Pileus Git - ~andy/linux/blob - arch/arm/mach-ux500/board-mop500.c

   1 /*
   2  * Copyright (C) 2008-2012 ST-Ericsson
   3  *
   4  * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.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/init.h>
  13 #include <linux/interrupt.h>
  14 #include <linux/platform_device.h>
  15 #include <linux/clk.h>
  16 #include <linux/io.h>
  17 #include <linux/i2c.h>
  18 #include <linux/platform_data/i2c-nomadik.h>
  19 #include <linux/platform_data/db8500_thermal.h>
  20 #include <linux/gpio.h>
  21 #include <linux/amba/bus.h>
  22 #include <linux/amba/pl022.h>
  23 #include <linux/amba/serial.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/mfd/abx500/ab8500.h>
  26 #include <linux/regulator/ab8500.h>
  27 #include <linux/regulator/fixed.h>
  28 #include <linux/regulator/driver.h>
  29 #include <linux/regulator/gpio-regulator.h>
  30 #include <linux/mfd/tc3589x.h>
  31 #include <linux/mfd/tps6105x.h>
  32 #include <linux/mfd/abx500/ab8500-gpio.h>
  33 #include <linux/mfd/abx500/ab8500-codec.h>
  34 #include <linux/platform_data/leds-lp55xx.h>
  35 #include <linux/input.h>
  36 #include <linux/gpio_keys.h>
  37 #include <linux/delay.h>
  38 #include <linux/leds.h>
  39 #include <linux/pinctrl/consumer.h>
  40 #include <linux/platform_data/pinctrl-nomadik.h>
  41 #include <linux/platform_data/dma-ste-dma40.h>
  42
  43 #include <asm/mach-types.h>
  44
  45 #include "setup.h"
  46 #include "devices.h"
  47 #include "irqs.h"
  48 #include <linux/platform_data/crypto-ux500.h>
  49
  50 #include "ste-dma40-db8500.h"
  51 #include "db8500-regs.h"
  52 #include "devices-db8500.h"
  53 #include "board-mop500.h"
  54 #include "board-mop500-regulators.h"
  55
  56 static struct fixed_voltage_config snowball_gpio_en_3v3_data = {
  57        .supply_name            = "EN-3V3",
  58        .gpio                   = SNOWBALL_EN_3V3_ETH_GPIO,
  59        .microvolts             = 3300000,
  60        .enable_high            = 1,
  61        .init_data              = &gpio_en_3v3_regulator,
  62        .startup_delay          = 5000, /* 1200us */
  63 };
  64
  65 static struct platform_device snowball_gpio_en_3v3_regulator_dev = {
  66        .name   = "reg-fixed-voltage",
  67        .id     = 1,
  68        .dev    = {
  69                .platform_data  = &snowball_gpio_en_3v3_data,
  70        },
  71 };
  72
  73 /* Dynamically populated. */
  74 static struct gpio sdi0_reg_gpios[] = {
  75         { 0, GPIOF_OUT_INIT_LOW, "mmci_vsel" },
  76 };
  77
  78 static struct gpio_regulator_state sdi0_reg_states[] = {
  79         { .value = 2900000, .gpios = (0 << 0) },
  80         { .value = 1800000, .gpios = (1 << 0) },
  81 };
  82
  83 static struct gpio_regulator_config sdi0_reg_info = {
  84         .supply_name            = "ext-mmc-level-shifter",
  85         .gpios                  = sdi0_reg_gpios,
  86         .nr_gpios               = ARRAY_SIZE(sdi0_reg_gpios),
  87         .states                 = sdi0_reg_states,
  88         .nr_states              = ARRAY_SIZE(sdi0_reg_states),
  89         .type                   = REGULATOR_VOLTAGE,
  90         .enable_high            = 1,
  91         .enabled_at_boot        = 0,
  92         .init_data              = &sdi0_reg_init_data,
  93         .startup_delay          = 100,
  94 };
  95
  96 static struct platform_device sdi0_regulator = {
  97         .name = "gpio-regulator",
  98         .id   = -1,
  99         .dev  = {
 100                 .platform_data = &sdi0_reg_info,
 101         },
 102 };
 103
 104 static struct abx500_gpio_platform_data ab8500_gpio_pdata = {
 105         .gpio_base              = MOP500_AB8500_PIN_GPIO(1),
 106 };
 107
 108 /* ab8500-codec */
 109 static struct ab8500_codec_platform_data ab8500_codec_pdata = {
 110         .amics =  {
 111                 .mic1_type = AMIC_TYPE_DIFFERENTIAL,
 112                 .mic2_type = AMIC_TYPE_DIFFERENTIAL,
 113                 .mic1a_micbias = AMIC_MICBIAS_VAMIC1,
 114                 .mic1b_micbias = AMIC_MICBIAS_VAMIC1,
 115                 .mic2_micbias = AMIC_MICBIAS_VAMIC2
 116         },
 117         .ear_cmv = EAR_CMV_0_95V
 118 };
 119
 120 struct ab8500_platform_data ab8500_platdata = {
 121         .irq_base       = MOP500_AB8500_IRQ_BASE,
 122         .regulator      = &ab8500_regulator_plat_data,
 123         .gpio           = &ab8500_gpio_pdata,
 124         .codec          = &ab8500_codec_pdata,
 125 };
 126
 127 static struct platform_device u8500_cpufreq_cooling_device = {
 128         .name           = "db8500-cpufreq-cooling",
 129 };
 130
 131 /*
 132  * TC35892
 133  */
 134
 135 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
 136 {
 137         struct device *parent = NULL;
 138 #if 0
 139         /* FIXME: Is the sdi actually part of tc3589x? */
 140         parent = tc3589x->dev;
 141 #endif
 142         mop500_sdi_tc35892_init(parent);
 143 }
 144
 145 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
 146         .gpio_base      = MOP500_EGPIO(0),
 147         .setup          = mop500_tc35892_init,
 148 };
 149
 150 static struct tc3589x_platform_data mop500_tc35892_data = {
 151         .block          = TC3589x_BLOCK_GPIO,
 152         .gpio           = &mop500_tc35892_gpio_data,
 153         .irq_base       = MOP500_EGPIO_IRQ_BASE,
 154 };
 155
 156 /* I2C0 devices only available on the first HREF/MOP500 */
 157 static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
 158         {
 159                 I2C_BOARD_INFO("tc3589x", 0x42),
 160                 .irq            = NOMADIK_GPIO_TO_IRQ(217),
 161                 .platform_data  = &mop500_tc35892_data,
 162         },
 163 };
 164
 165 static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
 166         {
 167                 /* Light sensor Rohm BH1780GLI */
 168                 I2C_BOARD_INFO("bh1780", 0x29),
 169         },
 170 };
 171
 172 static int __init mop500_i2c_board_init(void)
 173 {
 174         if (machine_is_u8500())
 175                 mop500_uib_i2c_add(0, mop500_i2c0_devices,
 176                                    ARRAY_SIZE(mop500_i2c0_devices));
 177         mop500_uib_i2c_add(2, mop500_i2c2_devices,
 178                            ARRAY_SIZE(mop500_i2c2_devices));
 179         return 0;
 180 }
 181 device_initcall(mop500_i2c_board_init);
 182
 183 static void __init mop500_i2c_init(struct device *parent)
 184 {
 185         db8500_add_i2c0(parent, NULL);
 186         db8500_add_i2c1(parent, NULL);
 187         db8500_add_i2c2(parent, NULL);
 188         db8500_add_i2c3(parent, NULL);
 189 }
 190
 191 static struct gpio_keys_button mop500_gpio_keys[] = {
 192         {
 193                 .desc                   = "SFH7741 Proximity Sensor",
 194                 .type                   = EV_SW,
 195                 .code                   = SW_FRONT_PROXIMITY,
 196                 .active_low             = 0,
 197                 .can_disable            = 1,
 198         }
 199 };
 200
 201 static struct regulator *prox_regulator;
 202 static int mop500_prox_activate(struct device *dev);
 203 static void mop500_prox_deactivate(struct device *dev);
 204
 205 static struct gpio_keys_platform_data mop500_gpio_keys_data = {
 206         .buttons        = mop500_gpio_keys,
 207         .nbuttons       = ARRAY_SIZE(mop500_gpio_keys),
 208         .enable         = mop500_prox_activate,
 209         .disable        = mop500_prox_deactivate,
 210 };
 211
 212 static struct platform_device mop500_gpio_keys_device = {
 213         .name   = "gpio-keys",
 214         .id     = 0,
 215         .dev    = {
 216                 .platform_data  = &mop500_gpio_keys_data,
 217         },
 218 };
 219
 220 static int mop500_prox_activate(struct device *dev)
 221 {
 222         prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
 223                                                 "vcc");
 224         if (IS_ERR(prox_regulator)) {
 225                 dev_err(&mop500_gpio_keys_device.dev,
 226                         "no regulator\n");
 227                 return PTR_ERR(prox_regulator);
 228         }
 229
 230         return regulator_enable(prox_regulator);
 231 }
 232
 233 static void mop500_prox_deactivate(struct device *dev)
 234 {
 235         regulator_disable(prox_regulator);
 236         regulator_put(prox_regulator);
 237 }
 238
 239 static struct cryp_platform_data u8500_cryp1_platform_data = {
 240                 .mem_to_engine = {
 241                                 .dir = DMA_MEM_TO_DEV,
 242                                 .dev_type = DB8500_DMA_DEV48_CAC1,
 243                                 .mode = STEDMA40_MODE_LOGICAL,
 244                 },
 245                 .engine_to_mem = {
 246                                 .dir = DMA_DEV_TO_MEM,
 247                                 .dev_type = DB8500_DMA_DEV48_CAC1,
 248                                 .mode = STEDMA40_MODE_LOGICAL,
 249                 }
 250 };
 251
 252 static struct stedma40_chan_cfg u8500_hash_dma_cfg_tx = {
 253                 .dir = DMA_MEM_TO_DEV,
 254                 .dev_type = DB8500_DMA_DEV50_HAC1_TX,
 255                 .mode = STEDMA40_MODE_LOGICAL,
 256 };
 257
 258 static struct hash_platform_data u8500_hash1_platform_data = {
 259                 .mem_to_engine = &u8500_hash_dma_cfg_tx,
 260                 .dma_filter = stedma40_filter,
 261 };
 262
 263 /* add any platform devices here - TODO */
 264 static struct platform_device *mop500_platform_devs[] __initdata = {
 265         &mop500_gpio_keys_device,
 266         &sdi0_regulator,
 267 };
 268
 269 #ifdef CONFIG_STE_DMA40
 270 static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
 271         .mode = STEDMA40_MODE_LOGICAL,
 272         .dir = DMA_DEV_TO_MEM,
 273         .dev_type = DB8500_DMA_DEV8_SSP0,
 274 };
 275
 276 static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
 277         .mode = STEDMA40_MODE_LOGICAL,
 278         .dir = DMA_MEM_TO_DEV,
 279         .dev_type = DB8500_DMA_DEV8_SSP0,
 280 };
 281 #endif
 282
 283 struct pl022_ssp_controller ssp0_plat = {
 284         .bus_id = 0,
 285 #ifdef CONFIG_STE_DMA40
 286         .enable_dma = 1,
 287         .dma_filter = stedma40_filter,
 288         .dma_rx_param = &ssp0_dma_cfg_rx,
 289         .dma_tx_param = &ssp0_dma_cfg_tx,
 290 #else
 291         .enable_dma = 0,
 292 #endif
 293         /* on this platform, gpio 31,142,144,214 &
 294          * 224 are connected as chip selects
 295          */
 296         .num_chipselect = 5,
 297 };
 298
 299 static void __init mop500_spi_init(struct device *parent)
 300 {
 301         db8500_add_ssp0(parent, &ssp0_plat);
 302 }
 303
 304 #ifdef CONFIG_STE_DMA40
 305 static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
 306         .mode = STEDMA40_MODE_LOGICAL,
 307         .dir = DMA_DEV_TO_MEM,
 308         .dev_type = DB8500_DMA_DEV13_UART0,
 309 };
 310
 311 static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
 312         .mode = STEDMA40_MODE_LOGICAL,
 313         .dir = DMA_MEM_TO_DEV,
 314         .dev_type = DB8500_DMA_DEV13_UART0,
 315 };
 316
 317 static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
 318         .mode = STEDMA40_MODE_LOGICAL,
 319         .dir = DMA_DEV_TO_MEM,
 320         .dev_type = DB8500_DMA_DEV12_UART1,
 321 };
 322
 323 static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
 324         .mode = STEDMA40_MODE_LOGICAL,
 325         .dir = DMA_MEM_TO_DEV,
 326         .dev_type = DB8500_DMA_DEV12_UART1,
 327 };
 328
 329 static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
 330         .mode = STEDMA40_MODE_LOGICAL,
 331         .dir = DMA_DEV_TO_MEM,
 332         .dev_type = DB8500_DMA_DEV11_UART2,
 333 };
 334
 335 static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
 336         .mode = STEDMA40_MODE_LOGICAL,
 337         .dir = DMA_MEM_TO_DEV,
 338         .dev_type = DB8500_DMA_DEV11_UART2,
 339 };
 340 #endif
 341
 342 struct amba_pl011_data uart0_plat = {
 343 #ifdef CONFIG_STE_DMA40
 344         .dma_filter = stedma40_filter,
 345         .dma_rx_param = &uart0_dma_cfg_rx,
 346         .dma_tx_param = &uart0_dma_cfg_tx,
 347 #endif
 348 };
 349
 350 struct amba_pl011_data uart1_plat = {
 351 #ifdef CONFIG_STE_DMA40
 352         .dma_filter = stedma40_filter,
 353         .dma_rx_param = &uart1_dma_cfg_rx,
 354         .dma_tx_param = &uart1_dma_cfg_tx,
 355 #endif
 356 };
 357
 358 struct amba_pl011_data uart2_plat = {
 359 #ifdef CONFIG_STE_DMA40
 360         .dma_filter = stedma40_filter,
 361         .dma_rx_param = &uart2_dma_cfg_rx,
 362         .dma_tx_param = &uart2_dma_cfg_tx,
 363 #endif
 364 };
 365
 366 static void __init mop500_uart_init(struct device *parent)
 367 {
 368         db8500_add_uart0(parent, &uart0_plat);
 369         db8500_add_uart1(parent, &uart1_plat);
 370         db8500_add_uart2(parent, &uart2_plat);
 371 }
 372
 373 static void __init u8500_cryp1_hash1_init(struct device *parent)
 374 {
 375         db8500_add_cryp1(parent, &u8500_cryp1_platform_data);
 376         db8500_add_hash1(parent, &u8500_hash1_platform_data);
 377 }
 378
 379 static struct platform_device *snowball_platform_devs[] __initdata = {
 380         &snowball_gpio_en_3v3_regulator_dev,
 381         &u8500_cpufreq_cooling_device,
 382         &sdi0_regulator,
 383 };
 384
 385 static void __init mop500_init_machine(void)
 386 {
 387         struct device *parent = NULL;
 388         int i;
 389
 390         platform_device_register(&db8500_prcmu_device);
 391         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 392
 393         sdi0_reg_info.enable_gpio = GPIO_SDMMC_EN;
 394         sdi0_reg_info.gpios[0].gpio = GPIO_SDMMC_1V8_3V_SEL;
 395
 396         mop500_pinmaps_init();
 397         parent = u8500_init_devices();
 398
 399         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 400                 mop500_platform_devs[i]->dev.parent = parent;
 401
 402         platform_add_devices(mop500_platform_devs,
 403                         ARRAY_SIZE(mop500_platform_devs));
 404
 405         mop500_i2c_init(parent);
 406         mop500_sdi_init(parent);
 407         mop500_spi_init(parent);
 408         mop500_uart_init(parent);
 409         u8500_cryp1_hash1_init(parent);
 410
 411         /* This board has full regulator constraints */
 412         regulator_has_full_constraints();
 413 }
 414
 415
 416 static void __init snowball_init_machine(void)
 417 {
 418         struct device *parent = NULL;
 419         int i;
 420
 421         platform_device_register(&db8500_prcmu_device);
 422
 423         sdi0_reg_info.enable_gpio = SNOWBALL_SDMMC_EN_GPIO;
 424         sdi0_reg_info.gpios[0].gpio = SNOWBALL_SDMMC_1V8_3V_GPIO;
 425
 426         snowball_pinmaps_init();
 427         parent = u8500_init_devices();
 428
 429         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
 430                 snowball_platform_devs[i]->dev.parent = parent;
 431
 432         platform_add_devices(snowball_platform_devs,
 433                         ARRAY_SIZE(snowball_platform_devs));
 434
 435         mop500_i2c_init(parent);
 436         snowball_sdi_init(parent);
 437         mop500_spi_init(parent);
 438         mop500_uart_init(parent);
 439
 440         u8500_cryp1_hash1_init(parent);
 441
 442         /* This board has full regulator constraints */
 443         regulator_has_full_constraints();
 444 }
 445
 446 static void __init hrefv60_init_machine(void)
 447 {
 448         struct device *parent = NULL;
 449         int i;
 450
 451         platform_device_register(&db8500_prcmu_device);
 452         /*
 453          * The HREFv60 board removed a GPIO expander and routed
 454          * all these GPIO pins to the internal GPIO controller
 455          * instead.
 456          */
 457         mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 458
 459         sdi0_reg_info.enable_gpio = HREFV60_SDMMC_EN_GPIO;
 460         sdi0_reg_info.gpios[0].gpio = HREFV60_SDMMC_1V8_3V_GPIO;
 461
 462         hrefv60_pinmaps_init();
 463         parent = u8500_init_devices();
 464
 465         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 466                 mop500_platform_devs[i]->dev.parent = parent;
 467
 468         platform_add_devices(mop500_platform_devs,
 469                         ARRAY_SIZE(mop500_platform_devs));
 470
 471         mop500_i2c_init(parent);
 472         hrefv60_sdi_init(parent);
 473         mop500_spi_init(parent);
 474         mop500_uart_init(parent);
 475
 476         /* This board has full regulator constraints */
 477         regulator_has_full_constraints();
 478 }
 479
 480 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
 481         /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
 482         .atag_offset    = 0x100,
 483         .smp            = smp_ops(ux500_smp_ops),
 484         .map_io         = u8500_map_io,
 485         .init_irq       = ux500_init_irq,
 486         /* we re-use nomadik timer here */
 487         .init_time      = ux500_timer_init,
 488         .init_machine   = mop500_init_machine,
 489         .init_late      = ux500_init_late,
 490         .restart        = ux500_restart,
 491 MACHINE_END
 492
 493 MACHINE_START(U8520, "ST-Ericsson U8520 Platform HREFP520")
 494         .atag_offset    = 0x100,
 495         .map_io         = u8500_map_io,
 496         .init_irq       = ux500_init_irq,
 497         .init_time      = ux500_timer_init,
 498         .init_machine   = mop500_init_machine,
 499         .init_late      = ux500_init_late,
 500         .restart        = ux500_restart,
 501 MACHINE_END
 502
 503 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
 504         .atag_offset    = 0x100,
 505         .smp            = smp_ops(ux500_smp_ops),
 506         .map_io         = u8500_map_io,
 507         .init_irq       = ux500_init_irq,
 508         .init_time      = ux500_timer_init,
 509         .init_machine   = hrefv60_init_machine,
 510         .init_late      = ux500_init_late,
 511         .restart        = ux500_restart,
 512 MACHINE_END
 513
 514 MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
 515         .atag_offset    = 0x100,
 516         .smp            = smp_ops(ux500_smp_ops),
 517         .map_io         = u8500_map_io,
 518         .init_irq       = ux500_init_irq,
 519         /* we re-use nomadik timer here */
 520         .init_time      = ux500_timer_init,
 521         .init_machine   = snowball_init_machine,
 522         .init_late      = NULL,
 523         .restart        = ux500_restart,
 524 MACHINE_END