--- zzzz-none-000/linux-3.10.107/include/linux/mfd/samsung/s5m8767.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/mfd/samsung/s5m8767.h	2021-02-04 17:41:59.000000000 +0000
@@ -183,6 +183,29 @@
 	S5M8767_REG_MAX,
 };
 
-#define S5M8767_ENCTRL_SHIFT  6
+/* LDO_EN/BUCK_EN field in registers */
+#define S5M8767_ENCTRL_SHIFT		6
+#define S5M8767_ENCTRL_MASK		(0x3 << S5M8767_ENCTRL_SHIFT)
+
+/*
+ * LDO_EN/BUCK_EN register value for controlling this Buck or LDO
+ * by GPIO (PWREN, BUCKEN).
+ */
+#define S5M8767_ENCTRL_USE_GPIO		0x1
+
+/*
+ * Values for BUCK_RAMP field in DVS_RAMP register, matching raw values
+ * in mV/us.
+ */
+enum s5m8767_dvs_buck_ramp_values {
+	S5M8767_DVS_BUCK_RAMP_5		= 0x4,
+	S5M8767_DVS_BUCK_RAMP_10	= 0x9,
+	S5M8767_DVS_BUCK_RAMP_12_5	= 0xb,
+	S5M8767_DVS_BUCK_RAMP_25	= 0xd,
+	S5M8767_DVS_BUCK_RAMP_50	= 0xe,
+	S5M8767_DVS_BUCK_RAMP_100	= 0xf,
+};
+#define S5M8767_DVS_BUCK_RAMP_SHIFT	4
+#define S5M8767_DVS_BUCK_RAMP_MASK	(0xf << S5M8767_DVS_BUCK_RAMP_SHIFT)
 
 #endif /* __LINUX_MFD_S5M8767_H */