451ce7f9cf
These are all boring changes, moving stuff around or renaming things mostly, and also getting rid of stuff that is duplicate or should not be there to start with. Platform-wise this is all over the place, mainly omap, samsung, at91, imx and tegra. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIVAwUAUA2dZmCrR//JCVInAQLMBA/9E53C1TOKQv3I9jPGMMeaN13jdAjIOM8w KNyfZE8qdB7vlmhltJi/yWH9cW1e27Q5qxocH98fpgDjNWYTx5qQ+ZWOBaXoYdkb tjkjI9/38bapHtBytznjr8SMx7+dhBCrTfcnBLhbkejMWeYcGS2cE3zUGil1UY0Y lHaKSh/A45XzhjSC/1fbtxwNG+pD5W4omzsJtHWwWcyucLVzqTzwwfBc/SNWWapA LFAaaxLc3UzI36TuRFjTHvZUwbU/rOSdF20T64qfMNd4svpnVWKtk6cOWdfCfPZe NNafRZg082Ig9J4Yx8AxV1ntQMF5LF8sgZIGxI1LI9ADbBjoSHSNWaeGB4seCGTk zvs71ITRzF0RkpUMnNbnk8ZQRcL0fkWLNs/nTjrlFGQR3Bjo6g29vXbTWmohnzAu SK4yoYvtc6nKvxiROBcb2TcgizEj4s/YCdfAmWbW1sOVcx200UeL2qxvh8kSYtk+ anySIj4FndbhbIZutsMu10nFZ/At5q3Dsp9M8Wqs/jRBUIdCm21jfJoHCbgMAQWa NQOBSwMsVL9Z8T9EEubBbhEqnwuHwY+z0VfiiyIoICtmdKjssOvEM6EsHq7IWuUU Sc/Ha1FEXQEDhc3u1RvrCZHZKBjEjZJqwF2ZDkTcDX9TGEsqMJERxgW/0h/I6g5i pixEzZ7/u40= =4zvd -----END PGP SIGNATURE----- Merge tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull general arm-soc cleanups from Arnd Bergmann: "These are all boring changes, moving stuff around or renaming things mostly, and also getting rid of stuff that is duplicate or should not be there to start with. Platform-wise this is all over the place, mainly omap, samsung, at91, imx and tegra." Resolve trivial conflict in arch/arm/mach-omap2/clockdomains3xxx_data.c * tag 'cleanup' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (67 commits) ARM: clps711x: Remove the setting of the time ARM: clps711x: Removed superfluous transform virt_to_bus and related functions ARM: clps711x/p720t: Replace __initcall by .init_early call ARM: S3C24XX: Remove unused GPIO definitions for Openmoko GTA02 board ARM: S3C24XX: Remove unused GPIO definitions for port J ARM: S3C24XX: Remove unused GPA, GPE, GPH bank GPIO aliases ARM: S3C24XX: Convert the touchscreen setup code to common GPIO API ARM: S3C24XX: Convert the PM code to gpiolib API ARM: S3C24XX: Convert QT2410 board file to the gpiolib API ARM: S3C24XX: Convert SMDK board file to the gpiolib API ARM: S3C24XX: Free the backlight gpio requested in Mini2440 board code ARM: imx: remove unused pdata from device macros ARM: imx: Kconfig: Remove IMX_HAVE_PLATFORM_IMX_SSI from MACH_MX25_3DS ARM: at91: fix new build errors ARM: at91: add AIC5 support ARM: at91: remove mach/irqs.h ARM: at91: sparse irq support ARM: at91: at91 based machines specify their own irq handler at run time ARM: at91: remove static irq priorities for sam9x5 ARM: at91: add of irq priorities support ...
215 lines
8.3 KiB
C
215 lines
8.3 KiB
C
/*
|
|
* arch/arm/plat-omap/include/mach/clockdomain.h
|
|
*
|
|
* OMAP2/3 clockdomain framework functions
|
|
*
|
|
* Copyright (C) 2008 Texas Instruments, Inc.
|
|
* Copyright (C) 2008-2011 Nokia Corporation
|
|
*
|
|
* Paul Walmsley
|
|
*
|
|
* 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_MACH_OMAP2_CLOCKDOMAIN_H
|
|
#define __ARCH_ARM_MACH_OMAP2_CLOCKDOMAIN_H
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/spinlock.h>
|
|
|
|
#include "powerdomain.h"
|
|
#include <plat/clock.h>
|
|
#include <plat/omap_hwmod.h>
|
|
#include <plat/cpu.h>
|
|
|
|
/*
|
|
* Clockdomain flags
|
|
*
|
|
* XXX Document CLKDM_CAN_* flags
|
|
*
|
|
* CLKDM_NO_AUTODEPS: Prevent "autodeps" from being added/removed from this
|
|
* clockdomain. (Currently, this applies to OMAP3 clockdomains only.)
|
|
* CLKDM_ACTIVE_WITH_MPU: The PRCM guarantees that this clockdomain is
|
|
* active whenever the MPU is active. True for interconnects and
|
|
* the WKUP clockdomains.
|
|
*/
|
|
#define CLKDM_CAN_FORCE_SLEEP (1 << 0)
|
|
#define CLKDM_CAN_FORCE_WAKEUP (1 << 1)
|
|
#define CLKDM_CAN_ENABLE_AUTO (1 << 2)
|
|
#define CLKDM_CAN_DISABLE_AUTO (1 << 3)
|
|
#define CLKDM_NO_AUTODEPS (1 << 4)
|
|
#define CLKDM_ACTIVE_WITH_MPU (1 << 5)
|
|
|
|
#define CLKDM_CAN_HWSUP (CLKDM_CAN_ENABLE_AUTO | CLKDM_CAN_DISABLE_AUTO)
|
|
#define CLKDM_CAN_SWSUP (CLKDM_CAN_FORCE_SLEEP | CLKDM_CAN_FORCE_WAKEUP)
|
|
#define CLKDM_CAN_HWSUP_SWSUP (CLKDM_CAN_SWSUP | CLKDM_CAN_HWSUP)
|
|
|
|
/**
|
|
* struct clkdm_autodep - clkdm deps to add when entering/exiting hwsup mode
|
|
* @clkdm: clockdomain to add wkdep+sleepdep on - set name member only
|
|
*
|
|
* A clockdomain that should have wkdeps and sleepdeps added when a
|
|
* clockdomain should stay active in hwsup mode; and conversely,
|
|
* removed when the clockdomain should be allowed to go inactive in
|
|
* hwsup mode.
|
|
*
|
|
* Autodeps are deprecated and should be removed after
|
|
* omap_hwmod-based fine-grained module idle control is added.
|
|
*/
|
|
struct clkdm_autodep {
|
|
union {
|
|
const char *name;
|
|
struct clockdomain *ptr;
|
|
} clkdm;
|
|
};
|
|
|
|
/**
|
|
* struct clkdm_dep - encode dependencies between clockdomains
|
|
* @clkdm_name: clockdomain name
|
|
* @clkdm: pointer to the struct clockdomain of @clkdm_name
|
|
* @wkdep_usecount: Number of wakeup dependencies causing this clkdm to wake
|
|
* @sleepdep_usecount: Number of sleep deps that could prevent clkdm from idle
|
|
*
|
|
* Statically defined. @clkdm is resolved from @clkdm_name at runtime and
|
|
* should not be pre-initialized.
|
|
*
|
|
* XXX Should also include hardware (fixed) dependencies.
|
|
*/
|
|
struct clkdm_dep {
|
|
const char *clkdm_name;
|
|
struct clockdomain *clkdm;
|
|
atomic_t wkdep_usecount;
|
|
atomic_t sleepdep_usecount;
|
|
};
|
|
|
|
/* Possible flags for struct clockdomain._flags */
|
|
#define _CLKDM_FLAG_HWSUP_ENABLED BIT(0)
|
|
|
|
/**
|
|
* struct clockdomain - OMAP clockdomain
|
|
* @name: clockdomain name
|
|
* @pwrdm: powerdomain containing this clockdomain
|
|
* @clktrctrl_reg: CLKSTCTRL reg for the given clock domain
|
|
* @clktrctrl_mask: CLKTRCTRL/AUTOSTATE field mask in CM_CLKSTCTRL reg
|
|
* @flags: Clockdomain capability flags
|
|
* @_flags: Flags for use only by internal clockdomain code
|
|
* @dep_bit: Bit shift of this clockdomain's PM_WKDEP/CM_SLEEPDEP bit
|
|
* @prcm_partition: (OMAP4 only) PRCM partition ID for this clkdm's registers
|
|
* @cm_inst: (OMAP4 only) CM instance register offset
|
|
* @clkdm_offs: (OMAP4 only) CM clockdomain register offset
|
|
* @wkdep_srcs: Clockdomains that can be told to wake this powerdomain up
|
|
* @sleepdep_srcs: Clockdomains that can be told to keep this clkdm from inact
|
|
* @usecount: Usecount tracking
|
|
* @node: list_head to link all clockdomains together
|
|
*
|
|
* @prcm_partition should be a macro from mach-omap2/prcm44xx.h (OMAP4 only)
|
|
* @cm_inst should be a macro ending in _INST from the OMAP4 CM instance
|
|
* definitions (OMAP4 only)
|
|
* @clkdm_offs should be a macro ending in _CDOFFS from the OMAP4 CM instance
|
|
* definitions (OMAP4 only)
|
|
*/
|
|
struct clockdomain {
|
|
const char *name;
|
|
union {
|
|
const char *name;
|
|
struct powerdomain *ptr;
|
|
} pwrdm;
|
|
const u16 clktrctrl_mask;
|
|
const u8 flags;
|
|
u8 _flags;
|
|
const u8 dep_bit;
|
|
const u8 prcm_partition;
|
|
const s16 cm_inst;
|
|
const u16 clkdm_offs;
|
|
struct clkdm_dep *wkdep_srcs;
|
|
struct clkdm_dep *sleepdep_srcs;
|
|
atomic_t usecount;
|
|
struct list_head node;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
/**
|
|
* struct clkdm_ops - Arch specific function implementations
|
|
* @clkdm_add_wkdep: Add a wakeup dependency between clk domains
|
|
* @clkdm_del_wkdep: Delete a wakeup dependency between clk domains
|
|
* @clkdm_read_wkdep: Read wakeup dependency state between clk domains
|
|
* @clkdm_clear_all_wkdeps: Remove all wakeup dependencies from the clk domain
|
|
* @clkdm_add_sleepdep: Add a sleep dependency between clk domains
|
|
* @clkdm_del_sleepdep: Delete a sleep dependency between clk domains
|
|
* @clkdm_read_sleepdep: Read sleep dependency state between clk domains
|
|
* @clkdm_clear_all_sleepdeps: Remove all sleep dependencies from the clk domain
|
|
* @clkdm_sleep: Force a clockdomain to sleep
|
|
* @clkdm_wakeup: Force a clockdomain to wakeup
|
|
* @clkdm_allow_idle: Enable hw supervised idle transitions for clock domain
|
|
* @clkdm_deny_idle: Disable hw supervised idle transitions for clock domain
|
|
* @clkdm_clk_enable: Put the clkdm in right state for a clock enable
|
|
* @clkdm_clk_disable: Put the clkdm in right state for a clock disable
|
|
*/
|
|
struct clkdm_ops {
|
|
int (*clkdm_add_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_del_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_read_wkdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_clear_all_wkdeps)(struct clockdomain *clkdm);
|
|
int (*clkdm_add_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_del_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_read_sleepdep)(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int (*clkdm_clear_all_sleepdeps)(struct clockdomain *clkdm);
|
|
int (*clkdm_sleep)(struct clockdomain *clkdm);
|
|
int (*clkdm_wakeup)(struct clockdomain *clkdm);
|
|
void (*clkdm_allow_idle)(struct clockdomain *clkdm);
|
|
void (*clkdm_deny_idle)(struct clockdomain *clkdm);
|
|
int (*clkdm_clk_enable)(struct clockdomain *clkdm);
|
|
int (*clkdm_clk_disable)(struct clockdomain *clkdm);
|
|
};
|
|
|
|
int clkdm_register_platform_funcs(struct clkdm_ops *co);
|
|
int clkdm_register_autodeps(struct clkdm_autodep *ia);
|
|
int clkdm_register_clkdms(struct clockdomain **c);
|
|
int clkdm_complete_init(void);
|
|
|
|
struct clockdomain *clkdm_lookup(const char *name);
|
|
|
|
int clkdm_for_each(int (*fn)(struct clockdomain *clkdm, void *user),
|
|
void *user);
|
|
struct powerdomain *clkdm_get_pwrdm(struct clockdomain *clkdm);
|
|
|
|
int clkdm_add_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_del_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_read_wkdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_clear_all_wkdeps(struct clockdomain *clkdm);
|
|
int clkdm_add_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_del_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_read_sleepdep(struct clockdomain *clkdm1, struct clockdomain *clkdm2);
|
|
int clkdm_clear_all_sleepdeps(struct clockdomain *clkdm);
|
|
|
|
void clkdm_allow_idle(struct clockdomain *clkdm);
|
|
void clkdm_deny_idle(struct clockdomain *clkdm);
|
|
bool clkdm_in_hwsup(struct clockdomain *clkdm);
|
|
|
|
int clkdm_wakeup(struct clockdomain *clkdm);
|
|
int clkdm_sleep(struct clockdomain *clkdm);
|
|
|
|
int clkdm_clk_enable(struct clockdomain *clkdm, struct clk *clk);
|
|
int clkdm_clk_disable(struct clockdomain *clkdm, struct clk *clk);
|
|
int clkdm_hwmod_enable(struct clockdomain *clkdm, struct omap_hwmod *oh);
|
|
int clkdm_hwmod_disable(struct clockdomain *clkdm, struct omap_hwmod *oh);
|
|
|
|
extern void __init omap242x_clockdomains_init(void);
|
|
extern void __init omap243x_clockdomains_init(void);
|
|
extern void __init omap3xxx_clockdomains_init(void);
|
|
extern void __init omap44xx_clockdomains_init(void);
|
|
extern void _clkdm_add_autodeps(struct clockdomain *clkdm);
|
|
extern void _clkdm_del_autodeps(struct clockdomain *clkdm);
|
|
|
|
extern struct clkdm_ops omap2_clkdm_operations;
|
|
extern struct clkdm_ops omap3_clkdm_operations;
|
|
extern struct clkdm_ops omap4_clkdm_operations;
|
|
|
|
extern struct clkdm_dep gfx_24xx_wkdeps[];
|
|
extern struct clkdm_dep dsp_24xx_wkdeps[];
|
|
extern struct clockdomain wkup_common_clkdm;
|
|
|
|
#endif
|