maximum flexibility and performance. The NVM is embedded to store >> +custom configurations. The PM6764TR device features up to 4-phase programmable operation. >> + >> +The PM6764TR supports power state transitions featuring VFDE, and programmable DPM >> +maintaining the best efficiency over all loading conditions without compromising transient >> +response. The device assures fast and independent protectionagainstload overcurrent, > "protectionagainstload" -> "protection against load" > >> +under/overvoltage and feedback disconnections. >> + > Drop empty line at end. > >> diff --git a/MAINTAINERS b/MAINTAINERS >> index 94ac10a153c7..a3fea132c4ed 100644 >> --- a/MAINTAINERS >> +++ b/MAINTAINERS >> @@ -13904,6 +13904,13 @@ M: Logan Gunthorpe <logang@deltatee.com> >> S: Maintained >> F: drivers/dma/plx_dma.c > Add empty line. There is an empty line here, Should I add one more empty line? >> +PM6764TR DRIVER >> +M: Charles Hsu <hsu.yungteng@gmail.com> >> +L: linux-hwmon@vger.kernel.org >> +S: Maintained >> +F: Documentation/hwmon/pm6764tr.rst >> +F: drivers/hwmon/pmbus/pm6764tr.c >> + >> PM-GRAPH UTILITY >> M: "Todd E Brandt" <todd.e.brandt@linux.intel.com> >> L: linux-pm@vger.kernel.org >> diff --git a/drivers/hwmon/pmbus/Kconfig b/drivers/hwmon/pmbus/Kconfig >> index a25faf69fce3..9c846facce9f 100644 >> --- a/drivers/hwmon/pmbus/Kconfig >> +++ b/drivers/hwmon/pmbus/Kconfig >> @@ -220,6 +220,15 @@ config SENSORS_MP2975 >> This driver can also be built as a module. If so, the module will >> be called mp2975. > Add empty line. Same as above. >> +config SENSORS_PM6764TR >> + tristate "ST PM6764TR" >> + help >> + If you say yes here you get hardware monitoring support for ST >> + PM6764TR. >> + >> + This driver can also be built as a module. If so, the module will >> + be called pm6764tr. >> + >> config SENSORS_PXE1610 >> tristate "Infineon PXE1610" >> help >> diff --git a/drivers/hwmon/pmbus/Makefile b/drivers/hwmon/pmbus/Makefile >> index 4c97ad0bd791..31ebdef5d4a6 100644 >> --- a/drivers/hwmon/pmbus/Makefile >> +++ b/drivers/hwmon/pmbus/Makefile >> @@ -25,6 +25,7 @@ obj-$(CONFIG_SENSORS_MAX31785) += max31785.o >> obj-$(CONFIG_SENSORS_MAX34440) += max34440.o >> obj-$(CONFIG_SENSORS_MAX8688) += max8688.o >> obj-$(CONFIG_SENSORS_MP2975) += mp2975.o >> +obj-$(CONFIG_SENSORS_PM6764TR) += pm6764tr.o >> obj-$(CONFIG_SENSORS_PXE1610) += pxe1610.o >> obj-$(CONFIG_SENSORS_TPS40422) += tps40422.o >> obj-$(CONFIG_SENSORS_TPS53679) += tps53679.o >> diff --git a/drivers/hwmon/pmbus/pm6764tr.c b/drivers/hwmon/pmbus/pm6764tr.c >> new file mode 100644 >> index 000000000000..70747c21c66e >> --- /dev/null >> +++ b/drivers/hwmon/pmbus/pm6764tr.c >> @@ -0,0 +1,76 @@ >> +// SPDX-License-Identifier: GPL-2.0+ >> +/* >> + * Hardware monitoring driver for STMicroelectronics digital controller PM6764TR >> + */ >> + >> +#include <linux/err.h> >> +#include <linux/i2c.h> >> +#include <linux/init.h> >> +#include <linux/kernel.h> >> +#include <linux/module.h> >> +#include <linux/pmbus.h> >> +#include "pmbus.h" >> + >> +#define PM6764TR_PMBUS_READ_VOUT 0xD4 >> + >> +static int pm6764tr_read_word_data(struct i2c_client *client, int page, int reg) >> +{ >> + int ret; >> + >> + switch (reg) { >> + case PMBUS_VIRT_READ_VMON: >> + ret = pmbus_read_word_data(client, page, PM6764TR_PMBUS_READ_VOUT); >> + break; >> + default: >> + ret = -ENODATA; >> + break; >> + } >> + return ret; >> +} >> + >> +static struct pmbus_driver_info pm6764tr_info = { >> + .pages = 1, >> + .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_IIN | PMBUS_HAVE_PIN | >> + PMBUS_HAVE_IOUT | PMBUS_HAVE_POUT | PMBUS_HAVE_VMON | >> + PMBUS_HAVE_STATUS_IOUT | PMBUS_HAVE_STATUS_VOUT | >> + PMBUS_HAVE_TEMP | PMBUS_HAVE_STATUS_TEMP, >> + .read_word_data = pm6764tr_read_word_data, >> +}; >> + >> +static int pm6764tr_probe(struct i2c_client *client, >> + const struct i2c_device_id *id) >> +{ >> + return pmbus_do_probe(client, id, &pm6764tr_info); >> +} >> + >> +static const struct i2c_device_id pm6764tr_id[] = { >> + {"pm6764tr", 0}, >> + {} >> +}; >> +MODULE_DEVICE_TABLE(i2c, pm6764tr_id); >> + >> +static const struct of_device_id pm6764tr_of_match[] = { >> + {.compatible = "st,pm6764tr"}, >> + {} >> +}; >> + >> +/* This is the driver that will be inserted */ >> +static struct i2c_driver pm6764tr_driver = { >> + .driver = { >> + .name = "pm6764tr", >> + .of_match_table = of_match_ptr(pm6764tr_of_match), >> + }, >> + .probe_new = pm6764tr_probe, >> + .id_table = pm6764tr_id, >> +}; >> + >> +module_i2c_driver(pm6764tr_driver); >> + >> +MODULE_AUTHOR("Charles Hsu"); >> +MODULE_DESCRIPTION("PMBus driver for ST PM6764TR"); >> +MODULE_LICENSE("GPL"); >> -- >> 2.25.1 >> ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH v5] hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator 2020-11-30 7:46 ` Charles @ 2020-11-30 14:59 ` Guenter Roeck 0 siblings, 0 replies; 3+ messages in thread From: Guenter Roeck @ 2020-11-30 14:59 UTC (permalink / raw) To: Charles; +Cc: linux-kernel, linux-hwmon, alan On Mon, Nov 30, 2020 at 03:46:19PM +0800, Charles wrote: > On 28/11/2020 上午12:10, Guenter Roeck wrote: > > On Fri, Nov 27, 2020 at 09:59:01AM +0800, Charles wrote: > > > Add the pmbus driver for the STMicroelectronics pm6764 voltage regulator. > > > > > > the output voltage use the MFR_READ_VOUT 0xD4 > > > vout value returned is linear11 > > > > > > Signed-off-by: Charles Hsu <hsu.yungteng@gmail.com> > > This patch (again) didn't make it to any of the mailing lists. > > Please try to find out why this is the case. I usually pick up > > patches from https://patchwork.kernel.org/project/linux-hwmon/list/, > > and may easily miss a patch if I can't find it there. > > > > > --- > > > > > > v5: > > > - Add MAINTAINERS > > > - Add a reference into trivial-devices.yaml > > > v4: > > > - Add pm6764tr to Documentation/hwmon/index.rst. > > > v3: > > > - Add Documentation(Documentation/hwmon/pm6764tr.rst). > > > - Fix include order. > > > v2: > > > - Fix formatting. > > > - Remove pmbus_do_remove. > > > - Change from .probe to .probe_new. > > > v1: > > > - Initial patchset. > > > > > > --- > > > > > > .../devicetree/bindings/trivial-devices.yaml | 2 + > > > Documentation/hwmon/index.rst | 1 + > > > Documentation/hwmon/pm6764tr.rst | 33 ++++++++ > > > MAINTAINERS | 7 ++ > > > drivers/hwmon/pmbus/Kconfig | 9 +++ > > > drivers/hwmon/pmbus/Makefile | 1 + > > > drivers/hwmon/pmbus/pm6764tr.c | 76 +++++++++++++++++++ > > > 7 files changed, 129 insertions(+) > > > create mode 100644 Documentation/hwmon/pm6764tr.rst > > > create mode 100644 drivers/hwmon/pmbus/pm6764tr.c > > > > > > diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml > > > index ab623ba930d5..cdd7bdb6abbb 100644 > > > --- a/Documentation/devicetree/bindings/trivial-devices.yaml > > > +++ b/Documentation/devicetree/bindings/trivial-devices.yaml > > > @@ -348,6 +348,8 @@ properties: > > > - socionext,synquacer-tpm-mmio > > > # i2c serial eeprom (24cxx) > > > - st,24c256 > > > + # SMBus/I2C Voltage Regulator > > > + - st,pm6764tr > > > # Ambient Light Sensor with SMBUS/Two Wire Serial Interface > > > - taos,tsl2550 > > > # 8-Channels, 12-bit ADC > > This, like all devicetre changes, needs to be a separate patch. > > Also, please make sure to copy dt maintainers and the dt mailing list > > when you send that patch. > > > Thank you for your suggestions. > > I will send that patch as soon as possible. > > > > > diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst > > > index b797db738225..1bbd05e41de4 100644 > > > --- a/Documentation/hwmon/index.rst > > > +++ b/Documentation/hwmon/index.rst > > > @@ -144,6 +144,7 @@ Hardware Monitoring Kernel Drivers > > > pc87360 > > > pc87427 > > > pcf8591 > > > + pm6764tr > > > pmbus > > > powr1220 > > > pxe1610 > > > diff --git a/Documentation/hwmon/pm6764tr.rst b/Documentation/hwmon/pm6764tr.rst > > > new file mode 100644 > > > index 000000000000..5e8092e39297 > > > --- /dev/null > > > +++ b/Documentation/hwmon/pm6764tr.rst > > > @@ -0,0 +1,33 @@ > > > +.. SPDX-License-Identifier: GPL-2.0-only > > > + > > > +Kernel driver pm6764tr > > > +====================== > > > + > > > +Supported chips: > > > + > > > + * ST PM6764TR > > > + > > > + Prefix: 'pm6764tr' > > > + > > > + Addresses scanned: - > > > + > > > + Datasheet: http://www.st.com/resource/en/data_brief/pm6764.pdf > > > + > > > +Authors: > > > + <hsu.yungteng@gmail.com> > > > + > > > +Description: > > > +------------ > > > + > > > +This driver supports the STMicroelectronics PM6764TR chip. The PM6764TR is a high > > > +performance digital controller designed to power Intel’s VR12.5 processors and memories. > > > + > > Unrelated side note: I understand this means that you are forced to keep the > > datasheet under wraps, which in turn means I can not suggest functionality > > improvements since I don't have access to it. If the chip happens to support > > per-rail telemetry, you might want to consider adding support for that in a > > follow-up patch. > > > > > +The device utilizes digital technology to implement all control and power management > > > +functions to provide maximum flexibility and performance. The NVM is embedded to store > > > +custom configurations. The PM6764TR device features up to 4-phase programmable operation. > > > + > > > +The PM6764TR supports power state transitions featuring VFDE, and programmable DPM > > > +maintaining the best efficiency over all loading conditions without compromising transient > > > +response. The device assures fast and independent protectionagainstload overcurrent, > > "protectionagainstload" -> "protection against load" > > > > > +under/overvoltage and feedback disconnections. > > > + > > Drop empty line at end. > > > > > diff --git a/MAINTAINERS b/MAINTAINERS > > > index 94ac10a153c7..a3fea132c4ed 100644 > > > --- a/MAINTAINERS > > > +++ b/MAINTAINERS > > > @@ -13904,6 +13904,13 @@ M: Logan Gunthorpe <logang@deltatee.com> > > > S: Maintained > > > F: drivers/dma/plx_dma.c > > Add empty line. > > > There is an empty line here, > > Should I add one more empty line? > One empty line is needed. Maybe I missed it. I am looking forward to the next version of your patch; then we'll see. Thanks, Guenter ^ permalink raw reply [flat|nested] 3+ messages in thread
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[not found] <f8766ea1-b4ee-f298-a5a4-dc83f9a54617@gmail.com>
2020-11-27 16:10 ` [PATCH v5] hwmon: Add driver for STMicroelectronics PM6764 Voltage Regulator Guenter Roeck
2020-11-30 7:46 ` Charles
2020-11-30 14:59 ` Guenter Roeck
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