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 */ 27 extern struct platform_device lpc32xx_watchdog_device; 28 extern struct platform_device lpc32xx_i2c0_device; 29 extern struct platform_device lpc32xx_i2c1_device; 30 extern struct platform_device lpc32xx_i2c2_device; 31 extern struct platform_device lpc32xx_tsc_device; 32 extern struct platform_device lpc32xx_rtc_device; 33 34 /* 35 * Other arch specific structures and functions 36 */ 37 extern struct sys_timer lpc32xx_timer; 38 extern void __init lpc32xx_init_irq(void); 39 extern void __init lpc32xx_map_io(void); 40 extern void __init lpc32xx_serial_init(void); 41 extern void __init lpc32xx_gpio_init(void); 42 extern void lpc23xx_restart(char, const char *); 43 44 45 /* 46 * Structure used for setting up and querying the PLLS 47 */ 48 struct 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 58 extern int clk_is_sysclk_mainosc(void); 59 extern u32 clk_check_pll_setup(u32 ifreq, struct clk_pll_setup *pllsetup); 60 extern u32 clk_get_pllrate_from_reg(u32 inputclk, u32 regval); 61 extern u32 clk_get_pclk_div(void); 62 63 /* 64 * Returns the LPC32xx unique 128-bit chip ID 65 */ 66 extern void lpc32xx_get_uid(u32 devid[4]); 67 68 extern void lpc32xx_watchdog_reset(void); 69 extern u32 lpc32xx_return_iram_size(void); 70 71 /* 72 * Pointers used for sizing and copying suspend function data 73 */ 74 extern int lpc32xx_sys_suspend(void); 75 extern int lpc32xx_sys_suspend_sz; 76 77 #endif 78