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ARM: PNX4008: convert to clkdev 

Acked-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2009-11-20 10:32:41 +00:00
parent 0a0300dc8c
commit 6985a5ad0d
4 changed files with 43 additions and 33 deletions
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1
arch/arm/Kconfig
View File

@ -554,6 +554,7 @@ config ARCH_PNX4008
bool "Philips Nexperia PNX4008 Mobile"
select CPU_ARM926T
select HAVE_CLK
select COMMON_CLKDEV
help
This enables support for Philips PNX4008 mobile platform.

66
arch/arm/mach-pnx4008/clock.c
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@ -22,8 +22,9 @@
#include <linux/delay.h>
#include <linux/io.h>
#include <mach/hardware.h>
#include <asm/clkdev.h>
#include <mach/hardware.h>
#include <mach/clock.h>
#include "clock.h"
@ -747,7 +748,7 @@ static struct clk wdt_ck = {
/* These clocks are visible outside this module
* and can be initialized
*/
static struct clk *onchip_clks[] = {
static struct clk *onchip_clks[] __initdata = {
&ck_13MHz,
&ck_pll1,
&ck_pll4,
@ -777,6 +778,36 @@ static struct clk *onchip_clks[] = {
&wdt_ck,
};
static struct clk_lookup onchip_clkreg[] = {
{ .clk = &ck_13MHz, .con_id = "ck_13MHz" },
{ .clk = &ck_pll1, .con_id = "ck_pll1" },
{ .clk = &ck_pll4, .con_id = "ck_pll4" },
{ .clk = &ck_pll5, .con_id = "ck_pll5" },
{ .clk = &ck_pll3, .con_id = "ck_pll3" },
{ .clk = &vfp9_ck, .con_id = "vfp9_ck" },
{ .clk = &m2hclk_ck, .con_id = "m2hclk_ck" },
{ .clk = &hclk_ck, .con_id = "hclk_ck" },
{ .clk = &dma_ck, .con_id = "dma_ck" },
{ .clk = &flash_ck, .con_id = "flash_ck" },
{ .clk = &dum_ck, .con_id = "dum_ck" },
{ .clk = &keyscan_ck, .con_id = "keyscan_ck" },
{ .clk = &pwm1_ck, .con_id = "pwm1_ck" },
{ .clk = &pwm2_ck, .con_id = "pwm2_ck" },
{ .clk = &jpeg_ck, .con_id = "jpeg_ck" },
{ .clk = &ms_ck, .con_id = "ms_ck" },
{ .clk = &touch_ck, .con_id = "touch_ck" },
{ .clk = &i2c0_ck, .con_id = "i2c0_ck" },
{ .clk = &i2c1_ck, .con_id = "i2c1_ck" },
{ .clk = &i2c2_ck, .con_id = "i2c2_ck" },
{ .clk = &spi0_ck, .con_id = "spi0_ck" },
{ .clk = &spi1_ck, .con_id = "spi1_ck" },
{ .clk = &uart3_ck, .con_id = "uart3_ck" },
{ .clk = &uart4_ck, .con_id = "uart4_ck" },
{ .clk = &uart5_ck, .con_id = "uart5_ck" },
{ .clk = &uart6_ck, .con_id = "uart6_ck" },
{ .clk = &wdt_ck, .con_id = "wdt_ck" },
};
static int local_clk_enable(struct clk *clk)
{
int ret = 0;
@ -866,35 +897,6 @@ out:
EXPORT_SYMBOL(clk_set_rate);
struct clk *clk_get(struct device *dev, const char *id)
{
struct clk *clk = ERR_PTR(-ENOENT);
struct clk **clkp;
clock_lock();
for (clkp = onchip_clks; clkp < onchip_clks + ARRAY_SIZE(onchip_clks);
clkp++) {
if (strcmp(id, (*clkp)->name) == 0
&& try_module_get((*clkp)->owner)) {
clk = (*clkp);
break;
}
}
clock_unlock();
return clk;
}
EXPORT_SYMBOL(clk_get);
void clk_put(struct clk *clk)
{
clock_lock();
if (clk && !IS_ERR(clk))
module_put(clk->owner);
clock_unlock();
}
EXPORT_SYMBOL(clk_put);
unsigned long clk_get_rate(struct clk *clk)
{
unsigned long ret;
@ -987,6 +989,8 @@ static int __init clk_init(void)
/* Disable autoclocking */
__raw_writeb(0xff, AUTOCLK_CTRL);
clkdev_add_table(onchip_clkreg, ARRAY_SIZE(onchip_clkreg));
return 0;
}

2
arch/arm/mach-pnx4008/clock.h
View File

@ -14,8 +14,6 @@
#define __ARCH_ARM_PNX4008_CLOCK_H__
struct clk {
struct list_head node;
struct module *owner;
const char *name;
struct clk *parent;
struct clk *propagate_next;

7
arch/arm/mach-pnx4008/include/mach/clkdev.h Normal file
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@ -0,0 +1,7 @@
#ifndef __ASM_MACH_CLKDEV_H
#define __ASM_MACH_CLKDEV_H
#define __clk_get(clk) ({ 1; })
#define __clk_put(clk) do { } while (0)
#endif