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-provider.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_hw_omap *clk)
31 r = (__force void __iomem *)
32 ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
34 v = omap2_clk_readl(clk, r);
35 v |= (1 << clk->enable_bit);
36 omap2_clk_writel(v, clk, r);
40 void omap2_clkt_iclk_deny_idle(struct clk_hw_omap *clk)
45 r = (__force void __iomem *)
46 ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN));
48 v = omap2_clk_readl(clk, r);
49 v &= ~(1 << clk->enable_bit);
50 omap2_clk_writel(v, clk, r);
55 const struct clk_hw_omap_ops clkhwops_iclk = {
56 .allow_idle = omap2_clkt_iclk_allow_idle,
57 .deny_idle = omap2_clkt_iclk_deny_idle,
60 const struct clk_hw_omap_ops clkhwops_iclk_wait = {
61 .allow_idle = omap2_clkt_iclk_allow_idle,
62 .deny_idle = omap2_clkt_iclk_deny_idle,
63 .find_idlest = omap2_clk_dflt_find_idlest,
64 .find_companion = omap2_clk_dflt_find_companion,