1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/clock.h b/arch/arm/mach-shmobile/clock.h
new file mode 100644
index 000000000..cf3552ea1
--- /dev/null
+++ b/arch/arm/mach-shmobile/clock.h
@@ -0,0 +1,42 @@
+#ifndef CLOCK_H
+#define CLOCK_H
+
+/* legacy clock implementation */
+
+struct clk;
+unsigned long shmobile_fixed_ratio_clk_recalc(struct clk *clk);
+extern struct sh_clk_ops shmobile_fixed_ratio_clk_ops;
+
+/* clock ratio */
+struct clk_ratio {
+	int mul;
+	int div;
+};
+
+#define SH_CLK_RATIO(name, m, d)		\
+static struct clk_ratio name ##_ratio = {	\
+	.mul = m,				\
+	.div = d,				\
+}
+
+#define SH_FIXED_RATIO_CLKg(name, p, r)	\
+struct clk name = {			\
+	.parent	= &p,				\
+	.ops	= &shmobile_fixed_ratio_clk_ops,\
+	.priv	= &r ## _ratio,			\
+}
+
+#define SH_FIXED_RATIO_CLK(name, p, r)		\
+static SH_FIXED_RATIO_CLKg(name, p, r)
+
+#define SH_FIXED_RATIO_CLK_SET(name, p, m, d)	\
+	SH_CLK_RATIO(name, m, d);		\
+	SH_FIXED_RATIO_CLK(name, p, name)
+
+#define SH_CLK_SET_RATIO(p, m, d)	\
+do {			\
+	(p)->mul = m;	\
+	(p)->div = d;	\
+} while (0)
+
+#endif