Commit a135eaae authored by Paul Walmsley's avatar Paul Walmsley Committed by Tony Lindgren

ARM: OMAP: remove plat/clock.h

Remove arch/arm/plat-omap/include/plat/clock.h by merging it into
arch/arm/mach-omap1/clock.h and arch/arm/mach-omap2/clock.h.
The goal here is to facilitate ARM single image kernels by removing
includes via the "plat/" symlink.
Signed-off-by: default avatarPaul Walmsley <paul@pwsan.com>
[tony@atomide.com: fixed to remove duplicate clock.h includes]
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent 1fe9be82
...@@ -29,12 +29,12 @@ ...@@ -29,12 +29,12 @@
#include <asm/mach/map.h> #include <asm/mach/map.h>
#include <mach/mux.h> #include <mach/mux.h>
#include <plat/clock.h>
#include <mach/hardware.h> #include <mach/hardware.h>
#include <mach/usb.h> #include <mach/usb.h>
#include "common.h" #include "common.h"
#include "clock.h"
#include "mmc.h" #include "mmc.h"
#define ADS7846_PENDOWN_GPIO 15 #define ADS7846_PENDOWN_GPIO 15
......
...@@ -24,7 +24,6 @@ ...@@ -24,7 +24,6 @@
#include <plat/cpu.h> #include <plat/cpu.h>
#include <plat/usb.h> #include <plat/usb.h>
#include <plat/clock.h>
#include <plat/clkdev_omap.h> #include <plat/clkdev_omap.h>
#include <mach/hardware.h> #include <mach/hardware.h>
......
...@@ -14,8 +14,159 @@ ...@@ -14,8 +14,159 @@
#define __ARCH_ARM_MACH_OMAP1_CLOCK_H #define __ARCH_ARM_MACH_OMAP1_CLOCK_H
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/list.h>
#include <plat/clock.h> struct module;
struct clk;
/* Temporary, needed during the common clock framework conversion */
#define __clk_get_name(clk) (clk->name)
#define __clk_get_parent(clk) (clk->parent)
#define __clk_get_rate(clk) (clk->rate)
/**
* struct clkops - some clock function pointers
* @enable: fn ptr that enables the current clock in hardware
* @disable: fn ptr that enables the current clock in hardware
* @find_idlest: function returning the IDLEST register for the clock's IP blk
* @find_companion: function returning the "companion" clk reg for the clock
* @allow_idle: fn ptr that enables autoidle for the current clock in hardware
* @deny_idle: fn ptr that disables autoidle for the current clock in hardware
*
* A "companion" clk is an accompanying clock to the one being queried
* that must be enabled for the IP module connected to the clock to
* become accessible by the hardware. Neither @find_idlest nor
* @find_companion should be needed; that information is IP
* block-specific; the hwmod code has been created to handle this, but
* until hwmod data is ready and drivers have been converted to use PM
* runtime calls in place of clk_enable()/clk_disable(), @find_idlest and
* @find_companion must, unfortunately, remain.
*/
struct clkops {
int (*enable)(struct clk *);
void (*disable)(struct clk *);
void (*find_idlest)(struct clk *, void __iomem **,
u8 *, u8 *);
void (*find_companion)(struct clk *, void __iomem **,
u8 *);
void (*allow_idle)(struct clk *);
void (*deny_idle)(struct clk *);
};
/*
* struct clk.flags possibilities
*
* XXX document the rest of the clock flags here
*
* CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
* bits share the same register. This flag allows the
* omap4_dpllmx*() code to determine which GATE_CTRL bit field
* should be used. This is a temporary solution - a better approach
* would be to associate clock type-specific data with the clock,
* similar to the struct dpll_data approach.
*/
#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
#define CLOCK_IDLE_CONTROL (1 << 1)
#define CLOCK_NO_IDLE_PARENT (1 << 2)
#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
#define CLOCK_CLKOUTX2 (1 << 5)
/**
* struct clk - OMAP struct clk
* @node: list_head connecting this clock into the full clock list
* @ops: struct clkops * for this clock
* @name: the name of the clock in the hardware (used in hwmod data and debug)
* @parent: pointer to this clock's parent struct clk
* @children: list_head connecting to the child clks' @sibling list_heads
* @sibling: list_head connecting this clk to its parent clk's @children
* @rate: current clock rate
* @enable_reg: register to write to enable the clock (see @enable_bit)
* @recalc: fn ptr that returns the clock's current rate
* @set_rate: fn ptr that can change the clock's current rate
* @round_rate: fn ptr that can round the clock's current rate
* @init: fn ptr to do clock-specific initialization
* @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg)
* @usecount: number of users that have requested this clock to be enabled
* @fixed_div: when > 0, this clock's rate is its parent's rate / @fixed_div
* @flags: see "struct clk.flags possibilities" above
* @rate_offset: bitshift for rate selection bitfield (OMAP1 only)
* @src_offset: bitshift for source selection bitfield (OMAP1 only)
*
* XXX @rate_offset, @src_offset should probably be removed and OMAP1
* clock code converted to use clksel.
*
* XXX @usecount is poorly named. It should be "enable_count" or
* something similar. "users" in the description refers to kernel
* code (core code or drivers) that have called clk_enable() and not
* yet called clk_disable(); the usecount of parent clocks is also
* incremented by the clock code when clk_enable() is called on child
* clocks and decremented by the clock code when clk_disable() is
* called on child clocks.
*
* XXX @clkdm, @usecount, @children, @sibling should be marked for
* internal use only.
*
* @children and @sibling are used to optimize parent-to-child clock
* tree traversals. (child-to-parent traversals use @parent.)
*
* XXX The notion of the clock's current rate probably needs to be
* separated from the clock's target rate.
*/
struct clk {
struct list_head node;
const struct clkops *ops;
const char *name;
struct clk *parent;
struct list_head children;
struct list_head sibling; /* node for children */
unsigned long rate;
void __iomem *enable_reg;
unsigned long (*recalc)(struct clk *);
int (*set_rate)(struct clk *, unsigned long);
long (*round_rate)(struct clk *, unsigned long);
void (*init)(struct clk *);
u8 enable_bit;
s8 usecount;
u8 fixed_div;
u8 flags;
u8 rate_offset;
u8 src_offset;
#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
struct dentry *dent; /* For visible tree hierarchy */
#endif
};
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);
void (*clk_allow_idle)(struct clk *clk);
void (*clk_deny_idle)(struct clk *clk);
void (*clk_disable_unused)(struct clk *clk);
};
extern int mpurate;
extern int clk_init(struct clk_functions *custom_clocks);
extern void clk_preinit(struct clk *clk);
extern int clk_register(struct clk *clk);
extern void clk_reparent(struct clk *child, struct clk *parent);
extern void clk_unregister(struct clk *clk);
extern void propagate_rate(struct clk *clk);
extern void recalculate_root_clocks(void);
extern unsigned long followparent_recalc(struct clk *clk);
extern void clk_enable_init_clocks(void);
unsigned long omap_fixed_divisor_recalc(struct clk *clk);
extern struct clk *omap_clk_get_by_name(const char *name);
extern int omap_clk_enable_autoidle_all(void);
extern int omap_clk_disable_autoidle_all(void);
extern const struct clkops clkops_null;
extern struct clk dummy_ck;
int omap1_clk_init(void); int omap1_clk_init(void);
void omap1_clk_late_init(void); void omap1_clk_late_init(void);
......
...@@ -22,7 +22,6 @@ ...@@ -22,7 +22,6 @@
#include <asm/mach-types.h> /* for machine_is_* */ #include <asm/mach-types.h> /* for machine_is_* */
#include <plat/clock.h>
#include <plat/cpu.h> #include <plat/cpu.h>
#include <plat/clkdev_omap.h> #include <plat/clkdev_omap.h>
......
...@@ -49,8 +49,6 @@ ...@@ -49,8 +49,6 @@
#include <asm/mach/time.h> #include <asm/mach/time.h>
#include <asm/mach/irq.h> #include <asm/mach/irq.h>
#include <plat/cpu.h>
#include <plat/clock.h>
#include <mach/tc.h> #include <mach/tc.h>
#include <mach/mux.h> #include <mach/mux.h>
#include <plat-omap/dma-omap.h> #include <plat-omap/dma-omap.h>
...@@ -61,6 +59,7 @@ ...@@ -61,6 +59,7 @@
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "iomap.h" #include "iomap.h"
#include "clock.h"
#include "pm.h" #include "pm.h"
static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE]; static unsigned int arm_sleep_save[ARM_SLEEP_SAVE_SIZE];
......
...@@ -21,7 +21,6 @@ ...@@ -21,7 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include <plat/prcm.h> #include <plat/prcm.h>
#include "clock.h" #include "clock.h"
......
...@@ -14,8 +14,6 @@ ...@@ -14,8 +14,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "cm2xxx_3xxx.h" #include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h" #include "cm-regbits-24xx.h"
......
...@@ -25,8 +25,6 @@ ...@@ -25,8 +25,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "clock.h" #include "clock.h"
......
...@@ -23,8 +23,6 @@ ...@@ -23,8 +23,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "clock2xxx.h" #include "clock2xxx.h"
#include "prm2xxx_3xxx.h" #include "prm2xxx_3xxx.h"
......
...@@ -22,8 +22,6 @@ ...@@ -22,8 +22,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "clock2xxx.h" #include "clock2xxx.h"
#include "prm2xxx_3xxx.h" #include "prm2xxx_3xxx.h"
......
...@@ -33,8 +33,6 @@ ...@@ -33,8 +33,6 @@
#include <linux/cpufreq.h> #include <linux/cpufreq.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <plat/clock.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "soc.h" #include "soc.h"
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "clock.h" #include "clock.h"
......
...@@ -45,8 +45,6 @@ ...@@ -45,8 +45,6 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/bug.h> #include <linux/bug.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
/* Private functions */ /* Private functions */
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <asm/div64.h> #include <asm/div64.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "clock.h" #include "clock.h"
#include "cm-regbits-24xx.h" #include "cm-regbits-24xx.h"
......
...@@ -14,7 +14,6 @@ ...@@ -14,7 +14,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include <plat/prcm.h> #include <plat/prcm.h>
#include "clock.h" #include "clock.h"
......
...@@ -26,7 +26,6 @@ ...@@ -26,7 +26,6 @@
#include <asm/cpu.h> #include <asm/cpu.h>
#include <plat/clock.h>
#include <plat/prcm.h> #include <plat/prcm.h>
#include <trace/events/power.h> #include <trace/events/power.h>
......
...@@ -17,8 +17,290 @@ ...@@ -17,8 +17,290 @@
#define __ARCH_ARM_MACH_OMAP2_CLOCK_H #define __ARCH_ARM_MACH_OMAP2_CLOCK_H
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/list.h>
struct module;
struct clk;
struct clockdomain;
/* Temporary, needed during the common clock framework conversion */
#define __clk_get_name(clk) (clk->name)
#define __clk_get_parent(clk) (clk->parent)
#define __clk_get_rate(clk) (clk->rate)
/**
* struct clkops - some clock function pointers
* @enable: fn ptr that enables the current clock in hardware
* @disable: fn ptr that enables the current clock in hardware
* @find_idlest: function returning the IDLEST register for the clock's IP blk
* @find_companion: function returning the "companion" clk reg for the clock
* @allow_idle: fn ptr that enables autoidle for the current clock in hardware
* @deny_idle: fn ptr that disables autoidle for the current clock in hardware
*
* A "companion" clk is an accompanying clock to the one being queried
* that must be enabled for the IP module connected to the clock to
* become accessible by the hardware. Neither @find_idlest nor
* @find_companion should be needed; that information is IP
* block-specific; the hwmod code has been created to handle this, but
* until hwmod data is ready and drivers have been converted to use PM
* runtime calls in place of clk_enable()/clk_disable(), @find_idlest and
* @find_companion must, unfortunately, remain.
*/
struct clkops {
int (*enable)(struct clk *);
void (*disable)(struct clk *);
void (*find_idlest)(struct clk *, void __iomem **,
u8 *, u8 *);
void (*find_companion)(struct clk *, void __iomem **,
u8 *);
void (*allow_idle)(struct clk *);
void (*deny_idle)(struct clk *);
};
/* struct clksel_rate.flags possibilities */
#define RATE_IN_242X (1 << 0)
#define RATE_IN_243X (1 << 1)
#define RATE_IN_3430ES1 (1 << 2) /* 3430ES1 rates only */
#define RATE_IN_3430ES2PLUS (1 << 3) /* 3430 ES >= 2 rates only */
#define RATE_IN_36XX (1 << 4)
#define RATE_IN_4430 (1 << 5)
#define RATE_IN_TI816X (1 << 6)
#define RATE_IN_4460 (1 << 7)
#define RATE_IN_AM33XX (1 << 8)
#define RATE_IN_TI814X (1 << 9)
#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
#define RATE_IN_34XX (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
#define RATE_IN_3XXX (RATE_IN_34XX | RATE_IN_36XX)
#define RATE_IN_44XX (RATE_IN_4430 | RATE_IN_4460)
/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
#define RATE_IN_3430ES2PLUS_36XX (RATE_IN_3430ES2PLUS | RATE_IN_36XX)
/**
* struct clksel_rate - register bitfield values corresponding to clk divisors
* @val: register bitfield value (shifted to bit 0)
* @div: clock divisor corresponding to @val
* @flags: (see "struct clksel_rate.flags possibilities" above)
*
* @val should match the value of a read from struct clk.clksel_reg
* AND'ed with struct clk.clksel_mask, shifted right to bit 0.
*
* @div is the divisor that should be applied to the parent clock's rate
* to produce the current clock's rate.
*/
struct clksel_rate {
u32 val;
u8 div;
u16 flags;
};
/**
* struct clksel - available parent clocks, and a pointer to their divisors
* @parent: struct clk * to a possible parent clock
* @rates: available divisors for this parent clock
*
* A struct clksel is always associated with one or more struct clks
* and one or more struct clksel_rates.
*/
struct clksel {
struct clk *parent;
const struct clksel_rate *rates;
};
/**
* struct dpll_data - DPLL registers and integration data
* @mult_div1_reg: register containing the DPLL M and N bitfields
* @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg
* @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg
* @clk_bypass: struct clk pointer to the clock's bypass clock input
* @clk_ref: struct clk pointer to the clock's reference clock input
* @control_reg: register containing the DPLL mode bitfield
* @enable_mask: mask of the DPLL mode bitfield in @control_reg
* @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
* @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
* @max_multiplier: maximum valid non-bypass multiplier value (actual)
* @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
* @min_divider: minimum valid non-bypass divider value (actual)
* @max_divider: maximum valid non-bypass divider value (actual)
* @modes: possible values of @enable_mask
* @autoidle_reg: register containing the DPLL autoidle mode bitfield
* @idlest_reg: register containing the DPLL idle status bitfield
* @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg
* @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg
* @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg
* @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg
* @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs
* @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs
* @flags: DPLL type/features (see below)
*
* Possible values for @flags:
* DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs)
*
* @freqsel_mask is only used on the OMAP34xx family and AM35xx.
*
* XXX Some DPLLs have multiple bypass inputs, so it's not technically
* correct to only have one @clk_bypass pointer.
*
* XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
* @last_rounded_n) should be separated from the runtime-fixed fields
* and placed into a different structure, so that the runtime-fixed data
* can be placed into read-only space.
*/
struct dpll_data {
void __iomem *mult_div1_reg;
u32 mult_mask;
u32 div1_mask;
struct clk *clk_bypass;
struct clk *clk_ref;
void __iomem *control_reg;
u32 enable_mask;
unsigned long last_rounded_rate;
u16 last_rounded_m;
u16 max_multiplier;
u8 last_rounded_n;
u8 min_divider;
u16 max_divider;
u8 modes;
void __iomem *autoidle_reg;
void __iomem *idlest_reg;
u32 autoidle_mask;
u32 freqsel_mask;
u32 idlest_mask;
u32 dco_mask;
u32 sddiv_mask;
u8 auto_recal_bit;
u8 recal_en_bit;
u8 recal_st_bit;
u8 flags;
};
/*
* struct clk.flags possibilities
*
* XXX document the rest of the clock flags here
*
* CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
* bits share the same register. This flag allows the
* omap4_dpllmx*() code to determine which GATE_CTRL bit field
* should be used. This is a temporary solution - a better approach
* would be to associate clock type-specific data with the clock,
* similar to the struct dpll_data approach.
*/
#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
#define CLOCK_IDLE_CONTROL (1 << 1)
#define CLOCK_NO_IDLE_PARENT (1 << 2)
#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
#define CLOCK_CLKOUTX2 (1 << 5)
/**
* struct clk - OMAP struct clk
* @node: list_head connecting this clock into the full clock list
* @ops: struct clkops * for this clock
* @name: the name of the clock in the hardware (used in hwmod data and debug)
* @parent: pointer to this clock's parent struct clk
* @children: list_head connecting to the child clks' @sibling list_heads
* @sibling: list_head connecting this clk to its parent clk's @children
* @rate: current clock rate
* @enable_reg: register to write to enable the clock (see @enable_bit)
* @recalc: fn ptr that returns the clock's current rate
* @set_rate: fn ptr that can change the clock's current rate
* @round_rate: fn ptr that can round the clock's current rate
* @init: fn ptr to do clock-specific initialization
* @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg)
* @usecount: number of users that have requested this clock to be enabled
* @fixed_div: when > 0, this clock's rate is its parent's rate / @fixed_div
* @flags: see "struct clk.flags possibilities" above
* @clksel_reg: for clksel clks, register va containing src/divisor select
* @clksel_mask: bitmask in @clksel_reg for the src/divisor selector
* @clksel: for clksel clks, pointer to struct clksel for this clock
* @dpll_data: for DPLLs, pointer to struct dpll_data for this clock
* @clkdm_name: clockdomain name that this clock is contained in
* @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime
* @rate_offset: bitshift for rate selection bitfield (OMAP1 only)
* @src_offset: bitshift for source selection bitfield (OMAP1 only)
*
* XXX @rate_offset, @src_offset should probably be removed and OMAP1
* clock code converted to use clksel.
*
* XXX @usecount is poorly named. It should be "enable_count" or
* something similar. "users" in the description refers to kernel
* code (core code or drivers) that have called clk_enable() and not
* yet called clk_disable(); the usecount of parent clocks is also
* incremented by the clock code when clk_enable() is called on child
* clocks and decremented by the clock code when clk_disable() is
* called on child clocks.
*
* XXX @clkdm, @usecount, @children, @sibling should be marked for
* internal use only.
*
* @children and @sibling are used to optimize parent-to-child clock
* tree traversals. (child-to-parent traversals use @parent.)
*
* XXX The notion of the clock's current rate probably needs to be
* separated from the clock's target rate.
*/
struct clk {
struct list_head node;
const struct clkops *ops;
const char *name;
struct clk *parent;
struct list_head children;
struct list_head sibling; /* node for children */
unsigned long rate;
void __iomem *enable_reg;
unsigned long (*recalc)(struct clk *);
int (*set_rate)(struct clk *, unsigned long);
long (*round_rate)(struct clk *, unsigned long);
void (*init)(struct clk *);
u8 enable_bit;
s8 usecount;
u8 fixed_div;
u8 flags;
void __iomem *clksel_reg;
u32 clksel_mask;
const struct clksel *clksel;
struct dpll_data *dpll_data;
const char *clkdm_name;
struct clockdomain *clkdm;
#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
struct dentry *dent; /* For visible tree hierarchy */
#endif
};
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);
void (*clk_allow_idle)(struct clk *clk);
void (*clk_deny_idle)(struct clk *clk);
void (*clk_disable_unused)(struct clk *clk);
};
extern int mpurate;
extern int clk_init(struct clk_functions *custom_clocks);
extern void clk_preinit(struct clk *clk);
extern int clk_register(struct clk *clk);
extern void clk_reparent(struct clk *child, struct clk *parent);
extern void clk_unregister(struct clk *clk);
extern void propagate_rate(struct clk *clk);
extern void recalculate_root_clocks(void);
extern unsigned long followparent_recalc(struct clk *clk);
extern void clk_enable_init_clocks(void);
unsigned long omap_fixed_divisor_recalc(struct clk *clk);
extern struct clk *omap_clk_get_by_name(const char *name);
extern int omap_clk_enable_autoidle_all(void);
extern int omap_clk_disable_autoidle_all(void);
extern const struct clkops clkops_null;
extern struct clk dummy_ck;
#include <plat/clock.h>
/* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */ /* CM_CLKSEL2_PLL.CORE_CLK_SRC bits (2XXX) */
#define CORE_CLK_SRC_32K 0x0 #define CORE_CLK_SRC_32K 0x0
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "iomap.h" #include "iomap.h"
#include "clock.h" #include "clock.h"
......
...@@ -22,8 +22,6 @@ ...@@ -22,8 +22,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "clock.h" #include "clock.h"
#include "clock2xxx.h" #include "clock2xxx.h"
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "clock34xx.h" #include "clock34xx.h"
#include "cm2xxx_3xxx.h" #include "cm2xxx_3xxx.h"
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "clock3517.h" #include "clock3517.h"
#include "cm2xxx_3xxx.h" #include "cm2xxx_3xxx.h"
......
...@@ -22,8 +22,6 @@ ...@@ -22,8 +22,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "clock.h" #include "clock.h"
#include "clock36xx.h" #include "clock36xx.h"
......
...@@ -21,8 +21,6 @@ ...@@ -21,8 +21,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "clock.h" #include "clock.h"
#include "clock3xxx.h" #include "clock3xxx.h"
......
...@@ -27,7 +27,7 @@ ...@@ -27,7 +27,7 @@
#include <linux/bitops.h> #include <linux/bitops.h>
#include <plat/clock.h> #include "clock.h"
#include "clockdomain.h" #include "clockdomain.h"
/* clkdm_list contains all registered struct clockdomains */ /* clkdm_list contains all registered struct clockdomains */
......
...@@ -18,7 +18,7 @@ ...@@ -18,7 +18,7 @@
#include <linux/spinlock.h> #include <linux/spinlock.h>
#include "powerdomain.h" #include "powerdomain.h"
#include <plat/clock.h> #include "clock.h"
#include "omap_hwmod.h" #include "omap_hwmod.h"
#include <plat/cpu.h> #include <plat/cpu.h>
......
...@@ -18,12 +18,12 @@ ...@@ -18,12 +18,12 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/platform_data/dsp-omap.h> #include <linux/platform_data/dsp-omap.h>
#include <plat/clock.h>
#include <plat/vram.h> #include <plat/vram.h>
#include "soc.h" #include "soc.h"
#include "iomap.h" #include "iomap.h"
#include "common.h" #include "common.h"
#include "clock.h"
#include "sdrc.h" #include "sdrc.h"
#include "control.h" #include "control.h"
#include "omap-secure.h" #include "omap-secure.h"
......
...@@ -28,8 +28,6 @@ ...@@ -28,8 +28,6 @@
#include <linux/bitops.h> #include <linux/bitops.h>
#include <linux/clkdev.h> #include <linux/clkdev.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "clock.h" #include "clock.h"
#include "cm2xxx_3xxx.h" #include "cm2xxx_3xxx.h"
......
...@@ -15,8 +15,6 @@ ...@@ -15,8 +15,6 @@
#include <linux/io.h> #include <linux/io.h>
#include <linux/bitops.h> #include <linux/bitops.h>
#include <plat/clock.h>
#include "soc.h" #include "soc.h"
#include "clock.h" #include "clock.h"
#include "clock44xx.h" #include "clock44xx.h"
......
...@@ -91,7 +91,6 @@ ...@@ -91,7 +91,6 @@
#include "omap_device.h" #include "omap_device.h"
#include "omap_hwmod.h" #include "omap_hwmod.h"
#include <plat/clock.h>
/* These parameters are passed to _omap_device_{de,}activate() */ /* These parameters are passed to _omap_device_{de,}activate() */
#define USE_WAKEUP_LAT 0 #define USE_WAKEUP_LAT 0
......
...@@ -139,7 +139,7 @@ ...@@ -139,7 +139,7 @@
#include <linux/slab.h> #include <linux/slab.h>
#include <linux/bootmem.h> #include <linux/bootmem.h>
#include <plat/clock.h> #include "clock.h"
#include "omap_hwmod.h" #include "omap_hwmod.h"
#include <plat/prcm.h> #include <plat/prcm.h>
......
...@@ -27,7 +27,7 @@ ...@@ -27,7 +27,7 @@
#include <linux/module.h> #include <linux/module.h>
#include <linux/slab.h> #include <linux/slab.h>
#include <plat/clock.h> #include "clock.h"
#include "powerdomain.h" #include "powerdomain.h"
#include "clockdomain.h" #include "clockdomain.h"
#include <plat/dmtimer.h> #include <plat/dmtimer.h>
......
...@@ -36,12 +36,12 @@ ...@@ -36,12 +36,12 @@
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/system_misc.h> #include <asm/system_misc.h>
#include <plat/clock.h>
#include <plat-omap/dma-omap.h> #include <plat-omap/dma-omap.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "common.h" #include "common.h"
#include "clock.h"
#include "prm2xxx_3xxx.h" #include "prm2xxx_3xxx.h"
#include "prm-regbits-24xx.h" #include "prm-regbits-24xx.h"
#include "cm2xxx_3xxx.h" #include "cm2xxx_3xxx.h"
......
...@@ -18,8 +18,6 @@ ...@@ -18,8 +18,6 @@
#include <linux/io.h> #include <linux/io.h>
#include "common.h" #include "common.h"
#include <plat/clock.h>
#include "sdram-nokia.h" #include "sdram-nokia.h"
#include "sdrc.h" #include "sdrc.h"
......
...@@ -23,10 +23,10 @@ ...@@ -23,10 +23,10 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include "common.h"
#include <plat/clock.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "common.h"
#include "clock.h"
#include "sdrc.h" #include "sdrc.h"
static struct omap_sdrc_params *sdrc_init_params_cs0, *sdrc_init_params_cs1; static struct omap_sdrc_params *sdrc_init_params_cs0, *sdrc_init_params_cs1;
......
...@@ -24,8 +24,6 @@ ...@@ -24,8 +24,6 @@
#include <linux/clk.h> #include <linux/clk.h>
#include <linux/io.h> #include <linux/io.h>
#include <plat/clock.h>
#include "../plat-omap/sram.h" #include "../plat-omap/sram.h"
#include "soc.h" #include "soc.h"
......
...@@ -23,7 +23,6 @@ ...@@ -23,7 +23,6 @@
#include <asm/sched_clock.h> #include <asm/sched_clock.h>
#include "common.h" #include "common.h"
#include <plat/clock.h>
/* OMAP2_32KSYNCNT_CR_OFF: offset of 32ksync counter register */ /* OMAP2_32KSYNCNT_CR_OFF: offset of 32ksync counter register */
#define OMAP2_32KSYNCNT_REV_OFF 0x0 #define OMAP2_32KSYNCNT_REV_OFF 0x0
......
/*
* OMAP clock: data structure definitions, function prototypes, shared macros
*
* Copyright (C) 2004-2005, 2008-2010 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
#include <linux/list.h>
struct module;
struct clk;
struct clockdomain;
/* Temporary, needed during the common clock framework conversion */
#define __clk_get_name(clk) (clk->name)
#define __clk_get_parent(clk) (clk->parent)
#define __clk_get_rate(clk) (clk->rate)
/**
* struct clkops - some clock function pointers
* @enable: fn ptr that enables the current clock in hardware
* @disable: fn ptr that enables the current clock in hardware
* @find_idlest: function returning the IDLEST register for the clock's IP blk
* @find_companion: function returning the "companion" clk reg for the clock
* @allow_idle: fn ptr that enables autoidle for the current clock in hardware
* @deny_idle: fn ptr that disables autoidle for the current clock in hardware
*
* A "companion" clk is an accompanying clock to the one being queried
* that must be enabled for the IP module connected to the clock to
* become accessible by the hardware. Neither @find_idlest nor
* @find_companion should be needed; that information is IP
* block-specific; the hwmod code has been created to handle this, but
* until hwmod data is ready and drivers have been converted to use PM
* runtime calls in place of clk_enable()/clk_disable(), @find_idlest and
* @find_companion must, unfortunately, remain.
*/
struct clkops {
int (*enable)(struct clk *);
void (*disable)(struct clk *);
void (*find_idlest)(struct clk *, void __iomem **,
u8 *, u8 *);
void (*find_companion)(struct clk *, void __iomem **,
u8 *);
void (*allow_idle)(struct clk *);
void (*deny_idle)(struct clk *);
};
#ifdef CONFIG_ARCH_OMAP2PLUS
/* struct clksel_rate.flags possibilities */
#define RATE_IN_242X (1 << 0)
#define RATE_IN_243X (1 << 1)
#define RATE_IN_3430ES1 (1 << 2) /* 3430ES1 rates only */
#define RATE_IN_3430ES2PLUS (1 << 3) /* 3430 ES >= 2 rates only */
#define RATE_IN_36XX (1 << 4)
#define RATE_IN_4430 (1 << 5)
#define RATE_IN_TI816X (1 << 6)
#define RATE_IN_4460 (1 << 7)
#define RATE_IN_AM33XX (1 << 8)
#define RATE_IN_TI814X (1 << 9)
#define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
#define RATE_IN_34XX (RATE_IN_3430ES1 | RATE_IN_3430ES2PLUS)
#define RATE_IN_3XXX (RATE_IN_34XX | RATE_IN_36XX)
#define RATE_IN_44XX (RATE_IN_4430 | RATE_IN_4460)
/* RATE_IN_3430ES2PLUS_36XX includes 34xx/35xx with ES >=2, and all 36xx/37xx */
#define RATE_IN_3430ES2PLUS_36XX (RATE_IN_3430ES2PLUS | RATE_IN_36XX)
/**
* struct clksel_rate - register bitfield values corresponding to clk divisors
* @val: register bitfield value (shifted to bit 0)
* @div: clock divisor corresponding to @val
* @flags: (see "struct clksel_rate.flags possibilities" above)
*
* @val should match the value of a read from struct clk.clksel_reg
* AND'ed with struct clk.clksel_mask, shifted right to bit 0.
*
* @div is the divisor that should be applied to the parent clock's rate
* to produce the current clock's rate.
*/
struct clksel_rate {
u32 val;
u8 div;
u16 flags;
};
/**
* struct clksel - available parent clocks, and a pointer to their divisors
* @parent: struct clk * to a possible parent clock
* @rates: available divisors for this parent clock
*
* A struct clksel is always associated with one or more struct clks
* and one or more struct clksel_rates.
*/
struct clksel {
struct clk *parent;
const struct clksel_rate *rates;
};
/**
* struct dpll_data - DPLL registers and integration data
* @mult_div1_reg: register containing the DPLL M and N bitfields
* @mult_mask: mask of the DPLL M bitfield in @mult_div1_reg
* @div1_mask: mask of the DPLL N bitfield in @mult_div1_reg
* @clk_bypass: struct clk pointer to the clock's bypass clock input
* @clk_ref: struct clk pointer to the clock's reference clock input
* @control_reg: register containing the DPLL mode bitfield
* @enable_mask: mask of the DPLL mode bitfield in @control_reg
* @last_rounded_rate: cache of the last rate result of omap2_dpll_round_rate()
* @last_rounded_m: cache of the last M result of omap2_dpll_round_rate()
* @max_multiplier: maximum valid non-bypass multiplier value (actual)
* @last_rounded_n: cache of the last N result of omap2_dpll_round_rate()
* @min_divider: minimum valid non-bypass divider value (actual)
* @max_divider: maximum valid non-bypass divider value (actual)
* @modes: possible values of @enable_mask
* @autoidle_reg: register containing the DPLL autoidle mode bitfield
* @idlest_reg: register containing the DPLL idle status bitfield
* @autoidle_mask: mask of the DPLL autoidle mode bitfield in @autoidle_reg
* @freqsel_mask: mask of the DPLL jitter correction bitfield in @control_reg
* @idlest_mask: mask of the DPLL idle status bitfield in @idlest_reg
* @auto_recal_bit: bitshift of the driftguard enable bit in @control_reg
* @recal_en_bit: bitshift of the PRM_IRQENABLE_* bit for recalibration IRQs
* @recal_st_bit: bitshift of the PRM_IRQSTATUS_* bit for recalibration IRQs
* @flags: DPLL type/features (see below)
*
* Possible values for @flags:
* DPLL_J_TYPE: "J-type DPLL" (only some 36xx, 4xxx DPLLs)
*
* @freqsel_mask is only used on the OMAP34xx family and AM35xx.
*
* XXX Some DPLLs have multiple bypass inputs, so it's not technically
* correct to only have one @clk_bypass pointer.
*
* XXX The runtime-variable fields (@last_rounded_rate, @last_rounded_m,
* @last_rounded_n) should be separated from the runtime-fixed fields
* and placed into a different structure, so that the runtime-fixed data
* can be placed into read-only space.
*/
struct dpll_data {
void __iomem *mult_div1_reg;
u32 mult_mask;
u32 div1_mask;
struct clk *clk_bypass;
struct clk *clk_ref;
void __iomem *control_reg;
u32 enable_mask;
unsigned long last_rounded_rate;
u16 last_rounded_m;
u16 max_multiplier;
u8 last_rounded_n;
u8 min_divider;
u16 max_divider;
u8 modes;
void __iomem *autoidle_reg;
void __iomem *idlest_reg;
u32 autoidle_mask;
u32 freqsel_mask;
u32 idlest_mask;
u32 dco_mask;
u32 sddiv_mask;
u8 auto_recal_bit;
u8 recal_en_bit;
u8 recal_st_bit;
u8 flags;
};
#endif
/*
* struct clk.flags possibilities
*
* XXX document the rest of the clock flags here
*
* CLOCK_CLKOUTX2: (OMAP4 only) DPLL CLKOUT and CLKOUTX2 GATE_CTRL
* bits share the same register. This flag allows the
* omap4_dpllmx*() code to determine which GATE_CTRL bit field
* should be used. This is a temporary solution - a better approach
* would be to associate clock type-specific data with the clock,
* similar to the struct dpll_data approach.
*/
#define ENABLE_REG_32BIT (1 << 0) /* Use 32-bit access */
#define CLOCK_IDLE_CONTROL (1 << 1)
#define CLOCK_NO_IDLE_PARENT (1 << 2)
#define ENABLE_ON_INIT (1 << 3) /* Enable upon framework init */
#define INVERT_ENABLE (1 << 4) /* 0 enables, 1 disables */
#define CLOCK_CLKOUTX2 (1 << 5)
/**
* struct clk - OMAP struct clk
* @node: list_head connecting this clock into the full clock list
* @ops: struct clkops * for this clock
* @name: the name of the clock in the hardware (used in hwmod data and debug)
* @parent: pointer to this clock's parent struct clk
* @children: list_head connecting to the child clks' @sibling list_heads
* @sibling: list_head connecting this clk to its parent clk's @children
* @rate: current clock rate
* @enable_reg: register to write to enable the clock (see @enable_bit)
* @recalc: fn ptr that returns the clock's current rate
* @set_rate: fn ptr that can change the clock's current rate
* @round_rate: fn ptr that can round the clock's current rate
* @init: fn ptr to do clock-specific initialization
* @enable_bit: bitshift to write to enable/disable the clock (see @enable_reg)
* @usecount: number of users that have requested this clock to be enabled
* @fixed_div: when > 0, this clock's rate is its parent's rate / @fixed_div
* @flags: see "struct clk.flags possibilities" above
* @clksel_reg: for clksel clks, register va containing src/divisor select
* @clksel_mask: bitmask in @clksel_reg for the src/divisor selector
* @clksel: for clksel clks, pointer to struct clksel for this clock
* @dpll_data: for DPLLs, pointer to struct dpll_data for this clock
* @clkdm_name: clockdomain name that this clock is contained in
* @clkdm: pointer to struct clockdomain, resolved from @clkdm_name at runtime
* @rate_offset: bitshift for rate selection bitfield (OMAP1 only)
* @src_offset: bitshift for source selection bitfield (OMAP1 only)
*
* XXX @rate_offset, @src_offset should probably be removed and OMAP1
* clock code converted to use clksel.
*
* XXX @usecount is poorly named. It should be "enable_count" or
* something similar. "users" in the description refers to kernel
* code (core code or drivers) that have called clk_enable() and not
* yet called clk_disable(); the usecount of parent clocks is also
* incremented by the clock code when clk_enable() is called on child
* clocks and decremented by the clock code when clk_disable() is
* called on child clocks.
*
* XXX @clkdm, @usecount, @children, @sibling should be marked for
* internal use only.
*
* @children and @sibling are used to optimize parent-to-child clock
* tree traversals. (child-to-parent traversals use @parent.)
*
* XXX The notion of the clock's current rate probably needs to be
* separated from the clock's target rate.
*/
struct clk {
struct list_head node;
const struct clkops *ops;
const char *name;
struct clk *parent;
struct list_head children;
struct list_head sibling; /* node for children */
unsigned long rate;
void __iomem *enable_reg;
unsigned long (*recalc)(struct clk *);
int (*set_rate)(struct clk *, unsigned long);
long (*round_rate)(struct clk *, unsigned long);
void (*init)(struct clk *);
u8 enable_bit;
s8 usecount;
u8 fixed_div;
u8 flags;
#ifdef CONFIG_ARCH_OMAP2PLUS
void __iomem *clksel_reg;
u32 clksel_mask;
const struct clksel *clksel;
struct dpll_data *dpll_data;
const char *clkdm_name;
struct clockdomain *clkdm;
#else
u8 rate_offset;
u8 src_offset;
#endif
#if defined(CONFIG_PM_DEBUG) && defined(CONFIG_DEBUG_FS)
struct dentry *dent; /* For visible tree hierarchy */
#endif
};
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);
void (*clk_allow_idle)(struct clk *clk);
void (*clk_deny_idle)(struct clk *clk);
void (*clk_disable_unused)(struct clk *clk);
};
extern int mpurate;
extern int clk_init(struct clk_functions *custom_clocks);
extern void clk_preinit(struct clk *clk);
extern int clk_register(struct clk *clk);
extern void clk_reparent(struct clk *child, struct clk *parent);
extern void clk_unregister(struct clk *clk);
extern void propagate_rate(struct clk *clk);
extern void recalculate_root_clocks(void);
extern unsigned long followparent_recalc(struct clk *clk);
extern void clk_enable_init_clocks(void);
unsigned long omap_fixed_divisor_recalc(struct clk *clk);
extern struct clk *omap_clk_get_by_name(const char *name);
extern int omap_clk_enable_autoidle_all(void);
extern int omap_clk_disable_autoidle_all(void);
extern const struct clkops clkops_null;
extern struct clk dummy_ck;
#endif
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