clkt2xxx_dpll.c

Go to the documentation of this file.

/*
 * 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 <linux/kernel.h>
#include <linux/errno.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <plat/clock.h>

#include "clock.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"

/* Private functions */

static void _allow_idle(struct clk *clk)
{
    if (!clk || !clk->dpll_data)
        return;

    omap2xxx_cm_set_dpll_auto_low_power_stop();
}

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,
};