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 <[email protected]> --- 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 + 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); -- 2.28.0
