forked from luck/tmp_suning_uos_patched
90afd5cb2a
Mostly clean up CONFIG_OMAP_RESET_CLOCKS. Also includes a patch from Imre Deak to make McSPI clocks use id. Signed-off-by: Tony Lindgren <tony@atomide.com>
92 lines
3.1 KiB
C
92 lines
3.1 KiB
C
/*
|
|
* 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;
|
|
int id;
|
|
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);
|
|
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);
|
|
void (*clk_disable_unused)(struct clk *clk);
|
|
};
|
|
|
|
extern unsigned int mpurate;
|
|
|
|
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);
|
|
extern int clk_get_usecount(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_OMAP310 (1 << 21)
|
|
#define CLOCK_IN_OMAP730 (1 << 22)
|
|
#define CLOCK_IN_OMAP1510 (1 << 23)
|
|
#define CLOCK_IN_OMAP16XX (1 << 24)
|
|
#define CLOCK_IN_OMAP242X (1 << 25)
|
|
#define CLOCK_IN_OMAP243X (1 << 26)
|
|
|
|
#endif
|