[Feature]add MT2731_MP2_MR2_SVN388 baseline version

Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/kernel/linux/v4.14/drivers/iio/magnetometer/hmc5843.h b/src/kernel/linux/v4.14/drivers/iio/magnetometer/hmc5843.h
new file mode 100644
index 0000000..76a5d74
--- /dev/null
+++ b/src/kernel/linux/v4.14/drivers/iio/magnetometer/hmc5843.h
@@ -0,0 +1,65 @@
+/*
+ * Header file for hmc5843 driver
+ *
+ * Split from hmc5843.c
+ * Copyright (C) Josef Gajdusek <atx@atx.name>
+ *
+ * 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 by the Free Software Foundation.
+ */
+
+#ifndef HMC5843_CORE_H
+#define HMC5843_CORE_H
+
+#include <linux/regmap.h>
+#include <linux/iio/iio.h>
+
+#define HMC5843_CONFIG_REG_A			0x00
+#define HMC5843_CONFIG_REG_B			0x01
+#define HMC5843_MODE_REG			0x02
+#define HMC5843_DATA_OUT_MSB_REGS		0x03
+#define HMC5843_STATUS_REG			0x09
+#define HMC5843_ID_REG				0x0a
+#define HMC5843_ID_END				0x0c
+
+enum hmc5843_ids {
+	HMC5843_ID,
+	HMC5883_ID,
+	HMC5883L_ID,
+	HMC5983_ID,
+};
+
+/**
+ * struct hcm5843_data	- device specific data
+ * @dev:		actual device
+ * @lock:		update and read regmap data
+ * @regmap:		hardware access register maps
+ * @variant:		describe chip variants
+ * @buffer:		3x 16-bit channels + padding + 64-bit timestamp
+ */
+struct hmc5843_data {
+	struct device *dev;
+	struct mutex lock;
+	struct regmap *regmap;
+	const struct hmc5843_chip_info *variant;
+	__be16 buffer[8];
+};
+
+int hmc5843_common_probe(struct device *dev, struct regmap *regmap,
+			 enum hmc5843_ids id, const char *name);
+int hmc5843_common_remove(struct device *dev);
+
+int hmc5843_common_suspend(struct device *dev);
+int hmc5843_common_resume(struct device *dev);
+
+#ifdef CONFIG_PM_SLEEP
+static SIMPLE_DEV_PM_OPS(hmc5843_pm_ops,
+		hmc5843_common_suspend,
+		hmc5843_common_resume);
+#define HMC5843_PM_OPS (&hmc5843_pm_ops)
+#else
+#define HMC5843_PM_OPS NULL
+#endif
+
+#endif /* HMC5843_CORE_H */