clock2430.c

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/*
 * clock2430.c - OMAP2430-specific clock integration code
 *
 * Copyright (C) 2005-2008 Texas Instruments, Inc.
 * Copyright (C) 2004-2010 Nokia Corporation
 *
 * Contacts:
 * Richard Woodruff <[email protected]>
 * Paul Walmsley
 *
 * Based on earlier work by Tuukka Tikkanen, Tony Lindgren,
 * Gordon McNutt and RidgeRun, Inc.
 *
 * 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 <linux/kernel.h>
#include <linux/clk.h>
#include <linux/io.h>

#include <plat/clock.h>

#include "soc.h"
#include "iomap.h"
#include "clock.h"
#include "clock2xxx.h"
#include "cm2xxx_3xxx.h"
#include "cm-regbits-24xx.h"

static void omap2430_clk_i2chs_find_idlest(struct clk *clk,
                       void __iomem **idlest_reg,
                       u8 *idlest_bit,
                       u8 *idlest_val)
{
    *idlest_reg = OMAP2430_CM_REGADDR(CORE_MOD, CM_IDLEST);
    *idlest_bit = clk->enable_bit;
    *idlest_val = OMAP24XX_CM_IDLEST_VAL;
}

/* 2430 I2CHS has non-standard IDLEST register */
const struct clkops clkops_omap2430_i2chs_wait = {
    .enable     = omap2_dflt_clk_enable,
    .disable    = omap2_dflt_clk_disable,
    .find_idlest    = omap2430_clk_i2chs_find_idlest,
    .find_companion = omap2_clk_dflt_find_companion,
};