power: supply: add cros-ec USBPD charger driver.

This driver gets various bits of information about what is connected to
USB PD ports from the EC and converts that into power_supply properties.
Signed-off-by: Sameer Nanda <snanda@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>

drivers/power/supply/Kconfig

@@ -624,4 +624,14 @@ config CHARGER_RT9455
 	help
 	  Say Y to enable support for Richtek RT9455 battery charger.
 
+config CHARGER_CROS_USBPD
+	tristate "ChromeOS EC based USBPD charger"
+	depends on MFD_CROS_EC
+	default n
+	help
+	  Say Y here to enable ChromeOS EC based USBPD charger
+	  driver. This driver gets various bits of information about
+	  what is connected to USB PD ports from the EC and converts
+	  that into power_supply properties.
+
 endif # POWER_SUPPLY

drivers/power/supply/Makefile

@@ -83,3 +83,4 @@ obj-$(CONFIG_CHARGER_TPS65090)	+= tps65090-charger.o
 obj-$(CONFIG_CHARGER_TPS65217)	+= tps65217_charger.o
 obj-$(CONFIG_AXP288_FUEL_GAUGE) += axp288_fuel_gauge.o
 obj-$(CONFIG_AXP288_CHARGER)	+= axp288_charger.o
+obj-$(CONFIG_CHARGER_CROS_USBPD)	+= cros_usbpd-charger.o