| /* |
| * Copyright (C) 2010 Eric Benard - eric@eukrea.com |
| * Copyright (C) 2009 Sascha Hauer, Pengutronix |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include <linux/types.h> |
| #include <linux/init.h> |
| |
| #include <linux/platform_device.h> |
| #include <linux/mtd/physmap.h> |
| #include <linux/memory.h> |
| #include <linux/gpio.h> |
| #include <linux/interrupt.h> |
| #include <linux/delay.h> |
| #include <linux/i2c.h> |
| #include <linux/i2c/tsc2007.h> |
| #include <linux/usb/otg.h> |
| #include <linux/usb/ulpi.h> |
| #include <linux/fsl_devices.h> |
| |
| #include <asm/mach-types.h> |
| #include <asm/mach/arch.h> |
| #include <asm/mach/time.h> |
| #include <asm/mach/map.h> |
| |
| #include <mach/board-eukrea_cpuimx35.h> |
| #include <mach/hardware.h> |
| #include <mach/common.h> |
| #include <mach/iomux-mx35.h> |
| #include <mach/mxc_nand.h> |
| #include <mach/mxc_ehci.h> |
| #include <mach/ulpi.h> |
| |
| #include "devices-imx35.h" |
| #include "devices.h" |
| |
| static const struct imxuart_platform_data uart_pdata __initconst = { |
| .flags = IMXUART_HAVE_RTSCTS, |
| }; |
| |
| static const struct imxi2c_platform_data |
| eukrea_cpuimx35_i2c0_data __initconst = { |
| .bitrate = 50000, |
| }; |
| |
| #define TSC2007_IRQGPIO (2 * 32 + 2) |
| static int ts_get_pendown_state(void) |
| { |
| int val = 0; |
| gpio_free(TSC2007_IRQGPIO); |
| gpio_request(TSC2007_IRQGPIO, NULL); |
| gpio_direction_input(TSC2007_IRQGPIO); |
| |
| val = gpio_get_value(TSC2007_IRQGPIO); |
| |
| gpio_free(TSC2007_IRQGPIO); |
| gpio_request(TSC2007_IRQGPIO, NULL); |
| |
| return val ? 0 : 1; |
| } |
| |
| static int ts_init(void) |
| { |
| gpio_request(TSC2007_IRQGPIO, NULL); |
| return 0; |
| } |
| |
| static struct tsc2007_platform_data tsc2007_info = { |
| .model = 2007, |
| .x_plate_ohms = 180, |
| .get_pendown_state = ts_get_pendown_state, |
| .init_platform_hw = ts_init, |
| }; |
| |
| static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = { |
| { |
| I2C_BOARD_INFO("pcf8563", 0x51), |
| }, { |
| I2C_BOARD_INFO("tsc2007", 0x48), |
| .type = "tsc2007", |
| .platform_data = &tsc2007_info, |
| .irq = gpio_to_irq(TSC2007_IRQGPIO), |
| }, |
| }; |
| |
| static struct platform_device *devices[] __initdata = { |
| &mxc_fec_device, |
| &imx_wdt_device0, |
| }; |
| |
| static struct pad_desc eukrea_cpuimx35_pads[] = { |
| /* UART1 */ |
| MX35_PAD_CTS1__UART1_CTS, |
| MX35_PAD_RTS1__UART1_RTS, |
| MX35_PAD_TXD1__UART1_TXD_MUX, |
| MX35_PAD_RXD1__UART1_RXD_MUX, |
| /* FEC */ |
| MX35_PAD_FEC_TX_CLK__FEC_TX_CLK, |
| MX35_PAD_FEC_RX_CLK__FEC_RX_CLK, |
| MX35_PAD_FEC_RX_DV__FEC_RX_DV, |
| MX35_PAD_FEC_COL__FEC_COL, |
| MX35_PAD_FEC_RDATA0__FEC_RDATA_0, |
| MX35_PAD_FEC_TDATA0__FEC_TDATA_0, |
| MX35_PAD_FEC_TX_EN__FEC_TX_EN, |
| MX35_PAD_FEC_MDC__FEC_MDC, |
| MX35_PAD_FEC_MDIO__FEC_MDIO, |
| MX35_PAD_FEC_TX_ERR__FEC_TX_ERR, |
| MX35_PAD_FEC_RX_ERR__FEC_RX_ERR, |
| MX35_PAD_FEC_CRS__FEC_CRS, |
| MX35_PAD_FEC_RDATA1__FEC_RDATA_1, |
| MX35_PAD_FEC_TDATA1__FEC_TDATA_1, |
| MX35_PAD_FEC_RDATA2__FEC_RDATA_2, |
| MX35_PAD_FEC_TDATA2__FEC_TDATA_2, |
| MX35_PAD_FEC_RDATA3__FEC_RDATA_3, |
| MX35_PAD_FEC_TDATA3__FEC_TDATA_3, |
| /* I2C1 */ |
| MX35_PAD_I2C1_CLK__I2C1_SCL, |
| MX35_PAD_I2C1_DAT__I2C1_SDA, |
| /* TSC2007 IRQ */ |
| MX35_PAD_ATA_DA2__GPIO3_2, |
| }; |
| |
| static const struct mxc_nand_platform_data |
| eukrea_cpuimx35_nand_board_info __initconst = { |
| .width = 1, |
| .hw_ecc = 1, |
| .flash_bbt = 1, |
| }; |
| |
| static struct mxc_usbh_platform_data otg_pdata = { |
| .portsc = MXC_EHCI_MODE_UTMI, |
| .flags = MXC_EHCI_INTERFACE_DIFF_UNI, |
| }; |
| |
| static struct mxc_usbh_platform_data usbh1_pdata = { |
| .portsc = MXC_EHCI_MODE_SERIAL, |
| .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY | |
| MXC_EHCI_IPPUE_DOWN, |
| }; |
| |
| static struct fsl_usb2_platform_data otg_device_pdata = { |
| .operating_mode = FSL_USB2_DR_DEVICE, |
| .phy_mode = FSL_USB2_PHY_UTMI, |
| }; |
| |
| static int otg_mode_host; |
| |
| static int __init eukrea_cpuimx35_otg_mode(char *options) |
| { |
| if (!strcmp(options, "host")) |
| otg_mode_host = 1; |
| else if (!strcmp(options, "device")) |
| otg_mode_host = 0; |
| else |
| pr_info("otg_mode neither \"host\" nor \"device\". " |
| "Defaulting to device\n"); |
| return 0; |
| } |
| __setup("otg_mode=", eukrea_cpuimx35_otg_mode); |
| |
| /* |
| * Board specific initialization. |
| */ |
| static void __init mxc_board_init(void) |
| { |
| mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads, |
| ARRAY_SIZE(eukrea_cpuimx35_pads)); |
| |
| platform_add_devices(devices, ARRAY_SIZE(devices)); |
| |
| imx35_add_imx_uart0(&uart_pdata); |
| imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info); |
| |
| i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices, |
| ARRAY_SIZE(eukrea_cpuimx35_i2c_devices)); |
| imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data); |
| |
| #if defined(CONFIG_USB_ULPI) |
| if (otg_mode_host) { |
| otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, |
| USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); |
| |
| mxc_register_device(&mxc_otg_host, &otg_pdata); |
| } |
| mxc_register_device(&mxc_usbh1, &usbh1_pdata); |
| #endif |
| if (!otg_mode_host) |
| mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); |
| |
| #ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD |
| eukrea_mbimxsd_baseboard_init(); |
| #endif |
| } |
| |
| static void __init eukrea_cpuimx35_timer_init(void) |
| { |
| mx35_clocks_init(); |
| } |
| |
| struct sys_timer eukrea_cpuimx35_timer = { |
| .init = eukrea_cpuimx35_timer_init, |
| }; |
| |
| MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35") |
| /* Maintainer: Eukrea Electromatique */ |
| .phys_io = MX35_AIPS1_BASE_ADDR, |
| .io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, |
| .boot_params = MX3x_PHYS_OFFSET + 0x100, |
| .map_io = mx35_map_io, |
| .init_irq = mx35_init_irq, |
| .init_machine = mxc_board_init, |
| .timer = &eukrea_cpuimx35_timer, |
| MACHINE_END |