arch/arm/mach-imx/mach-mx31lilly.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *  LILLY-1131 module support
   4  *
   5  *    Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
   6  *
   7  *  based on code for other MX31 boards,
   8  *
   9  *    Copyright 2005-2007 Freescale Semiconductor
  10  *    Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
  11  *    Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
  12  */
  13
  14 #include <linux/types.h>
  15 #include <linux/init.h>
  16 #include <linux/clk.h>
  17 #include <linux/gpio.h>
  18 #include <linux/delay.h>
  19 #include <linux/platform_device.h>
  20 #include <linux/interrupt.h>
  21 #include <linux/moduleparam.h>
  22 #include <linux/smsc911x.h>
  23 #include <linux/mtd/physmap.h>
  24 #include <linux/spi/spi.h>
  25 #include <linux/mfd/mc13783.h>
  26 #include <linux/usb/otg.h>
  27 #include <linux/usb/ulpi.h>
  28 #include <linux/regulator/machine.h>
  29 #include <linux/regulator/fixed.h>
  30
  31 #include <asm/mach-types.h>
  32 #include <asm/mach/arch.h>
  33 #include <asm/mach/time.h>
  34 #include <asm/mach/map.h>
  35
  36 #include "board-mx31lilly.h"
  37 #include "common.h"
  38 #include "devices-imx31.h"
  39 #include "ehci.h"
  40 #include "hardware.h"
  41 #include "iomux-mx3.h"
  42 #include "ulpi.h"
  43
  44 /*
  45  * This file contains module-specific initialization routines for LILLY-1131.
  46  * Initialization of peripherals found on the baseboard is implemented in the
  47  * appropriate baseboard support code.
  48  */
  49
  50 static unsigned int mx31lilly_pins[] __initdata = {
  51         MX31_PIN_CTS1__CTS1,
  52         MX31_PIN_RTS1__RTS1,
  53         MX31_PIN_TXD1__TXD1,
  54         MX31_PIN_RXD1__RXD1,
  55         MX31_PIN_CTS2__CTS2,
  56         MX31_PIN_RTS2__RTS2,
  57         MX31_PIN_TXD2__TXD2,
  58         MX31_PIN_RXD2__RXD2,
  59         MX31_PIN_CSPI3_MOSI__RXD3,
  60         MX31_PIN_CSPI3_MISO__TXD3,
  61         MX31_PIN_CSPI3_SCLK__RTS3,
  62         MX31_PIN_CSPI3_SPI_RDY__CTS3,
  63 };
  64
  65 /* UART */
  66 static const struct imxuart_platform_data uart_pdata __initconst = {
  67         .flags = IMXUART_HAVE_RTSCTS,
  68 };
  69
  70 /* SMSC ethernet support */
  71
  72 static struct resource smsc91x_resources[] = {
  73         {
  74                 .start  = MX31_CS4_BASE_ADDR,
  75                 .end    = MX31_CS4_BASE_ADDR + 0xffff,
  76                 .flags  = IORESOURCE_MEM,
  77         },
  78         {
  79                 /* irq number is run-time assigned */
  80                 .flags  = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  81         }
  82 };
  83
  84 static struct smsc911x_platform_config smsc911x_config = {
  85         .phy_interface  = PHY_INTERFACE_MODE_MII,
  86         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
  87         .irq_type       = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
  88         .flags          = SMSC911X_USE_32BIT |
  89                           SMSC911X_SAVE_MAC_ADDRESS |
  90                           SMSC911X_FORCE_INTERNAL_PHY,
  91 };
  92
  93 static struct platform_device smsc91x_device = {
  94         .name           = "smsc911x",
  95         .id             = -1,
  96         .num_resources  = ARRAY_SIZE(smsc91x_resources),
  97         .resource       = smsc91x_resources,
  98         .dev            = {
  99                 .platform_data = &smsc911x_config,
 100         }
 101 };
 102
 103 /* NOR flash */
 104 static struct physmap_flash_data nor_flash_data = {
 105         .width  = 2,
 106 };
 107
 108 static struct resource nor_flash_resource = {
 109         .start  = 0xa0000000,
 110         .end    = 0xa1ffffff,
 111         .flags  = IORESOURCE_MEM,
 112 };
 113
 114 static struct platform_device physmap_flash_device = {
 115         .name   = "physmap-flash",
 116         .id     = 0,
 117         .dev    = {
 118                 .platform_data  = &nor_flash_data,
 119         },
 120         .resource = &nor_flash_resource,
 121         .num_resources = 1,
 122 };
 123
 124 /* USB */
 125
 126 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
 127                         PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
 128
 129 static int usbh1_init(struct platform_device *pdev)
 130 {
 131         int pins[] = {
 132                 MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
 133                 MX31_PIN_CSPI1_MISO__USBH1_RXDP,
 134                 MX31_PIN_CSPI1_SS0__USBH1_TXDM,
 135                 MX31_PIN_CSPI1_SS1__USBH1_TXDP,
 136                 MX31_PIN_CSPI1_SS2__USBH1_RCV,
 137                 MX31_PIN_CSPI1_SCLK__USBH1_OEB,
 138                 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
 139         };
 140
 141         mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
 142
 143         mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
 144         mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
 145         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
 146         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
 147         mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
 148         mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
 149         mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
 150
 151         mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
 152
 153         mdelay(10);
 154
 155         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
 156                         MXC_EHCI_INTERFACE_SINGLE_UNI);
 157 }
 158
 159 static int usbh2_init(struct platform_device *pdev)
 160 {
 161         int pins[] = {
 162                 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
 163                 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
 164                 MX31_PIN_USBH2_CLK__USBH2_CLK,
 165                 MX31_PIN_USBH2_DIR__USBH2_DIR,
 166                 MX31_PIN_USBH2_NXT__USBH2_NXT,
 167                 MX31_PIN_USBH2_STP__USBH2_STP,
 168         };
 169
 170         mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
 171
 172         mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
 173         mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
 174         mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
 175         mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
 176         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
 177         mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
 178         mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
 179         mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
 180         mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
 181         mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
 182         mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
 183         mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
 184
 185         mxc_iomux_set_gpr(MUX_PGP_UH2, true);
 186
 187         /* chip select */
 188         mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
 189                                 "USBH2_CS");
 190         gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
 191         gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
 192
 193         mdelay(10);
 194
 195         return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
 196 }
 197
 198 static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
 199         .init   = usbh1_init,
 200         .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
 201 };
 202
 203 static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
 204         .init   = usbh2_init,
 205         .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
 206 };
 207
 208 static void __init lilly1131_usb_init(void)
 209 {
 210         imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
 211
 212         usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
 213                         ULPI_OTG_DRVVBUS_EXT);
 214         if (usbh2_pdata.otg)
 215                 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
 216 }
 217
 218 /* SPI */
 219
 220 static const struct spi_imx_master spi0_pdata __initconst = {
 221         .num_chipselect = 3,
 222 };
 223
 224 static const struct spi_imx_master spi1_pdata __initconst = {
 225         .num_chipselect = 3,
 226 };
 227
 228 static struct mc13xxx_platform_data mc13783_pdata __initdata = {
 229         .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
 230 };
 231
 232 static struct spi_board_info mc13783_dev __initdata = {
 233         .modalias       = "mc13783",
 234         .max_speed_hz   = 1000000,
 235         .bus_num        = 1,
 236         .chip_select    = 0,
 237         .platform_data  = &mc13783_pdata,
 238         /* irq number is run-time assigned */
 239 };
 240
 241 static struct platform_device *devices[] __initdata = {
 242         &smsc91x_device,
 243         &physmap_flash_device,
 244 };
 245
 246 static int mx31lilly_baseboard;
 247 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
 248
 249 static struct regulator_consumer_supply dummy_supplies[] = {
 250         REGULATOR_SUPPLY("vdd33a", "smsc911x"),
 251         REGULATOR_SUPPLY("vddvario", "smsc911x"),
 252 };
 253
 254 static void __init mx31lilly_board_init(void)
 255 {
 256         imx31_soc_init();
 257
 258         mxc_iomux_setup_multiple_pins(mx31lilly_pins,
 259                                       ARRAY_SIZE(mx31lilly_pins), "mx31lily");
 260
 261         imx31_add_imx_uart0(&uart_pdata);
 262         imx31_add_imx_uart1(&uart_pdata);
 263         imx31_add_imx_uart2(&uart_pdata);
 264
 265         mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
 266
 267         /* SPI */
 268         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
 269         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
 270         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
 271         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
 272         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
 273         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
 274         mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
 275
 276         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
 277         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
 278         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
 279         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
 280         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
 281         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
 282         mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
 283
 284         imx31_add_spi_imx0(&spi0_pdata);
 285         imx31_add_spi_imx1(&spi1_pdata);
 286
 287         regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
 288 }
 289
 290 static void __init mx31lilly_late_init(void)
 291 {
 292         if (mx31lilly_baseboard == MX31LILLY_DB)
 293                 mx31lilly_db_init();
 294
 295         mc13783_dev.irq = gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
 296         spi_register_board_info(&mc13783_dev, 1);
 297
 298         smsc91x_resources[1].start =
 299                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
 300         smsc91x_resources[1].end =
 301                         gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_0));
 302         platform_add_devices(devices, ARRAY_SIZE(devices));
 303
 304         /* USB */
 305         lilly1131_usb_init();
 306 }
 307
 308 static void __init mx31lilly_timer_init(void)
 309 {
 310         mx31_clocks_init(26000000);
 311 }
 312
 313 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
 314         .atag_offset = 0x100,
 315         .map_io = mx31_map_io,
 316         .init_early = imx31_init_early,
 317         .init_irq = mx31_init_irq,
 318         .init_time      = mx31lilly_timer_init,
 319         .init_machine   = mx31lilly_board_init,
 320         .init_late      = mx31lilly_late_init,
 321         .restart        = mxc_restart,
 322 MACHINE_END