arch/arm/mach-s5p64x0/mach-smdk6450.c

   1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6450.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *              http://www.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 #include <linux/kernel.h>
  12 #include <linux/types.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/list.h>
  15 #include <linux/timer.h>
  16 #include <linux/delay.h>
  17 #include <linux/init.h>
  18 #include <linux/i2c.h>
  19 #include <linux/serial_core.h>
  20 #include <linux/serial_s3c.h>
  21 #include <linux/platform_device.h>
  22 #include <linux/io.h>
  23 #include <linux/module.h>
  24 #include <linux/clk.h>
  25 #include <linux/gpio.h>
  26 #include <linux/pwm_backlight.h>
  27 #include <linux/fb.h>
  28 #include <linux/mmc/host.h>
  29
  30 #include <video/platform_lcd.h>
  31 #include <video/samsung_fimd.h>
  32
  33 #include <asm/mach/arch.h>
  34 #include <asm/mach/map.h>
  35 #include <asm/irq.h>
  36 #include <asm/mach-types.h>
  37
  38 #include <mach/hardware.h>
  39 #include <mach/map.h>
  40 #include <mach/regs-clock.h>
  41 #include <mach/regs-gpio.h>
  42
  43 #include <plat/gpio-cfg.h>
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47 #include <linux/platform_data/i2c-s3c2410.h>
  48 #include <plat/pll.h>
  49 #include <plat/adc.h>
  50 #include <linux/platform_data/touchscreen-s3c2410.h>
  51 #include <plat/samsung-time.h>
  52 #include <plat/backlight.h>
  53 #include <plat/fb.h>
  54 #include <plat/sdhci.h>
  55
  56 #include "common.h"
  57 #include "i2c.h"
  58
  59 #define SMDK6450_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  60                                 S3C2410_UCON_RXILEVEL |         \
  61                                 S3C2410_UCON_TXIRQMODE |        \
  62                                 S3C2410_UCON_RXIRQMODE |        \
  63                                 S3C2410_UCON_RXFIFO_TOI |       \
  64                                 S3C2443_UCON_RXERR_IRQEN)
  65
  66 #define SMDK6450_ULCON_DEFAULT  S3C2410_LCON_CS8
  67
  68 #define SMDK6450_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  69                                 S3C2440_UFCON_TXTRIG16 |        \
  70                                 S3C2410_UFCON_RXTRIG8)
  71
  72 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
  73         [0] = {
  74                 .hwport         = 0,
  75                 .flags          = 0,
  76                 .ucon           = SMDK6450_UCON_DEFAULT,
  77                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  78                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  79         },
  80         [1] = {
  81                 .hwport         = 1,
  82                 .flags          = 0,
  83                 .ucon           = SMDK6450_UCON_DEFAULT,
  84                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  85                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  86         },
  87         [2] = {
  88                 .hwport         = 2,
  89                 .flags          = 0,
  90                 .ucon           = SMDK6450_UCON_DEFAULT,
  91                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  92                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  93         },
  94         [3] = {
  95                 .hwport         = 3,
  96                 .flags          = 0,
  97                 .ucon           = SMDK6450_UCON_DEFAULT,
  98                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  99                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 100         },
 101 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
 102         [4] = {
 103                 .hwport         = 4,
 104                 .flags          = 0,
 105                 .ucon           = SMDK6450_UCON_DEFAULT,
 106                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 107                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 108         },
 109 #endif
 110 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
 111         [5] = {
 112                 .hwport         = 5,
 113                 .flags          = 0,
 114                 .ucon           = SMDK6450_UCON_DEFAULT,
 115                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 116                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 117         },
 118 #endif
 119 };
 120
 121 /* Frame Buffer */
 122 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
 123         .max_bpp        = 32,
 124         .default_bpp    = 24,
 125         .xres           = 800,
 126         .yres           = 480,
 127 };
 128
 129 static struct fb_videomode smdk6450_lcd_timing = {
 130         .left_margin    = 8,
 131         .right_margin   = 13,
 132         .upper_margin   = 7,
 133         .lower_margin   = 5,
 134         .hsync_len      = 3,
 135         .vsync_len      = 1,
 136         .xres           = 800,
 137         .yres           = 480,
 138 };
 139
 140 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
 141         .win[0]         = &smdk6450_fb_win0,
 142         .vtiming        = &smdk6450_lcd_timing,
 143         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 144         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 145         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 146 };
 147
 148 /* LCD power controller */
 149 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
 150                                          unsigned int power)
 151 {
 152         int err;
 153
 154         if (power) {
 155                 err = gpio_request(S5P6450_GPN(5), "GPN");
 156                 if (err) {
 157                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 158                         return;
 159                 }
 160
 161                 gpio_direction_output(S5P6450_GPN(5), 1);
 162                 gpio_set_value(S5P6450_GPN(5), 0);
 163                 gpio_set_value(S5P6450_GPN(5), 1);
 164                 gpio_free(S5P6450_GPN(5));
 165         }
 166 }
 167
 168 static struct plat_lcd_data smdk6450_lcd_power_data = {
 169         .set_power      = smdk6450_lte480_reset_power,
 170 };
 171
 172 static struct platform_device smdk6450_lcd_lte480wv = {
 173         .name                   = "platform-lcd",
 174         .dev.parent             = &s3c_device_fb.dev,
 175         .dev.platform_data      = &smdk6450_lcd_power_data,
 176 };
 177
 178 static struct platform_device *smdk6450_devices[] __initdata = {
 179         &s3c_device_adc,
 180         &s3c_device_rtc,
 181         &s3c_device_i2c0,
 182         &s3c_device_i2c1,
 183         &samsung_device_pwm,
 184         &s3c_device_ts,
 185         &s3c_device_wdt,
 186         &s5p6450_device_iis0,
 187         &s3c_device_fb,
 188         &smdk6450_lcd_lte480wv,
 189         &s3c_device_hsmmc0,
 190         &s3c_device_hsmmc1,
 191         &s3c_device_hsmmc2,
 192         /* s5p6450_device_spi0 will be added */
 193 };
 194
 195 static struct s3c_sdhci_platdata smdk6450_hsmmc0_pdata __initdata = {
 196         .cd_type        = S3C_SDHCI_CD_NONE,
 197 };
 198
 199 static struct s3c_sdhci_platdata smdk6450_hsmmc1_pdata __initdata = {
 200         .cd_type        = S3C_SDHCI_CD_NONE,
 201 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
 202         .max_width      = 8,
 203         .host_caps      = MMC_CAP_8_BIT_DATA,
 204 #endif
 205 };
 206
 207 static struct s3c_sdhci_platdata smdk6450_hsmmc2_pdata __initdata = {
 208         .cd_type        = S3C_SDHCI_CD_NONE,
 209 };
 210
 211 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
 212         .flags          = 0,
 213         .slave_addr     = 0x10,
 214         .frequency      = 100*1000,
 215         .sda_delay      = 100,
 216         .cfg_gpio       = s5p6450_i2c0_cfg_gpio,
 217 };
 218
 219 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
 220         .flags          = 0,
 221         .bus_num        = 1,
 222         .slave_addr     = 0x10,
 223         .frequency      = 100*1000,
 224         .sda_delay      = 100,
 225         .cfg_gpio       = s5p6450_i2c1_cfg_gpio,
 226 };
 227
 228 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
 229         { I2C_BOARD_INFO("wm8580", 0x1b), },
 230         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung KS24C080C EEPROM */
 231 };
 232
 233 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
 234         { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
 235 };
 236
 237 /* LCD Backlight data */
 238 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
 239         .no = S5P6450_GPF(15),
 240         .func = S3C_GPIO_SFN(2),
 241 };
 242
 243 static struct platform_pwm_backlight_data smdk6450_bl_data = {
 244         .pwm_id = 1,
 245         .enable_gpio = -1,
 246 };
 247
 248 static void __init smdk6450_map_io(void)
 249 {
 250         s5p64x0_init_io(NULL, 0);
 251         s3c24xx_init_clocks(19200000);
 252         s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 253         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 254 }
 255
 256 static void s5p6450_set_lcd_interface(void)
 257 {
 258         unsigned int cfg;
 259
 260         /* select TFT LCD type (RGB I/F) */
 261         cfg = __raw_readl(S5P64X0_SPCON0);
 262         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 263         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 264         __raw_writel(cfg, S5P64X0_SPCON0);
 265 }
 266
 267 static void __init smdk6450_machine_init(void)
 268 {
 269         s3c24xx_ts_set_platdata(NULL);
 270
 271         s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
 272         s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
 273         i2c_register_board_info(0, smdk6450_i2c_devs0,
 274                         ARRAY_SIZE(smdk6450_i2c_devs0));
 275         i2c_register_board_info(1, smdk6450_i2c_devs1,
 276                         ARRAY_SIZE(smdk6450_i2c_devs1));
 277
 278         s5p6450_set_lcd_interface();
 279         s3c_fb_set_platdata(&smdk6450_lcd_pdata);
 280
 281         s3c_sdhci0_set_platdata(&smdk6450_hsmmc0_pdata);
 282         s3c_sdhci1_set_platdata(&smdk6450_hsmmc1_pdata);
 283         s3c_sdhci2_set_platdata(&smdk6450_hsmmc2_pdata);
 284
 285         platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
 286
 287         samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
 288 }
 289
 290 MACHINE_START(SMDK6450, "SMDK6450")
 291         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 292         .atag_offset    = 0x100,
 293
 294         .init_irq       = s5p6450_init_irq,
 295         .map_io         = smdk6450_map_io,
 296         .init_machine   = smdk6450_machine_init,
 297         .init_time      = samsung_timer_init,
 298         .restart        = s5p64x0_restart,
 299 MACHINE_END