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mfd: simple-mfd-i2c: Add sl28cpld support

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Add the core support for the board management controller found on the
SMARC-sAL28 board.

Also add a virtual symbol which pulls in the simple-mfd-i2c driver and
provide a common symbol on which the subdevice drivers can depend on.

At the moment, this controller is used on the Kontron SMARC-sAL28 board.

Signed-off-by: Michael Walle <michael@walle.cc>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Michael Walle 2020-09-14 23:43:31 +02:00 • committed by Lee Jones
parent 48e28a249e
commit a538ad229b
2 changed files with 11 additions and 0 deletions
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10
drivers/mfd/Kconfig
View file

@ -1174,6 +1174,16 @@ config MFD_SIMPLE_MFD_I2C
sub-devices represented by child nodes in Device Tree will be sub-devices represented by child nodes in Device Tree will be
subsequently registered. subsequently registered.
config MFD_SL28CPLD
tristate "Kontron sl28cpld Board Management Controller"
select MFD_SIMPLE_MFD_I2C
help
Say yes here to enable support for the Kontron sl28cpld board
management controller.
It can be found on the following boards:
* SMARC-sAL28
config MFD_SM501 config MFD_SM501
tristate "Silicon Motion SM501" tristate "Silicon Motion SM501"
depends on HAS_DMA depends on HAS_DMA

1
drivers/mfd/simple-mfd-i2c.c
View file

@ -38,6 +38,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c)
} }
static const struct of_device_id simple_mfd_i2c_of_match[] = { static const struct of_device_id simple_mfd_i2c_of_match[] = {
{ .compatible = "kontron,sl28cpld" },
{} {}
}; };
MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match); MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);