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Subject[PATCH v9 03/13] mfd: simple-mfd-i2c: add sl28cpld support
Date
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>
Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
---
Changes since v8:
- none

Changes since v7:
- added MFD_SL28CPLD virtual Kconfig symbol
- Please note, that I intentionally removed the Acked-for-MFD-by
because of this change.

Changes since v6:
- renamed "sl28cpld-r1" to "sl28cpld"

Changes since v5:
- none

Changes since v4:
- new patch

drivers/mfd/Kconfig | 10 ++++++++++
drivers/mfd/simple-mfd-i2c.c | 1 +
2 files changed, 11 insertions(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 62f2838da66c..4b918fdcc7c7 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -1174,6 +1174,16 @@ config MFD_SIMPLE_MFD_I2C
sub-devices represented by child nodes in Device Tree will be
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
tristate "Silicon Motion SM501"
depends on HAS_DMA
diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c
index 28e96a246be1..87f684cff9a1 100644
--- a/drivers/mfd/simple-mfd-i2c.c
+++ b/drivers/mfd/simple-mfd-i2c.c
@@ -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[] = {
+ { .compatible = "kontron,sl28cpld" },
{}
};
MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);
--
2.20.1
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