projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 4029813c EM |
1 | /* |
| 2 | * linux/arch/arm/mach-pxa/clock-pxa2xx.c | |
| 3 | * | |
| 4 | * This program is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License version 2 as | |
| 6 | * published by the Free Software Foundation. | |
| 7 | */ | |
| 8 | ||
| 9 | #include <linux/module.h> | |
| 10 | #include <linux/kernel.h> | |
| 11 | #include <linux/init.h> | |
| 23019a73 | 12 | #include <linux/io.h> |
| 2eaa03b5 | 13 | #include <linux/syscore_ops.h> |
| 4029813c EM |
14 | |
| 15 | #include <mach/pxa2xx-regs.h> | |
| 16 | ||
| 17 | #include "clock.h" | |
| 18 | ||
| 19 | void clk_pxa2xx_cken_enable(struct clk *clk) | |
| 20 | { | |
| 21 | CKEN |= 1 << clk->cken; | |
| 22 | } | |
| 23 | ||
| 24 | void clk_pxa2xx_cken_disable(struct clk *clk) | |
| 25 | { | |
| 26 | CKEN &= ~(1 << clk->cken); | |
| 27 | } | |
| 28 | ||
| 29 | const struct clkops clk_pxa2xx_cken_ops = { | |
| 30 | .enable = clk_pxa2xx_cken_enable, | |
| 31 | .disable = clk_pxa2xx_cken_disable, | |
| 32 | }; | |
| f113fe4e EM |
33 | |
| 34 | #ifdef CONFIG_PM | |
| 35 | static uint32_t saved_cken; | |
| 36 | ||
| 2eaa03b5 | 37 | static int pxa2xx_clock_suspend(void) |
| f113fe4e EM |
38 | { |
| 39 | saved_cken = CKEN; | |
| 40 | return 0; | |
| 41 | } | |
| 42 | ||
| 2eaa03b5 | 43 | static void pxa2xx_clock_resume(void) |
| f113fe4e EM |
44 | { |
| 45 | CKEN = saved_cken; | |
| f113fe4e EM |
46 | } |
| 47 | #else | |
| 48 | #define pxa2xx_clock_suspend NULL | |
| 49 | #define pxa2xx_clock_resume NULL | |
| 50 | #endif | |
| 51 | ||
| 2eaa03b5 | 52 | struct syscore_ops pxa2xx_clock_syscore_ops = { |
| f113fe4e EM |
53 | .suspend = pxa2xx_clock_suspend, |
| 54 | .resume = pxa2xx_clock_resume, | |
| 55 | }; |