2 * Copyright (C) 2010 Eric Benard - eric@eukrea.com
3 * Copyright (C) 2009 Sascha Hauer, Pengutronix
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.
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.
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
20 #include <linux/types.h>
21 #include <linux/init.h>
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>
35 #include <asm/mach-types.h>
36 #include <asm/mach/arch.h>
37 #include <asm/mach/time.h>
38 #include <asm/mach/map.h>
40 #include <mach/eukrea-baseboards.h>
41 #include <mach/hardware.h>
42 #include <mach/common.h>
43 #include <mach/iomux-mx35.h>
44 #include <mach/mxc_nand.h>
45 #include <mach/mxc_ehci.h>
46 #include <mach/ulpi.h>
48 #include "devices-imx35.h"
51 static const struct imxuart_platform_data uart_pdata __initconst = {
52 .flags = IMXUART_HAVE_RTSCTS,
55 static const struct imxi2c_platform_data
56 eukrea_cpuimx35_i2c0_data __initconst = {
60 #define TSC2007_IRQGPIO (2 * 32 + 2)
61 static int ts_get_pendown_state(void)
64 gpio_free(TSC2007_IRQGPIO);
65 gpio_request(TSC2007_IRQGPIO, NULL);
66 gpio_direction_input(TSC2007_IRQGPIO);
68 val = gpio_get_value(TSC2007_IRQGPIO);
70 gpio_free(TSC2007_IRQGPIO);
71 gpio_request(TSC2007_IRQGPIO, NULL);
76 static int ts_init(void)
78 gpio_request(TSC2007_IRQGPIO, NULL);
82 static struct tsc2007_platform_data tsc2007_info = {
85 .get_pendown_state = ts_get_pendown_state,
86 .init_platform_hw = ts_init,
89 static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
91 I2C_BOARD_INFO("pcf8563", 0x51),
93 I2C_BOARD_INFO("tsc2007", 0x48),
95 .platform_data = &tsc2007_info,
96 .irq = gpio_to_irq(TSC2007_IRQGPIO),
100 static struct platform_device *devices[] __initdata = {
105 static struct pad_desc eukrea_cpuimx35_pads[] = {
107 MX35_PAD_CTS1__UART1_CTS,
108 MX35_PAD_RTS1__UART1_RTS,
109 MX35_PAD_TXD1__UART1_TXD_MUX,
110 MX35_PAD_RXD1__UART1_RXD_MUX,
112 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
113 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
114 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
115 MX35_PAD_FEC_COL__FEC_COL,
116 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
117 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
118 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
119 MX35_PAD_FEC_MDC__FEC_MDC,
120 MX35_PAD_FEC_MDIO__FEC_MDIO,
121 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
122 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
123 MX35_PAD_FEC_CRS__FEC_CRS,
124 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
125 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
126 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
127 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
128 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
129 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
131 MX35_PAD_I2C1_CLK__I2C1_SCL,
132 MX35_PAD_I2C1_DAT__I2C1_SDA,
134 MX35_PAD_ATA_DA2__GPIO3_2,
137 static const struct mxc_nand_platform_data
138 eukrea_cpuimx35_nand_board_info __initconst = {
144 static struct mxc_usbh_platform_data otg_pdata = {
145 .portsc = MXC_EHCI_MODE_UTMI,
146 .flags = MXC_EHCI_INTERFACE_DIFF_UNI,
149 static struct mxc_usbh_platform_data usbh1_pdata = {
150 .portsc = MXC_EHCI_MODE_SERIAL,
151 .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | MXC_EHCI_INTERNAL_PHY |
155 static struct fsl_usb2_platform_data otg_device_pdata = {
156 .operating_mode = FSL_USB2_DR_DEVICE,
157 .phy_mode = FSL_USB2_PHY_UTMI,
158 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
161 static int otg_mode_host;
163 static int __init eukrea_cpuimx35_otg_mode(char *options)
165 if (!strcmp(options, "host"))
167 else if (!strcmp(options, "device"))
170 pr_info("otg_mode neither \"host\" nor \"device\". "
171 "Defaulting to device\n");
174 __setup("otg_mode=", eukrea_cpuimx35_otg_mode);
177 * Board specific initialization.
179 static void __init mxc_board_init(void)
181 mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
182 ARRAY_SIZE(eukrea_cpuimx35_pads));
184 platform_add_devices(devices, ARRAY_SIZE(devices));
186 imx35_add_imx_uart0(&uart_pdata);
187 imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
189 i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
190 ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
191 imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
193 #if defined(CONFIG_USB_ULPI)
195 otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
196 ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);
198 mxc_register_device(&mxc_otg_host, &otg_pdata);
200 mxc_register_device(&mxc_usbh1, &usbh1_pdata);
203 mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);
205 #ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
206 eukrea_mbimxsd35_baseboard_init();
210 static void __init eukrea_cpuimx35_timer_init(void)
215 struct sys_timer eukrea_cpuimx35_timer = {
216 .init = eukrea_cpuimx35_timer_init,
219 MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35")
220 /* Maintainer: Eukrea Electromatique */
221 .phys_io = MX35_AIPS1_BASE_ADDR,
222 .io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc,
223 .boot_params = MX3x_PHYS_OFFSET + 0x100,
224 .map_io = mx35_map_io,
225 .init_irq = mx35_init_irq,
226 .init_machine = mxc_board_init,
227 .timer = &eukrea_cpuimx35_timer,