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authorKukjin Kim <kgene.kim@samsung.com>2010-01-14 08:13:37 +0900
committerBen Dooks <ben-linux@fluff.org>2010-01-15 19:16:16 +0900
commit1a0e8a52ad56075663d8e120e2468fc96fb6fa6c (patch)
tree1ff1246f8bfc638e6fc2fab1c3d25b1aba6bb8c1 /arch/arm/plat-s5p/include/plat/s5p-clock.h
parent209fecd1b8e65b8046efbbc8314d449e53c4c6b6 (diff)
ARM: S5P6440: Add Clock and PLL support
This patch adds clock and pll support for S5P6440. This patch are based on Harald Welte's patches and Ben's plat-samsung. Signed-off-by: Thomas Abraham <thomas.ab@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s5p/include/plat/s5p-clock.h')
-rw-r--r--arch/arm/plat-s5p/include/plat/s5p-clock.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm/plat-s5p/include/plat/s5p-clock.h b/arch/arm/plat-s5p/include/plat/s5p-clock.h
new file mode 100644
index 00000000000..e1a7444b882
--- /dev/null
+++ b/arch/arm/plat-s5p/include/plat/s5p-clock.h
@@ -0,0 +1,38 @@
+/* linux/arch/arm/plat-s5p/include/plat/s5p-clock.h
+ *
+ * Copyright 2009 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Header file for s5p clock support
+ *
+ * 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 __ASM_PLAT_S5P_CLOCK_H
+#define __ASM_PLAT_S5P_CLOCK_H __FILE__
+
+#include <linux/clk.h>
+
+#define GET_DIV(clk, field) ((((clk) & field##_MASK) >> field##_SHIFT) + 1)
+
+#define clk_fin_apll clk_ext_xtal_mux
+#define clk_fin_mpll clk_ext_xtal_mux
+#define clk_fin_epll clk_ext_xtal_mux
+
+extern struct clk clk_ext_xtal_mux;
+extern struct clk clk_48m;
+extern struct clk clk_fout_apll;
+extern struct clk clk_fout_mpll;
+extern struct clk clk_fout_epll;
+extern struct clk clk_arm;
+
+extern struct clksrc_sources clk_src_apll;
+extern struct clksrc_sources clk_src_mpll;
+extern struct clksrc_sources clk_src_epll;
+
+extern int s5p6440_clk48m_ctrl(struct clk *clk, int enable);
+extern int s5p_gatectrl(void __iomem *reg, struct clk *clk, int enable);
+
+#endif /* __ASM_PLAT_S5P_CLOCK_H */