mfd: axp20x: Add support for RSB based AXP223 PMIC

The AXP223 is a new PMIC commonly paired with Allwinner A23/A33 SoCs.
It is functionally identical to AXP221; only the regulator default
voltage/status and the external host interface are different.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

1 files changed, 11 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 0037b9c933d9..ae3990b5a2bf 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -107,6 +107,17 @@ config MFD_AXP20X_I2C
           components like regulators or the PEK (Power Enable Key) under the
           corresponding menus.
 
+config MFD_AXP20X_RSB
+        tristate "X-Powers AXP series PMICs with RSB"
+        select MFD_AXP20X
+        depends on SUNXI_RSB
+        help
+          If you say Y here you get support for the X-Powers AXP series power
+          management ICs (PMICs) controlled with RSB.
+          This driver include only the core APIs. You have to select individual
+          components like regulators or the PEK (Power Enable Key) under the
+          corresponding menus.
+
 config MFD_CROS_EC
         tristate "ChromeOS Embedded Controller"
         select MFD_CORE