power: pmic: rk816: support rk816 pmic

The RK816 is a Power Management IC (PMIC) for multimedia
and handheld devices. They contains the following components:
    - Regulators(4*BUCKs, 1*BOOST, 6*LDOs, 1*SWITCH)
    - RTC
    - Clocking

Signed-off-by: Elaine Zhang <zhangqing@rock-chips.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/include/power/rk8xx_pmic.h b/include/power/rk8xx_pmic.h
index c06248f..44e8d68 100644
--- a/include/power/rk8xx_pmic.h
+++ b/include/power/rk8xx_pmic.h
@@ -170,8 +170,17 @@
 };
 
 enum {
-	RK805_ID = 0x8050,
+	RK816_REG_DCDC_EN1 = 0x23,
+	RK816_REG_DCDC_EN2,
+	RK816_REG_DCDC_SLP_EN,
+	RK816_REG_LDO_SLP_EN,
+	RK816_REG_LDO_EN1 = 0x27,
+	RK816_REG_LDO_EN2,
+};
+
+enum {
 	RK808_ID = 0x0000,
+	RK816_ID = 0x8160,
 	RK818_ID = 0x8180,
 };