arch/arm/mach-ux500/board-mop500.c

   1
   2 /*
   3  * Copyright (C) 2008-2009 ST-Ericsson
   4  *
   5  * Author: Srinidhi KASAGAR <srinidhi.kasagar@stericsson.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/kernel.h>
  13 #include <linux/init.h>
  14 #include <linux/interrupt.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/io.h>
  17 #include <linux/i2c.h>
  18 #include <linux/gpio.h>
  19 #include <linux/amba/bus.h>
  20 #include <linux/amba/pl022.h>
  21 #include <linux/amba/serial.h>
  22 #include <linux/spi/spi.h>
  23 #include <linux/mfd/abx500/ab8500.h>
  24 #include <linux/regulator/ab8500.h>
  25 #include <linux/mfd/tc3589x.h>
  26 #include <linux/mfd/tps6105x.h>
  27 #include <linux/mfd/abx500/ab8500-gpio.h>
  28 #include <linux/leds-lp5521.h>
  29 #include <linux/input.h>
  30 #include <linux/smsc911x.h>
  31 #include <linux/gpio_keys.h>
  32 #include <linux/delay.h>
  33 #include <linux/of.h>
  34 #include <linux/of_platform.h>
  35 #include <linux/leds.h>
  36 #include <linux/pinctrl/consumer.h>
  37
  38 #include <asm/mach-types.h>
  39 #include <asm/mach/arch.h>
  40 #include <asm/hardware/gic.h>
  41
  42 #include <plat/i2c.h>
  43 #include <plat/ste_dma40.h>
  44 #include <plat/gpio-nomadik.h>
  45
  46 #include <mach/hardware.h>
  47 #include <mach/setup.h>
  48 #include <mach/devices.h>
  49 #include <mach/irqs.h>
  50
  51 #include "ste-dma40-db8500.h"
  52 #include "devices-db8500.h"
  53 #include "board-mop500.h"
  54 #include "board-mop500-regulators.h"
  55 #include "board-mop500-msp.h"
  56
  57 static struct gpio_led snowball_led_array[] = {
  58         {
  59                 .name = "user_led",
  60                 .default_trigger = "none",
  61                 .gpio = 142,
  62         },
  63 };
  64
  65 static struct gpio_led_platform_data snowball_led_data = {
  66         .leds = snowball_led_array,
  67         .num_leds = ARRAY_SIZE(snowball_led_array),
  68 };
  69
  70 static struct platform_device snowball_led_dev = {
  71         .name = "leds-gpio",
  72         .dev = {
  73                 .platform_data = &snowball_led_data,
  74         },
  75 };
  76
  77 static struct ab8500_gpio_platform_data ab8500_gpio_pdata = {
  78         .gpio_base              = MOP500_AB8500_PIN_GPIO(1),
  79         .irq_base               = MOP500_AB8500_VIR_GPIO_IRQ_BASE,
  80         /* config_reg is the initial configuration of ab8500 pins.
  81          * The pins can be configured as GPIO or alt functions based
  82          * on value present in GpioSel1 to GpioSel6 and AlternatFunction
  83          * register. This is the array of 7 configuration settings.
  84          * One has to compile time decide these settings. Below is the
  85          * explanation of these setting
  86          * GpioSel1 = 0x00 => Pins GPIO1 to GPIO8 are not used as GPIO
  87          * GpioSel2 = 0x1E => Pins GPIO10 to GPIO13 are configured as GPIO
  88          * GpioSel3 = 0x80 => Pin GPIO24 is configured as GPIO
  89          * GpioSel4 = 0x01 => Pin GPIo25 is configured as GPIO
  90          * GpioSel5 = 0x7A => Pins GPIO34, GPIO36 to GPIO39 are conf as GPIO
  91          * GpioSel6 = 0x00 => Pins GPIO41 & GPIo42 are not configured as GPIO
  92          * AlternaFunction = 0x00 => If Pins GPIO10 to 13 are not configured
  93          * as GPIO then this register selectes the alternate fucntions
  94          */
  95         .config_reg             = {0x00, 0x1E, 0x80, 0x01,
  96                                         0x7A, 0x00, 0x00},
  97 };
  98
  99 static struct gpio_keys_button snowball_key_array[] = {
 100         {
 101                 .gpio           = 32,
 102                 .type           = EV_KEY,
 103                 .code           = KEY_1,
 104                 .desc           = "userpb",
 105                 .active_low     = 1,
 106                 .debounce_interval = 50,
 107                 .wakeup         = 1,
 108         },
 109         {
 110                 .gpio           = 151,
 111                 .type           = EV_KEY,
 112                 .code           = KEY_2,
 113                 .desc           = "extkb1",
 114                 .active_low     = 1,
 115                 .debounce_interval = 50,
 116                 .wakeup         = 1,
 117         },
 118         {
 119                 .gpio           = 152,
 120                 .type           = EV_KEY,
 121                 .code           = KEY_3,
 122                 .desc           = "extkb2",
 123                 .active_low     = 1,
 124                 .debounce_interval = 50,
 125                 .wakeup         = 1,
 126         },
 127         {
 128                 .gpio           = 161,
 129                 .type           = EV_KEY,
 130                 .code           = KEY_4,
 131                 .desc           = "extkb3",
 132                 .active_low     = 1,
 133                 .debounce_interval = 50,
 134                 .wakeup         = 1,
 135         },
 136         {
 137                 .gpio           = 162,
 138                 .type           = EV_KEY,
 139                 .code           = KEY_5,
 140                 .desc           = "extkb4",
 141                 .active_low     = 1,
 142                 .debounce_interval = 50,
 143                 .wakeup         = 1,
 144         },
 145 };
 146
 147 static struct gpio_keys_platform_data snowball_key_data = {
 148         .buttons        = snowball_key_array,
 149         .nbuttons       = ARRAY_SIZE(snowball_key_array),
 150 };
 151
 152 static struct platform_device snowball_key_dev = {
 153         .name           = "gpio-keys",
 154         .id             = -1,
 155         .dev            = {
 156                 .platform_data  = &snowball_key_data,
 157         }
 158 };
 159
 160 static struct smsc911x_platform_config snowball_sbnet_cfg = {
 161         .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
 162         .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
 163         .flags = SMSC911X_USE_16BIT | SMSC911X_FORCE_INTERNAL_PHY,
 164         .shift = 1,
 165 };
 166
 167 static struct resource sbnet_res[] = {
 168         {
 169                 .name = "smsc911x-memory",
 170                 .start = (0x5000 << 16),
 171                 .end  =  (0x5000 << 16) + 0xffff,
 172                 .flags = IORESOURCE_MEM,
 173         },
 174         {
 175                 .start = NOMADIK_GPIO_TO_IRQ(140),
 176                 .end = NOMADIK_GPIO_TO_IRQ(140),
 177                 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
 178         },
 179 };
 180
 181 static struct platform_device snowball_sbnet_dev = {
 182         .name           = "smsc911x",
 183         .num_resources  = ARRAY_SIZE(sbnet_res),
 184         .resource       = sbnet_res,
 185         .dev            = {
 186                 .platform_data = &snowball_sbnet_cfg,
 187         },
 188 };
 189
 190 static struct ab8500_platform_data ab8500_platdata = {
 191         .irq_base       = MOP500_AB8500_IRQ_BASE,
 192         .regulator_reg_init = ab8500_regulator_reg_init,
 193         .num_regulator_reg_init = ARRAY_SIZE(ab8500_regulator_reg_init),
 194         .regulator      = ab8500_regulators,
 195         .num_regulator  = ARRAY_SIZE(ab8500_regulators),
 196         .gpio           = &ab8500_gpio_pdata,
 197 };
 198
 199 static struct resource ab8500_resources[] = {
 200         [0] = {
 201                 .start  = IRQ_DB8500_AB8500,
 202                 .end    = IRQ_DB8500_AB8500,
 203                 .flags  = IORESOURCE_IRQ
 204         }
 205 };
 206
 207 struct platform_device ab8500_device = {
 208         .name = "ab8500-i2c",
 209         .id = 0,
 210         .dev = {
 211                 .platform_data = &ab8500_platdata,
 212         },
 213         .num_resources = 1,
 214         .resource = ab8500_resources,
 215 };
 216
 217 /*
 218  * TPS61052
 219  */
 220
 221 static struct tps6105x_platform_data mop500_tps61052_data = {
 222         .mode = TPS6105X_MODE_VOLTAGE,
 223         .regulator_data = &tps61052_regulator,
 224 };
 225
 226 /*
 227  * TC35892
 228  */
 229
 230 static void mop500_tc35892_init(struct tc3589x *tc3589x, unsigned int base)
 231 {
 232         struct device *parent = NULL;
 233 #if 0
 234         /* FIXME: Is the sdi actually part of tc3589x? */
 235         parent = tc3589x->dev;
 236 #endif
 237         mop500_sdi_tc35892_init(parent);
 238 }
 239
 240 static struct tc3589x_gpio_platform_data mop500_tc35892_gpio_data = {
 241         .gpio_base      = MOP500_EGPIO(0),
 242         .setup          = mop500_tc35892_init,
 243 };
 244
 245 static struct tc3589x_platform_data mop500_tc35892_data = {
 246         .block          = TC3589x_BLOCK_GPIO,
 247         .gpio           = &mop500_tc35892_gpio_data,
 248         .irq_base       = MOP500_EGPIO_IRQ_BASE,
 249 };
 250
 251 static struct lp5521_led_config lp5521_pri_led[] = {
 252        [0] = {
 253                .chan_nr = 0,
 254                .led_current = 0x2f,
 255                .max_current = 0x5f,
 256        },
 257        [1] = {
 258                .chan_nr = 1,
 259                .led_current = 0x2f,
 260                .max_current = 0x5f,
 261        },
 262        [2] = {
 263                .chan_nr = 2,
 264                .led_current = 0x2f,
 265                .max_current = 0x5f,
 266        },
 267 };
 268
 269 static struct lp5521_platform_data __initdata lp5521_pri_data = {
 270        .label = "lp5521_pri",
 271        .led_config     = &lp5521_pri_led[0],
 272        .num_channels   = 3,
 273        .clock_mode     = LP5521_CLOCK_EXT,
 274 };
 275
 276 static struct lp5521_led_config lp5521_sec_led[] = {
 277        [0] = {
 278                .chan_nr = 0,
 279                .led_current = 0x2f,
 280                .max_current = 0x5f,
 281        },
 282        [1] = {
 283                .chan_nr = 1,
 284                .led_current = 0x2f,
 285                .max_current = 0x5f,
 286        },
 287        [2] = {
 288                .chan_nr = 2,
 289                .led_current = 0x2f,
 290                .max_current = 0x5f,
 291        },
 292 };
 293
 294 static struct lp5521_platform_data __initdata lp5521_sec_data = {
 295        .label = "lp5521_sec",
 296        .led_config     = &lp5521_sec_led[0],
 297        .num_channels   = 3,
 298        .clock_mode     = LP5521_CLOCK_EXT,
 299 };
 300
 301 static struct i2c_board_info __initdata mop500_i2c0_devices[] = {
 302         {
 303                 I2C_BOARD_INFO("tc3589x", 0x42),
 304                 .irq            = NOMADIK_GPIO_TO_IRQ(217),
 305                 .platform_data  = &mop500_tc35892_data,
 306         },
 307         /* I2C0 devices only available prior to HREFv60 */
 308         {
 309                 I2C_BOARD_INFO("tps61052", 0x33),
 310                 .platform_data  = &mop500_tps61052_data,
 311         },
 312 };
 313
 314 #define NUM_PRE_V60_I2C0_DEVICES 1
 315
 316 static struct i2c_board_info __initdata mop500_i2c2_devices[] = {
 317         {
 318                 /* lp5521 LED driver, 1st device */
 319                 I2C_BOARD_INFO("lp5521", 0x33),
 320                 .platform_data = &lp5521_pri_data,
 321         },
 322         {
 323                 /* lp5521 LED driver, 2st device */
 324                 I2C_BOARD_INFO("lp5521", 0x34),
 325                 .platform_data = &lp5521_sec_data,
 326         },
 327         {
 328                 /* Light sensor Rohm BH1780GLI */
 329                 I2C_BOARD_INFO("bh1780", 0x29),
 330         },
 331 };
 332
 333 #define U8500_I2C_CONTROLLER(id, _slsu, _tft, _rft, clk, t_out, _sm)    \
 334 static struct nmk_i2c_controller u8500_i2c##id##_data = { \
 335         /*                              \
 336          * slave data setup time, which is      \
 337          * 250 ns,100ns,10ns which is 14,6,2    \
 338          * respectively for a 48 Mhz    \
 339          * i2c clock                    \
 340          */                             \
 341         .slsu           = _slsu,        \
 342         /* Tx FIFO threshold */         \
 343         .tft            = _tft,         \
 344         /* Rx FIFO threshold */         \
 345         .rft            = _rft,         \
 346         /* std. mode operation */       \
 347         .clk_freq       = clk,          \
 348         /* Slave response timeout(ms) */\
 349         .timeout        = t_out,        \
 350         .sm             = _sm,          \
 351 }
 352
 353 /*
 354  * The board uses 4 i2c controllers, initialize all of
 355  * them with slave data setup time of 250 ns,
 356  * Tx & Rx FIFO threshold values as 8 and standard
 357  * mode of operation
 358  */
 359 U8500_I2C_CONTROLLER(0, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 360 U8500_I2C_CONTROLLER(1, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 361 U8500_I2C_CONTROLLER(2, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 362 U8500_I2C_CONTROLLER(3, 0xe, 1, 8, 100000, 200, I2C_FREQ_MODE_FAST);
 363
 364 static void __init mop500_i2c_init(struct device *parent)
 365 {
 366         db8500_add_i2c0(parent, &u8500_i2c0_data);
 367         db8500_add_i2c1(parent, &u8500_i2c1_data);
 368         db8500_add_i2c2(parent, &u8500_i2c2_data);
 369         db8500_add_i2c3(parent, &u8500_i2c3_data);
 370 }
 371
 372 static struct gpio_keys_button mop500_gpio_keys[] = {
 373         {
 374                 .desc                   = "SFH7741 Proximity Sensor",
 375                 .type                   = EV_SW,
 376                 .code                   = SW_FRONT_PROXIMITY,
 377                 .active_low             = 0,
 378                 .can_disable            = 1,
 379         }
 380 };
 381
 382 static struct regulator *prox_regulator;
 383 static int mop500_prox_activate(struct device *dev);
 384 static void mop500_prox_deactivate(struct device *dev);
 385
 386 static struct gpio_keys_platform_data mop500_gpio_keys_data = {
 387         .buttons        = mop500_gpio_keys,
 388         .nbuttons       = ARRAY_SIZE(mop500_gpio_keys),
 389         .enable         = mop500_prox_activate,
 390         .disable        = mop500_prox_deactivate,
 391 };
 392
 393 static struct platform_device mop500_gpio_keys_device = {
 394         .name   = "gpio-keys",
 395         .id     = 0,
 396         .dev    = {
 397                 .platform_data  = &mop500_gpio_keys_data,
 398         },
 399 };
 400
 401 static int mop500_prox_activate(struct device *dev)
 402 {
 403         prox_regulator = regulator_get(&mop500_gpio_keys_device.dev,
 404                                                 "vcc");
 405         if (IS_ERR(prox_regulator)) {
 406                 dev_err(&mop500_gpio_keys_device.dev,
 407                         "no regulator\n");
 408                 return PTR_ERR(prox_regulator);
 409         }
 410         regulator_enable(prox_regulator);
 411         return 0;
 412 }
 413
 414 static void mop500_prox_deactivate(struct device *dev)
 415 {
 416         regulator_disable(prox_regulator);
 417         regulator_put(prox_regulator);
 418 }
 419
 420 /* add any platform devices here - TODO */
 421 static struct platform_device *mop500_platform_devs[] __initdata = {
 422         &mop500_gpio_keys_device,
 423         &ab8500_device,
 424 };
 425
 426 #ifdef CONFIG_STE_DMA40
 427 static struct stedma40_chan_cfg ssp0_dma_cfg_rx = {
 428         .mode = STEDMA40_MODE_LOGICAL,
 429         .dir = STEDMA40_PERIPH_TO_MEM,
 430         .src_dev_type =  DB8500_DMA_DEV8_SSP0_RX,
 431         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 432         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 433         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 434 };
 435
 436 static struct stedma40_chan_cfg ssp0_dma_cfg_tx = {
 437         .mode = STEDMA40_MODE_LOGICAL,
 438         .dir = STEDMA40_MEM_TO_PERIPH,
 439         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 440         .dst_dev_type = DB8500_DMA_DEV8_SSP0_TX,
 441         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 442         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 443 };
 444 #endif
 445
 446 static struct pl022_ssp_controller ssp0_plat = {
 447         .bus_id = 0,
 448 #ifdef CONFIG_STE_DMA40
 449         .enable_dma = 1,
 450         .dma_filter = stedma40_filter,
 451         .dma_rx_param = &ssp0_dma_cfg_rx,
 452         .dma_tx_param = &ssp0_dma_cfg_tx,
 453 #else
 454         .enable_dma = 0,
 455 #endif
 456         /* on this platform, gpio 31,142,144,214 &
 457          * 224 are connected as chip selects
 458          */
 459         .num_chipselect = 5,
 460 };
 461
 462 static void __init mop500_spi_init(struct device *parent)
 463 {
 464         db8500_add_ssp0(parent, &ssp0_plat);
 465 }
 466
 467 #ifdef CONFIG_STE_DMA40
 468 static struct stedma40_chan_cfg uart0_dma_cfg_rx = {
 469         .mode = STEDMA40_MODE_LOGICAL,
 470         .dir = STEDMA40_PERIPH_TO_MEM,
 471         .src_dev_type =  DB8500_DMA_DEV13_UART0_RX,
 472         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 473         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 474         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 475 };
 476
 477 static struct stedma40_chan_cfg uart0_dma_cfg_tx = {
 478         .mode = STEDMA40_MODE_LOGICAL,
 479         .dir = STEDMA40_MEM_TO_PERIPH,
 480         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 481         .dst_dev_type = DB8500_DMA_DEV13_UART0_TX,
 482         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 483         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 484 };
 485
 486 static struct stedma40_chan_cfg uart1_dma_cfg_rx = {
 487         .mode = STEDMA40_MODE_LOGICAL,
 488         .dir = STEDMA40_PERIPH_TO_MEM,
 489         .src_dev_type =  DB8500_DMA_DEV12_UART1_RX,
 490         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 491         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 492         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 493 };
 494
 495 static struct stedma40_chan_cfg uart1_dma_cfg_tx = {
 496         .mode = STEDMA40_MODE_LOGICAL,
 497         .dir = STEDMA40_MEM_TO_PERIPH,
 498         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 499         .dst_dev_type = DB8500_DMA_DEV12_UART1_TX,
 500         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 501         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 502 };
 503
 504 static struct stedma40_chan_cfg uart2_dma_cfg_rx = {
 505         .mode = STEDMA40_MODE_LOGICAL,
 506         .dir = STEDMA40_PERIPH_TO_MEM,
 507         .src_dev_type =  DB8500_DMA_DEV11_UART2_RX,
 508         .dst_dev_type = STEDMA40_DEV_DST_MEMORY,
 509         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 510         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 511 };
 512
 513 static struct stedma40_chan_cfg uart2_dma_cfg_tx = {
 514         .mode = STEDMA40_MODE_LOGICAL,
 515         .dir = STEDMA40_MEM_TO_PERIPH,
 516         .src_dev_type = STEDMA40_DEV_SRC_MEMORY,
 517         .dst_dev_type = DB8500_DMA_DEV11_UART2_TX,
 518         .src_info.data_width = STEDMA40_BYTE_WIDTH,
 519         .dst_info.data_width = STEDMA40_BYTE_WIDTH,
 520 };
 521 #endif
 522
 523 #define PRCC_K_SOFTRST_SET      0x18
 524 #define PRCC_K_SOFTRST_CLEAR    0x1C
 525 static void ux500_uart0_reset(void)
 526 {
 527         void __iomem *prcc_rst_set, *prcc_rst_clr;
 528
 529         prcc_rst_set = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
 530                         PRCC_K_SOFTRST_SET);
 531         prcc_rst_clr = (void __iomem *)IO_ADDRESS(U8500_CLKRST1_BASE +
 532                         PRCC_K_SOFTRST_CLEAR);
 533
 534         /* Activate soft reset PRCC_K_SOFTRST_CLEAR */
 535         writel((readl(prcc_rst_clr) | 0x1), prcc_rst_clr);
 536         udelay(1);
 537
 538         /* Release soft reset PRCC_K_SOFTRST_SET */
 539         writel((readl(prcc_rst_set) | 0x1), prcc_rst_set);
 540         udelay(1);
 541 }
 542
 543 /* This needs to be referenced by callbacks */
 544 struct pinctrl *u0_p;
 545 struct pinctrl_state *u0_def;
 546 struct pinctrl_state *u0_sleep;
 547
 548 static void ux500_uart0_init(void)
 549 {
 550         int ret;
 551
 552         if (IS_ERR(u0_p) || IS_ERR(u0_def))
 553                 return;
 554
 555         ret = pinctrl_select_state(u0_p, u0_def);
 556         if (ret)
 557                 pr_err("could not set UART0 defstate\n");
 558 }
 559
 560 static void ux500_uart0_exit(void)
 561 {
 562         int ret;
 563
 564         if (IS_ERR(u0_p) || IS_ERR(u0_sleep))
 565                 return;
 566
 567         ret = pinctrl_select_state(u0_p, u0_sleep);
 568         if (ret)
 569                 pr_err("could not set UART0 idlestate\n");
 570 }
 571
 572 static struct amba_pl011_data uart0_plat = {
 573 #ifdef CONFIG_STE_DMA40
 574         .dma_filter = stedma40_filter,
 575         .dma_rx_param = &uart0_dma_cfg_rx,
 576         .dma_tx_param = &uart0_dma_cfg_tx,
 577 #endif
 578         .init = ux500_uart0_init,
 579         .exit = ux500_uart0_exit,
 580         .reset = ux500_uart0_reset,
 581 };
 582
 583 static struct amba_pl011_data uart1_plat = {
 584 #ifdef CONFIG_STE_DMA40
 585         .dma_filter = stedma40_filter,
 586         .dma_rx_param = &uart1_dma_cfg_rx,
 587         .dma_tx_param = &uart1_dma_cfg_tx,
 588 #endif
 589 };
 590
 591 static struct amba_pl011_data uart2_plat = {
 592 #ifdef CONFIG_STE_DMA40
 593         .dma_filter = stedma40_filter,
 594         .dma_rx_param = &uart2_dma_cfg_rx,
 595         .dma_tx_param = &uart2_dma_cfg_tx,
 596 #endif
 597 };
 598
 599 static void __init mop500_uart_init(struct device *parent)
 600 {
 601         struct amba_device *uart0_device;
 602
 603         uart0_device = db8500_add_uart0(parent, &uart0_plat);
 604         if (uart0_device) {
 605                 u0_p = pinctrl_get(&uart0_device->dev);
 606                 if (IS_ERR(u0_p))
 607                         dev_err(&uart0_device->dev,
 608                                 "could not get UART0 pinctrl\n");
 609                 else {
 610                         u0_def = pinctrl_lookup_state(u0_p,
 611                                                       PINCTRL_STATE_DEFAULT);
 612                         if (IS_ERR(u0_def)) {
 613                                 dev_err(&uart0_device->dev,
 614                                         "could not get UART0 defstate\n");
 615                         }
 616                         u0_sleep = pinctrl_lookup_state(u0_p,
 617                                                         PINCTRL_STATE_SLEEP);
 618                         if (IS_ERR(u0_sleep))
 619                                 dev_err(&uart0_device->dev,
 620                                         "could not get UART0 idlestate\n");
 621                 }
 622         }
 623         db8500_add_uart1(parent, &uart1_plat);
 624         db8500_add_uart2(parent, &uart2_plat);
 625 }
 626
 627 static struct platform_device *snowball_platform_devs[] __initdata = {
 628         &snowball_led_dev,
 629         &snowball_key_dev,
 630         &ab8500_device,
 631 };
 632
 633 static void __init mop500_init_machine(void)
 634 {
 635         struct device *parent = NULL;
 636         int i2c0_devs;
 637         int i;
 638
 639         mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 640
 641         mop500_pinmaps_init();
 642         parent = u8500_init_devices();
 643
 644         /* FIXME: parent of ab8500 should be prcmu */
 645         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 646                 mop500_platform_devs[i]->dev.parent = parent;
 647
 648         platform_add_devices(mop500_platform_devs,
 649                         ARRAY_SIZE(mop500_platform_devs));
 650
 651         mop500_i2c_init(parent);
 652         mop500_sdi_init(parent);
 653         mop500_spi_init(parent);
 654         mop500_msp_init(parent);
 655         mop500_uart_init(parent);
 656
 657         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 658
 659         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 660         i2c_register_board_info(2, mop500_i2c2_devices,
 661                                 ARRAY_SIZE(mop500_i2c2_devices));
 662
 663         /* This board has full regulator constraints */
 664         regulator_has_full_constraints();
 665 }
 666
 667 static void __init snowball_init_machine(void)
 668 {
 669         struct device *parent = NULL;
 670         int i;
 671
 672         snowball_pinmaps_init();
 673         parent = u8500_init_devices();
 674
 675         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
 676                 snowball_platform_devs[i]->dev.parent = parent;
 677
 678         platform_add_devices(snowball_platform_devs,
 679                         ARRAY_SIZE(snowball_platform_devs));
 680
 681         mop500_i2c_init(parent);
 682         snowball_sdi_init(parent);
 683         mop500_spi_init(parent);
 684         mop500_msp_init(parent);
 685         mop500_uart_init(parent);
 686
 687         /* This board has full regulator constraints */
 688         regulator_has_full_constraints();
 689 }
 690
 691 static void __init hrefv60_init_machine(void)
 692 {
 693         struct device *parent = NULL;
 694         int i2c0_devs;
 695         int i;
 696
 697         /*
 698          * The HREFv60 board removed a GPIO expander and routed
 699          * all these GPIO pins to the internal GPIO controller
 700          * instead.
 701          */
 702         mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 703
 704         hrefv60_pinmaps_init();
 705         parent = u8500_init_devices();
 706
 707         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 708                 mop500_platform_devs[i]->dev.parent = parent;
 709
 710         platform_add_devices(mop500_platform_devs,
 711                         ARRAY_SIZE(mop500_platform_devs));
 712
 713         mop500_i2c_init(parent);
 714         hrefv60_sdi_init(parent);
 715         mop500_spi_init(parent);
 716         mop500_msp_init(parent);
 717         mop500_uart_init(parent);
 718
 719         i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 720
 721         i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
 722
 723         i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 724         i2c_register_board_info(2, mop500_i2c2_devices,
 725                                 ARRAY_SIZE(mop500_i2c2_devices));
 726
 727         /* This board has full regulator constraints */
 728         regulator_has_full_constraints();
 729 }
 730
 731 MACHINE_START(U8500, "ST-Ericsson MOP500 platform")
 732         /* Maintainer: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com> */
 733         .atag_offset    = 0x100,
 734         .map_io         = u8500_map_io,
 735         .init_irq       = ux500_init_irq,
 736         /* we re-use nomadik timer here */
 737         .timer          = &ux500_timer,
 738         .handle_irq     = gic_handle_irq,
 739         .init_machine   = mop500_init_machine,
 740 MACHINE_END
 741
 742 MACHINE_START(HREFV60, "ST-Ericsson U8500 Platform HREFv60+")
 743         .atag_offset    = 0x100,
 744         .map_io         = u8500_map_io,
 745         .init_irq       = ux500_init_irq,
 746         .timer          = &ux500_timer,
 747         .handle_irq     = gic_handle_irq,
 748         .init_machine   = hrefv60_init_machine,
 749 MACHINE_END
 750
 751 MACHINE_START(SNOWBALL, "Calao Systems Snowball platform")
 752         .atag_offset    = 0x100,
 753         .map_io         = u8500_map_io,
 754         .init_irq       = ux500_init_irq,
 755         /* we re-use nomadik timer here */
 756         .timer          = &ux500_timer,
 757         .handle_irq     = gic_handle_irq,
 758         .init_machine   = snowball_init_machine,
 759 MACHINE_END
 760
 761 #ifdef CONFIG_MACH_UX500_DT
 762
 763 struct of_dev_auxdata u8500_auxdata_lookup[] __initdata = {
 764         /* Requires DMA and call-back bindings. */
 765         OF_DEV_AUXDATA("arm,pl011", 0x80120000, "uart0", &uart0_plat),
 766         OF_DEV_AUXDATA("arm,pl011", 0x80121000, "uart1", &uart1_plat),
 767         OF_DEV_AUXDATA("arm,pl011", 0x80007000, "uart2", &uart2_plat),
 768         /* Requires DMA bindings. */
 769         OF_DEV_AUXDATA("arm,pl022", 0x80002000, "ssp0",  &ssp0_plat),
 770         /* Requires clock name bindings. */
 771         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e000, "gpio.0", NULL),
 772         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8012e080, "gpio.1", NULL),
 773         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e000, "gpio.2", NULL),
 774         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e080, "gpio.3", NULL),
 775         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e100, "gpio.4", NULL),
 776         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8000e180, "gpio.5", NULL),
 777         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e000, "gpio.6", NULL),
 778         OF_DEV_AUXDATA("st,nomadik-gpio", 0x8011e080, "gpio.7", NULL),
 779         OF_DEV_AUXDATA("st,nomadik-gpio", 0xa03fe000, "gpio.8", NULL),
 780         {},
 781 };
 782
 783 static const struct of_device_id u8500_local_bus_nodes[] = {
 784         /* only create devices below soc node */
 785         { .compatible = "stericsson,db8500", },
 786         { .compatible = "simple-bus"},
 787         { },
 788 };
 789
 790 static void __init u8500_init_machine(void)
 791 {
 792         struct device *parent = NULL;
 793         int i2c0_devs;
 794         int i;
 795
 796         /* Pinmaps must be in place before devices register */
 797         if (of_machine_is_compatible("st-ericsson,mop500"))
 798                 mop500_pinmaps_init();
 799         else if (of_machine_is_compatible("calaosystems,snowball-a9500"))
 800                 snowball_pinmaps_init();
 801         else if (of_machine_is_compatible("st-ericsson,hrefv60+"))
 802                 hrefv60_pinmaps_init();
 803
 804         parent = u8500_init_devices();
 805
 806         for (i = 0; i < ARRAY_SIZE(mop500_platform_devs); i++)
 807                 mop500_platform_devs[i]->dev.parent = parent;
 808         for (i = 0; i < ARRAY_SIZE(snowball_platform_devs); i++)
 809                 snowball_platform_devs[i]->dev.parent = parent;
 810
 811         /* automatically probe child nodes of db8500 device */
 812         of_platform_populate(NULL, u8500_local_bus_nodes, u8500_auxdata_lookup, parent);
 813
 814         if (of_machine_is_compatible("st-ericsson,mop500")) {
 815                 mop500_gpio_keys[0].gpio = GPIO_PROX_SENSOR;
 816
 817                 platform_add_devices(mop500_platform_devs,
 818                                 ARRAY_SIZE(mop500_platform_devs));
 819
 820                 mop500_sdi_init(parent);
 821
 822                 i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 823                 i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 824                 i2c_register_board_info(2, mop500_i2c2_devices,
 825                                         ARRAY_SIZE(mop500_i2c2_devices));
 826
 827         } else if (of_machine_is_compatible("calaosystems,snowball-a9500")) {
 828                 platform_add_devices(snowball_platform_devs,
 829                                 ARRAY_SIZE(snowball_platform_devs));
 830
 831                 snowball_sdi_init(parent);
 832         } else if (of_machine_is_compatible("st-ericsson,hrefv60+")) {
 833                 /*
 834                  * The HREFv60 board removed a GPIO expander and routed
 835                  * all these GPIO pins to the internal GPIO controller
 836                  * instead.
 837                  */
 838                 mop500_gpio_keys[0].gpio = HREFV60_PROX_SENSE_GPIO;
 839                 platform_add_devices(mop500_platform_devs,
 840                                 ARRAY_SIZE(mop500_platform_devs));
 841
 842                 hrefv60_sdi_init(parent);
 843
 844                 i2c0_devs = ARRAY_SIZE(mop500_i2c0_devices);
 845                 i2c0_devs -= NUM_PRE_V60_I2C0_DEVICES;
 846
 847                 i2c_register_board_info(0, mop500_i2c0_devices, i2c0_devs);
 848                 i2c_register_board_info(2, mop500_i2c2_devices,
 849                                         ARRAY_SIZE(mop500_i2c2_devices));
 850         }
 851         mop500_i2c_init(parent);
 852
 853         /* This board has full regulator constraints */
 854         regulator_has_full_constraints();
 855 }
 856
 857 static const char * u8500_dt_board_compat[] = {
 858         "calaosystems,snowball-a9500",
 859         "st-ericsson,hrefv60+",
 860         "st-ericsson,u8500",
 861         "st-ericsson,mop500",
 862         NULL,
 863 };
 864
 865
 866 DT_MACHINE_START(U8500_DT, "ST-Ericsson U8500 platform (Device Tree Support)")
 867         .map_io         = u8500_map_io,
 868         .init_irq       = ux500_init_irq,
 869         /* we re-use nomadik timer here */
 870         .timer          = &ux500_timer,
 871         .handle_irq     = gic_handle_irq,
 872         .init_machine   = u8500_init_machine,
 873         .dt_compat      = u8500_dt_board_compat,
 874 MACHINE_END
 875 #endif