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/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/mach/arch.h>
  32 #include <asm/mach/map.h>
  33 #include <asm/irq.h>
  34 #include <asm/mach-types.h>
  35
  36 #include <mach/hardware.h>
  37 #include <mach/map.h>
  38 #include <mach/regs-clock.h>
  39 #include <mach/i2c.h>
  40 #include <mach/regs-gpio.h>
  41
  42 #include <plat/regs-serial.h>
  43 #include <plat/gpio-cfg.h>
  44 #include <plat/s5p6440.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 #define SMDK6440_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  59                                 S3C2410_UCON_RXILEVEL |         \
  60                                 S3C2410_UCON_TXIRQMODE |        \
  61                                 S3C2410_UCON_RXIRQMODE |        \
  62                                 S3C2410_UCON_RXFIFO_TOI |       \
  63                                 S3C2443_UCON_RXERR_IRQEN)
  64
  65 #define SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  66
  67 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  68                                 S3C2440_UFCON_TXTRIG16 |        \
  69                                 S3C2410_UFCON_RXTRIG8)
  70
  71 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  72         [0] = {
  73                 .hwport         = 0,
  74                 .flags          = 0,
  75                 .ucon           = SMDK6440_UCON_DEFAULT,
  76                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  77                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  78         },
  79         [1] = {
  80                 .hwport         = 1,
  81                 .flags          = 0,
  82                 .ucon           = SMDK6440_UCON_DEFAULT,
  83                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  84                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  85         },
  86         [2] = {
  87                 .hwport         = 2,
  88                 .flags          = 0,
  89                 .ucon           = SMDK6440_UCON_DEFAULT,
  90                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  91                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  92         },
  93         [3] = {
  94                 .hwport         = 3,
  95                 .flags          = 0,
  96                 .ucon           = SMDK6440_UCON_DEFAULT,
  97                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  98                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  99         },
 100 };
 101
 102 /* Frame Buffer */
 103 static struct s3c_fb_pd_win smdk6440_fb_win0 = {
 104         .win_mode = {
 105                 .left_margin    = 8,
 106                 .right_margin   = 13,
 107                 .upper_margin   = 7,
 108                 .lower_margin   = 5,
 109                 .hsync_len      = 3,
 110                 .vsync_len      = 1,
 111                 .xres           = 800,
 112                 .yres           = 480,
 113         },
 114         .max_bpp        = 32,
 115         .default_bpp    = 24,
 116 };
 117
 118 static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
 119         .win[0]         = &smdk6440_fb_win0,
 120         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 121         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 122         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 123 };
 124
 125 /* LCD power controller */
 126 static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
 127                                          unsigned int power)
 128 {
 129         int err;
 130
 131         if (power) {
 132                 err = gpio_request(S5P6440_GPN(5), "GPN");
 133                 if (err) {
 134                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 135                         return;
 136                 }
 137
 138                 gpio_direction_output(S5P6440_GPN(5), 1);
 139                 gpio_set_value(S5P6440_GPN(5), 0);
 140                 gpio_set_value(S5P6440_GPN(5), 1);
 141                 gpio_free(S5P6440_GPN(5));
 142         }
 143 }
 144
 145 static struct plat_lcd_data smdk6440_lcd_power_data = {
 146         .set_power      = smdk6440_lte480_reset_power,
 147 };
 148
 149 static struct platform_device smdk6440_lcd_lte480wv = {
 150         .name                   = "platform-lcd",
 151         .dev.parent             = &s3c_device_fb.dev,
 152         .dev.platform_data      = &smdk6440_lcd_power_data,
 153 };
 154
 155 static struct platform_device *smdk6440_devices[] __initdata = {
 156         &s3c_device_adc,
 157         &s3c_device_rtc,
 158         &s3c_device_i2c0,
 159         &s3c_device_i2c1,
 160         &s3c_device_ts,
 161         &s3c_device_wdt,
 162         &samsung_asoc_dma,
 163         &s5p6440_device_iis,
 164         &s3c_device_fb,
 165         &smdk6440_lcd_lte480wv,
 166         &s3c_device_hsmmc0,
 167         &s3c_device_hsmmc1,
 168         &s3c_device_hsmmc2,
 169 };
 170
 171 static struct s3c_sdhci_platdata smdk6440_hsmmc0_pdata __initdata = {
 172         .cd_type        = S3C_SDHCI_CD_NONE,
 173 };
 174
 175 static struct s3c_sdhci_platdata smdk6440_hsmmc1_pdata __initdata = {
 176         .cd_type        = S3C_SDHCI_CD_INTERNAL,
 177 #if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
 178         .max_width      = 8,
 179         .host_caps      = MMC_CAP_8_BIT_DATA,
 180 #endif
 181 };
 182
 183 static struct s3c_sdhci_platdata smdk6440_hsmmc2_pdata __initdata = {
 184         .cd_type        = S3C_SDHCI_CD_NONE,
 185 };
 186
 187 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 188         .flags          = 0,
 189         .slave_addr     = 0x10,
 190         .frequency      = 100*1000,
 191         .sda_delay      = 100,
 192         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 193 };
 194
 195 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 196         .flags          = 0,
 197         .bus_num        = 1,
 198         .slave_addr     = 0x10,
 199         .frequency      = 100*1000,
 200         .sda_delay      = 100,
 201         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 202 };
 203
 204 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 205         { I2C_BOARD_INFO("24c08", 0x50), },
 206         { I2C_BOARD_INFO("wm8580", 0x1b), },
 207 };
 208
 209 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 210         /* To be populated */
 211 };
 212
 213 /* LCD Backlight data */
 214 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 215         .no = S5P6440_GPF(15),
 216         .func = S3C_GPIO_SFN(2),
 217 };
 218
 219 static struct platform_pwm_backlight_data smdk6440_bl_data = {
 220         .pwm_id = 1,
 221 };
 222
 223 static void __init smdk6440_map_io(void)
 224 {
 225         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 226         s3c24xx_init_clocks(12000000);
 227         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 228         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 229 }
 230
 231 static void s5p6440_set_lcd_interface(void)
 232 {
 233         unsigned int cfg;
 234
 235         /* select TFT LCD type (RGB I/F) */
 236         cfg = __raw_readl(S5P64X0_SPCON0);
 237         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 238         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 239         __raw_writel(cfg, S5P64X0_SPCON0);
 240 }
 241
 242 static void __init smdk6440_machine_init(void)
 243 {
 244         s3c24xx_ts_set_platdata(NULL);
 245
 246         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 247         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 248         i2c_register_board_info(0, smdk6440_i2c_devs0,
 249                         ARRAY_SIZE(smdk6440_i2c_devs0));
 250         i2c_register_board_info(1, smdk6440_i2c_devs1,
 251                         ARRAY_SIZE(smdk6440_i2c_devs1));
 252
 253         samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 254
 255         s5p6440_set_lcd_interface();
 256         s3c_fb_set_platdata(&smdk6440_lcd_pdata);
 257
 258         s3c_sdhci0_set_platdata(&smdk6440_hsmmc0_pdata);
 259         s3c_sdhci1_set_platdata(&smdk6440_hsmmc1_pdata);
 260         s3c_sdhci2_set_platdata(&smdk6440_hsmmc2_pdata);
 261
 262         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 263 }
 264
 265 MACHINE_START(SMDK6440, "SMDK6440")
 266         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 267         .atag_offset    = 0x100,
 268
 269         .init_irq       = s5p6440_init_irq,
 270         .map_io         = smdk6440_map_io,
 271         .init_machine   = smdk6440_machine_init,
 272         .timer          = &s5p_timer,
 273 MACHINE_END