2 * OMAP2/3 interface clock control
4 * Copyright (C) 2011 Nokia Corporation
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
13 #include <linux/kernel.h>
14 #include <linux/clk.h>
17 #include <plat/prcm.h>
20 #include "clock2xxx.h"
21 #include "cm2xxx_3xxx.h"
22 #include "cm-regbits-24xx.h"
24 /* Private functions */
27 void omap2_clkt_iclk_allow_idle(struct clk
*clk
)
31 r
= ((__force u32
)clk
->enable_reg
^ (CM_AUTOIDLE
^ CM_ICLKEN
));
33 v
= __raw_readl((__force
void __iomem
*)r
);
34 v
|= (1 << clk
->enable_bit
);
35 __raw_writel(v
, (__force
void __iomem
*)r
);
39 void omap2_clkt_iclk_deny_idle(struct clk
*clk
)
43 r
= ((__force u32
)clk
->enable_reg
^ (CM_AUTOIDLE
^ CM_ICLKEN
));
45 v
= __raw_readl((__force
void __iomem
*)r
);
46 v
&= ~(1 << clk
->enable_bit
);
47 __raw_writel(v
, (__force
void __iomem
*)r
);
52 const struct clkops clkops_omap2_iclk_dflt_wait
= {
53 .enable
= omap2_dflt_clk_enable
,
54 .disable
= omap2_dflt_clk_disable
,
55 .find_companion
= omap2_clk_dflt_find_companion
,
56 .find_idlest
= omap2_clk_dflt_find_idlest
,
57 .allow_idle
= omap2_clkt_iclk_allow_idle
,
58 .deny_idle
= omap2_clkt_iclk_deny_idle
,
61 const struct clkops clkops_omap2_iclk_dflt
= {
62 .enable
= omap2_dflt_clk_enable
,
63 .disable
= omap2_dflt_clk_disable
,
64 .allow_idle
= omap2_clkt_iclk_allow_idle
,
65 .deny_idle
= omap2_clkt_iclk_deny_idle
,
68 const struct clkops clkops_omap2_iclk_idle_only
= {
69 .allow_idle
= omap2_clkt_iclk_allow_idle
,
70 .deny_idle
= omap2_clkt_iclk_deny_idle
,
73 const struct clkops clkops_omap2_mdmclk_dflt_wait
= {
74 .enable
= omap2_dflt_clk_enable
,
75 .disable
= omap2_dflt_clk_disable
,
76 .find_companion
= omap2_clk_dflt_find_companion
,
77 .find_idlest
= omap2_clk_dflt_find_idlest
,
78 .allow_idle
= omap2_clkt_iclk_allow_idle
,
79 .deny_idle
= omap2_clkt_iclk_deny_idle
,