arch/arm/mach-s5pc100/mach-smdkc100.c

   1 /* linux/arch/arm/mach-s5pc100/mach-smdkc100.c
   2  *
   3  * Copyright 2009 Samsung Electronics Co.
   4  * Author: Byungho Min <bhmin@samsung.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  *
  10 */
  11
  12 #include <linux/kernel.h>
  13 #include <linux/types.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/list.h>
  16 #include <linux/timer.h>
  17 #include <linux/init.h>
  18 #include <linux/serial_core.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/io.h>
  21 #include <linux/gpio.h>
  22 #include <linux/i2c.h>
  23 #include <linux/fb.h>
  24 #include <linux/delay.h>
  25 #include <linux/input.h>
  26 #include <linux/pwm_backlight.h>
  27
  28 #include <asm/mach/arch.h>
  29 #include <asm/mach/map.h>
  30
  31 #include <mach/map.h>
  32 #include <mach/regs-fb.h>
  33 #include <mach/regs-gpio.h>
  34
  35 #include <video/platform_lcd.h>
  36
  37 #include <asm/irq.h>
  38 #include <asm/mach-types.h>
  39
  40 #include <plat/regs-serial.h>
  41 #include <plat/gpio-cfg.h>
  42
  43 #include <plat/clock.h>
  44 #include <plat/devs.h>
  45 #include <plat/cpu.h>
  46 #include <plat/s5pc100.h>
  47 #include <plat/fb.h>
  48 #include <plat/iic.h>
  49 #include <plat/ata.h>
  50 #include <plat/adc.h>
  51 #include <plat/keypad.h>
  52 #include <plat/ts.h>
  53 #include <plat/audio.h>
  54
  55 /* Following are default values for UCON, ULCON and UFCON UART registers */
  56 #define SMDKC100_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  57                                  S3C2410_UCON_RXILEVEL |        \
  58                                  S3C2410_UCON_TXIRQMODE |       \
  59                                  S3C2410_UCON_RXIRQMODE |       \
  60                                  S3C2410_UCON_RXFIFO_TOI |      \
  61                                  S3C2443_UCON_RXERR_IRQEN)
  62
  63 #define SMDKC100_ULCON_DEFAULT  S3C2410_LCON_CS8
  64
  65 #define SMDKC100_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  66                                  S3C2440_UFCON_RXTRIG8 |        \
  67                                  S3C2440_UFCON_TXTRIG16)
  68
  69 static struct s3c2410_uartcfg smdkc100_uartcfgs[] __initdata = {
  70         [0] = {
  71                 .hwport      = 0,
  72                 .flags       = 0,
  73                 .ucon        = SMDKC100_UCON_DEFAULT,
  74                 .ulcon       = SMDKC100_ULCON_DEFAULT,
  75                 .ufcon       = SMDKC100_UFCON_DEFAULT,
  76         },
  77         [1] = {
  78                 .hwport      = 1,
  79                 .flags       = 0,
  80                 .ucon        = SMDKC100_UCON_DEFAULT,
  81                 .ulcon       = SMDKC100_ULCON_DEFAULT,
  82                 .ufcon       = SMDKC100_UFCON_DEFAULT,
  83         },
  84         [2] = {
  85                 .hwport      = 2,
  86                 .flags       = 0,
  87                 .ucon        = SMDKC100_UCON_DEFAULT,
  88                 .ulcon       = SMDKC100_ULCON_DEFAULT,
  89                 .ufcon       = SMDKC100_UFCON_DEFAULT,
  90         },
  91         [3] = {
  92                 .hwport      = 3,
  93                 .flags       = 0,
  94                 .ucon        = SMDKC100_UCON_DEFAULT,
  95                 .ulcon       = SMDKC100_ULCON_DEFAULT,
  96                 .ufcon       = SMDKC100_UFCON_DEFAULT,
  97         },
  98 };
  99
 100 /* I2C0 */
 101 static struct i2c_board_info i2c_devs0[] __initdata = {
 102         {I2C_BOARD_INFO("wm8580", 0x1b),},
 103 };
 104
 105 /* I2C1 */
 106 static struct i2c_board_info i2c_devs1[] __initdata = {
 107 };
 108
 109 /* LCD power controller */
 110 static void smdkc100_lcd_power_set(struct plat_lcd_data *pd,
 111                                    unsigned int power)
 112 {
 113         if (power) {
 114                 /* module reset */
 115                 gpio_direction_output(S5PC100_GPH0(6), 1);
 116                 mdelay(100);
 117                 gpio_direction_output(S5PC100_GPH0(6), 0);
 118                 mdelay(10);
 119                 gpio_direction_output(S5PC100_GPH0(6), 1);
 120                 mdelay(10);
 121         }
 122 }
 123
 124 static struct plat_lcd_data smdkc100_lcd_power_data = {
 125         .set_power      = smdkc100_lcd_power_set,
 126 };
 127
 128 static struct platform_device smdkc100_lcd_powerdev = {
 129         .name                   = "platform-lcd",
 130         .dev.parent             = &s3c_device_fb.dev,
 131         .dev.platform_data      = &smdkc100_lcd_power_data,
 132 };
 133
 134 /* Frame Buffer */
 135 static struct s3c_fb_pd_win smdkc100_fb_win0 = {
 136         /* this is to ensure we use win0 */
 137         .win_mode       = {
 138                 .left_margin    = 8,
 139                 .right_margin   = 13,
 140                 .upper_margin   = 7,
 141                 .lower_margin   = 5,
 142                 .hsync_len      = 3,
 143                 .vsync_len      = 1,
 144                 .xres           = 800,
 145                 .yres           = 480,
 146                 .refresh        = 80,
 147         },
 148         .max_bpp        = 32,
 149         .default_bpp    = 16,
 150 };
 151
 152 static struct s3c_fb_platdata smdkc100_lcd_pdata __initdata = {
 153         .win[0]         = &smdkc100_fb_win0,
 154         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 155         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 156         .setup_gpio     = s5pc100_fb_gpio_setup_24bpp,
 157 };
 158
 159 static struct s3c_ide_platdata smdkc100_ide_pdata __initdata = {
 160         .setup_gpio     = s5pc100_ide_setup_gpio,
 161 };
 162
 163 static uint32_t smdkc100_keymap[] __initdata = {
 164         /* KEY(row, col, keycode) */
 165         KEY(0, 3, KEY_1), KEY(0, 4, KEY_2), KEY(0, 5, KEY_3),
 166         KEY(0, 6, KEY_4), KEY(0, 7, KEY_5),
 167         KEY(1, 3, KEY_A), KEY(1, 4, KEY_B), KEY(1, 5, KEY_C),
 168         KEY(1, 6, KEY_D), KEY(1, 7, KEY_E)
 169 };
 170
 171 static struct matrix_keymap_data smdkc100_keymap_data __initdata = {
 172         .keymap         = smdkc100_keymap,
 173         .keymap_size    = ARRAY_SIZE(smdkc100_keymap),
 174 };
 175
 176 static struct samsung_keypad_platdata smdkc100_keypad_data __initdata = {
 177         .keymap_data    = &smdkc100_keymap_data,
 178         .rows           = 2,
 179         .cols           = 8,
 180 };
 181
 182 static int smdkc100_backlight_init(struct device *dev)
 183 {
 184         int ret;
 185
 186         ret = gpio_request(S5PC100_GPD(0), "Backlight");
 187         if (ret) {
 188                 printk(KERN_ERR "failed to request GPF for PWM-OUT0\n");
 189                 return ret;
 190         }
 191
 192         /* Configure GPIO pin with S5PC100_GPD_TOUT_0 */
 193         s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_SFN(2));
 194
 195         return 0;
 196 }
 197
 198 static void smdkc100_backlight_exit(struct device *dev)
 199 {
 200         s3c_gpio_cfgpin(S5PC100_GPD(0), S3C_GPIO_OUTPUT);
 201         gpio_free(S5PC100_GPD(0));
 202 }
 203
 204 static struct platform_pwm_backlight_data smdkc100_backlight_data = {
 205         .pwm_id         = 0,
 206         .max_brightness = 255,
 207         .dft_brightness = 255,
 208         .pwm_period_ns  = 78770,
 209         .init           = smdkc100_backlight_init,
 210         .exit           = smdkc100_backlight_exit,
 211 };
 212
 213 static struct platform_device smdkc100_backlight_device = {
 214         .name           = "pwm-backlight",
 215         .dev            = {
 216                 .parent         = &s3c_device_timer[0].dev,
 217                 .platform_data  = &smdkc100_backlight_data,
 218         },
 219 };
 220
 221 static struct platform_device *smdkc100_devices[] __initdata = {
 222         &s3c_device_adc,
 223         &s3c_device_cfcon,
 224         &s3c_device_i2c0,
 225         &s3c_device_i2c1,
 226         &s3c_device_fb,
 227         &s3c_device_hsmmc0,
 228         &s3c_device_hsmmc1,
 229         &s3c_device_hsmmc2,
 230         &s3c_device_ts,
 231         &s3c_device_wdt,
 232         &smdkc100_lcd_powerdev,
 233         &samsung_asoc_dma,
 234         &s5pc100_device_iis0,
 235         &samsung_device_keypad,
 236         &s5pc100_device_ac97,
 237         &s3c_device_rtc,
 238         &s5p_device_fimc0,
 239         &s5p_device_fimc1,
 240         &s5p_device_fimc2,
 241         &s5pc100_device_spdif,
 242         &s3c_device_timer[0],
 243         &smdkc100_backlight_device,
 244 };
 245
 246 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 247         .delay                  = 10000,
 248         .presc                  = 49,
 249         .oversampling_shift     = 2,
 250 };
 251
 252 static void __init smdkc100_map_io(void)
 253 {
 254         s5p_init_io(NULL, 0, S5P_VA_CHIPID);
 255         s3c24xx_init_clocks(12000000);
 256         s3c24xx_init_uarts(smdkc100_uartcfgs, ARRAY_SIZE(smdkc100_uartcfgs));
 257 }
 258
 259 static void __init smdkc100_machine_init(void)
 260 {
 261         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 262
 263         /* I2C */
 264         s3c_i2c0_set_platdata(NULL);
 265         s3c_i2c1_set_platdata(NULL);
 266         i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
 267         i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
 268
 269         s3c_fb_set_platdata(&smdkc100_lcd_pdata);
 270         s3c_ide_set_platdata(&smdkc100_ide_pdata);
 271
 272         samsung_keypad_set_platdata(&smdkc100_keypad_data);
 273
 274         s5pc100_spdif_setup_gpio(S5PC100_SPDIF_GPD);
 275
 276         /* LCD init */
 277         gpio_request(S5PC100_GPH0(6), "GPH0");
 278         smdkc100_lcd_power_set(&smdkc100_lcd_power_data, 0);
 279         platform_add_devices(smdkc100_devices, ARRAY_SIZE(smdkc100_devices));
 280 }
 281
 282 MACHINE_START(SMDKC100, "SMDKC100")
 283         /* Maintainer: Byungho Min <bhmin@samsung.com> */
 284         .boot_params    = S5P_PA_SDRAM + 0x100,
 285         .init_irq       = s5pc100_init_irq,
 286         .map_io         = smdkc100_map_io,
 287         .init_machine   = smdkc100_machine_init,
 288         .timer          = &s3c24xx_timer,
 289 MACHINE_END