1*4882a593Smuzhiyun /* 2*4882a593Smuzhiyun * 3*4882a593Smuzhiyun * (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com> 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Modified for mx25 by John Rigby <jrigby@gmail.com> 6*4882a593Smuzhiyun * 7*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0+ 8*4882a593Smuzhiyun */ 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun #ifndef __ASM_ARCH_CLOCK_H 11*4882a593Smuzhiyun #define __ASM_ARCH_CLOCK_H 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun #include <common.h> 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #ifdef CONFIG_MX25_HCLK_FREQ 16*4882a593Smuzhiyun #define MXC_HCLK CONFIG_MX25_HCLK_FREQ 17*4882a593Smuzhiyun #else 18*4882a593Smuzhiyun #define MXC_HCLK 24000000 19*4882a593Smuzhiyun #endif 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun #ifdef CONFIG_MX25_CLK32 22*4882a593Smuzhiyun #define MXC_CLK32 CONFIG_MX25_CLK32 23*4882a593Smuzhiyun #else 24*4882a593Smuzhiyun #define MXC_CLK32 32768 25*4882a593Smuzhiyun #endif 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun enum mxc_clock { 28*4882a593Smuzhiyun /* PER clocks (do not change order) */ 29*4882a593Smuzhiyun MXC_CSI_CLK, 30*4882a593Smuzhiyun MXC_EPIT_CLK, 31*4882a593Smuzhiyun MXC_ESAI_CLK, 32*4882a593Smuzhiyun MXC_ESDHC1_CLK, 33*4882a593Smuzhiyun MXC_ESDHC2_CLK, 34*4882a593Smuzhiyun MXC_GPT_CLK, 35*4882a593Smuzhiyun MXC_I2C_CLK, 36*4882a593Smuzhiyun MXC_LCDC_CLK, 37*4882a593Smuzhiyun MXC_NFC_CLK, 38*4882a593Smuzhiyun MXC_OWIRE_CLK, 39*4882a593Smuzhiyun MXC_PWM_CLK, 40*4882a593Smuzhiyun MXC_SIM1_CLK, 41*4882a593Smuzhiyun MXC_SIM2_CLK, 42*4882a593Smuzhiyun MXC_SSI1_CLK, 43*4882a593Smuzhiyun MXC_SSI2_CLK, 44*4882a593Smuzhiyun MXC_UART_CLK, 45*4882a593Smuzhiyun /* Other clocks */ 46*4882a593Smuzhiyun MXC_ARM_CLK, 47*4882a593Smuzhiyun MXC_AHB_CLK, 48*4882a593Smuzhiyun MXC_IPG_CLK, 49*4882a593Smuzhiyun MXC_CSPI_CLK, 50*4882a593Smuzhiyun MXC_FEC_CLK, 51*4882a593Smuzhiyun MXC_CLK_NUM 52*4882a593Smuzhiyun }; 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun int imx_set_perclk(enum mxc_clock clk, bool from_upll, unsigned int freq); 55*4882a593Smuzhiyun unsigned int mxc_get_clock(enum mxc_clock clk); 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #define imx_get_uartclk() mxc_get_clock(MXC_UART_CLK) 58*4882a593Smuzhiyun #define imx_get_fecclk() mxc_get_clock(MXC_FEC_CLK) 59*4882a593Smuzhiyun 60*4882a593Smuzhiyun #endif /* __ASM_ARCH_CLOCK_H */ 61