mfd: rt5033: Add Richtek RT5033 driver core.
This patch adds a new driver for Richtek RT5033 driver.
RT5033 is a Multifunction device which includes battery charger, fuel gauge,
flash LED current source, LDO and synchronous Buck converter. It is interfaced
to host controller using I2C interface.
Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Acked-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/include/linux/mfd/rt5033.h b/include/linux/mfd/rt5033.h
new file mode 100644
index 0000000..010cff4
--- /dev/null
+++ b/include/linux/mfd/rt5033.h
@@ -0,0 +1,62 @@
+/*
+ * MFD core driver for the RT5033
+ *
+ * Copyright (C) 2014 Samsung Electronics
+ * Author: Beomho Seo <beomho.seo@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published bythe Free Software Foundation.
+ */
+
+#ifndef __RT5033_H__
+#define __RT5033_H__
+
+#include <linux/regulator/consumer.h>
+#include <linux/i2c.h>
+#include <linux/regmap.h>
+#include <linux/power_supply.h>
+
+/* RT5033 regulator IDs */
+enum rt5033_regulators {
+ RT5033_BUCK = 0,
+ RT5033_LDO,
+ RT5033_SAFE_LDO,
+
+ RT5033_REGULATOR_NUM,
+};
+
+struct rt5033_dev {
+ struct device *dev;
+
+ struct regmap *regmap;
+ struct regmap_irq_chip_data *irq_data;
+ int irq;
+ bool wakeup;
+};
+
+struct rt5033_battery {
+ struct i2c_client *client;
+ struct rt5033_dev *rt5033;
+ struct regmap *regmap;
+ struct power_supply psy;
+};
+
+/* RT5033 charger platform data */
+struct rt5033_charger_data {
+ unsigned int pre_uamp;
+ unsigned int pre_uvolt;
+ unsigned int const_uvolt;
+ unsigned int eoc_uamp;
+ unsigned int fast_uamp;
+};
+
+struct rt5033_charger {
+ struct device *dev;
+ struct rt5033_dev *rt5033;
+ struct power_supply psy;
+
+ struct rt5033_charger_data *chg;
+};
+
+#endif /* __RT5033_H__ */