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
  27 #include <asm/mach/arch.h>
  28 #include <asm/mach/map.h>
  29 #include <asm/irq.h>
  30 #include <asm/mach-types.h>
  31
  32 #include <mach/hardware.h>
  33 #include <mach/map.h>
  34 #include <mach/regs-clock.h>
  35 #include <mach/i2c.h>
  36 #include <mach/regs-gpio.h>
  37
  38 #include <plat/regs-serial.h>
  39 #include <plat/gpio-cfg.h>
  40 #include <plat/s5p6440.h>
  41 #include <plat/clock.h>
  42 #include <plat/devs.h>
  43 #include <plat/cpu.h>
  44 #include <plat/iic.h>
  45 #include <plat/pll.h>
  46 #include <plat/adc.h>
  47 #include <plat/ts.h>
  48 #include <plat/s5p-time.h>
  49 #include <plat/backlight.h>
  50
  51 #define SMDK6440_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  52                                 S3C2410_UCON_RXILEVEL |         \
  53                                 S3C2410_UCON_TXIRQMODE |        \
  54                                 S3C2410_UCON_RXIRQMODE |        \
  55                                 S3C2410_UCON_RXFIFO_TOI |       \
  56                                 S3C2443_UCON_RXERR_IRQEN)
  57
  58 #define SMDK6440_ULCON_DEFAULT  S3C2410_LCON_CS8
  59
  60 #define SMDK6440_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  61                                 S3C2440_UFCON_TXTRIG16 |        \
  62                                 S3C2410_UFCON_RXTRIG8)
  63
  64 static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
  65         [0] = {
  66                 .hwport         = 0,
  67                 .flags          = 0,
  68                 .ucon           = SMDK6440_UCON_DEFAULT,
  69                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  70                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  71         },
  72         [1] = {
  73                 .hwport         = 1,
  74                 .flags          = 0,
  75                 .ucon           = SMDK6440_UCON_DEFAULT,
  76                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  77                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  78         },
  79         [2] = {
  80                 .hwport         = 2,
  81                 .flags          = 0,
  82                 .ucon           = SMDK6440_UCON_DEFAULT,
  83                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  84                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  85         },
  86         [3] = {
  87                 .hwport         = 3,
  88                 .flags          = 0,
  89                 .ucon           = SMDK6440_UCON_DEFAULT,
  90                 .ulcon          = SMDK6440_ULCON_DEFAULT,
  91                 .ufcon          = SMDK6440_UFCON_DEFAULT,
  92         },
  93 };
  94
  95 static struct platform_device *smdk6440_devices[] __initdata = {
  96         &s3c_device_adc,
  97         &s3c_device_rtc,
  98         &s3c_device_i2c0,
  99         &s3c_device_i2c1,
 100         &s3c_device_ts,
 101         &s3c_device_wdt,
 102         &samsung_asoc_dma,
 103         &s5p6440_device_iis,
 104 };
 105
 106 static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = {
 107         .flags          = 0,
 108         .slave_addr     = 0x10,
 109         .frequency      = 100*1000,
 110         .sda_delay      = 100,
 111         .cfg_gpio       = s5p6440_i2c0_cfg_gpio,
 112 };
 113
 114 static struct s3c2410_platform_i2c s5p6440_i2c1_data __initdata = {
 115         .flags          = 0,
 116         .bus_num        = 1,
 117         .slave_addr     = 0x10,
 118         .frequency      = 100*1000,
 119         .sda_delay      = 100,
 120         .cfg_gpio       = s5p6440_i2c1_cfg_gpio,
 121 };
 122
 123 static struct i2c_board_info smdk6440_i2c_devs0[] __initdata = {
 124         { I2C_BOARD_INFO("24c08", 0x50), },
 125         { I2C_BOARD_INFO("wm8580", 0x1b), },
 126 };
 127
 128 static struct i2c_board_info smdk6440_i2c_devs1[] __initdata = {
 129         /* To be populated */
 130 };
 131
 132 static struct s3c2410_ts_mach_info s3c_ts_platform __initdata = {
 133         .delay                  = 10000,
 134         .presc                  = 49,
 135         .oversampling_shift     = 2,
 136 };
 137
 138 /* LCD Backlight data */
 139 static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
 140         .no = S5P6440_GPF(15),
 141         .func = S3C_GPIO_SFN(2),
 142 };
 143
 144 static struct platform_pwm_backlight_data smdk6440_bl_data = {
 145         .pwm_id = 1,
 146 };
 147
 148 static void __init smdk6440_map_io(void)
 149 {
 150         s5p_init_io(NULL, 0, S5P64X0_SYS_ID);
 151         s3c24xx_init_clocks(12000000);
 152         s3c24xx_init_uarts(smdk6440_uartcfgs, ARRAY_SIZE(smdk6440_uartcfgs));
 153         s5p_set_timer_source(S5P_PWM3, S5P_PWM4);
 154 }
 155
 156 static void __init smdk6440_machine_init(void)
 157 {
 158         s3c24xx_ts_set_platdata(&s3c_ts_platform);
 159
 160         s3c_i2c0_set_platdata(&s5p6440_i2c0_data);
 161         s3c_i2c1_set_platdata(&s5p6440_i2c1_data);
 162         i2c_register_board_info(0, smdk6440_i2c_devs0,
 163                         ARRAY_SIZE(smdk6440_i2c_devs0));
 164         i2c_register_board_info(1, smdk6440_i2c_devs1,
 165                         ARRAY_SIZE(smdk6440_i2c_devs1));
 166
 167         samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data);
 168
 169         platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices));
 170 }
 171
 172 MACHINE_START(SMDK6440, "SMDK6440")
 173         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 174         .boot_params    = S5P64X0_PA_SDRAM + 0x100,
 175
 176         .init_irq       = s5p6440_init_irq,
 177         .map_io         = smdk6440_map_io,
 178         .init_machine   = smdk6440_machine_init,
 179         .timer          = &s5p_timer,
 180 MACHINE_END