| Message ID | 20210409031332.21919-3-quan@os.amperecomputing.com |
|---|---|
| State | New |
| Headers | show |
| Series | Add Ampere's Altra SMPro hwmon driver | expand |
On Fri, Apr 09, 2021 at 10:13:30AM +0700, Quan Nguyen wrote: > Adds an MFD driver for SMpro found on the Mt.Jade hardware reference > platform with Ampere's Altra processor family. > > Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> > Reported-by: kernel test robot <lkp@intel.com> > --- > drivers/mfd/Kconfig | 10 ++++++++++ > drivers/mfd/simple-mfd-i2c.c | 6 ++++++ > 2 files changed, 16 insertions(+) > > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index d07e8cf93286..f7a6460f7aa0 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -77,6 +77,16 @@ config MFD_AS3711 > help > Support for the AS3711 PMIC from AMS > > +config MFD_SMPRO > + tristate "Ampere Computing MFD SMpro core driver" > + select MFD_SIMPLE_MFD_I2C This is missing "depends on I2C". > + help > + Say yes here to enable SMpro driver support for Ampere's Altra > + processor family. > + > + Ampere's Altra SMpro exposes an I2C regmap interface that can > + be accessed by child devices. > + > config MFD_AS3722 > tristate "ams AS3722 Power Management IC" > select MFD_CORE > diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c > index 87f684cff9a1..9a44655f5592 100644 > --- a/drivers/mfd/simple-mfd-i2c.c > +++ b/drivers/mfd/simple-mfd-i2c.c > @@ -21,6 +21,11 @@ static const struct regmap_config simple_regmap_config = { > .val_bits = 8, > }; > > +static const struct regmap_config simple_word_regmap_config = { > + .reg_bits = 8, > + .val_bits = 16, > +}; > + > static int simple_mfd_i2c_probe(struct i2c_client *i2c) > { > const struct regmap_config *config; > @@ -39,6 +44,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) > > static const struct of_device_id simple_mfd_i2c_of_match[] = { > { .compatible = "kontron,sl28cpld" }, > + { .compatible = "ampere,smpro", .data = &simple_word_regmap_config }, > {} > }; > MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
On 14/04/2021 19:21, Guenter Roeck wrote: > On Fri, Apr 09, 2021 at 10:13:30AM +0700, Quan Nguyen wrote: >> Adds an MFD driver for SMpro found on the Mt.Jade hardware reference >> platform with Ampere's Altra processor family. >> >> Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> >> Reported-by: kernel test robot <lkp@intel.com> >> --- >> drivers/mfd/Kconfig | 10 ++++++++++ >> drivers/mfd/simple-mfd-i2c.c | 6 ++++++ >> 2 files changed, 16 insertions(+) >> >> diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig >> index d07e8cf93286..f7a6460f7aa0 100644 >> --- a/drivers/mfd/Kconfig >> +++ b/drivers/mfd/Kconfig >> @@ -77,6 +77,16 @@ config MFD_AS3711 >> help >> Support for the AS3711 PMIC from AMS >> >> +config MFD_SMPRO >> + tristate "Ampere Computing MFD SMpro core driver" >> + select MFD_SIMPLE_MFD_I2C > > This is missing "depends on I2C". > Thanks Guenter to help pointing this out. This fixes the issue reported by kernel test robot. Will include this in next version. >> + help >> + Say yes here to enable SMpro driver support for Ampere's Altra >> + processor family. >> + >> + Ampere's Altra SMpro exposes an I2C regmap interface that can >> + be accessed by child devices. >> + >> config MFD_AS3722 >> tristate "ams AS3722 Power Management IC" >> select MFD_CORE >> diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c >> index 87f684cff9a1..9a44655f5592 100644 >> --- a/drivers/mfd/simple-mfd-i2c.c >> +++ b/drivers/mfd/simple-mfd-i2c.c >> @@ -21,6 +21,11 @@ static const struct regmap_config simple_regmap_config = { >> .val_bits = 8, >> }; >> >> +static const struct regmap_config simple_word_regmap_config = { >> + .reg_bits = 8, >> + .val_bits = 16, >> +}; >> + >> static int simple_mfd_i2c_probe(struct i2c_client *i2c) >> { >> const struct regmap_config *config; >> @@ -39,6 +44,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) >> >> static const struct of_device_id simple_mfd_i2c_of_match[] = { >> { .compatible = "kontron,sl28cpld" }, >> + { .compatible = "ampere,smpro", .data = &simple_word_regmap_config }, >> {} >> }; >> MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index d07e8cf93286..f7a6460f7aa0 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -77,6 +77,16 @@ config MFD_AS3711 help Support for the AS3711 PMIC from AMS +config MFD_SMPRO + tristate "Ampere Computing MFD SMpro core driver" + select MFD_SIMPLE_MFD_I2C + help + Say yes here to enable SMpro driver support for Ampere's Altra + processor family. + + Ampere's Altra SMpro exposes an I2C regmap interface that can + be accessed by child devices. + config MFD_AS3722 tristate "ams AS3722 Power Management IC" select MFD_CORE diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 87f684cff9a1..9a44655f5592 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -21,6 +21,11 @@ static const struct regmap_config simple_regmap_config = { .val_bits = 8, }; +static const struct regmap_config simple_word_regmap_config = { + .reg_bits = 8, + .val_bits = 16, +}; + static int simple_mfd_i2c_probe(struct i2c_client *i2c) { const struct regmap_config *config; @@ -39,6 +44,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) static const struct of_device_id simple_mfd_i2c_of_match[] = { { .compatible = "kontron,sl28cpld" }, + { .compatible = "ampere,smpro", .data = &simple_word_regmap_config }, {} }; MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
Adds an MFD driver for SMpro found on the Mt.Jade hardware reference platform with Ampere's Altra processor family. Signed-off-by: Quan Nguyen <quan@os.amperecomputing.com> --- drivers/mfd/Kconfig | 10 ++++++++++ drivers/mfd/simple-mfd-i2c.c | 6 ++++++ 2 files changed, 16 insertions(+)