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 #ifdef CONFIG_COMMON_CLK
15 #include <linux/clk-provider.h>
17 #include <linux/clk.h>
23 #include "clock2xxx.h"
24 #include "cm2xxx_3xxx.h"
25 #include "cm-regbits-24xx.h"
27 /* Private functions */
30 void omap2_clkt_iclk_allow_idle(struct clk *clk)
34 r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
36 v = __raw_readl((__force void __iomem *)r);
37 v |= (1 << clk->enable_bit);
38 __raw_writel(v, (__force void __iomem *)r);
42 void omap2_clkt_iclk_deny_idle(struct clk *clk)
46 r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
48 v = __raw_readl((__force void __iomem *)r);
49 v &= ~(1 << clk->enable_bit);
50 __raw_writel(v, (__force void __iomem *)r);
55 #ifdef CONFIG_COMMON_CLK
56 const struct clk_hw_omap_ops clkhwops_iclk_wait = {
57 .allow_idle = omap2_clkt_iclk_allow_idle,
58 .deny_idle = omap2_clkt_iclk_deny_idle,
59 .find_idlest = omap2_clk_dflt_find_idlest,
60 .find_companion = omap2_clk_dflt_find_companion,
63 const struct clkops clkops_omap2_iclk_dflt_wait = {
64 .enable = omap2_dflt_clk_enable,
65 .disable = omap2_dflt_clk_disable,
66 .find_companion = omap2_clk_dflt_find_companion,
67 .find_idlest = omap2_clk_dflt_find_idlest,
68 .allow_idle = omap2_clkt_iclk_allow_idle,
69 .deny_idle = omap2_clkt_iclk_deny_idle,
72 const struct clkops clkops_omap2_iclk_dflt = {
73 .enable = omap2_dflt_clk_enable,
74 .disable = omap2_dflt_clk_disable,
75 .allow_idle = omap2_clkt_iclk_allow_idle,
76 .deny_idle = omap2_clkt_iclk_deny_idle,
79 const struct clkops clkops_omap2_iclk_idle_only = {
80 .allow_idle = omap2_clkt_iclk_allow_idle,
81 .deny_idle = omap2_clkt_iclk_deny_idle,
84 const struct clkops clkops_omap2_mdmclk_dflt_wait = {
85 .enable = omap2_dflt_clk_enable,
86 .disable = omap2_dflt_clk_disable,
87 .find_companion = omap2_clk_dflt_find_companion,
88 .find_idlest = omap2_clk_dflt_find_idlest,
89 .allow_idle = omap2_clkt_iclk_allow_idle,
90 .deny_idle = omap2_clkt_iclk_deny_idle,