-
Notifications
You must be signed in to change notification settings - Fork 0
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
yaml --- r: 172428 b: refs/heads/master c: c6b503c h: refs/heads/master v: v3
- Loading branch information
Srinidhi Kasagar
authored and
Russell King
committed
Nov 28, 2009
1 parent
b3cffd8
commit 16a5e73
Showing
3 changed files
with
103 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,2 +1,2 @@ | ||
--- | ||
refs/heads/master: ffae4e014a4bff7b904e4b5ace2ae453b9d93519 | ||
refs/heads/master: c6b503caef9abefb2e90ac83f672b75dc14bacd0 |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,95 @@ | ||
/* | ||
* Copyright (C) 2009 ST-Ericsson | ||
* heavily based on realview platform | ||
* | ||
* 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. | ||
*/ | ||
#include <linux/module.h> | ||
#include <linux/kernel.h> | ||
#include <linux/list.h> | ||
#include <linux/errno.h> | ||
#include <linux/err.h> | ||
#include <linux/clk.h> | ||
#include <linux/mutex.h> | ||
|
||
#include <asm/clkdev.h> | ||
|
||
/* currently the clk structure | ||
* just supports rate. This would | ||
* be extended as and when new devices are | ||
* added - TODO | ||
*/ | ||
struct clk { | ||
unsigned long rate; | ||
}; | ||
|
||
int clk_enable(struct clk *clk) | ||
{ | ||
return 0; | ||
} | ||
EXPORT_SYMBOL(clk_enable); | ||
|
||
void clk_disable(struct clk *clk) | ||
{ | ||
} | ||
EXPORT_SYMBOL(clk_disable); | ||
|
||
unsigned long clk_get_rate(struct clk *clk) | ||
{ | ||
return clk->rate; | ||
} | ||
EXPORT_SYMBOL(clk_get_rate); | ||
|
||
long clk_round_rate(struct clk *clk, unsigned long rate) | ||
{ | ||
/*TODO*/ | ||
return rate; | ||
} | ||
EXPORT_SYMBOL(clk_round_rate); | ||
|
||
int clk_set_rate(struct clk *clk, unsigned long rate) | ||
{ | ||
clk->rate = rate; | ||
return 0; | ||
} | ||
EXPORT_SYMBOL(clk_set_rate); | ||
|
||
/* ssp clock */ | ||
static struct clk ssp_clk = { | ||
.rate = 48000000, | ||
}; | ||
|
||
/* fixed clock */ | ||
static struct clk f38_clk = { | ||
.rate = 38400000, | ||
}; | ||
|
||
static struct clk_lookup lookups[] = { | ||
{ | ||
/* UART0 */ | ||
.dev_id = "uart0", | ||
.clk = &f38_clk, | ||
}, { /* UART1 */ | ||
.dev_id = "uart1", | ||
.clk = &f38_clk, | ||
}, { /* UART2 */ | ||
.dev_id = "uart2", | ||
.clk = &f38_clk, | ||
}, { /* SSP */ | ||
.dev_id = "pl022", | ||
.clk = &ssp_clk, | ||
} | ||
}; | ||
|
||
static int __init clk_init(void) | ||
{ | ||
int i; | ||
|
||
/* register the clock lookups */ | ||
for (i = 0; i < ARRAY_SIZE(lookups); i++) | ||
clkdev_add(&lookups[i]); | ||
return 0; | ||
} | ||
arch_initcall(clk_init); |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -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 |