1 files changed, 120 insertions, 0 deletions

diff --git a/arch/arm/plat-omap/clock.h b/arch/arm/plat-omap/clock.h
new file mode 100644
index 000000000000..a89e1e8c2519
--- /dev/null
+++ b/arch/arm/plat-omap/clock.h
@@ -0,0 +1,120 @@
+/*
+ *  linux/arch/arm/plat-omap/clock.h
+ *
+ *  Copyright (C) 2004 Nokia corporation
+ *  Written by Tuukka Tikkanen <tuukka.tikkanen@elektrobit.com>
+ *  Based on clocks.h by Tony Lindgren, Gordon McNutt and RidgeRun, Inc
+ *
+ * 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 __ARCH_ARM_OMAP_CLOCK_H
+#define __ARCH_ARM_OMAP_CLOCK_H
+
+struct module;
+
+struct clk {
+        struct list_head        node;
+        struct module           *owner;
+        const char              *name;
+        struct clk              *parent;
+        unsigned long           rate;
+        __s8                    usecount;
+        __u16                   flags;
+        __u32                   enable_reg;
+        __u8                    enable_bit;
+        __u8                    rate_offset;
+        void                    (*recalc)(struct clk *);
+        int                     (*set_rate)(struct clk *, unsigned long);
+        long                    (*round_rate)(struct clk *, unsigned long);
+        void                    (*init)(struct clk *);
+};
+
+
+struct mpu_rate {
+        unsigned long           rate;
+        unsigned long           xtal;
+        unsigned long           pll_rate;
+        __u16                   ckctl_val;
+        __u16                   dpllctl_val;
+};
+
+
+/* Clock flags */
+#define RATE_CKCTL              1
+#define RATE_FIXED              2
+#define RATE_PROPAGATES         4
+#define VIRTUAL_CLOCK           8
+#define ALWAYS_ENABLED          16
+#define ENABLE_REG_32BIT        32
+#define CLOCK_IN_OMAP16XX       64
+#define CLOCK_IN_OMAP1510       128
+#define CLOCK_IN_OMAP730        256
+#define DSP_DOMAIN_CLOCK        512
+#define VIRTUAL_IO_ADDRESS      1024
+
+/* ARM_CKCTL bit shifts */
+#define CKCTL_PERDIV_OFFSET     0
+#define CKCTL_LCDDIV_OFFSET     2
+#define CKCTL_ARMDIV_OFFSET     4
+#define CKCTL_DSPDIV_OFFSET     6
+#define CKCTL_TCDIV_OFFSET      8
+#define CKCTL_DSPMMUDIV_OFFSET  10
+/*#define ARM_TIMXO             12*/
+#define EN_DSPCK                13
+/*#define ARM_INTHCK_SEL        14*/ /* Divide-by-2 for mpu inth_ck */
+/* DSP_CKCTL bit shifts */
+#define CKCTL_DSPPERDIV_OFFSET  0
+
+/* ARM_IDLECT1 bit shifts */
+/*#define IDLWDT_ARM    0*/
+/*#define IDLXORP_ARM   1*/
+/*#define IDLPER_ARM    2*/
+/*#define IDLLCD_ARM    3*/
+/*#define IDLLB_ARM     4*/
+/*#define IDLHSAB_ARM   5*/
+/*#define IDLIF_ARM     6*/
+/*#define IDLDPLL_ARM   7*/
+/*#define IDLAPI_ARM    8*/
+/*#define IDLTIM_ARM    9*/
+/*#define SETARM_IDLE   11*/
+
+/* ARM_IDLECT2 bit shifts */
+#define EN_WDTCK        0
+#define EN_XORPCK       1
+#define EN_PERCK        2
+#define EN_LCDCK        3
+#define EN_LBCK         4 /* Not on 1610/1710 */
+/*#define EN_HSABCK     5*/
+#define EN_APICK        6
+#define EN_TIMCK        7
+#define DMACK_REQ       8
+#define EN_GPIOCK       9 /* Not on 1610/1710 */
+/*#define EN_LBFREECK   10*/
+#define EN_CKOUT_ARM    11
+
+/* ARM_IDLECT3 bit shifts */
+#define EN_OCPI_CK      0
+#define EN_TC1_CK       2
+#define EN_TC2_CK       4
+
+/* DSP_IDLECT2 bit shifts (0,1,2 are same as for ARM_IDLECT2) */
+#define EN_DSPTIMCK     5
+
+/* Various register defines for clock controls scattered around OMAP chip */
+#define USB_MCLK_EN_BIT         4       /* In ULPD_CLKC_CTRL */
+#define USB_HOST_HHC_UHOST_EN   9       /* In MOD_CONF_CTRL_0 */
+#define SWD_ULPD_PLL_CLK_REQ    1       /* In SWD_CLK_DIV_CTRL_SEL */
+#define COM_ULPD_PLL_CLK_REQ    1       /* In COM_CLK_DIV_CTRL_SEL */
+#define SWD_CLK_DIV_CTRL_SEL    0xfffe0874
+#define COM_CLK_DIV_CTRL_SEL    0xfffe0878
+#define SOFT_REQ_REG            0xfffe0834
+#define SOFT_REQ_REG2           0xfffe0880
+
+int clk_register(struct clk *clk);
+void clk_unregister(struct clk *clk);
+int clk_init(void);
+
+#endif