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/i2c-gpio.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>
41 #include "devices-imx35.h"
42 #include "eukrea-baseboards.h"
44 #include "iomux-mx35.h"
46 static const struct imxuart_platform_data uart_pdata __initconst
= {
47 .flags
= IMXUART_HAVE_RTSCTS
,
50 static const struct imxi2c_platform_data
51 eukrea_cpuimx35_i2c0_data __initconst
= {
55 #define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2)
56 static int tsc2007_get_pendown_state(void)
58 return !gpio_get_value(TSC2007_IRQGPIO
);
61 static struct tsc2007_platform_data tsc2007_info
= {
64 .get_pendown_state
= tsc2007_get_pendown_state
,
67 static struct i2c_board_info eukrea_cpuimx35_i2c_devices
[] = {
69 I2C_BOARD_INFO("pcf8563", 0x51),
71 I2C_BOARD_INFO("tsc2007", 0x48),
72 .platform_data
= &tsc2007_info
,
73 /* irq number is run-time assigned */
77 static iomux_v3_cfg_t eukrea_cpuimx35_pads
[] = {
79 MX35_PAD_CTS1__UART1_CTS
,
80 MX35_PAD_RTS1__UART1_RTS
,
81 MX35_PAD_TXD1__UART1_TXD_MUX
,
82 MX35_PAD_RXD1__UART1_RXD_MUX
,
84 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK
,
85 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK
,
86 MX35_PAD_FEC_RX_DV__FEC_RX_DV
,
87 MX35_PAD_FEC_COL__FEC_COL
,
88 MX35_PAD_FEC_RDATA0__FEC_RDATA_0
,
89 MX35_PAD_FEC_TDATA0__FEC_TDATA_0
,
90 MX35_PAD_FEC_TX_EN__FEC_TX_EN
,
91 MX35_PAD_FEC_MDC__FEC_MDC
,
92 MX35_PAD_FEC_MDIO__FEC_MDIO
,
93 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR
,
94 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR
,
95 MX35_PAD_FEC_CRS__FEC_CRS
,
96 MX35_PAD_FEC_RDATA1__FEC_RDATA_1
,
97 MX35_PAD_FEC_TDATA1__FEC_TDATA_1
,
98 MX35_PAD_FEC_RDATA2__FEC_RDATA_2
,
99 MX35_PAD_FEC_TDATA2__FEC_TDATA_2
,
100 MX35_PAD_FEC_RDATA3__FEC_RDATA_3
,
101 MX35_PAD_FEC_TDATA3__FEC_TDATA_3
,
103 MX35_PAD_I2C1_CLK__I2C1_SCL
,
104 MX35_PAD_I2C1_DAT__I2C1_SDA
,
106 MX35_PAD_ATA_DA2__GPIO3_2
,
109 static const struct mxc_nand_platform_data
110 eukrea_cpuimx35_nand_board_info __initconst
= {
116 static int eukrea_cpuimx35_otg_init(struct platform_device
*pdev
)
118 return mx35_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_DIFF_UNI
);
121 static const struct mxc_usbh_platform_data otg_pdata __initconst
= {
122 .init
= eukrea_cpuimx35_otg_init
,
123 .portsc
= MXC_EHCI_MODE_UTMI
,
126 static int eukrea_cpuimx35_usbh1_init(struct platform_device
*pdev
)
128 return mx35_initialize_usb_hw(pdev
->id
, MXC_EHCI_INTERFACE_SINGLE_UNI
|
129 MXC_EHCI_INTERNAL_PHY
| MXC_EHCI_IPPUE_DOWN
);
132 static const struct mxc_usbh_platform_data usbh1_pdata __initconst
= {
133 .init
= eukrea_cpuimx35_usbh1_init
,
134 .portsc
= MXC_EHCI_MODE_SERIAL
,
137 static const struct fsl_usb2_platform_data otg_device_pdata __initconst
= {
138 .operating_mode
= FSL_USB2_DR_DEVICE
,
139 .phy_mode
= FSL_USB2_PHY_UTMI
,
140 .workaround
= FLS_USB2_WORKAROUND_ENGCM09152
,
143 static bool otg_mode_host __initdata
;
145 static int __init
eukrea_cpuimx35_otg_mode(char *options
)
147 if (!strcmp(options
, "host"))
148 otg_mode_host
= true;
149 else if (!strcmp(options
, "device"))
150 otg_mode_host
= false;
152 pr_info("otg_mode neither \"host\" nor \"device\". "
153 "Defaulting to device\n");
156 __setup("otg_mode=", eukrea_cpuimx35_otg_mode
);
159 * Board specific initialization.
161 static void __init
eukrea_cpuimx35_init(void)
165 mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads
,
166 ARRAY_SIZE(eukrea_cpuimx35_pads
));
169 imx35_add_imx2_wdt();
171 imx35_add_imx_uart0(&uart_pdata
);
172 imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info
);
174 eukrea_cpuimx35_i2c_devices
[1].irq
= gpio_to_irq(TSC2007_IRQGPIO
);
175 i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices
,
176 ARRAY_SIZE(eukrea_cpuimx35_i2c_devices
));
177 imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data
);
180 imx35_add_mxc_ehci_otg(&otg_pdata
);
182 imx35_add_fsl_usb2_udc(&otg_device_pdata
);
184 imx35_add_mxc_ehci_hs(&usbh1_pdata
);
186 #ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
187 eukrea_mbimxsd35_baseboard_init();
191 static void __init
eukrea_cpuimx35_timer_init(void)
196 MACHINE_START(EUKREA_CPUIMX35SD
, "Eukrea CPUIMX35")
197 /* Maintainer: Eukrea Electromatique */
198 .atag_offset
= 0x100,
199 .map_io
= mx35_map_io
,
200 .init_early
= imx35_init_early
,
201 .init_irq
= mx35_init_irq
,
202 .handle_irq
= imx35_handle_irq
,
203 .init_time
= eukrea_cpuimx35_timer_init
,
204 .init_machine
= eukrea_cpuimx35_init
,
205 .restart
= mxc_restart
,