LXR uboot/arch/arm/include/asm/arch-mx25/clock.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 *
   4 * (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
   5 *
   6 * Modified for mx25 by John Rigby <jrigby@gmail.com>
   7 */
   8
   9#ifndef __ASM_ARCH_CLOCK_H
  10#define __ASM_ARCH_CLOCK_H
  11
  12#include <common.h>
  13
  14#ifdef CONFIG_MX25_HCLK_FREQ
  15#define MXC_HCLK        CONFIG_MX25_HCLK_FREQ
  16#else
  17#define MXC_HCLK        24000000
  18#endif
  19
  20#ifdef CONFIG_MX25_CLK32
  21#define MXC_CLK32       CONFIG_MX25_CLK32
  22#else
  23#define MXC_CLK32       32768
  24#endif
  25
  26enum mxc_clock {
  27        /* PER clocks (do not change order) */
  28        MXC_CSI_CLK,
  29        MXC_EPIT_CLK,
  30        MXC_ESAI_CLK,
  31        MXC_ESDHC1_CLK,
  32        MXC_ESDHC2_CLK,
  33        MXC_GPT_CLK,
  34        MXC_I2C_CLK,
  35        MXC_LCDC_CLK,
  36        MXC_NFC_CLK,
  37        MXC_OWIRE_CLK,
  38        MXC_PWM_CLK,
  39        MXC_SIM1_CLK,
  40        MXC_SIM2_CLK,
  41        MXC_SSI1_CLK,
  42        MXC_SSI2_CLK,
  43        MXC_UART_CLK,
  44        /* Other clocks */
  45        MXC_ARM_CLK,
  46        MXC_AHB_CLK,
  47        MXC_IPG_CLK,
  48        MXC_CSPI_CLK,
  49        MXC_FEC_CLK,
  50        MXC_CLK_NUM
  51};
  52
  53int imx_set_perclk(enum mxc_clock clk, bool from_upll, unsigned int freq);
  54unsigned int mxc_get_clock(enum mxc_clock clk);
  55
  56#define imx_get_uartclk()       mxc_get_clock(MXC_UART_CLK)
  57#define imx_get_fecclk()        mxc_get_clock(MXC_FEC_CLK)
  58
  59#endif /* __ASM_ARCH_CLOCK_H */
  60