arch/arm/mach-exynos/mach-smdk4x12.c

   1 /*
   2  * linux/arch/arm/mach-exynos4/mach-smdk4x12.c
   3  *
   4  * Copyright (c) 2011 Samsung Electronics Co., Ltd.
   5  *              http://www.samsung.com
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License version 2 as
   9  * published by the Free Software Foundation.
  10 */
  11
  12 #include <linux/gpio.h>
  13 #include <linux/i2c.h>
  14 #include <linux/input.h>
  15 #include <linux/io.h>
  16 #include <linux/mfd/max8997.h>
  17 #include <linux/mmc/host.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/pwm_backlight.h>
  20 #include <linux/regulator/machine.h>
  21 #include <linux/serial_core.h>
  22
  23 #include <asm/mach/arch.h>
  24 #include <asm/hardware/gic.h>
  25 #include <asm/mach-types.h>
  26
  27 #include <plat/backlight.h>
  28 #include <plat/clock.h>
  29 #include <plat/cpu.h>
  30 #include <plat/devs.h>
  31 #include <plat/gpio-cfg.h>
  32 #include <plat/iic.h>
  33 #include <plat/keypad.h>
  34 #include <plat/mfc.h>
  35 #include <plat/regs-serial.h>
  36 #include <plat/sdhci.h>
  37
  38 #include <mach/map.h>
  39
  40 #include "common.h"
  41
  42 /* Following are default values for UCON, ULCON and UFCON UART registers */
  43 #define SMDK4X12_UCON_DEFAULT   (S3C2410_UCON_TXILEVEL |        \
  44                                  S3C2410_UCON_RXILEVEL |        \
  45                                  S3C2410_UCON_TXIRQMODE |       \
  46                                  S3C2410_UCON_RXIRQMODE |       \
  47                                  S3C2410_UCON_RXFIFO_TOI |      \
  48                                  S3C2443_UCON_RXERR_IRQEN)
  49
  50 #define SMDK4X12_ULCON_DEFAULT  S3C2410_LCON_CS8
  51
  52 #define SMDK4X12_UFCON_DEFAULT  (S3C2410_UFCON_FIFOMODE |       \
  53                                  S5PV210_UFCON_TXTRIG4 |        \
  54                                  S5PV210_UFCON_RXTRIG4)
  55
  56 static struct s3c2410_uartcfg smdk4x12_uartcfgs[] __initdata = {
  57         [0] = {
  58                 .hwport         = 0,
  59                 .flags          = 0,
  60                 .ucon           = SMDK4X12_UCON_DEFAULT,
  61                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  62                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  63         },
  64         [1] = {
  65                 .hwport         = 1,
  66                 .flags          = 0,
  67                 .ucon           = SMDK4X12_UCON_DEFAULT,
  68                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  69                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  70         },
  71         [2] = {
  72                 .hwport         = 2,
  73                 .flags          = 0,
  74                 .ucon           = SMDK4X12_UCON_DEFAULT,
  75                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  76                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  77         },
  78         [3] = {
  79                 .hwport         = 3,
  80                 .flags          = 0,
  81                 .ucon           = SMDK4X12_UCON_DEFAULT,
  82                 .ulcon          = SMDK4X12_ULCON_DEFAULT,
  83                 .ufcon          = SMDK4X12_UFCON_DEFAULT,
  84         },
  85 };
  86
  87 static struct s3c_sdhci_platdata smdk4x12_hsmmc2_pdata __initdata = {
  88         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  89 #ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT
  90         .max_width              = 8,
  91         .host_caps              = MMC_CAP_8_BIT_DATA,
  92 #endif
  93 };
  94
  95 static struct s3c_sdhci_platdata smdk4x12_hsmmc3_pdata __initdata = {
  96         .cd_type                = S3C_SDHCI_CD_INTERNAL,
  97 };
  98
  99 static struct regulator_consumer_supply max8997_buck1 =
 100         REGULATOR_SUPPLY("vdd_arm", NULL);
 101
 102 static struct regulator_consumer_supply max8997_buck2 =
 103         REGULATOR_SUPPLY("vdd_int", NULL);
 104
 105 static struct regulator_consumer_supply max8997_buck3 =
 106         REGULATOR_SUPPLY("vdd_g3d", NULL);
 107
 108 static struct regulator_init_data max8997_buck1_data = {
 109         .constraints    = {
 110                 .name           = "VDD_ARM_SMDK4X12",
 111                 .min_uV         = 925000,
 112                 .max_uV         = 1350000,
 113                 .always_on      = 1,
 114                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 115                 .state_mem      = {
 116                         .disabled       = 1,
 117                 },
 118         },
 119         .num_consumer_supplies  = 1,
 120         .consumer_supplies      = &max8997_buck1,
 121 };
 122
 123 static struct regulator_init_data max8997_buck2_data = {
 124         .constraints    = {
 125                 .name           = "VDD_INT_SMDK4X12",
 126                 .min_uV         = 950000,
 127                 .max_uV         = 1150000,
 128                 .always_on      = 1,
 129                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 130                 .state_mem      = {
 131                         .disabled       = 1,
 132                 },
 133         },
 134         .num_consumer_supplies  = 1,
 135         .consumer_supplies      = &max8997_buck2,
 136 };
 137
 138 static struct regulator_init_data max8997_buck3_data = {
 139         .constraints    = {
 140                 .name           = "VDD_G3D_SMDK4X12",
 141                 .min_uV         = 950000,
 142                 .max_uV         = 1150000,
 143                 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
 144                                   REGULATOR_CHANGE_STATUS,
 145                 .state_mem      = {
 146                         .disabled       = 1,
 147                 },
 148         },
 149         .num_consumer_supplies  = 1,
 150         .consumer_supplies      = &max8997_buck3,
 151 };
 152
 153 static struct max8997_regulator_data smdk4x12_max8997_regulators[] = {
 154         { MAX8997_BUCK1, &max8997_buck1_data },
 155         { MAX8997_BUCK2, &max8997_buck2_data },
 156         { MAX8997_BUCK3, &max8997_buck3_data },
 157 };
 158
 159 static struct max8997_platform_data smdk4x12_max8997_pdata = {
 160         .num_regulators = ARRAY_SIZE(smdk4x12_max8997_regulators),
 161         .regulators     = smdk4x12_max8997_regulators,
 162
 163         .buck1_voltage[0] = 1100000,    /* 1.1V */
 164         .buck1_voltage[1] = 1100000,    /* 1.1V */
 165         .buck1_voltage[2] = 1100000,    /* 1.1V */
 166         .buck1_voltage[3] = 1100000,    /* 1.1V */
 167         .buck1_voltage[4] = 1100000,    /* 1.1V */
 168         .buck1_voltage[5] = 1100000,    /* 1.1V */
 169         .buck1_voltage[6] = 1000000,    /* 1.0V */
 170         .buck1_voltage[7] = 950000,     /* 0.95V */
 171
 172         .buck2_voltage[0] = 1100000,    /* 1.1V */
 173         .buck2_voltage[1] = 1000000,    /* 1.0V */
 174         .buck2_voltage[2] = 950000,     /* 0.95V */
 175         .buck2_voltage[3] = 900000,     /* 0.9V */
 176         .buck2_voltage[4] = 1100000,    /* 1.1V */
 177         .buck2_voltage[5] = 1000000,    /* 1.0V */
 178         .buck2_voltage[6] = 950000,     /* 0.95V */
 179         .buck2_voltage[7] = 900000,     /* 0.9V */
 180
 181         .buck5_voltage[0] = 1100000,    /* 1.1V */
 182         .buck5_voltage[1] = 1100000,    /* 1.1V */
 183         .buck5_voltage[2] = 1100000,    /* 1.1V */
 184         .buck5_voltage[3] = 1100000,    /* 1.1V */
 185         .buck5_voltage[4] = 1100000,    /* 1.1V */
 186         .buck5_voltage[5] = 1100000,    /* 1.1V */
 187         .buck5_voltage[6] = 1100000,    /* 1.1V */
 188         .buck5_voltage[7] = 1100000,    /* 1.1V */
 189 };
 190
 191 static struct i2c_board_info smdk4x12_i2c_devs0[] __initdata = {
 192         {
 193                 I2C_BOARD_INFO("max8997", 0x66),
 194                 .platform_data  = &smdk4x12_max8997_pdata,
 195         }
 196 };
 197
 198 static struct i2c_board_info smdk4x12_i2c_devs1[] __initdata = {
 199         { I2C_BOARD_INFO("wm8994", 0x1a), }
 200 };
 201
 202 static struct i2c_board_info smdk4x12_i2c_devs3[] __initdata = {
 203         /* nothing here yet */
 204 };
 205
 206 static struct i2c_board_info smdk4x12_i2c_devs7[] __initdata = {
 207         /* nothing here yet */
 208 };
 209
 210 static struct samsung_bl_gpio_info smdk4x12_bl_gpio_info = {
 211         .no = EXYNOS4_GPD0(1),
 212         .func = S3C_GPIO_SFN(2),
 213 };
 214
 215 static struct platform_pwm_backlight_data smdk4x12_bl_data = {
 216         .pwm_id = 1,
 217         .pwm_period_ns  = 1000,
 218 };
 219
 220 static uint32_t smdk4x12_keymap[] __initdata = {
 221         /* KEY(row, col, keycode) */
 222         KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B),
 223         KEY(1, 3, KEY_E), KEY(1, 4, KEY_C)
 224 };
 225
 226 static struct matrix_keymap_data smdk4x12_keymap_data __initdata = {
 227         .keymap         = smdk4x12_keymap,
 228         .keymap_size    = ARRAY_SIZE(smdk4x12_keymap),
 229 };
 230
 231 static struct samsung_keypad_platdata smdk4x12_keypad_data __initdata = {
 232         .keymap_data    = &smdk4x12_keymap_data,
 233         .rows           = 2,
 234         .cols           = 5,
 235 };
 236
 237 static struct platform_device *smdk4x12_devices[] __initdata = {
 238         &s3c_device_hsmmc2,
 239         &s3c_device_hsmmc3,
 240         &s3c_device_i2c0,
 241         &s3c_device_i2c1,
 242         &s3c_device_i2c3,
 243         &s3c_device_i2c7,
 244         &s3c_device_rtc,
 245         &s3c_device_wdt,
 246         &s5p_device_fimc0,
 247         &s5p_device_fimc1,
 248         &s5p_device_fimc2,
 249         &s5p_device_fimc3,
 250         &s5p_device_fimc_md,
 251         &s5p_device_mfc,
 252         &s5p_device_mfc_l,
 253         &s5p_device_mfc_r,
 254         &samsung_device_keypad,
 255 };
 256
 257 static void __init smdk4x12_map_io(void)
 258 {
 259         clk_xusbxti.rate = 24000000;
 260
 261         exynos_init_io(NULL, 0);
 262         s3c24xx_init_clocks(clk_xusbxti.rate);
 263         s3c24xx_init_uarts(smdk4x12_uartcfgs, ARRAY_SIZE(smdk4x12_uartcfgs));
 264 }
 265
 266 static void __init smdk4x12_reserve(void)
 267 {
 268         s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20);
 269 }
 270
 271 static void __init smdk4x12_machine_init(void)
 272 {
 273         s3c_i2c0_set_platdata(NULL);
 274         i2c_register_board_info(0, smdk4x12_i2c_devs0,
 275                                 ARRAY_SIZE(smdk4x12_i2c_devs0));
 276
 277         s3c_i2c1_set_platdata(NULL);
 278         i2c_register_board_info(1, smdk4x12_i2c_devs1,
 279                                 ARRAY_SIZE(smdk4x12_i2c_devs1));
 280
 281         s3c_i2c3_set_platdata(NULL);
 282         i2c_register_board_info(3, smdk4x12_i2c_devs3,
 283                                 ARRAY_SIZE(smdk4x12_i2c_devs3));
 284
 285         s3c_i2c7_set_platdata(NULL);
 286         i2c_register_board_info(7, smdk4x12_i2c_devs7,
 287                                 ARRAY_SIZE(smdk4x12_i2c_devs7));
 288
 289         samsung_bl_set(&smdk4x12_bl_gpio_info, &smdk4x12_bl_data);
 290
 291         samsung_keypad_set_platdata(&smdk4x12_keypad_data);
 292
 293         s3c_sdhci2_set_platdata(&smdk4x12_hsmmc2_pdata);
 294         s3c_sdhci3_set_platdata(&smdk4x12_hsmmc3_pdata);
 295
 296         platform_add_devices(smdk4x12_devices, ARRAY_SIZE(smdk4x12_devices));
 297 }
 298
 299 MACHINE_START(SMDK4212, "SMDK4212")
 300         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 301         .atag_offset    = 0x100,
 302         .init_irq       = exynos4_init_irq,
 303         .map_io         = smdk4x12_map_io,
 304         .handle_irq     = gic_handle_irq,
 305         .init_machine   = smdk4x12_machine_init,
 306         .timer          = &exynos4_timer,
 307         .restart        = exynos4_restart,
 308         .reserve        = &smdk4x12_reserve,
 309 MACHINE_END
 310
 311 MACHINE_START(SMDK4412, "SMDK4412")
 312         /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */
 313         /* Maintainer: Changhwan Youn <chaos.youn@samsung.com> */
 314         .atag_offset    = 0x100,
 315         .init_irq       = exynos4_init_irq,
 316         .map_io         = smdk4x12_map_io,
 317         .handle_irq     = gic_handle_irq,
 318         .init_machine   = smdk4x12_machine_init,
 319         .init_late      = exynos_init_late,
 320         .timer          = &exynos4_timer,
 321         .restart        = exynos4_restart,
 322         .reserve        = &smdk4x12_reserve,
 323 MACHINE_END