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/* SPDX-License-Identifier: GPL-2.0 */
/*
* arch/arm/mach-ep93xx/include/mach/hardware.h
*/
#ifndef __ASM_ARCH_HARDWARE_H
#define __ASM_ARCH_HARDWARE_H
#include "platform.h"
/*
* The EP93xx has two external crystal oscillators. To generate the
* required high-frequency clocks, the processor uses two phase-locked-
* loops (PLLs) to multiply the incoming external clock signal to much
* higher frequencies that are then divided down by programmable dividers
* to produce the needed clocks. The PLLs operate independently of one
* another.
*/
#define EP93XX_EXT_CLK_RATE 14745600
#define EP93XX_EXT_RTC_RATE 32768
#define EP93XX_KEYTCHCLK_DIV4 (EP93XX_EXT_CLK_RATE / 4)
#define EP93XX_KEYTCHCLK_DIV16 (EP93XX_EXT_CLK_RATE / 16)
#endif
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