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Diffstat (limited to 'arch/arm/mach-exynos4/clock-exynos4212.c')
-rw-r--r--arch/arm/mach-exynos4/clock-exynos4212.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/arch/arm/mach-exynos4/clock-exynos4212.c b/arch/arm/mach-exynos4/clock-exynos4212.c
new file mode 100644
index 0000000..5a47a3f
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+++ b/arch/arm/mach-exynos4/clock-exynos4212.c
@@ -0,0 +1,84 @@
+/*
+ * linux/arch/arm/mach-exynos4/clock-exynos4212.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * EXYNOS4212 - 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.
+*/
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/clk.h>
+#include <linux/io.h>
+
+#include <plat/cpu-freq.h>
+#include <plat/clock.h>
+#include <plat/cpu.h>
+#include <plat/pll.h>
+#include <plat/s5p-clock.h>
+#include <plat/clock-clksrc.h>
+#include <plat/exynos4.h>
+
+#include <mach/hardware.h>
+#include <mach/map.h>
+#include <mach/regs-clock.h>
+#include <mach/exynos4-clock.h>
+
+static struct clk *clk_src_mpll_user_list[] = {
+ [0] = &clk_fin_mpll,
+ [1] = &clk_mout_mpll.clk,
+};
+
+static struct clksrc_sources clk_src_mpll_user = {
+ .sources = clk_src_mpll_user_list,
+ .nr_sources = ARRAY_SIZE(clk_src_mpll_user_list),
+};
+
+static struct clksrc_clk clk_mout_mpll_user = {
+ .clk = {
+ .name = "mout_mpll_user",
+ },
+ .sources = &clk_src_mpll_user,
+ .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 24, .size = 1 },
+};
+
+static struct clksrc_clk *sysclks[] = {
+ &clk_mout_mpll_user,
+};
+
+static struct clksrc_clk clksrcs[] = {
+ /* nothing here yet */
+};
+
+static struct clk init_clocks_off[] = {
+ /* nothing here yet */
+};
+
+void __init exynos4212_register_clocks(void)
+{
+ int ptr;
+
+ /* usbphy1 is removed */
+ clkset_group_list[4] = NULL;
+
+ /* mout_mpll_user is used */
+ clkset_group_list[6] = &clk_mout_mpll_user.clk;
+ clkset_aclk_top_list[0] = &clk_mout_mpll_user.clk;
+
+ clk_mout_mpll.reg_src.reg = S5P_CLKSRC_DMC;
+ clk_mout_mpll.reg_src.shift = 12;
+ clk_mout_mpll.reg_src.size = 1;
+
+ for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
+ s3c_register_clksrc(sysclks[ptr], 1);
+
+ s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
+
+ s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+ s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+}
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