From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001 From: Srikant Patnaik Date: Sun, 11 Jan 2015 12:28:04 +0530 Subject: Moved, renamed, and deleted files The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure. --- arch/arm/mach-omap2/clkt2xxx_dpll.c | 63 +++++++++++++++++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 arch/arm/mach-omap2/clkt2xxx_dpll.c (limited to 'arch/arm/mach-omap2/clkt2xxx_dpll.c') diff --git a/arch/arm/mach-omap2/clkt2xxx_dpll.c b/arch/arm/mach-omap2/clkt2xxx_dpll.c new file mode 100644 index 00000000..1502a7bc --- /dev/null +++ b/arch/arm/mach-omap2/clkt2xxx_dpll.c @@ -0,0 +1,63 @@ +/* + * OMAP2-specific DPLL control functions + * + * 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. + */ + +#include +#include +#include +#include + +#include + +#include "clock.h" +#include "cm2xxx_3xxx.h" +#include "cm-regbits-24xx.h" + +/* Private functions */ + +/** + * _allow_idle - enable DPLL autoidle bits + * @clk: struct clk * of the DPLL to operate on + * + * Enable DPLL automatic idle control. The DPLL will enter low-power + * stop when its downstream clocks are gated. No return value. + * REVISIT: DPLL can optionally enter low-power bypass by writing 0x1 + * instead. Add some mechanism to optionally enter this mode. + */ +static void _allow_idle(struct clk *clk) +{ + if (!clk || !clk->dpll_data) + return; + + omap2xxx_cm_set_dpll_auto_low_power_stop(); +} + +/** + * _deny_idle - prevent DPLL from automatically idling + * @clk: struct clk * of the DPLL to operate on + * + * Disable DPLL automatic idle control. No return value. + */ +static void _deny_idle(struct clk *clk) +{ + if (!clk || !clk->dpll_data) + return; + + omap2xxx_cm_set_dpll_disable_autoidle(); +} + + +/* Public data */ + +const struct clkops clkops_omap2xxx_dpll_ops = { + .allow_idle = _allow_idle, + .deny_idle = _deny_idle, +}; + -- cgit