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/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/s5p6440.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 SMDK6440_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 SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  64
  65 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  66                                 S3C2440_UFCON_TXTRIG16 |        \
  67                                 S3C2410_UFCON_RXTRIG8)
  68
  69 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  70         [0] = {
  71                 .hwport         = 0,
  72                 .flags          = 0,
  73                 .ucon           = SMDK6440_UCON_DEFAULT,
  74                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  75                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  76         },
  77         [1] = {
  78                 .hwport         = 1,
  79                 .flags          = 0,
  80                 .ucon           = SMDK6440_UCON_DEFAULT,
  81                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  82                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  83         },
  84         [2] = {
  85                 .hwport         = 2,
  86                 .flags          = 0,
  87                 .ucon           = SMDK6440_UCON_DEFAULT,
  88                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  89                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  90         },
  91         [3] = {
  92                 .hwport         = 3,
  93                 .flags          = 0,
  94                 .ucon           = SMDK6440_UCON_DEFAULT,
  95                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  96                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  97         },
  98 };
  99
 100 /* Frame Buffer */
 101 static struct s3c_fb_pd_win smdk6440_fb_win0 = {
 102         .win_mode = {
 103                 .left_margin    = 8,
 104                 .right_margin   = 13,
 105                 .upper_margin   = 7,
 106                 .lower_margin   = 5,
 107                 .hsync_len      = 3,
 108                 .vsync_len      = 1,
 109                 .xres           = 800,
 110                 .yres           = 480,
 111         },
 112         .max_bpp        = 32,
 113         .default_bpp    = 24,
 114 };
 115
 116 static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
 117         .win[0]         = &smdk6440_fb_win0,
 118         .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 119         .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 120         .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 121 };
 122
 123 /* LCD power controller */
 124 static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
 125                                          unsigned int power)
 126 {
 127         int err;
 128
 129         if (power) {
 130                 err = gpio_request(S5P6440_GPN(5), "GPN");
 131                 if (err) {
 132                         printk(KERN_ERR "failed to request GPN for lcd reset\n");
 133                         return;
 134                 }
 135
 136                 gpio_direction_output(S5P6440_GPN(5), 1);
 137                 gpio_set_value(S5P6440_GPN(5), 0);
 138                 gpio_set_value(S5P6440_GPN(5), 1);
 139                 gpio_free(S5P6440_GPN(5));
 140         }
 141 }
 142
 143 static struct plat_lcd_data smdk6440_lcd_power_data = {
 144         .set_power      = smdk6440_lte480_reset_power,
 145 };
 146
 147 static struct platform_device smdk6440_lcd_lte480wv = {
 148         .name                   = "platform-lcd",
 149         .dev.parent             = &s3c_device_fb.dev,
 150         .dev.platform_data      = &smdk6440_lcd_power_data,
 151 };
 152
 153 static struct platform_device *smdk6440_devices[] __initdata = {
 154         &s3c_device_adc,
 155         &s3c_device_rtc,
 156         &s3c_device_i2c0,
 157         &s3c_device_i2c1,
 158         &s3c_device_ts,
 159         &s3c_device_wdt,
 160         &samsung_asoc_dma,
 161         &s5p6440_device_iis,
 162         &s3c_device_fb,
 163         &smdk6440_lcd_lte480wv,
 164 };
 165
 166 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 167         .flags          = 0,
 168         .slave_addr     = 0x10,
 169         .frequency      = 100*1000,
 170         .sda_delay      = 100,
 171         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 172 };
 173
 174 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 175         .flags          = 0,
 176         .bus_num        = 1,
 177         .slave_addr     = 0x10,
 178         .frequency      = 100*1000,
 179         .sda_delay      = 100,
 180         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 181 };
 182
 183 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 184         { I2C_BOARD_INFO("24c08", 0x50), },
 185         { I2C_BOARD_INFO("wm8580", 0x1b), },
 186 };
 187
 188 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 189         /* To be populated */
 190 };
 191
 192 /* LCD Backlight data */
 193 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 194         .no = S5P6440_GPF(15),
 195         .func = S3C_GPIO_SFN(2),
 196 };
 197
 198 static struct platform_pwm_backlight_data smdk6440_bl_data = {
 199         .pwm_id = 1,
 200 };
 201
 202 static void __init smdk6440_map_io(void)
 203 {
 204         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 205         s3c24xx_init_clocks(12000000);
 206         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 207         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 208 }
 209
 210 static void s5p6440_set_lcd_interface(void)
 211 {
 212         unsigned int cfg;
 213
 214         /* select TFT LCD type (RGB I/F) */
 215         cfg = __raw_readl(S5P64X0_SPCON0);
 216         cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 217         cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 218         __raw_writel(cfg, S5P64X0_SPCON0);
 219 }
 220
 221 static void __init smdk6440_machine_init(void)
 222 {
 223         s3c24xx_ts_set_platdata(NULL);
 224
 225         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 226         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 227         i2c_register_board_info(0, smdk6440_i2c_devs0,
 228                         ARRAY_SIZE(smdk6440_i2c_devs0));
 229         i2c_register_board_info(1, smdk6440_i2c_devs1,
 230                         ARRAY_SIZE(smdk6440_i2c_devs1));
 231
 232         samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 233
 234         s5p6440_set_lcd_interface();
 235         s3c_fb_set_platdata(&smdk6440_lcd_pdata);
 236
 237         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 238 }
 239
 240 MACHINE_START(SMDK6440, "SMDK6440")
 241         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 242         .atag_offset    = 0x100,
 243
 244         .init_irq       = s5p6440_init_irq,
 245         .map_io         = smdk6440_map_io,
 246         .init_machine   = smdk6440_machine_init,
 247         .timer          = &s5p_timer,
 248 MACHINE_END