arch/arm/include/asm/arch-mx5/clock.h

   1 /*
   2  * (C) Copyright 2009
   3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #ifndef __ASM_ARCH_CLOCK_H
   9 #define __ASM_ARCH_CLOCK_H
  10
  11 #include <common.h>
  12
  13 #ifdef CONFIG_SYS_MX5_HCLK
  14 #define MXC_HCLK        CONFIG_SYS_MX5_HCLK
  15 #else
  16 #define MXC_HCLK        24000000
  17 #endif
  18
  19 #ifdef CONFIG_SYS_MX5_CLK32
  20 #define MXC_CLK32       CONFIG_SYS_MX5_CLK32
  21 #else
  22 #define MXC_CLK32       32768
  23 #endif
  24
  25 enum mxc_clock {
  26         MXC_ARM_CLK = 0,
  27         MXC_AHB_CLK,
  28         MXC_IPG_CLK,
  29         MXC_IPG_PERCLK,
  30         MXC_UART_CLK,
  31         MXC_CSPI_CLK,
  32         MXC_ESDHC_CLK,
  33         MXC_ESDHC2_CLK,
  34         MXC_ESDHC3_CLK,
  35         MXC_ESDHC4_CLK,
  36         MXC_FEC_CLK,
  37         MXC_SATA_CLK,
  38         MXC_DDR_CLK,
  39         MXC_NFC_CLK,
  40         MXC_PERIPH_CLK,
  41         MXC_I2C_CLK,
  42 };
  43
  44 u32 imx_get_uartclk(void);
  45 u32 imx_get_fecclk(void);
  46 unsigned int mxc_get_clock(enum mxc_clock clk);
  47 int mxc_set_clock(u32 ref, u32 freq, u32 clk_type);
  48 void set_usb_phy_clk(void);
  49 void enable_usb_phy1_clk(unsigned char enable);
  50 void enable_usb_phy2_clk(unsigned char enable);
  51 void set_usboh3_clk(void);
  52 void enable_usboh3_clk(unsigned char enable);
  53 void mxc_set_sata_internal_clock(void);
  54 int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
  55 void enable_nfc_clk(unsigned char enable);
  56
  57 #endif /* __ASM_ARCH_CLOCK_H */