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
  28 #include <video/platform_lcd.h>
  29
  30 #include <asm/mach/arch.h>
  31 #include <asm/mach/map.h>
  32 #include <asm/irq.h>
  33 #include <asm/mach-types.h>
  34
  35 #include <mach/hardware.h>
  36 #include <mach/map.h>
  37 #include <mach/regs-clock.h>
  38 #include <mach/i2c.h>
  39 #include <mach/regs-gpio.h>
  40
  41 #include <plat/regs-serial.h>
  42 #include <plat/gpio-cfg.h>
  43 #include <plat/s5p6450.h>
  44 #include <plat/clock.h>
  45 #include <plat/devs.h>
  46 #include <plat/cpu.h>
  47 #include <plat/iic.h>
  48 #include <plat/pll.h>
  49 #include <plat/adc.h>
  50 #include <plat/ts.h>
  51 #include <plat/s5p-time.h>
  52 #include <plat/backlight.h>
  53 #include <plat/fb.h>
  54 #include <plat/regs-fb.h>
  55
  56 #define SMDK6450_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 SMDK6450_ULCON_DEFAULT  S3C2410_LCON_CS8
  64
  65 #define SMDK6450_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  66                                 S3C2440_UFCON_TXTRIG16 |        \
  67                                 S3C2410_UFCON_RXTRIG8)
  68
  69 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
  70         [0] = {
  71                 .hwport         = 0,
  72                 .flags          = 0,
  73                 .ucon           = SMDK6450_UCON_DEFAULT,
  74                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  75                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  76         },
  77         [1] = {
  78                 .hwport         = 1,
  79                 .flags          = 0,
  80                 .ucon           = SMDK6450_UCON_DEFAULT,
  81                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  82                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  83         },
  84         [2] = {
  85                 .hwport         = 2,
  86                 .flags          = 0,
  87                 .ucon           = SMDK6450_UCON_DEFAULT,
  88                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  89                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  90         },
  91         [3] = {
  92                 .hwport         = 3,
  93                 .flags          = 0,
  94                 .ucon           = SMDK6450_UCON_DEFAULT,
  95                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  96                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  97         },
  98 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
  99         [4] = {
 100                 .hwport         = 4,
 101                 .flags          = 0,
 102                 .ucon           = SMDK6450_UCON_DEFAULT,
 103                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 104                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 105         },
 106 #endif
 107 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
 108         [5] = {
 109                 .hwport         = 5,
 110                 .flags          = 0,
 111                 .ucon           = SMDK6450_UCON_DEFAULT,
 112                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 113                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 114         },
 115 #endif
 116 };
 117
 118 /* Frame Buffer */
 119 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
 120         .win_mode       = {
 121                 .left_margin    = 8,
 122                 .right_margin   = 13,
 123                 .upper_margin   = 7,
 124                 .lower_margin   = 5,
 125                 .hsync_len      = 3,
 126                 .vsync_len      = 1,
 127                 .xres           = 800,
 128                 .yres           = 480,
 129         },
 130         .max_bpp        = 32,
 131         .default_bpp    = 24,
 132 };
 133
 134 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
 135         .win[0]         = &smdk6450_fb_win0,
 136         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 137         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 138         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 139 };
 140
 141 /* LCD power controller */
 142 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
 143                                          unsigned int power)
 144 {
 145         int err;
 146
 147         if (power) {
 148                 err = gpio_request(S5P6450_GPN(5), "GPN");
 149                 if (err) {
 150                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 151                         return;
 152                 }
 153
 154                 gpio_direction_output(S5P6450_GPN(5), 1);
 155                 gpio_set_value(S5P6450_GPN(5), 0);
 156                 gpio_set_value(S5P6450_GPN(5), 1);
 157                 gpio_free(S5P6450_GPN(5));
 158         }
 159 }
 160
 161 static struct plat_lcd_data smdk6450_lcd_power_data = {
 162         .set_power      = smdk6450_lte480_reset_power,
 163 };
 164
 165 static struct platform_device smdk6450_lcd_lte480wv = {
 166         .name                   = "platform-lcd",
 167         .dev.parent             = &s3c_device_fb.dev,
 168         .dev.platform_data      = &smdk6450_lcd_power_data,
 169 };
 170
 171 static struct platform_device *smdk6450_devices[] __initdata = {
 172         &s3c_device_adc,
 173         &s3c_device_rtc,
 174         &s3c_device_i2c0,
 175         &s3c_device_i2c1,
 176         &s3c_device_ts,
 177         &s3c_device_wdt,
 178         &samsung_asoc_dma,
 179         &s5p6450_device_iis0,
 180         &s3c_device_fb,
 181         &smdk6450_lcd_lte480wv,
 182
 183         /* s5p6450_device_spi0 will be added */
 184 };
 185
 186 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
 187         .flags          = 0,
 188         .slave_addr     = 0x10,
 189         .frequency      = 100*1000,
 190         .sda_delay      = 100,
 191         .cfg_gpio       = s5p6450_i2c0_cfg_gpio,
 192 };
 193
 194 static struct s3c2410_platform_i2c s5p6450_i2c1_data __initdata = {
 195         .flags          = 0,
 196         .bus_num        = 1,
 197         .slave_addr     = 0x10,
 198         .frequency      = 100*1000,
 199         .sda_delay      = 100,
 200         .cfg_gpio       = s5p6450_i2c1_cfg_gpio,
 201 };
 202
 203 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
 204         { I2C_BOARD_INFO("wm8580", 0x1b), },
 205         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung KS24C080C EEPROM */
 206 };
 207
 208 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
 209         { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
 210 };
 211
 212 /* LCD Backlight data */
 213 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
 214         .no = S5P6450_GPF(15),
 215         .func = S3C_GPIO_SFN(2),
 216 };
 217
 218 static struct platform_pwm_backlight_data smdk6450_bl_data = {
 219         .pwm_id = 1,
 220 };
 221
 222 static void __init smdk6450_map_io(void)
 223 {
 224         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 225         s3c24xx_init_clocks(19200000);
 226         s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 227         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 228 }
 229
 230 static void s5p6450_set_lcd_interface(void)
 231 {
 232         unsigned int cfg;
 233
 234         /* select TFT LCD type (RGB I/F) */
 235         cfg = __raw_readl(S5P64X0_SPCON0);
 236         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 237         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 238         __raw_writel(cfg, S5P64X0_SPCON0);
 239 }
 240
 241 static void __init smdk6450_machine_init(void)
 242 {
 243         s3c24xx_ts_set_platdata(NULL);
 244
 245         s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
 246         s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
 247         i2c_register_board_info(0, smdk6450_i2c_devs0,
 248                         ARRAY_SIZE(smdk6450_i2c_devs0));
 249         i2c_register_board_info(1, smdk6450_i2c_devs1,
 250                         ARRAY_SIZE(smdk6450_i2c_devs1));
 251
 252         samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
 253
 254         s5p6450_set_lcd_interface();
 255         s3c_fb_set_platdata(&smdk6450_lcd_pdata);
 256
 257         platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
 258 }
 259
 260 MACHINE_START(SMDK6450, "SMDK6450")
 261         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 262         .atag_offset    = 0x100,
 263
 264         .init_irq       = s5p6450_init_irq,
 265         .map_io         = smdk6450_map_io,
 266         .init_machine   = smdk6450_machine_init,
 267         .timer          = &s5p_timer,
 268 MACHINE_END