arch/arm/include/asm/arch-mx31/clock.h

   1 /*
   2  *
   3  * (c) 2007 Pengutronix, Sascha Hauer <s.hauer@pengutronix.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_MX31_HCLK_FREQ
  14 #define MXC_HCLK        CONFIG_MX31_HCLK_FREQ
  15 #else
  16 #define MXC_HCLK        26000000
  17 #endif
  18
  19 #ifdef CONFIG_MX31_CLK32
  20 #define MXC_CLK32       CONFIG_MX31_CLK32
  21 #else
  22 #define MXC_CLK32       32768
  23 #endif
  24
  25 enum mxc_clock {
  26         MXC_ARM_CLK,
  27         MXC_IPG_CLK,
  28         MXC_IPG_PERCLK,
  29         MXC_CSPI_CLK,
  30         MXC_UART_CLK,
  31         MXC_IPU_CLK,
  32         MXC_ESDHC_CLK,
  33         MXC_I2C_CLK,
  34 };
  35
  36 unsigned int mxc_get_clock(enum mxc_clock clk);
  37 extern u32 imx_get_uartclk(void);
  38 extern void mx31_gpio_mux(unsigned long mode);
  39 extern void mx31_set_pad(enum iomux_pins pin, u32 config);
  40 extern void mx31_set_gpr(enum iomux_gp_func gp, char en);
  41
  42 void mx31_uart1_hw_init(void);
  43 void mx31_uart2_hw_init(void);
  44 void mx31_spi2_hw_init(void);
  45
  46 #endif /* __ASM_ARCH_CLOCK_H */