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

   1/*
   2 * Freescale i.MX23/i.MX28 Clock
   3 *
   4 * Copyright (C) 2011 Marek Vasut <marek.vasut@gmail.com>
   5 * on behalf of DENX Software Engineering GmbH
   6 *
   7 * SPDX-License-Identifier:     GPL-2.0+
   8 */
   9
  10#ifndef __CLOCK_H__
  11#define __CLOCK_H__
  12
  13enum mxc_clock {
  14        MXC_ARM_CLK = 0,
  15        MXC_AHB_CLK,
  16        MXC_IPG_CLK,
  17        MXC_EMI_CLK,
  18        MXC_GPMI_CLK,
  19        MXC_IO0_CLK,
  20        MXC_IO1_CLK,
  21        MXC_XTAL_CLK,
  22        MXC_SSP0_CLK,
  23#ifdef CONFIG_MX28
  24        MXC_SSP1_CLK,
  25        MXC_SSP2_CLK,
  26        MXC_SSP3_CLK,
  27#endif
  28};
  29
  30enum mxs_ioclock {
  31        MXC_IOCLK0 = 0,
  32        MXC_IOCLK1,
  33};
  34
  35enum mxs_sspclock {
  36        MXC_SSPCLK0 = 0,
  37#ifdef CONFIG_MX28
  38        MXC_SSPCLK1,
  39        MXC_SSPCLK2,
  40        MXC_SSPCLK3,
  41#endif
  42};
  43
  44uint32_t mxc_get_clock(enum mxc_clock clk);
  45
  46void mxs_set_ioclk(enum mxs_ioclock io, uint32_t freq);
  47void mxs_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal);
  48void mxs_set_ssp_busclock(unsigned int bus, uint32_t freq);
  49void mxs_set_lcdclk(uint32_t freq);
  50
  51/* Compatibility with the FEC Ethernet driver */
  52#define imx_get_fecclk()        mxc_get_clock(MXC_AHB_CLK)
  53
  54#endif  /* __CLOCK_H__ */
  55