arch/arm/mach-mx3/mach-cpuimx35.c

   1 /*
   2  * Copyright (C) 2010 Eric Benard - eric@eukrea.com
   3  * Copyright (C) 2009 Sascha Hauer, Pengutronix
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  18  */
  19
  20 #include <linux/types.h>
  21 #include <linux/init.h>
  22
  23 #include <linux/platform_device.h>
  24 #include <linux/mtd/physmap.h>
  25 #include <linux/memory.h>
  26 #include <linux/gpio.h>
  27 #include <linux/interrupt.h>
  28 #include <linux/delay.h>
  29 #include <linux/i2c.h>
  30 #include <linux/i2c/tsc2007.h>
  31 #include <linux/usb/otg.h>
  32 #include <linux/usb/ulpi.h>
  33 #include <linux/fsl_devices.h>
  34 #include <linux/i2c-gpio.h>
  35
  36 #include <asm/mach-types.h>
  37 #include <asm/mach/arch.h>
  38 #include <asm/mach/time.h>
  39 #include <asm/mach/map.h>
  40
  41 #include <mach/eukrea-baseboards.h>
  42 #include <mach/hardware.h>
  43 #include <mach/common.h>
  44 #include <mach/iomux-mx35.h>
  45 #include <mach/mxc_nand.h>
  46 #include <mach/mxc_ehci.h>
  47
  48 #include "devices-imx35.h"
  49 #include "devices.h"
  50
  51 static const struct imxuart_platform_data uart_pdata __initconst = {
  52         .flags = IMXUART_HAVE_RTSCTS,
  53 };
  54
  55 static const struct imxi2c_platform_data
  56                 eukrea_cpuimx35_i2c0_data __initconst = {
  57         .bitrate =              100000,
  58 };
  59
  60 static struct tsc2007_platform_data tsc2007_info = {
  61         .model                  = 2007,
  62         .x_plate_ohms           = 180,
  63 };
  64
  65 #define TSC2007_IRQGPIO         (2 * 32 + 2)
  66 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
  67         {
  68                 I2C_BOARD_INFO("pcf8563", 0x51),
  69         }, {
  70                 I2C_BOARD_INFO("tsc2007", 0x48),
  71                 .type           = "tsc2007",
  72                 .platform_data  = &tsc2007_info,
  73                 .irq            = gpio_to_irq(TSC2007_IRQGPIO),
  74         },
  75 };
  76
  77 static struct platform_device *devices[] __initdata = {
  78         &imx_wdt_device0,
  79 };
  80
  81 static struct pad_desc eukrea_cpuimx35_pads[] = {
  82         /* UART1 */
  83         MX35_PAD_CTS1__UART1_CTS,
  84         MX35_PAD_RTS1__UART1_RTS,
  85         MX35_PAD_TXD1__UART1_TXD_MUX,
  86         MX35_PAD_RXD1__UART1_RXD_MUX,
  87         /* FEC */
  88         MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
  89         MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
  90         MX35_PAD_FEC_RX_DV__FEC_RX_DV,
  91         MX35_PAD_FEC_COL__FEC_COL,
  92         MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
  93         MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
  94         MX35_PAD_FEC_TX_EN__FEC_TX_EN,
  95         MX35_PAD_FEC_MDC__FEC_MDC,
  96         MX35_PAD_FEC_MDIO__FEC_MDIO,
  97         MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
  98         MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
  99         MX35_PAD_FEC_CRS__FEC_CRS,
 100         MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
 101         MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
 102         MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
 103         MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
 104         MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
 105         MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
 106         /* I2C1 */
 107         MX35_PAD_I2C1_CLK__I2C1_SCL,
 108         MX35_PAD_I2C1_DAT__I2C1_SDA,
 109         /* TSC2007 IRQ */
 110         MX35_PAD_ATA_DA2__GPIO3_2,
 111 };
 112
 113 static const struct mxc_nand_platform_data
 114                 eukrea_cpuimx35_nand_board_info __initconst = {
 115         .width          = 1,
 116         .hw_ecc         = 1,
 117         .flash_bbt      = 1,
 118 };
 119
 120 static struct mxc_usbh_platform_data __maybe_unused otg_pdata = {
 121         .portsc = MXC_EHCI_MODE_UTMI,
 122         .flags  = MXC_EHCI_INTERFACE_DIFF_UNI,
 123 };
 124
 125 static struct mxc_usbh_platform_data __maybe_unused usbh1_pdata = {
 126         .portsc = MXC_EHCI_MODE_SERIAL,
 127         .flags  = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
 128                   MXC_EHCI_IPPUE_DOWN,
 129 };
 130
 131 static struct fsl_usb2_platform_data otg_device_pdata = {
 132         .operating_mode = FSL_USB2_DR_DEVICE,
 133         .phy_mode       = FSL_USB2_PHY_UTMI,
 134         .workaround     = FLS_USB2_WORKAROUND_ENGCM09152,
 135 };
 136
 137 static int otg_mode_host;
 138
 139 static int __init eukrea_cpuimx35_otg_mode(char *options)
 140 {
 141         if (!strcmp(options, "host"))
 142                 otg_mode_host = 1;
 143         else if (!strcmp(options, "device"))
 144                 otg_mode_host = 0;
 145         else
 146                 pr_info("otg_mode neither \"host\" nor \"device\". "
 147                         "Defaulting to device\n");
 148         return 0;
 149 }
 150 __setup("otg_mode=", eukrea_cpuimx35_otg_mode);
 151
 152 /*
 153  * Board specific initialization.
 154  */
 155 static void __init mxc_board_init(void)
 156 {
 157         mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
 158                         ARRAY_SIZE(eukrea_cpuimx35_pads));
 159
 160         imx35_add_fec(NULL);
 161         platform_add_devices(devices, ARRAY_SIZE(devices));
 162
 163         imx35_add_imx_uart0(&uart_pdata);
 164         imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
 165
 166         i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
 167                         ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
 168         imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
 169
 170         if (otg_mode_host)
 171                 mxc_register_device(&mxc_otg_host, &otg_pdata);
 172         else
 173                 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
 174
 175         mxc_register_device(&mxc_usbh1, &usbh1_pdata);
 176
 177 #ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
 178         eukrea_mbimxsd35_baseboard_init();
 179 #endif
 180 }
 181
 182 static void __init eukrea_cpuimx35_timer_init(void)
 183 {
 184         mx35_clocks_init();
 185 }
 186
 187 struct sys_timer eukrea_cpuimx35_timer = {
 188         .init   = eukrea_cpuimx35_timer_init,
 189 };
 190
 191 MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")
 192         /* Maintainer: Eukrea Electromatique */
 193         .boot_params    = MX3x_PHYS_OFFSET + 0x100,
 194         .map_io         = mx35_map_io,
 195         .init_irq       = mx35_init_irq,
 196         .init_machine   = mxc_board_init,
 197         .timer          = &eukrea_cpuimx35_timer,
 198 MACHINE_END