arch/arm/mach-s5pv310/mach-universal_c210.c

   1 /* linux/arch/arm/mach-s5pv310/mach-universal_c210.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License version 2 as
   7  * published by the Free Software Foundation.
   8 */
   9
  10 #include <linux/platform_device.h>
  11 #include <linux/serial_core.h>
  12 #include <linux/input.h>
  13 #include <linux/i2c.h>
  14 #include <linux/gpio_keys.h>
  15 #include <linux/gpio.h>
  16
  17 #include <asm/mach/arch.h>
  18 #include <asm/mach-types.h>
  19
  20 #include <plat/regs-serial.h>
  21 #include <plat/s5pv310.h>
  22 #include <plat/cpu.h>
  23 #include <plat/devs.h>
  24
  25 #include <mach/map.h>
  26
  27 /* Following are default values for UCON, ULCON and UFCON UART registers */
  28 #define UNIVERSAL_UCON_DEFAULT  (S3C2410_UCON_TXILEVEL |        \
  29                                  S3C2410_UCON_RXILEVEL |        \
  30                                  S3C2410_UCON_TXIRQMODE |       \
  31                                  S3C2410_UCON_RXIRQMODE |       \
  32                                  S3C2410_UCON_RXFIFO_TOI |      \
  33                                  S3C2443_UCON_RXERR_IRQEN)
  34
  35 #define UNIVERSAL_ULCON_DEFAULT S3C2410_LCON_CS8
  36
  37 #define UNIVERSAL_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE |       \
  38                                  S5PV210_UFCON_TXTRIG256 |      \
  39                                  S5PV210_UFCON_RXTRIG256)
  40
  41 static struct s3c2410_uartcfg universal_uartcfgs[] __initdata = {
  42         [0] = {
  43                 .hwport         = 0,
  44                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  45                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  46                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  47         },
  48         [1] = {
  49                 .hwport         = 1,
  50                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  51                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  52                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  53         },
  54         [2] = {
  55                 .hwport         = 2,
  56                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  57                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  58                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  59         },
  60         [3] = {
  61                 .hwport         = 3,
  62                 .ucon           = UNIVERSAL_UCON_DEFAULT,
  63                 .ulcon          = UNIVERSAL_ULCON_DEFAULT,
  64                 .ufcon          = UNIVERSAL_UFCON_DEFAULT,
  65         },
  66 };
  67
  68 static struct gpio_keys_button universal_gpio_keys_tables[] = {
  69         {
  70                 .code                   = KEY_VOLUMEUP,
  71                 .gpio                   = S5PV310_GPX2(0),      /* XEINT16 */
  72                 .desc                   = "gpio-keys: KEY_VOLUMEUP",
  73                 .type                   = EV_KEY,
  74                 .active_low             = 1,
  75                 .debounce_interval      = 1,
  76         }, {
  77                 .code                   = KEY_VOLUMEDOWN,
  78                 .gpio                   = S5PV310_GPX2(1),      /* XEINT17 */
  79                 .desc                   = "gpio-keys: KEY_VOLUMEDOWN",
  80                 .type                   = EV_KEY,
  81                 .active_low             = 1,
  82                 .debounce_interval      = 1,
  83         }, {
  84                 .code                   = KEY_CONFIG,
  85                 .gpio                   = S5PV310_GPX2(2),      /* XEINT18 */
  86                 .desc                   = "gpio-keys: KEY_CONFIG",
  87                 .type                   = EV_KEY,
  88                 .active_low             = 1,
  89                 .debounce_interval      = 1,
  90         }, {
  91                 .code                   = KEY_CAMERA,
  92                 .gpio                   = S5PV310_GPX2(3),      /* XEINT19 */
  93                 .desc                   = "gpio-keys: KEY_CAMERA",
  94                 .type                   = EV_KEY,
  95                 .active_low             = 1,
  96                 .debounce_interval      = 1,
  97         }, {
  98                 .code                   = KEY_OK,
  99                 .gpio                   = S5PV310_GPX3(5),      /* XEINT29 */
 100                 .desc                   = "gpio-keys: KEY_OK",
 101                 .type                   = EV_KEY,
 102                 .active_low             = 1,
 103                 .debounce_interval      = 1,
 104         },
 105 };
 106
 107 static struct gpio_keys_platform_data universal_gpio_keys_data = {
 108         .buttons        = universal_gpio_keys_tables,
 109         .nbuttons       = ARRAY_SIZE(universal_gpio_keys_tables),
 110 };
 111
 112 static struct platform_device universal_gpio_keys = {
 113         .name                   = "gpio-keys",
 114         .dev                    = {
 115                 .platform_data  = &universal_gpio_keys_data,
 116         },
 117 };
 118
 119 /* I2C0 */
 120 static struct i2c_board_info i2c0_devs[] __initdata = {
 121         /* Camera, To be updated */
 122 };
 123
 124 /* I2C1 */
 125 static struct i2c_board_info i2c1_devs[] __initdata = {
 126         /* Gyro, To be updated */
 127 };
 128
 129 static struct platform_device *universal_devices[] __initdata = {
 130         &universal_gpio_keys,
 131         &s5p_device_onenand,
 132 };
 133
 134 static void __init universal_map_io(void)
 135 {
 136         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 137         s3c24xx_init_clocks(24000000);
 138         s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs));
 139 }
 140
 141 static void __init universal_machine_init(void)
 142 {
 143         i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs));
 144         i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs));
 145
 146         /* Last */
 147         platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices));
 148 }
 149
 150 MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210")
 151         /* Maintainer: Kyungmin Park <kyungmin.park@samsung.com> */
 152         .boot_params    = S5P_PA_SDRAM + 0x100,
 153         .init_irq       = s5pv310_init_irq,
 154         .map_io         = universal_map_io,
 155         .init_machine   = universal_machine_init,
 156         .timer          = &s5pv310_timer,
 157 MACHINE_END