arch/arm/mach-s5p64x0/mach-smdk6440.c

   1 /* linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
   2  *
   3  * Copyright (c) 2009-2010 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 SMDK6440_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 SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  67
  68 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  69                                 S3C2440_UFCON_TXTRIG16 |        \
  70                                 S3C2410_UFCON_RXTRIG8)
  71
  72 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  73         [0] = {
  74                 .hwport         = 0,
  75                 .flags          = 0,
  76                 .ucon           = SMDK6440_UCON_DEFAULT,
  77                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  78                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  79         },
  80         [1] = {
  81                 .hwport         = 1,
  82                 .flags          = 0,
  83                 .ucon           = SMDK6440_UCON_DEFAULT,
  84                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  85                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  86         },
  87         [2] = {
  88                 .hwport         = 2,
  89                 .flags          = 0,
  90                 .ucon           = SMDK6440_UCON_DEFAULT,
  91                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  92                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  93         },
  94         [3] = {
  95                 .hwport         = 3,
  96                 .flags          = 0,
  97                 .ucon           = SMDK6440_UCON_DEFAULT,
  98                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  99                 .ufcon          = SMDK6440_UFCON_DEFAULT,
 100         },
 101 };
 102
 103 /* Frame Buffer */
 104 static struct s3c_fb_pd_win smdk6440_fb_win0 = {
 105         .max_bpp        = 32,
 106         .default_bpp    = 24,
 107         .xres           = 800,
 108         .yres           = 480,
 109 };
 110
 111 static struct fb_videomode smdk6440_lcd_timing = {
 112         .left_margin    = 8,
 113         .right_margin   = 13,
 114         .upper_margin   = 7,
 115         .lower_margin   = 5,
 116         .hsync_len      = 3,
 117         .vsync_len      = 1,
 118         .xres           = 800,
 119         .yres           = 480,
 120 };
 121
 122 static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
 123         .win[0]         = &smdk6440_fb_win0,
 124         .vtiming        = &smdk6440_lcd_timing,
 125         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 126         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 127         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 128 };
 129
 130 /* LCD power controller */
 131 static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
 132                                          unsigned int power)
 133 {
 134         int err;
 135
 136         if (power) {
 137                 err = gpio_request(S5P6440_GPN(5), "GPN");
 138                 if (err) {
 139                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 140                         return;
 141                 }
 142
 143                 gpio_direction_output(S5P6440_GPN(5), 1);
 144                 gpio_set_value(S5P6440_GPN(5), 0);
 145                 gpio_set_value(S5P6440_GPN(5), 1);
 146                 gpio_free(S5P6440_GPN(5));
 147         }
 148 }
 149
 150 static struct plat_lcd_data smdk6440_lcd_power_data = {
 151         .set_power      = smdk6440_lte480_reset_power,
 152 };
 153
 154 static struct platform_device smdk6440_lcd_lte480wv = {
 155         .name                   = "platform-lcd",
 156         .dev.parent             = &s3c_device_fb.dev,
 157         .dev.platform_data      = &smdk6440_lcd_power_data,
 158 };
 159
 160 static struct platform_device *smdk6440_devices[] __initdata = {
 161         &s3c_device_adc,
 162         &s3c_device_rtc,
 163         &s3c_device_i2c0,
 164         &s3c_device_i2c1,
 165         &samsung_device_pwm,
 166         &s3c_device_ts,
 167         &s3c_device_wdt,
 168         &s5p6440_device_iis,
 169         &s3c_device_fb,
 170         &smdk6440_lcd_lte480wv,
 171         &s3c_device_hsmmc0,
 172         &s3c_device_hsmmc1,
 173         &s3c_device_hsmmc2,
 174 };
 175
 176 static struct s3c_sdhci_platdata smdk6440_hsmmc0_pdata __initdata = {
 177         .cd_type        = S3C_SDHCI_CD_NONE,
 178 };
 179
 180 static struct s3c_sdhci_platdata smdk6440_hsmmc1_pdata __initdata = {
 181         .cd_type        = S3C_SDHCI_CD_INTERNAL,
 182 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
 183         .max_width      = 8,
 184         .host_caps      = MMC_CAP_8_BIT_DATA,
 185 #endif
 186 };
 187
 188 static struct s3c_sdhci_platdata smdk6440_hsmmc2_pdata __initdata = {
 189         .cd_type        = S3C_SDHCI_CD_NONE,
 190 };
 191
 192 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 193         .flags          = 0,
 194         .slave_addr     = 0x10,
 195         .frequency      = 100*1000,
 196         .sda_delay      = 100,
 197         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 198 };
 199
 200 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 201         .flags          = 0,
 202         .bus_num        = 1,
 203         .slave_addr     = 0x10,
 204         .frequency      = 100*1000,
 205         .sda_delay      = 100,
 206         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 207 };
 208
 209 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 210         { I2C_BOARD_INFO("24c08", 0x50), },
 211         { I2C_BOARD_INFO("wm8580", 0x1b), },
 212 };
 213
 214 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 215         /* To be populated */
 216 };
 217
 218 /* LCD Backlight data */
 219 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 220         .no = S5P6440_GPF(15),
 221         .func = S3C_GPIO_SFN(2),
 222 };
 223
 224 static struct platform_pwm_backlight_data smdk6440_bl_data = {
 225         .pwm_id = 1,
 226         .enable_gpio = -1,
 227 };
 228
 229 static void __init smdk6440_map_io(void)
 230 {
 231         s5p64x0_init_io(NULL, 0);
 232         s3c24xx_init_clocks(12000000);
 233         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 234         samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 235 }
 236
 237 static void s5p6440_set_lcd_interface(void)
 238 {
 239         unsigned int cfg;
 240
 241         /* select TFT LCD type (RGB I/F) */
 242         cfg = __raw_readl(S5P64X0_SPCON0);
 243         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 244         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 245         __raw_writel(cfg, S5P64X0_SPCON0);
 246 }
 247
 248 static void __init smdk6440_machine_init(void)
 249 {
 250         s3c24xx_ts_set_platdata(NULL);
 251
 252         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 253         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 254         i2c_register_board_info(0, smdk6440_i2c_devs0,
 255                         ARRAY_SIZE(smdk6440_i2c_devs0));
 256         i2c_register_board_info(1, smdk6440_i2c_devs1,
 257                         ARRAY_SIZE(smdk6440_i2c_devs1));
 258
 259         s5p6440_set_lcd_interface();
 260         s3c_fb_set_platdata(&smdk6440_lcd_pdata);
 261
 262         s3c_sdhci0_set_platdata(&smdk6440_hsmmc0_pdata);
 263         s3c_sdhci1_set_platdata(&smdk6440_hsmmc1_pdata);
 264         s3c_sdhci2_set_platdata(&smdk6440_hsmmc2_pdata);
 265
 266         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 267
 268         samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 269 }
 270
 271 MACHINE_START(SMDK6440, "SMDK6440")
 272         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 273         .atag_offset    = 0x100,
 274
 275         .init_irq       = s5p6440_init_irq,
 276         .map_io         = smdk6440_map_io,
 277         .init_machine   = smdk6440_machine_init,
 278         .init_time      = samsung_timer_init,
 279         .restart        = s5p64x0_restart,
 280 MACHINE_END