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-rw-r--r--include/asm-arm/arch-omap/clock.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap/clock.h b/include/asm-arm/arch-omap/clock.h
new file mode 100644
index 00000000000..740c297eb11
--- /dev/null
+++ b/include/asm-arm/arch-omap/clock.h
@@ -0,0 +1,91 @@
+/*
+ * linux/include/asm-arm/arch-omap/clock.h
+ *
+ * Copyright (C) 2004 - 2005 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;
+ __u32 flags;
+ void __iomem *enable_reg;
+ __u8 enable_bit;
+ __u8 rate_offset;
+ __u8 src_offset;
+ __s8 usecount;
+ void (*recalc)(struct clk *);
+ int (*set_rate)(struct clk *, unsigned long);
+ long (*round_rate)(struct clk *, unsigned long);
+ void (*init)(struct clk *);
+ int (*enable)(struct clk *);
+ void (*disable)(struct clk *);
+};
+
+struct clk_functions {
+ int (*clk_enable)(struct clk *clk);
+ void (*clk_disable)(struct clk *clk);
+ int (*clk_use)(struct clk *clk);
+ void (*clk_unuse)(struct clk *clk);
+ long (*clk_round_rate)(struct clk *clk, unsigned long rate);
+ int (*clk_set_rate)(struct clk *clk, unsigned long rate);
+ int (*clk_set_parent)(struct clk *clk, struct clk *parent);
+ struct clk * (*clk_get_parent)(struct clk *clk);
+ void (*clk_allow_idle)(struct clk *clk);
+ void (*clk_deny_idle)(struct clk *clk);
+};
+
+extern unsigned int mpurate;
+extern struct list_head clocks;
+extern spinlock_t clockfw_lock;
+
+extern int clk_init(struct clk_functions * custom_clocks);
+extern int clk_register(struct clk *clk);
+extern void clk_unregister(struct clk *clk);
+extern void propagate_rate(struct clk *clk);
+extern void followparent_recalc(struct clk * clk);
+extern void clk_allow_idle(struct clk *clk);
+extern void clk_deny_idle(struct clk *clk);
+
+/* Clock flags */
+#define RATE_CKCTL (1 << 0) /* Main fixed ratio clocks */
+#define RATE_FIXED (1 << 1) /* Fixed clock rate */
+#define RATE_PROPAGATES (1 << 2) /* Program children too */
+#define VIRTUAL_CLOCK (1 << 3) /* Composite clock from table */
+#define ALWAYS_ENABLED (1 << 4) /* Clock cannot be disabled */
+#define ENABLE_REG_32BIT (1 << 5) /* Use 32-bit access */
+#define VIRTUAL_IO_ADDRESS (1 << 6) /* Clock in virtual address */
+#define CLOCK_IDLE_CONTROL (1 << 7)
+#define CLOCK_NO_IDLE_PARENT (1 << 8)
+#define DELAYED_APP (1 << 9) /* Delay application of clock */
+#define CONFIG_PARTICIPANT (1 << 10) /* Fundamental clock */
+#define CM_MPU_SEL1 (1 << 11) /* Domain divider/source */
+#define CM_DSP_SEL1 (1 << 12)
+#define CM_GFX_SEL1 (1 << 13)
+#define CM_MODEM_SEL1 (1 << 14)
+#define CM_CORE_SEL1 (1 << 15) /* Sets divider for many */
+#define CM_CORE_SEL2 (1 << 16) /* sets parent for GPT */
+#define CM_WKUP_SEL1 (1 << 17)
+#define CM_PLL_SEL1 (1 << 18)
+#define CM_PLL_SEL2 (1 << 19)
+#define CM_SYSCLKOUT_SEL1 (1 << 20)
+#define CLOCK_IN_OMAP730 (1 << 21)
+#define CLOCK_IN_OMAP1510 (1 << 22)
+#define CLOCK_IN_OMAP16XX (1 << 23)
+#define CLOCK_IN_OMAP242X (1 << 24)
+#define CLOCK_IN_OMAP243X (1 << 25)
+
+#endif