1 /*
2  * (C) Copyright 2009
3  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4  *
5  * See file CREDITS for list of people who contributed to this
6  * project.
7  *
8  * This program is free software; you can redistribute it and/or
9  * modify it under the terms of the GNU General Public License as
10  * published by the Free Software Foundation; either version 2 of
11  * the License, or (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  * GNU General Public License for more details.
17  *
18  * You should have received a copy of the GNU General Public License
19  * along with this program; if not, write to the Free Software
20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21  * MA 02111-1307 USA
22  */
23 
24 #ifndef __ASM_ARCH_CLOCK_H
25 #define __ASM_ARCH_CLOCK_H
26 
27 enum mxc_clock {
28 	MXC_ARM_CLK = 0,
29 	MXC_AHB_CLK,
30 	MXC_IPG_CLK,
31 	MXC_IPG_PERCLK,
32 	MXC_UART_CLK,
33 	MXC_CSPI_CLK,
34 	MXC_FEC_CLK,
35 	MXC_SATA_CLK,
36 	MXC_DDR_CLK,
37 	MXC_NFC_CLK,
38 	MXC_PERIPH_CLK,
39 };
40 
41 unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref);
42 
43 u32 imx_get_uartclk(void);
44 u32 imx_get_fecclk(void);
45 unsigned int mxc_get_clock(enum mxc_clock clk);
46 int mxc_set_clock(u32 ref, u32 freq, u32 clk_type);
47 void set_usb_phy2_clk(void);
48 void enable_usb_phy2_clk(unsigned char enable);
49 void set_usboh3_clk(void);
50 void enable_usboh3_clk(unsigned char enable);
51 void mxc_set_sata_internal_clock(void);
52 int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
53 
54 #endif /* __ASM_ARCH_CLOCK_H */
55