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/*
* Freescale i.MX28 Clock
*
* Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
* on behalf of DENX Software Engineering GmbH
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __CLOCK_H__
#define __CLOCK_H__
enum mxc_clock {
MXC_ARM_CLK = 0,
MXC_AHB_CLK,
MXC_IPG_CLK,
MXC_EMI_CLK,
MXC_GPMI_CLK,
MXC_IO0_CLK,
MXC_IO1_CLK,
MXC_SSP0_CLK,
MXC_SSP1_CLK,
MXC_SSP2_CLK,
MXC_SSP3_CLK,
MXC_XTAL_CLK,
};
enum mxs_ioclock {
MXC_IOCLK0 = 0,
MXC_IOCLK1,
};
enum mxs_sspclock {
MXC_SSPCLK0 = 0,
MXC_SSPCLK1,
MXC_SSPCLK2,
MXC_SSPCLK3,
};
uint32_t mxc_get_clock(enum mxc_clock clk);
void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq);
void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal);
void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq);
/* Compatibility with the FEC Ethernet driver */
#define imx_get_fecclk() mxc_get_clock(MXC_AHB_CLK)
#endif /* __CLOCK_H__ */
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