1 files changed, 111 insertions, 0 deletions
diff --git a/drivers/mxc/pmic/core/mc9sdz60.c b/drivers/mxc/pmic/core/mc9sdz60.c
new file mode 100644
index 000000000000..e367cb5aee15
--- /dev/null
+++ b/drivers/mxc/pmic/core/mc9sdz60.c
@@ -0,0 +1,111 @@
+/*
+ * Copyright 2008 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+
+    /*!
+     * @file mc9sdz60.c
+     * @brief Driver for MC9sdz60
+     *
+     * @ingroup pmic
+     */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/spinlock.h>
+#include <linux/proc_fs.h>
+#include <linux/i2c.h>
+
+#include <asm/arch/clock.h>
+#include <asm/uaccess.h>
+#include "mc9sdz60.h"
+
+/* I2C bus id and device address of mcu */
+#define I2C1_BUS	0
+#define MC9SDZ60_I2C_ADDR	0xD2	/* 7bits I2C address */
+static struct i2c_client *mc9sdz60_i2c_client;
+
+#define DEBUG_MC9SDZ60 1
+#if DEBUG_MC9SDZ60
+#define DPRINTK(format, args...) printk(KERN_ERR "mc9sdz60: "format"\n", ##args)
+#else
+#define DPRINTK(format, args...)
+#endif
+
+int mc9sdz60_read_reg(u8 reg, u8 *value)
+{
+	*value = (u8) i2c_smbus_read_byte_data(mc9sdz60_i2c_client, reg);
+	return 0;
+}
+
+int mc9sdz60_write_reg(u8 reg, u8 value)
+{
+	if (i2c_smbus_write_byte_data(mc9sdz60_i2c_client, reg, value) < 0) {
+		printk(KERN_ERR "%s:write reg errorr:reg=%x,val=%x\n",
+		       __func__, reg, value);
+		return -1;
+	}
+	return 0;
+}
+
+/*!
+ * mc9sdz60 I2C attach function
+ *
+ * @param adapter            struct i2c_adapter *
+ * @return  0
+ */
+static int mc9sdz60_probe(struct i2c_client *client)
+{
+	mc9sdz60_i2c_client = client;
+	DPRINTK("mc9sdz60_i2c_client = %p", mc9sdz60_i2c_client);
+	return 0;
+}
+
+/*!
+ * mc9sdz60 I2C detach function
+ *
+ * @param client            struct i2c_client *
+ * @return  0
+ */
+static int mc9sdz60_remove(struct i2c_client *client)
+{
+	return 0;
+}
+static struct i2c_driver mc9sdz60_i2c_driver = {
+	.driver = {.owner = THIS_MODULE,
+		   .name = "mc9sdz60",
+		   },
+	.probe = mc9sdz60_probe,
+	.remove = mc9sdz60_remove,
+};
+
+#define SET_BIT_IN_BYTE(byte, pos) (byte |= (0x01 << pos))
+#define CLEAR_BIT_IN_BYTE(byte, pos) (byte &= ~(0x01 << pos))
+
+int mc9sdz60_init(void)
+{
+	int err;
+	DPRINTK("Freescale mc9sdz60 driver,\
+	     (c) 2008 Freescale Semiconductor, Inc.\n");
+	err = i2c_add_driver(&mc9sdz60_i2c_driver);
+	if (err) {
+		printk(KERN_ERR "mc9sdz60: driver registration failed\n");
+		return err;
+	}
+	DPRINTK("mc9sdz60 inited\n");
+	return 0;
+}
+void mc9sdz60_exit(void)
+{
+	i2c_del_driver(&mc9sdz60_i2c_driver);
+}