linux/arch/arm/mach-s5p64x0/mach-smdk6440.c
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   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#include <video/samsung_fimd.h>
  31
  32#include <asm/mach/arch.h>
  33#include <asm/mach/map.h>
  34#include <asm/irq.h>
  35#include <asm/mach-types.h>
  36
  37#include <mach/hardware.h>
  38#include <mach/map.h>
  39#include <mach/regs-clock.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 <linux/platform_data/i2c-s3c2410.h>
  48#include <plat/pll.h>
  49#include <plat/adc.h>
  50#include <linux/platform_data/touchscreen-s3c2410.h>
  51#include <plat/samsung-time.h>
  52#include <plat/backlight.h>
  53#include <plat/fb.h>
  54#include <plat/sdhci.h>
  55
  56#include "common.h"
  57#include "i2c.h"
  58
  59#define SMDK6440_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  60                                S3C2410_UCON_RXILEVEL |         \
  61                                S3C2410_UCON_TXIRQMODE |        \
  62                                S3C2410_UCON_RXIRQMODE |        \
  63                                S3C2410_UCON_RXFIFO_TOI |       \
  64                                S3C2443_UCON_RXERR_IRQEN)
  65
  66#define SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  67
  68#define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  69                                S3C2440_UFCON_TXTRIG16 |        \
  70                                S3C2410_UFCON_RXTRIG8)
  71
  72static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  73        [0] = {
  74                .hwport         = 0,
  75                .flags          = 0,
  76                .ucon           = SMDK6440_UCON_DEFAULT,
  77                .ulcon          = SMDK6440_ULCON_DEFAULT,
  78                .ufcon          = SMDK6440_UFCON_DEFAULT,
  79        },
  80        [1] = {
  81                .hwport         = 1,
  82                .flags          = 0,
  83                .ucon           = SMDK6440_UCON_DEFAULT,
  84                .ulcon          = SMDK6440_ULCON_DEFAULT,
  85                .ufcon          = SMDK6440_UFCON_DEFAULT,
  86        },
  87        [2] = {
  88                .hwport         = 2,
  89                .flags          = 0,
  90                .ucon           = SMDK6440_UCON_DEFAULT,
  91                .ulcon          = SMDK6440_ULCON_DEFAULT,
  92                .ufcon          = SMDK6440_UFCON_DEFAULT,
  93        },
  94        [3] = {
  95                .hwport         = 3,
  96                .flags          = 0,
  97                .ucon           = SMDK6440_UCON_DEFAULT,
  98                .ulcon          = SMDK6440_ULCON_DEFAULT,
  99                .ufcon          = SMDK6440_UFCON_DEFAULT,
 100        },
 101};
 102
 103/* Frame Buffer */
 104static struct s3c_fb_pd_win smdk6440_fb_win0 = {
 105        .max_bpp        = 32,
 106        .default_bpp    = 24,
 107        .xres           = 800,
 108        .yres           = 480,
 109};
 110
 111static struct fb_videomode smdk6440_lcd_timing = {
 112        .left_margin    = 8,
 113        .right_margin   = 13,
 114        .upper_margin   = 7,
 115        .lower_margin   = 5,
 116        .hsync_len      = 3,
 117        .vsync_len      = 1,
 118        .xres           = 800,
 119        .yres           = 480,
 120};
 121
 122static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = {
 123        .win[0]         = &smdk6440_fb_win0,
 124        .vtiming        = &smdk6440_lcd_timing,
 125        .vidcon0        = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB,
 126        .vidcon1        = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC,
 127        .setup_gpio     = s5p64x0_fb_gpio_setup_24bpp,
 128};
 129
 130/* LCD power controller */
 131static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd,
 132                                         unsigned int power)
 133{
 134        int err;
 135
 136        if (power) {
 137                err = gpio_request(S5P6440_GPN(5), "GPN");
 138                if (err) {
 139                        printk(KERN_ERR "failed to request GPN for lcd reset\n");
 140                        return;
 141                }
 142
 143                gpio_direction_output(S5P6440_GPN(5), 1);
 144                gpio_set_value(S5P6440_GPN(5), 0);
 145                gpio_set_value(S5P6440_GPN(5), 1);
 146                gpio_free(S5P6440_GPN(5));
 147        }
 148}
 149
 150static struct plat_lcd_data smdk6440_lcd_power_data = {
 151        .set_power      = smdk6440_lte480_reset_power,
 152};
 153
 154static struct platform_device smdk6440_lcd_lte480wv = {
 155        .name                   = "platform-lcd",
 156        .dev.parent             = &s3c_device_fb.dev,
 157        .dev.platform_data      = &smdk6440_lcd_power_data,
 158};
 159
 160static struct platform_device *smdk6440_devices[] __initdata = {
 161        &s3c_device_adc,
 162        &s3c_device_rtc,
 163        &s3c_device_i2c0,
 164        &s3c_device_i2c1,
 165        &samsung_device_pwm,
 166        &s3c_device_ts,
 167        &s3c_device_wdt,
 168        &s5p6440_device_iis,
 169        &s3c_device_fb,
 170        &smdk6440_lcd_lte480wv,
 171        &s3c_device_hsmmc0,
 172        &s3c_device_hsmmc1,
 173        &s3c_device_hsmmc2,
 174};
 175
 176static struct s3c_sdhci_platdata smdk6440_hsmmc0_pdata __initdata = {
 177        .cd_type        = S3C_SDHCI_CD_NONE,
 178};
 179
 180static struct s3c_sdhci_platdata smdk6440_hsmmc1_pdata __initdata = {
 181        .cd_type        = S3C_SDHCI_CD_INTERNAL,
 182#if defined(CONFIG_S5P64X0_SD_CH1_8BIT)
 183        .max_width      = 8,
 184        .host_caps      = MMC_CAP_8_BIT_DATA,
 185#endif
 186};
 187
 188static struct s3c_sdhci_platdata smdk6440_hsmmc2_pdata __initdata = {
 189        .cd_type        = S3C_SDHCI_CD_NONE,
 190};
 191
 192static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 193        .flags          = 0,
 194        .slave_addr     = 0x10,
 195        .frequency      = 100*1000,
 196        .sda_delay      = 100,
 197        .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 198};
 199
 200static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 201        .flags          = 0,
 202        .bus_num        = 1,
 203        .slave_addr     = 0x10,
 204        .frequency      = 100*1000,
 205        .sda_delay      = 100,
 206        .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 207};
 208
 209static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 210        { I2C_BOARD_INFO("24c08", 0x50), },
 211        { I2C_BOARD_INFO("wm8580", 0x1b), },
 212};
 213
 214static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 215        /* To be populated */
 216};
 217
 218/* LCD Backlight data */
 219static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 220        .no = S5P6440_GPF(15),
 221        .func = S3C_GPIO_SFN(2),
 222};
 223
 224static struct platform_pwm_backlight_data smdk6440_bl_data = {
 225        .pwm_id = 1,
 226};
 227
 228static void __init smdk6440_map_io(void)
 229{
 230        s5p64x0_init_io(NULL, 0);
 231        s3c24xx_init_clocks(12000000);
 232        s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 233        samsung_set_timer_source(SAMSUNG_PWM3, SAMSUNG_PWM4);
 234}
 235
 236static void s5p6440_set_lcd_interface(void)
 237{
 238        unsigned int cfg;
 239
 240        /* select TFT LCD type (RGB I/F) */
 241        cfg = __raw_readl(S5P64X0_SPCON0);
 242        cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK;
 243        cfg |= S5P64X0_SPCON0_LCD_SEL_RGB;
 244        __raw_writel(cfg, S5P64X0_SPCON0);
 245}
 246
 247static void __init smdk6440_machine_init(void)
 248{
 249        s3c24xx_ts_set_platdata(NULL);
 250
 251        s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 252        s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 253        i2c_register_board_info(0, smdk6440_i2c_devs0,
 254                        ARRAY_SIZE(smdk6440_i2c_devs0));
 255        i2c_register_board_info(1, smdk6440_i2c_devs1,
 256                        ARRAY_SIZE(smdk6440_i2c_devs1));
 257
 258        s5p6440_set_lcd_interface();
 259        s3c_fb_set_platdata(&smdk6440_lcd_pdata);
 260
 261        s3c_sdhci0_set_platdata(&smdk6440_hsmmc0_pdata);
 262        s3c_sdhci1_set_platdata(&smdk6440_hsmmc1_pdata);
 263        s3c_sdhci2_set_platdata(&smdk6440_hsmmc2_pdata);
 264
 265        platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 266
 267        samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 268}
 269
 270MACHINE_START(SMDK6440, "SMDK6440")
 271        /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 272        .atag_offset    = 0x100,
 273
 274        .init_irq       = s5p6440_init_irq,
 275        .map_io         = smdk6440_map_io,
 276        .init_machine   = smdk6440_machine_init,
 277        .init_time      = samsung_timer_init,
 278        .restart        = s5p64x0_restart,
 279MACHINE_END
 280