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
  28 #include <video/platform_lcd.h>
  29
  30 #include <asm/hardware/vic.h>
  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/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 #include "common.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 };
 167
 168 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 169         .flags          = 0,
 170         .slave_addr     = 0x10,
 171         .frequency      = 100*1000,
 172         .sda_delay      = 100,
 173         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 174 };
 175
 176 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 177         .flags          = 0,
 178         .bus_num        = 1,
 179         .slave_addr     = 0x10,
 180         .frequency      = 100*1000,
 181         .sda_delay      = 100,
 182         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 183 };
 184
 185 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 186         { I2C_BOARD_INFO("24c08", 0x50), },
 187         { I2C_BOARD_INFO("wm8580", 0x1b), },
 188 };
 189
 190 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 191         /* To be populated */
 192 };
 193
 194 /* LCD Backlight data */
 195 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 196         .no = S5P6440_GPF(15),
 197         .func = S3C_GPIO_SFN(2),
 198 };
 199
 200 static struct platform_pwm_backlight_data smdk6440_bl_data = {
 201         .pwm_id = 1,
 202 };
 203
 204 static void __init smdk6440_map_io(void)
 205 {
 206         s5p64x0_init_io(NULL, 0);
 207         s3c24xx_init_clocks(12000000);
 208         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 209         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 210 }
 211
 212 static void s5p6440_set_lcd_interface(void)
 213 {
 214         unsigned int cfg;
 215
 216         /* select TFT LCD type (RGB I/F) */
 217         cfg = __raw_readl(S5P64X0_SPCON0);
 218         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 219         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 220         __raw_writel(cfg, S5P64X0_SPCON0);
 221 }
 222
 223 static void __init smdk6440_machine_init(void)
 224 {
 225         s3c24xx_ts_set_platdata(NULL);
 226
 227         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 228         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 229         i2c_register_board_info(0, smdk6440_i2c_devs0,
 230                         ARRAY_SIZE(smdk6440_i2c_devs0));
 231         i2c_register_board_info(1, smdk6440_i2c_devs1,
 232                         ARRAY_SIZE(smdk6440_i2c_devs1));
 233
 234         samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 235
 236         s5p6440_set_lcd_interface();
 237         s3c_fb_set_platdata(&smdk6440_lcd_pdata);
 238
 239         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 240 }
 241
 242 MACHINE_START(SMDK6440, "SMDK6440")
 243         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 244         .atag_offset    = 0x100,
 245
 246         .init_irq       = s5p6440_init_irq,
 247         .handle_irq     = vic_handle_irq,
 248         .map_io         = smdk6440_map_io,
 249         .init_machine   = smdk6440_machine_init,
 250         .timer          = &s5p_timer,
 251         .restart        = s5p64x0_restart,
 252 MACHINE_END