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Kevin Wellsfc982e12010-07-27 08:42:46 -07001/*
2 * arch/arm/mach-lpc32xx/common.h
3 *
4 * Author: Kevin Wells <kevin.wells@nxp.com>
5 *
6 * Copyright (C) 2009-2010 NXP Semiconductors
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (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
19#ifndef __LPC32XX_COMMON_H
20#define __LPC32XX_COMMON_H
21
22#include <linux/platform_device.h>
23
24/*
25 * Arch specific platform device structures
26 */
27extern struct platform_device lpc32xx_watchdog_device;
28extern struct platform_device lpc32xx_i2c0_device;
29extern struct platform_device lpc32xx_i2c1_device;
30extern struct platform_device lpc32xx_i2c2_device;
Wolfram Sang7db2b3772011-03-21 16:14:43 +010031extern struct platform_device lpc32xx_tsc_device;
Wolfram Sang1c72f9e2011-03-28 16:51:35 +020032extern struct platform_device lpc32xx_rtc_device;
Kevin Wellsfc982e12010-07-27 08:42:46 -070033
34/*
35 * Other arch specific structures and functions
36 */
37extern struct sys_timer lpc32xx_timer;
38extern void __init lpc32xx_init_irq(void);
39extern void __init lpc32xx_map_io(void);
40extern void __init lpc32xx_serial_init(void);
41extern void __init lpc32xx_gpio_init(void);
Russell Kingb23fcd92011-11-05 12:17:40 +000042extern void lpc23xx_restart(char, const char *);
43
Kevin Wellsfc982e12010-07-27 08:42:46 -070044
45/*
46 * Structure used for setting up and querying the PLLS
47 */
48struct clk_pll_setup {
49 int analog_on;
50 int cco_bypass_b15;
51 int direct_output_b14;
52 int fdbk_div_ctrl_b13;
53 int pll_p;
54 int pll_n;
55 u32 pll_m;
56};
57
58extern int clk_is_sysclk_mainosc(void);
59extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup);
60extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval);
61extern u32 clk_get_pclk_div(void);
62
63/*
64 * Returns the LPC32xx unique 128-bit chip ID
65 */
66extern void lpc32xx_get_uid(u32 devid[4]);
67
Kevin Wellsfc982e12010-07-27 08:42:46 -070068extern u32 lpc32xx_return_iram_size(void);
69
70/*
71 * Pointers used for sizing and copying suspend function data
72 */
73extern int lpc32xx_sys_suspend(void);
74extern int lpc32xx_sys_suspend_sz;
75
76#endif