summaryrefslogtreecommitdiff
path: root/arch/arm/include/asm/arch-mx25/clock.h
blob: efbe038bb9b781c89a6a71f7911a1dcdbb7ebb4d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
/*
 *
 * (c) 2009 Ilya Yanok, Emcraft Systems <yanok@emcraft.com>
 *
 * Modified for mx25 by John Rigby <jrigby@gmail.com>
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#ifndef __ASM_ARCH_CLOCK_H
#define __ASM_ARCH_CLOCK_H

#include <common.h>

#ifdef CONFIG_MX25_HCLK_FREQ
#define MXC_HCLK	CONFIG_MX25_HCLK_FREQ
#else
#define MXC_HCLK	24000000
#endif

#ifdef CONFIG_MX25_CLK32
#define MXC_CLK32	CONFIG_MX25_CLK32
#else
#define MXC_CLK32	32768
#endif

enum mxc_clock {
	/* PER clocks (do not change order) */
	MXC_CSI_CLK,
	MXC_EPIT_CLK,
	MXC_ESAI_CLK,
	MXC_ESDHC1_CLK,
	MXC_ESDHC2_CLK,
	MXC_GPT_CLK,
	MXC_I2C_CLK,
	MXC_LCDC_CLK,
	MXC_NFC_CLK,
	MXC_OWIRE_CLK,
	MXC_PWM_CLK,
	MXC_SIM1_CLK,
	MXC_SIM2_CLK,
	MXC_SSI1_CLK,
	MXC_SSI2_CLK,
	MXC_UART_CLK,
	/* Other clocks */
	MXC_ARM_CLK,
	MXC_AHB_CLK,
	MXC_IPG_CLK,
	MXC_CSPI_CLK,
	MXC_FEC_CLK,
	MXC_CLK_NUM
};

unsigned int mxc_get_clock(enum mxc_clock clk);

#define imx_get_uartclk()	mxc_get_clock(MXC_UART_CLK)
#define imx_get_fecclk()	mxc_get_clock(MXC_FEC_CLK)

#endif /* __ASM_ARCH_CLOCK_H */