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>
19 #include "clock2xxx.h"
20 #include "cm2xxx_3xxx.h"
21 #include "cm-regbits-24xx.h"
23 /* Private functions */
26 void omap2_clkt_iclk_allow_idle(struct clk *clk)
30 r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
32 v = __raw_readl((__force void __iomem *)r);
33 v |= (1 << clk->enable_bit);
34 __raw_writel(v, (__force void __iomem *)r);
38 void omap2_clkt_iclk_deny_idle(struct clk *clk)
42 r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
44 v = __raw_readl((__force void __iomem *)r);
45 v &= ~(1 << clk->enable_bit);
46 __raw_writel(v, (__force void __iomem *)r);
51 const struct clkops clkops_omap2_iclk_dflt_wait = {
52 .enable = omap2_dflt_clk_enable,
53 .disable = omap2_dflt_clk_disable,
54 .find_companion = omap2_clk_dflt_find_companion,
55 .find_idlest = omap2_clk_dflt_find_idlest,
56 .allow_idle = omap2_clkt_iclk_allow_idle,
57 .deny_idle = omap2_clkt_iclk_deny_idle,
60 const struct clkops clkops_omap2_iclk_dflt = {
61 .enable = omap2_dflt_clk_enable,
62 .disable = omap2_dflt_clk_disable,
63 .allow_idle = omap2_clkt_iclk_allow_idle,
64 .deny_idle = omap2_clkt_iclk_deny_idle,
67 const struct clkops clkops_omap2_iclk_idle_only = {
68 .allow_idle = omap2_clkt_iclk_allow_idle,
69 .deny_idle = omap2_clkt_iclk_deny_idle,
72 const struct clkops clkops_omap2_mdmclk_dflt_wait = {
73 .enable = omap2_dflt_clk_enable,
74 .disable = omap2_dflt_clk_disable,
75 .find_companion = omap2_clk_dflt_find_companion,
76 .find_idlest = omap2_clk_dflt_find_idlest,
77 .allow_idle = omap2_clkt_iclk_allow_idle,
78 .deny_idle = omap2_clkt_iclk_deny_idle,