1/* 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; 31 32/* 33 * Other arch specific structures and functions 34 */ 35extern struct sys_timer lpc32xx_timer; 36extern void __init lpc32xx_init_irq(void); 37extern void __init lpc32xx_map_io(void); 38extern void __init lpc32xx_serial_init(void); 39extern void __init lpc32xx_gpio_init(void); 40 41/* 42 * Structure used for setting up and querying the PLLS 43 */ 44struct clk_pll_setup { 45 int analog_on; 46 int cco_bypass_b15; 47 int direct_output_b14; 48 int fdbk_div_ctrl_b13; 49 int pll_p; 50 int pll_n; 51 u32 pll_m; 52}; 53 54extern int clk_is_sysclk_mainosc(void); 55extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup); 56extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval); 57extern u32 clk_get_pclk_div(void); 58 59/* 60 * Returns the LPC32xx unique 128-bit chip ID 61 */ 62extern void lpc32xx_get_uid(u32 devid[4]); 63 64extern void lpc32xx_watchdog_reset(void); 65extern u32 lpc32xx_return_iram_size(void); 66 67/* 68 * Pointers used for sizing and copying suspend function data 69 */ 70extern int lpc32xx_sys_suspend(void); 71extern int lpc32xx_sys_suspend_sz; 72 73#endif 74