1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
|
/*
* 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/i2c-gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/time.h>
#include <asm/mach/map.h>
#include <mach/hardware.h>
#include "common.h"
#include "devices-imx35.h"
#include "eukrea-baseboards.h"
#include "iomux-mx35.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 = 100000,
};
#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2)
static int tsc2007_get_pendown_state(void)
{
return !gpio_get_value(TSC2007_IRQGPIO);
}
static struct tsc2007_platform_data tsc2007_info = {
.model = 2007,
.x_plate_ohms = 180,
.get_pendown_state = tsc2007_get_pendown_state,
};
static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
{
I2C_BOARD_INFO("pcf8563", 0x51),
}, {
I2C_BOARD_INFO("tsc2007", 0x48),
.platform_data = &tsc2007_info,
/* irq number is run-time assigned */
},
};
static iomux_v3_cfg_t 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 int eukrea_cpuimx35_otg_init(struct platform_device *pdev)
{
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
}
static const struct mxc_usbh_platform_data otg_pdata __initconst = {
.init = eukrea_cpuimx35_otg_init,
.portsc = MXC_EHCI_MODE_UTMI,
};
static int eukrea_cpuimx35_usbh1_init(struct platform_device *pdev)
{
return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
}
static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
.init = eukrea_cpuimx35_usbh1_init,
.portsc = MXC_EHCI_MODE_SERIAL,
};
static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
.operating_mode = FSL_USB2_DR_DEVICE,
.phy_mode = FSL_USB2_PHY_UTMI,
.workaround = FLS_USB2_WORKAROUND_ENGCM09152,
};
static bool otg_mode_host __initdata;
static int __init eukrea_cpuimx35_otg_mode(char *options)
{
if (!strcmp(options, "host"))
otg_mode_host = true;
else if (!strcmp(options, "device"))
otg_mode_host = false;
else
pr_info("otg_mode neither \"host\" nor \"device\". "
"Defaulting to device\n");
return 1;
}
__setup("otg_mode=", eukrea_cpuimx35_otg_mode);
/*
* Board specific initialization.
*/
static void __init eukrea_cpuimx35_init(void)
{
imx35_soc_init();
mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
ARRAY_SIZE(eukrea_cpuimx35_pads));
imx35_add_fec(NULL);
imx35_add_imx2_wdt();
imx35_add_imx_uart0(&uart_pdata);
imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
eukrea_cpuimx35_i2c_devices[1].irq = gpio_to_irq(TSC2007_IRQGPIO);
i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices,
ARRAY_SIZE(eukrea_cpuimx35_i2c_devices));
imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data);
if (otg_mode_host)
imx35_add_mxc_ehci_otg(&otg_pdata);
else
imx35_add_fsl_usb2_udc(&otg_device_pdata);
imx35_add_mxc_ehci_hs(&usbh1_pdata);
#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
eukrea_mbimxsd35_baseboard_init();
#endif
}
static void __init eukrea_cpuimx35_timer_init(void)
{
mx35_clocks_init();
}
static struct sys_timer eukrea_cpuimx35_timer = {
.init = eukrea_cpuimx35_timer_init,
};
MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35")
/* Maintainer: Eukrea Electromatique */
.atag_offset = 0x100,
.map_io = mx35_map_io,
.init_early = imx35_init_early,
.init_irq = mx35_init_irq,
.handle_irq = imx35_handle_irq,
.timer = &eukrea_cpuimx35_timer,
.init_machine = eukrea_cpuimx35_init,
.restart = mxc_restart,
MACHINE_END
|
