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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 |
199 |
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