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(bool enable);
50 void enable_usb_phy2_clk(bool enable);
51 void set_usboh3_clk(void);
52 void enable_usboh3_clk(bool 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 */
58