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/platform_device.h>
  21 #include <linux/io.h>
  22 #include <linux/module.h>
  23 #include <linux/clk.h>
  24 #include <linux/gpio.h>
  25 #include <linux/pwm_backlight.h>
  26 #include <linux/fb.h>
  27 #include <linux/mmc/host.h>
  28
  29 #include <video/platform_lcd.h>
  30
  31 #include <asm/hardware/vic.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/map.h>
  34 #include <asm/irq.h>
  35 #include <asm/mach-types.h>
  36
  37 #include <mach/hardware.h>
  38 #include <mach/map.h>
  39 #include <mach/regs-clock.h>
  40 #include <mach/i2c.h>
  41 #include <mach/regs-gpio.h>
  42
  43 #include <plat/regs-serial.h>
  44 #include <plat/gpio-cfg.h>
  45 #include <plat/clock.h>
  46 #include <plat/devs.h>
  47 #include <plat/cpu.h>
  48 #include <plat/iic.h>
  49 #include <plat/pll.h>
  50 #include <plat/adc.h>
  51 #include <plat/ts.h>
  52 #include <plat/s5p-time.h>
  53 #include <plat/backlight.h>
  54 #include <plat/fb.h>
  55 #include <plat/regs-fb.h>
  56 #include <plat/sdhci.h>
  57
  58 #include "common.h"
  59
  60 #define SMDK6450_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  61                                 S3C2410_UCON_RXILEVEL |         \
  62                                 S3C2410_UCON_TXIRQMODE |        \
  63                                 S3C2410_UCON_RXIRQMODE |        \
  64                                 S3C2410_UCON_RXFIFO_TOI |       \
  65                                 S3C2443_UCON_RXERR_IRQEN)
  66
  67 #define SMDK6450_ULCON_DEFAULT  S3C2410_LCON_CS8
  68
  69 #define SMDK6450_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  70                                 S3C2440_UFCON_TXTRIG16 |        \
  71                                 S3C2410_UFCON_RXTRIG8)
  72
  73 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
  74         [0] = {
  75                 .hwport         = 0,
  76                 .flags          = 0,
  77                 .ucon           = SMDK6450_UCON_DEFAULT,
  78                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  79                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  80         },
  81         [1] = {
  82                 .hwport         = 1,
  83                 .flags          = 0,
  84                 .ucon           = SMDK6450_UCON_DEFAULT,
  85                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  86                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  87         },
  88         [2] = {
  89                 .hwport         = 2,
  90                 .flags          = 0,
  91                 .ucon           = SMDK6450_UCON_DEFAULT,
  92                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  93                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  94         },
  95         [3] = {
  96                 .hwport         = 3,
  97                 .flags          = 0,
  98                 .ucon           = SMDK6450_UCON_DEFAULT,
  99                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 100                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 101         },
 102 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
 103         [4] = {
 104                 .hwport         = 4,
 105                 .flags          = 0,
 106                 .ucon           = SMDK6450_UCON_DEFAULT,
 107                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 108                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 109         },
 110 #endif
 111 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
 112         [5] = {
 113                 .hwport         = 5,
 114                 .flags          = 0,
 115                 .ucon           = SMDK6450_UCON_DEFAULT,
 116                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 117                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 118         },
 119 #endif
 120 };
 121
 122 /* Frame Buffer */
 123 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
 124         .win_mode       = {
 125                 .left_margin    = 8,
 126                 .right_margin   = 13,
 127                 .upper_margin   = 7,
 128                 .lower_margin   = 5,
 129                 .hsync_len      = 3,
 130                 .vsync_len      = 1,
 131                 .xres           = 800,
 132                 .yres           = 480,
 133         },
 134         .max_bpp        = 32,
 135         .default_bpp    = 24,
 136 };
 137
 138 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
 139         .win[0]         = &smdk6450_fb_win0,
 140         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 141         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 142         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 143 };
 144
 145 /* LCD power controller */
 146 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
 147                                          unsigned int power)
 148 {
 149         int err;
 150
 151         if (power) {
 152                 err = gpio_request(S5P6450_GPN(5), "GPN");
 153                 if (err) {
 154                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 155                         return;
 156                 }
 157
 158                 gpio_direction_output(S5P6450_GPN(5), 1);
 159                 gpio_set_value(S5P6450_GPN(5), 0);
 160                 gpio_set_value(S5P6450_GPN(5), 1);
 161                 gpio_free(S5P6450_GPN(5));
 162         }
 163 }
 164
 165 static struct plat_lcd_data smdk6450_lcd_power_data = {
 166         .set_power      = smdk6450_lte480_reset_power,
 167 };
 168
 169 static struct platform_device smdk6450_lcd_lte480wv = {
 170         .name                   = "platform-lcd",
 171         .dev.parent             = &s3c_device_fb.dev,
 172         .dev.platform_data      = &smdk6450_lcd_power_data,
 173 };
 174
 175 static struct platform_device *smdk6450_devices[] __initdata = {
 176         &s3c_device_adc,
 177         &s3c_device_rtc,
 178         &s3c_device_i2c0,
 179         &s3c_device_i2c1,
 180         &s3c_device_ts,
 181         &s3c_device_wdt,
 182         &samsung_asoc_dma,
 183         &s5p6450_device_iis0,
 184         &s3c_device_fb,
 185         &smdk6450_lcd_lte480wv,
 186         &s3c_device_hsmmc0,
 187         &s3c_device_hsmmc1,
 188         &s3c_device_hsmmc2,
 189         /* s5p6450_device_spi0 will be added */
 190 };
 191
 192 static struct s3c_sdhci_platdata smdk6450_hsmmc0_pdata __initdata = {
 193         .cd_type        = S3C_SDHCI_CD_NONE,
 194 };
 195
 196 static struct s3c_sdhci_platdata smdk6450_hsmmc1_pdata __initdata = {
 197         .cd_type        = S3C_SDHCI_CD_NONE,
 198 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
 199         .max_width      = 8,
 200         .host_caps      = MMC_CAP_8_BIT_DATA,
 201 #endif
 202 };
 203
 204 static struct s3c_sdhci_platdata smdk6450_hsmmc2_pdata __initdata = {
 205         .cd_type        = S3C_SDHCI_CD_NONE,
 206 };
 207
 208 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
 209         .flags          = 0,
 210         .slave_addr     = 0x10,
 211         .frequency      = 100*1000,
 212         .sda_delay      = 100,
 213         .cfg_gpio       = s5p6450_i2c0_cfg_gpio,
 214 };
 215
 216 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
 217         .flags          = 0,
 218         .bus_num        = 1,
 219         .slave_addr     = 0x10,
 220         .frequency      = 100*1000,
 221         .sda_delay      = 100,
 222         .cfg_gpio       = s5p6450_i2c1_cfg_gpio,
 223 };
 224
 225 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
 226         { I2C_BOARD_INFO("wm8580", 0x1b), },
 227         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung KS24C080C EEPROM */
 228 };
 229
 230 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
 231         { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
 232 };
 233
 234 /* LCD Backlight data */
 235 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
 236         .no = S5P6450_GPF(15),
 237         .func = S3C_GPIO_SFN(2),
 238 };
 239
 240 static struct platform_pwm_backlight_data smdk6450_bl_data = {
 241         .pwm_id = 1,
 242 };
 243
 244 static void __init smdk6450_map_io(void)
 245 {
 246         s5p64x0_init_io(NULL, 0);
 247         s3c24xx_init_clocks(19200000);
 248         s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 249         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 250 }
 251
 252 static void s5p6450_set_lcd_interface(void)
 253 {
 254         unsigned int cfg;
 255
 256         /* select TFT LCD type (RGB I/F) */
 257         cfg = __raw_readl(S5P64X0_SPCON0);
 258         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 259         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 260         __raw_writel(cfg, S5P64X0_SPCON0);
 261 }
 262
 263 static void __init smdk6450_machine_init(void)
 264 {
 265         s3c24xx_ts_set_platdata(NULL);
 266
 267         s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
 268         s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
 269         i2c_register_board_info(0, smdk6450_i2c_devs0,
 270                         ARRAY_SIZE(smdk6450_i2c_devs0));
 271         i2c_register_board_info(1, smdk6450_i2c_devs1,
 272                         ARRAY_SIZE(smdk6450_i2c_devs1));
 273
 274         samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
 275
 276         s5p6450_set_lcd_interface();
 277         s3c_fb_set_platdata(&smdk6450_lcd_pdata);
 278
 279         s3c_sdhci0_set_platdata(&smdk6450_hsmmc0_pdata);
 280         s3c_sdhci1_set_platdata(&smdk6450_hsmmc1_pdata);
 281         s3c_sdhci2_set_platdata(&smdk6450_hsmmc2_pdata);
 282
 283         platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
 284 }
 285
 286 MACHINE_START(SMDK6450, "SMDK6450")
 287         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 288         .atag_offset    = 0x100,
 289
 290         .init_irq       = s5p6450_init_irq,
 291         .handle_irq     = vic_handle_irq,
 292         .map_io         = smdk6450_map_io,
 293         .init_machine   = smdk6450_machine_init,
 294         .timer          = &s5p_timer,
 295         .restart        = s5p64x0_restart,
 296 MACHINE_END