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_MX6_HCLK 14 #define MXC_HCLK CONFIG_SYS_MX6_HCLK 15 #else 16 #define MXC_HCLK 24000000 17 #endif 18 19 #ifdef CONFIG_SYS_MX6_CLK32 20 #define MXC_CLK32 CONFIG_SYS_MX6_CLK32 21 #else 22 #define MXC_CLK32 32768 23 #endif 24 25 enum mxc_clock { 26 MXC_ARM_CLK = 0, 27 MXC_PER_CLK, 28 MXC_AHB_CLK, 29 MXC_IPG_CLK, 30 MXC_IPG_PERCLK, 31 MXC_UART_CLK, 32 MXC_CSPI_CLK, 33 MXC_AXI_CLK, 34 MXC_EMI_SLOW_CLK, 35 MXC_DDR_CLK, 36 MXC_ESDHC_CLK, 37 MXC_ESDHC2_CLK, 38 MXC_ESDHC3_CLK, 39 MXC_ESDHC4_CLK, 40 MXC_SATA_CLK, 41 MXC_NFC_CLK, 42 MXC_I2C_CLK, 43 }; 44 45 u32 imx_get_uartclk(void); 46 u32 imx_get_fecclk(void); 47 unsigned int mxc_get_clock(enum mxc_clock clk); 48 void enable_ocotp_clk(unsigned char enable); 49 void enable_usboh3_clk(unsigned char enable); 50 int enable_sata_clock(void); 51 int enable_i2c_clk(unsigned char enable, unsigned i2c_num); 52 void enable_ipu_clock(void); 53 #endif /* __ASM_ARCH_CLOCK_H */ 54