regulator: s5m8767: Add symbols for hard-coded DVS_RAMP register

Add symbols for hard-coded values of BUCK_RAMP field in DVS_RAMP
register. This simplifies a little the code as register update is called
only once.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>

1 files changed, 15 insertions, 0 deletions

diff --git a/include/linux/mfd/samsung/s5m8767.h b/include/linux/mfd/samsung/s5m8767.h
index 9198377ee859..2ab0b0f03641 100644
--- a/include/linux/mfd/samsung/s5m8767.h
+++ b/include/linux/mfd/samsung/s5m8767.h
@@ -186,4 +186,19 @@ enum s5m8767_regulators {
 #define S5M8767_ENCTRL_SHIFT            6
 #define S5M8767_ENCTRL_MASK             (0x3 << S5M8767_ENCTRL_SHIFT)
 
+/*
+ * 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 */