From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/mach-omap2/clkt_iclk.c | 82 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 82 insertions(+) create mode 100644 arch/arm/mach-omap2/clkt_iclk.c (limited to 'arch/arm/mach-omap2/clkt_iclk.c') diff --git a/arch/arm/mach-omap2/clkt_iclk.c b/arch/arm/mach-omap2/clkt_iclk.c new file mode 100644 index 00000000..3d43fba2 --- /dev/null +++ b/arch/arm/mach-omap2/clkt_iclk.c @@ -0,0 +1,82 @@ +/* + * OMAP2/3 interface clock control + * + * Copyright (C) 2011 Nokia Corporation + * Paul Walmsley + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ +#undef DEBUG + +#include +#include +#include + +#include +#include + +#include "clock.h" +#include "clock2xxx.h" +#include "cm2xxx_3xxx.h" +#include "cm-regbits-24xx.h" + +/* Private functions */ + +/* XXX */ +void omap2_clkt_iclk_allow_idle(struct clk *clk) +{ + u32 v, r; + + r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = __raw_readl((__force void __iomem *)r); + v |= (1 << clk->enable_bit); + __raw_writel(v, (__force void __iomem *)r); +} + +/* XXX */ +void omap2_clkt_iclk_deny_idle(struct clk *clk) +{ + u32 v, r; + + r = ((__force u32)clk->enable_reg ^ (CM_AUTOIDLE ^ CM_ICLKEN)); + + v = __raw_readl((__force void __iomem *)r); + v &= ~(1 << clk->enable_bit); + __raw_writel(v, (__force void __iomem *)r); +} + +/* Public data */ + +const struct clkops clkops_omap2_iclk_dflt_wait = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .find_companion = omap2_clk_dflt_find_companion, + .find_idlest = omap2_clk_dflt_find_idlest, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_iclk_dflt = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_iclk_idle_only = { + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + +const struct clkops clkops_omap2_mdmclk_dflt_wait = { + .enable = omap2_dflt_clk_enable, + .disable = omap2_dflt_clk_disable, + .find_companion = omap2_clk_dflt_find_companion, + .find_idlest = omap2_clk_dflt_find_idlest, + .allow_idle = omap2_clkt_iclk_allow_idle, + .deny_idle = omap2_clkt_iclk_deny_idle, +}; + -- cgit v1.2.3