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

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