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/clock.h>
  44 #include <plat/devs.h>
  45 #include <plat/cpu.h>
  46 #include <plat/iic.h>
  47 #include <plat/pll.h>
  48 #include <plat/adc.h>
  49 #include <plat/ts.h>
  50 #include <plat/s5p-time.h>
  51 #include <plat/backlight.h>
  52 #include <plat/fb.h>
  53 #include <plat/regs-fb.h>
  54
  55 #include "common.h"
  56
  57 #define SMDK6450_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  58                                 S3C2410_UCON_RXILEVEL |         \
  59                                 S3C2410_UCON_TXIRQMODE |        \
  60                                 S3C2410_UCON_RXIRQMODE |        \
  61                                 S3C2410_UCON_RXFIFO_TOI |       \
  62                                 S3C2443_UCON_RXERR_IRQEN)
  63
  64 #define SMDK6450_ULCON_DEFAULT  S3C2410_LCON_CS8
  65
  66 #define SMDK6450_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  67                                 S3C2440_UFCON_TXTRIG16 |        \
  68                                 S3C2410_UFCON_RXTRIG8)
  69
  70 static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = {
  71         [0] = {
  72                 .hwport         = 0,
  73                 .flags          = 0,
  74                 .ucon           = SMDK6450_UCON_DEFAULT,
  75                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  76                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  77         },
  78         [1] = {
  79                 .hwport         = 1,
  80                 .flags          = 0,
  81                 .ucon           = SMDK6450_UCON_DEFAULT,
  82                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  83                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  84         },
  85         [2] = {
  86                 .hwport         = 2,
  87                 .flags          = 0,
  88                 .ucon           = SMDK6450_UCON_DEFAULT,
  89                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  90                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  91         },
  92         [3] = {
  93                 .hwport         = 3,
  94                 .flags          = 0,
  95                 .ucon           = SMDK6450_UCON_DEFAULT,
  96                 .ulcon          = SMDK6450_ULCON_DEFAULT,
  97                 .ufcon          = SMDK6450_UFCON_DEFAULT,
  98         },
  99 #if CONFIG_SERIAL_SAMSUNG_UARTS > 4
 100         [4] = {
 101                 .hwport         = 4,
 102                 .flags          = 0,
 103                 .ucon           = SMDK6450_UCON_DEFAULT,
 104                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 105                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 106         },
 107 #endif
 108 #if CONFIG_SERIAL_SAMSUNG_UARTS > 5
 109         [5] = {
 110                 .hwport         = 5,
 111                 .flags          = 0,
 112                 .ucon           = SMDK6450_UCON_DEFAULT,
 113                 .ulcon          = SMDK6450_ULCON_DEFAULT,
 114                 .ufcon          = SMDK6450_UFCON_DEFAULT,
 115         },
 116 #endif
 117 };
 118
 119 /* Frame Buffer */
 120 static struct s3c_fb_pd_win smdk6450_fb_win0 = {
 121         .win_mode       = {
 122                 .left_margin    = 8,
 123                 .right_margin   = 13,
 124                 .upper_margin   = 7,
 125                 .lower_margin   = 5,
 126                 .hsync_len      = 3,
 127                 .vsync_len      = 1,
 128                 .xres           = 800,
 129                 .yres           = 480,
 130         },
 131         .max_bpp        = 32,
 132         .default_bpp    = 24,
 133 };
 134
 135 static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = {
 136         .win[0]         = &smdk6450_fb_win0,
 137         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 138         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 139         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 140 };
 141
 142 /* LCD power controller */
 143 static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd,
 144                                          unsigned int power)
 145 {
 146         int err;
 147
 148         if (power) {
 149                 err = gpio_request(S5P6450_GPN(5), "GPN");
 150                 if (err) {
 151                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 152                         return;
 153                 }
 154
 155                 gpio_direction_output(S5P6450_GPN(5), 1);
 156                 gpio_set_value(S5P6450_GPN(5), 0);
 157                 gpio_set_value(S5P6450_GPN(5), 1);
 158                 gpio_free(S5P6450_GPN(5));
 159         }
 160 }
 161
 162 static struct plat_lcd_data smdk6450_lcd_power_data = {
 163         .set_power      = smdk6450_lte480_reset_power,
 164 };
 165
 166 static struct platform_device smdk6450_lcd_lte480wv = {
 167         .name                   = "platform-lcd",
 168         .dev.parent             = &s3c_device_fb.dev,
 169         .dev.platform_data      = &smdk6450_lcd_power_data,
 170 };
 171
 172 static struct platform_device *smdk6450_devices[] __initdata = {
 173         &s3c_device_adc,
 174         &s3c_device_rtc,
 175         &s3c_device_i2c0,
 176         &s3c_device_i2c1,
 177         &s3c_device_ts,
 178         &s3c_device_wdt,
 179         &samsung_asoc_dma,
 180         &s5p6450_device_iis0,
 181         &s3c_device_fb,
 182         &smdk6450_lcd_lte480wv,
 183
 184         /* s5p6450_device_spi0 will be added */
 185 };
 186
 187 static struct s3c2410_platform_i2c s5p6450_i2c0_data __initdata = {
 188         .flags          = 0,
 189         .slave_addr     = 0x10,
 190         .frequency      = 100*1000,
 191         .sda_delay      = 100,
 192         .cfg_gpio       = s5p6450_i2c0_cfg_gpio,
 193 };
 194
 195 static struct s3c2410_platform_i2c s5p6450_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       = s5p6450_i2c1_cfg_gpio,
 202 };
 203
 204 static struct i2c_board_info smdk6450_i2c_devs0[] __initdata = {
 205         { I2C_BOARD_INFO("wm8580", 0x1b), },
 206         { I2C_BOARD_INFO("24c08", 0x50), },     /* Samsung KS24C080C EEPROM */
 207 };
 208
 209 static struct i2c_board_info smdk6450_i2c_devs1[] __initdata = {
 210         { I2C_BOARD_INFO("24c128", 0x57), },/* Samsung S524AD0XD1 EEPROM */
 211 };
 212
 213 /* LCD Backlight data */
 214 static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
 215         .no = S5P6450_GPF(15),
 216         .func = S3C_GPIO_SFN(2),
 217 };
 218
 219 static struct platform_pwm_backlight_data smdk6450_bl_data = {
 220         .pwm_id = 1,
 221 };
 222
 223 static void __init smdk6450_map_io(void)
 224 {
 225         s5p64x0_init_io(NULL, 0);
 226         s3c24xx_init_clocks(19200000);
 227         s3c24xx_init_uarts(smdk6450_uartcfgs, ARRAY_SIZE(smdk6450_uartcfgs));
 228         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 229 }
 230
 231 static void s5p6450_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 smdk6450_machine_init(void)
 243 {
 244         s3c24xx_ts_set_platdata(NULL);
 245
 246         s3c_i2c0_set_platdata(&s5p6450_i2c0_data);
 247         s3c_i2c1_set_platdata(&s5p6450_i2c1_data);
 248         i2c_register_board_info(0, smdk6450_i2c_devs0,
 249                         ARRAY_SIZE(smdk6450_i2c_devs0));
 250         i2c_register_board_info(1, smdk6450_i2c_devs1,
 251                         ARRAY_SIZE(smdk6450_i2c_devs1));
 252
 253         samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data);
 254
 255         s5p6450_set_lcd_interface();
 256         s3c_fb_set_platdata(&smdk6450_lcd_pdata);
 257
 258         platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices));
 259 }
 260
 261 MACHINE_START(SMDK6450, "SMDK6450")
 262         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 263         .atag_offset    = 0x100,
 264
 265         .init_irq       = s5p6450_init_irq,
 266         .map_io         = smdk6450_map_io,
 267         .init_machine   = smdk6450_machine_init,
 268         .timer          = &s5p_timer,
 269 MACHINE_END