ARM: S5P6442: Add clock support for S5P6442

This patch adds clock support for S5P6442. This patch adds the clock
register definitions and the various system clocks in S5P6442.

Signed-off-by: Adityapratap Sharma <aditya.ps@samsung.com>
Signed-off-by: Atul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

1 files changed, 103 insertions, 0 deletions

diff --git a/arch/arm/mach-s5p6442/include/mach/regs-clock.h b/arch/arm/mach-s5p6442/include/mach/regs-clock.h
new file mode 100644
index 000000000000..d8360b5d4ece
--- /dev/null
+++ b/arch/arm/mach-s5p6442/include/mach/regs-clock.h
@@ -0,0 +1,103 @@
+/* linux/arch/arm/mach-s5p6442/include/mach/regs-clock.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co., Ltd.
+ *              http://www.samsung.com/
+ *
+ * S5P6442 - Clock register definitions
+ *
+ * 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_ARCH_REGS_CLOCK_H
+#define __ASM_ARCH_REGS_CLOCK_H __FILE__
+
+#include <mach/map.h>
+
+#define S5P_CLKREG(x)           (S3C_VA_SYS + (x))
+
+#define S5P_APLL_LOCK           S5P_CLKREG(0x00)
+#define S5P_MPLL_LOCK           S5P_CLKREG(0x08)
+#define S5P_EPLL_LOCK           S5P_CLKREG(0x10)
+#define S5P_VPLL_LOCK           S5P_CLKREG(0x20)
+
+#define S5P_APLL_CON            S5P_CLKREG(0x100)
+#define S5P_MPLL_CON            S5P_CLKREG(0x108)
+#define S5P_EPLL_CON            S5P_CLKREG(0x110)
+#define S5P_VPLL_CON            S5P_CLKREG(0x120)
+
+#define S5P_CLK_SRC0            S5P_CLKREG(0x200)
+#define S5P_CLK_SRC1            S5P_CLKREG(0x204)
+#define S5P_CLK_SRC2            S5P_CLKREG(0x208)
+#define S5P_CLK_SRC3            S5P_CLKREG(0x20C)
+#define S5P_CLK_SRC4            S5P_CLKREG(0x210)
+#define S5P_CLK_SRC5            S5P_CLKREG(0x214)
+#define S5P_CLK_SRC6            S5P_CLKREG(0x218)
+
+#define S5P_CLK_SRC_MASK0       S5P_CLKREG(0x280)
+#define S5P_CLK_SRC_MASK1       S5P_CLKREG(0x284)
+
+#define S5P_CLK_DIV0            S5P_CLKREG(0x300)
+#define S5P_CLK_DIV1            S5P_CLKREG(0x304)
+#define S5P_CLK_DIV2            S5P_CLKREG(0x308)
+#define S5P_CLK_DIV3            S5P_CLKREG(0x30C)
+#define S5P_CLK_DIV4            S5P_CLKREG(0x310)
+#define S5P_CLK_DIV5            S5P_CLKREG(0x314)
+#define S5P_CLK_DIV6            S5P_CLKREG(0x318)
+
+#define S5P_CLKGATE_IP3         S5P_CLKREG(0x46C)
+
+/* CLK_OUT */
+#define S5P_CLK_OUT_SHIFT       (12)
+#define S5P_CLK_OUT_MASK        (0x1F << S5P_CLK_OUT_SHIFT)
+#define S5P_CLK_OUT             S5P_CLKREG(0x500)
+
+#define S5P_CLK_DIV_STAT0       S5P_CLKREG(0x1000)
+#define S5P_CLK_DIV_STAT1       S5P_CLKREG(0x1004)
+
+#define S5P_CLK_MUX_STAT0       S5P_CLKREG(0x1100)
+#define S5P_CLK_MUX_STAT1       S5P_CLKREG(0x1104)
+
+#define S5P_MDNIE_SEL           S5P_CLKREG(0x7008)
+
+/* Register Bit definition */
+#define S5P_EPLL_EN                     (1<<31)
+#define S5P_EPLL_MASK                   0xffffffff
+#define S5P_EPLLVAL(_m, _p, _s)         ((_m) << 16 | ((_p) << 8) | ((_s)))
+
+/* CLKDIV0 */
+#define S5P_CLKDIV0_APLL_SHIFT          (0)
+#define S5P_CLKDIV0_APLL_MASK           (0x7 << S5P_CLKDIV0_APLL_SHIFT)
+#define S5P_CLKDIV0_A2M_SHIFT           (4)
+#define S5P_CLKDIV0_A2M_MASK            (0x7 << S5P_CLKDIV0_A2M_SHIFT)
+#define S5P_CLKDIV0_D0CLK_SHIFT         (16)
+#define S5P_CLKDIV0_D0CLK_MASK          (0xF << S5P_CLKDIV0_D0CLK_SHIFT)
+#define S5P_CLKDIV0_P0CLK_SHIFT         (20)
+#define S5P_CLKDIV0_P0CLK_MASK          (0x7 << S5P_CLKDIV0_P0CLK_SHIFT)
+#define S5P_CLKDIV0_D1CLK_SHIFT         (24)
+#define S5P_CLKDIV0_D1CLK_MASK          (0xF << S5P_CLKDIV0_D1CLK_SHIFT)
+#define S5P_CLKDIV0_P1CLK_SHIFT         (28)
+#define S5P_CLKDIV0_P1CLK_MASK          (0x7 << S5P_CLKDIV0_P1CLK_SHIFT)
+
+/* Clock MUX status Registers */
+#define S5P_CLK_MUX_STAT0_APLL_SHIFT    (0)
+#define S5P_CLK_MUX_STAT0_APLL_MASK     (0x7 << S5P_CLK_MUX_STAT0_APLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_MPLL_SHIFT    (4)
+#define S5P_CLK_MUX_STAT0_MPLL_MASK     (0x7 << S5P_CLK_MUX_STAT0_MPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_EPLL_SHIFT    (8)
+#define S5P_CLK_MUX_STAT0_EPLL_MASK     (0x7 << S5P_CLK_MUX_STAT0_EPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_VPLL_SHIFT    (12)
+#define S5P_CLK_MUX_STAT0_VPLL_MASK     (0x7 << S5P_CLK_MUX_STAT0_VPLL_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXARM_SHIFT  (16)
+#define S5P_CLK_MUX_STAT0_MUXARM_MASK   (0x7 << S5P_CLK_MUX_STAT0_MUXARM_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXD0_SHIFT   (20)
+#define S5P_CLK_MUX_STAT0_MUXD0_MASK    (0x7 << S5P_CLK_MUX_STAT0_MUXD0_SHIFT)
+#define S5P_CLK_MUX_STAT0_MUXD1_SHIFT   (24)
+#define S5P_CLK_MUX_STAT0_MUXD1_MASK    (0x7 << S5P_CLK_MUX_STAT0_MUXD1_SHIFT)
+#define S5P_CLK_MUX_STAT1_D1SYNC_SHIFT  (24)
+#define S5P_CLK_MUX_STAT1_D1SYNC_MASK   (0x7 << S5P_CLK_MUX_STAT1_D1SYNC_SHIFT)
+#define S5P_CLK_MUX_STAT1_D0SYNC_SHIFT  (28)
+#define S5P_CLK_MUX_STAT1_D0SYNC_MASK   (0x7 << S5P_CLK_MUX_STAT1_D0SYNC_SHIFT)
+
+#endif /* __ASM_ARCH_REGS_CLOCK_H */