[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/drivers/clk/sprd/composite.h b/src/kernel/linux/v4.19/drivers/clk/sprd/composite.h
new file mode 100644
index 0000000..0984e9e
--- /dev/null
+++ b/src/kernel/linux/v4.19/drivers/clk/sprd/composite.h
@@ -0,0 +1,51 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Spreadtrum composite clock driver
+//
+// Copyright (C) 2017 Spreadtrum, Inc.
+// Author: Chunyan Zhang <chunyan.zhang@spreadtrum.com>
+
+#ifndef _SPRD_COMPOSITE_H_
+#define _SPRD_COMPOSITE_H_
+
+#include "common.h"
+#include "mux.h"
+#include "div.h"
+
+struct sprd_comp {
+	struct sprd_mux_ssel	mux;
+	struct sprd_div_internal	div;
+	struct sprd_clk_common	common;
+};
+
+#define SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg, _table,	\
+			_mshift, _mwidth, _dshift, _dwidth, _flags)	\
+	struct sprd_comp _struct = {					\
+		.mux	= _SPRD_MUX_CLK(_mshift, _mwidth, _table),	\
+		.div	= _SPRD_DIV_CLK(_dshift, _dwidth),		\
+		.common = {						\
+			.regmap		= NULL,				\
+			.reg		= _reg,				\
+			.hw.init = CLK_HW_INIT_PARENTS(_name,		\
+						       _parent,		\
+						       &sprd_comp_ops,	\
+						       _flags),		\
+			 }						\
+	}
+
+#define SPRD_COMP_CLK(_struct, _name, _parent, _reg, _mshift,	\
+			_mwidth, _dshift, _dwidth, _flags)	\
+	SPRD_COMP_CLK_TABLE(_struct, _name, _parent, _reg,	\
+			    NULL, _mshift, _mwidth,		\
+			    _dshift, _dwidth, _flags)
+
+static inline struct sprd_comp *hw_to_sprd_comp(const struct clk_hw *hw)
+{
+	struct sprd_clk_common *common = hw_to_sprd_clk_common(hw);
+
+	return container_of(common, struct sprd_comp, common);
+}
+
+extern const struct clk_ops sprd_comp_ops;
+
+#endif /* _SPRD_COMPOSITE_H_ */