power: supply: Add charger driver for Rockchip RK817

Add support for the Rockchip rk817 battery charger integrated into the
rk817 PMIC.
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Signed-off-by: Maya Matuszczyk <maccraft123mc@gmail.com>
Acked-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Signed-off-by: Lee Jones <lee@kernel.org>
Link: https://lore.kernel.org/r/20220827021623.23829-4-macroalpha82@gmail.com

drivers/power/supply/Kconfig

@@ -708,6 +708,12 @@ config CHARGER_BQ256XX
 	  charge management and system power path management devices for single
 	  cell Li-ion and Li-polymer batteries.
 
+config CHARGER_RK817
+	tristate "Rockchip RK817 PMIC Battery Charger"
+	depends on MFD_RK808
+	help
+	  Say Y to include support for Rockchip RK817 Battery Charger.
+
 config CHARGER_SMB347
 	tristate "Summit Microelectronics SMB3XX Battery Charger"
 	depends on I2C

drivers/power/supply/Makefile

@@ -91,6 +91,7 @@ obj-$(CONFIG_CHARGER_BQ2515X)	+= bq2515x_charger.o
 obj-$(CONFIG_CHARGER_BQ25890)	+= bq25890_charger.o
 obj-$(CONFIG_CHARGER_BQ25980)	+= bq25980_charger.o
 obj-$(CONFIG_CHARGER_BQ256XX)	+= bq256xx_charger.o
+obj-$(CONFIG_CHARGER_RK817)	+= rk817_charger.o
 obj-$(CONFIG_CHARGER_SMB347)	+= smb347-charger.o
 obj-$(CONFIG_CHARGER_TPS65090)	+= tps65090-charger.o
 obj-$(CONFIG_CHARGER_TPS65217)	+= tps65217_charger.o