summaryrefslogtreecommitdiff
path: root/include/linux/regulator/fan53555.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/regulator/fan53555.h')
-rw-r--r--include/linux/regulator/fan53555.h60
1 files changed, 60 insertions, 0 deletions
diff --git a/include/linux/regulator/fan53555.h b/include/linux/regulator/fan53555.h
new file mode 100644
index 000000000000..5c45c85d52ca
--- /dev/null
+++ b/include/linux/regulator/fan53555.h
@@ -0,0 +1,60 @@
+/*
+ * fan53555.h - Fairchild Regulator FAN53555 Driver
+ *
+ * Copyright (C) 2012 Marvell Technology Ltd.
+ * Yunfan Zhang <yfzhang@marvell.com>
+ *
+ * This package is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef __FAN53555_H__
+
+/* VSEL ID */
+enum {
+ FAN53555_VSEL_ID_0 = 0,
+ FAN53555_VSEL_ID_1,
+};
+
+/* Transition slew rate limiting from a low to high voltage.
+ * -----------------------
+ * Bin |Slew Rate(mV/uS)
+ * ------|----------------
+ * 000 | 64.00
+ * ------|----------------
+ * 001 | 32.00
+ * ------|----------------
+ * 010 | 16.00
+ * ------|----------------
+ * 011 | 8.00
+ * ------|----------------
+ * 100 | 4.00
+ * ------|----------------
+ * 101 | 2.00
+ * ------|----------------
+ * 110 | 1.00
+ * ------|----------------
+ * 111 | 0.50
+ * -----------------------
+ */
+enum {
+ FAN53555_SLEW_RATE_64MV = 0,
+ FAN53555_SLEW_RATE_32MV,
+ FAN53555_SLEW_RATE_16MV,
+ FAN53555_SLEW_RATE_8MV,
+ FAN53555_SLEW_RATE_4MV,
+ FAN53555_SLEW_RATE_2MV,
+ FAN53555_SLEW_RATE_1MV,
+ FAN53555_SLEW_RATE_0_5MV,
+};
+
+struct fan53555_platform_data {
+ struct regulator_init_data *regulator;
+ unsigned int slew_rate;
+ /* Sleep VSEL ID */
+ unsigned int sleep_vsel_id;
+};
+
+#endif /* __FAN53555_H__ */