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Stefano Babic64fdf452010-01-20 18:19:32 +01001/*
2 * (C) Copyright 2009
3 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
4 *
Wolfgang Denk1a459662013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Stefano Babic64fdf452010-01-20 18:19:32 +01006 */
7
8#ifndef __ASM_ARCH_CLOCK_H
9#define __ASM_ARCH_CLOCK_H
Stefano Babice4d34492010-03-05 17:54:37 +010010
Benoît Thébaudeau833b6432012-09-27 10:19:58 +000011#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
Stefano Babice4d34492010-03-05 17:54:37 +010025enum 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,
Benoît Thébaudeau32384652012-09-27 10:24:37 +000032 MXC_ESDHC_CLK,
33 MXC_ESDHC2_CLK,
34 MXC_ESDHC3_CLK,
35 MXC_ESDHC4_CLK,
Stefano Babice4d34492010-03-05 17:54:37 +010036 MXC_FEC_CLK,
Stefano Babicd87c85c2012-02-22 00:24:36 +000037 MXC_SATA_CLK,
Fabio Estevam70cc86a2012-04-30 08:12:02 +000038 MXC_DDR_CLK,
39 MXC_NFC_CLK,
40 MXC_PERIPH_CLK,
Matthias Weissere7bed5c2012-09-24 02:46:53 +000041 MXC_I2C_CLK,
Stefano Babice4d34492010-03-05 17:54:37 +010042};
43
Stefano Babice4d34492010-03-05 17:54:37 +010044u32 imx_get_uartclk(void);
45u32 imx_get_fecclk(void);
46unsigned int mxc_get_clock(enum mxc_clock clk);
Fabio Estevam70cc86a2012-04-30 08:12:02 +000047int mxc_set_clock(u32 ref, u32 freq, u32 clk_type);
Benoît Thébaudeau414e1662012-09-28 07:09:03 +000048void set_usb_phy_clk(void);
49void enable_usb_phy1_clk(unsigned char enable);
Wolfgang Grandegger5d2947a2011-11-11 14:03:34 +010050void enable_usb_phy2_clk(unsigned char enable);
51void set_usboh3_clk(void);
52void enable_usboh3_clk(unsigned char enable);
Stefano Babic8c38b5d2012-02-22 00:24:38 +000053void mxc_set_sata_internal_clock(void);
Troy Kiskycc54a0f2012-07-19 08:18:25 +000054int enable_i2c_clk(unsigned char enable, unsigned i2c_num);
Marek Vasutf399f632013-04-21 05:52:26 +000055void enable_nfc_clk(unsigned char enable);
Wolfgang Grandegger5d2947a2011-11-11 14:03:34 +010056
Stefano Babic64fdf452010-01-20 18:19:32 +010057#endif /* __ASM_ARCH_CLOCK_H */