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Diffstat (limited to 'arch/arm/mach-s3c24xx/pll-s3c2410.c')
-rw-r--r--arch/arm/mach-s3c24xx/pll-s3c2410.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/mach-s3c24xx/pll-s3c2410.c b/arch/arm/mach-s3c24xx/pll-s3c2410.c
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index 000000000..5e37d3685
--- /dev/null
+++ b/arch/arm/mach-s3c24xx/pll-s3c2410.c
@@ -0,0 +1,96 @@
+/*
+ * Copyright (c) 2006-2007 Simtec Electronics
+ * http://armlinux.simtec.co.uk/
+ * Ben Dooks <ben@simtec.co.uk>
+ * Vincent Sanders <vince@arm.linux.org.uk>
+ *
+ * S3C2410 CPU PLL tables
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include <linux/types.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/list.h>
+#include <linux/clk.h>
+#include <linux/err.h>
+
+#include <plat/cpu.h>
+#include <plat/cpu-freq-core.h>
+
+static struct cpufreq_frequency_table pll_vals_12MHz[] = {
+ { .frequency = 34000000, .driver_data = PLLVAL(82, 2, 3), },
+ { .frequency = 45000000, .driver_data = PLLVAL(82, 1, 3), },
+ { .frequency = 51000000, .driver_data = PLLVAL(161, 3, 3), },
+ { .frequency = 48000000, .driver_data = PLLVAL(120, 2, 3), },
+ { .frequency = 56000000, .driver_data = PLLVAL(142, 2, 3), },
+ { .frequency = 68000000, .driver_data = PLLVAL(82, 2, 2), },
+ { .frequency = 79000000, .driver_data = PLLVAL(71, 1, 2), },
+ { .frequency = 85000000, .driver_data = PLLVAL(105, 2, 2), },
+ { .frequency = 90000000, .driver_data = PLLVAL(112, 2, 2), },
+ { .frequency = 101000000, .driver_data = PLLVAL(127, 2, 2), },
+ { .frequency = 113000000, .driver_data = PLLVAL(105, 1, 2), },
+ { .frequency = 118000000, .driver_data = PLLVAL(150, 2, 2), },
+ { .frequency = 124000000, .driver_data = PLLVAL(116, 1, 2), },
+ { .frequency = 135000000, .driver_data = PLLVAL(82, 2, 1), },
+ { .frequency = 147000000, .driver_data = PLLVAL(90, 2, 1), },
+ { .frequency = 152000000, .driver_data = PLLVAL(68, 1, 1), },
+ { .frequency = 158000000, .driver_data = PLLVAL(71, 1, 1), },
+ { .frequency = 170000000, .driver_data = PLLVAL(77, 1, 1), },
+ { .frequency = 180000000, .driver_data = PLLVAL(82, 1, 1), },
+ { .frequency = 186000000, .driver_data = PLLVAL(85, 1, 1), },
+ { .frequency = 192000000, .driver_data = PLLVAL(88, 1, 1), },
+ { .frequency = 203000000, .driver_data = PLLVAL(161, 3, 1), },
+
+ /* 2410A extras */
+
+ { .frequency = 210000000, .driver_data = PLLVAL(132, 2, 1), },
+ { .frequency = 226000000, .driver_data = PLLVAL(105, 1, 1), },
+ { .frequency = 266000000, .driver_data = PLLVAL(125, 1, 1), },
+ { .frequency = 268000000, .driver_data = PLLVAL(126, 1, 1), },
+ { .frequency = 270000000, .driver_data = PLLVAL(127, 1, 1), },
+};
+
+static int s3c2410_plls_add(struct device *dev, struct subsys_interface *sif)
+{
+ return s3c_plltab_register(pll_vals_12MHz, ARRAY_SIZE(pll_vals_12MHz));
+}
+
+static struct subsys_interface s3c2410_plls_interface = {
+ .name = "s3c2410_plls",
+ .subsys = &s3c2410_subsys,
+ .add_dev = s3c2410_plls_add,
+};
+
+static int __init s3c2410_pll_init(void)
+{
+ return subsys_interface_register(&s3c2410_plls_interface);
+
+}
+arch_initcall(s3c2410_pll_init);
+
+static struct subsys_interface s3c2410a_plls_interface = {
+ .name = "s3c2410a_plls",
+ .subsys = &s3c2410a_subsys,
+ .add_dev = s3c2410_plls_add,
+};
+
+static int __init s3c2410a_pll_init(void)
+{
+ return subsys_interface_register(&s3c2410a_plls_interface);
+}
+arch_initcall(s3c2410a_pll_init);