LXR linux/arch/arm/mach-lpc32xx/common.h

   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