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21744f19 EB |
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 | ||
35 | #include <asm/mach-types.h> | |
36 | #include <asm/mach/arch.h> | |
37 | #include <asm/mach/time.h> | |
38 | #include <asm/mach/map.h> | |
39 | ||
40 | #include <mach/board-eukrea_cpuimx35.h> | |
41 | #include <mach/hardware.h> | |
42 | #include <mach/common.h> | |
21744f19 EB |
43 | #include <mach/iomux-mx35.h> |
44 | #include <mach/mxc_nand.h> | |
45 | #include <mach/mxc_ehci.h> | |
46 | #include <mach/ulpi.h> | |
47 | ||
2dcf78c0 | 48 | #include "devices-imx35.h" |
21744f19 EB |
49 | #include "devices.h" |
50 | ||
2dcf78c0 | 51 | static const struct imxuart_platform_data uart_pdata __initconst = { |
21744f19 EB |
52 | .flags = IMXUART_HAVE_RTSCTS, |
53 | }; | |
54 | ||
2dcf78c0 UKK |
55 | static const struct imxi2c_platform_data |
56 | eukrea_cpuimx35_i2c0_data __initconst = { | |
21744f19 EB |
57 | .bitrate = 50000, |
58 | }; | |
59 | ||
60 | #define TSC2007_IRQGPIO (2 * 32 + 2) | |
61 | static int ts_get_pendown_state(void) | |
62 | { | |
63 | int val = 0; | |
64 | gpio_free(TSC2007_IRQGPIO); | |
65 | gpio_request(TSC2007_IRQGPIO, NULL); | |
66 | gpio_direction_input(TSC2007_IRQGPIO); | |
67 | ||
68 | val = gpio_get_value(TSC2007_IRQGPIO); | |
69 | ||
70 | gpio_free(TSC2007_IRQGPIO); | |
71 | gpio_request(TSC2007_IRQGPIO, NULL); | |
72 | ||
73 | return val ? 0 : 1; | |
74 | } | |
75 | ||
76 | static int ts_init(void) | |
77 | { | |
78 | gpio_request(TSC2007_IRQGPIO, NULL); | |
79 | return 0; | |
80 | } | |
81 | ||
82 | static struct tsc2007_platform_data tsc2007_info = { | |
83 | .model = 2007, | |
84 | .x_plate_ohms = 180, | |
85 | .get_pendown_state = ts_get_pendown_state, | |
86 | .init_platform_hw = ts_init, | |
87 | }; | |
88 | ||
89 | static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = { | |
90 | { | |
91 | I2C_BOARD_INFO("pcf8563", 0x51), | |
92 | }, { | |
93 | I2C_BOARD_INFO("tsc2007", 0x48), | |
94 | .type = "tsc2007", | |
95 | .platform_data = &tsc2007_info, | |
96 | .irq = gpio_to_irq(TSC2007_IRQGPIO), | |
97 | }, | |
98 | }; | |
99 | ||
100 | static struct platform_device *devices[] __initdata = { | |
101 | &mxc_fec_device, | |
102 | &imx_wdt_device0, | |
103 | }; | |
104 | ||
105 | static struct pad_desc eukrea_cpuimx35_pads[] = { | |
106 | /* UART1 */ | |
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, | |
111 | /* FEC */ | |
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, | |
130 | /* I2C1 */ | |
131 | MX35_PAD_I2C1_CLK__I2C1_SCL, | |
132 | MX35_PAD_I2C1_DAT__I2C1_SDA, | |
133 | /* TSC2007 IRQ */ | |
134 | MX35_PAD_ATA_DA2__GPIO3_2, | |
135 | }; | |
136 | ||
2dcf78c0 UKK |
137 | static const struct mxc_nand_platform_data |
138 | eukrea_cpuimx35_nand_board_info __initconst = { | |
21744f19 EB |
139 | .width = 1, |
140 | .hw_ecc = 1, | |
141 | .flash_bbt = 1, | |
142 | }; | |
143 | ||
144 | static struct mxc_usbh_platform_data otg_pdata = { | |
145 | .portsc = MXC_EHCI_MODE_UTMI, | |
146 | .flags = MXC_EHCI_INTERFACE_DIFF_UNI, | |
147 | }; | |
148 | ||
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 | | |
152 | MXC_EHCI_IPPUE_DOWN, | |
153 | }; | |
154 | ||
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 | }; | |
159 | ||
160 | static int otg_mode_host; | |
161 | ||
162 | static int __init eukrea_cpuimx35_otg_mode(char *options) | |
163 | { | |
164 | if (!strcmp(options, "host")) | |
165 | otg_mode_host = 1; | |
166 | else if (!strcmp(options, "device")) | |
167 | otg_mode_host = 0; | |
168 | else | |
169 | pr_info("otg_mode neither \"host\" nor \"device\". " | |
170 | "Defaulting to device\n"); | |
171 | return 0; | |
172 | } | |
173 | __setup("otg_mode=", eukrea_cpuimx35_otg_mode); | |
174 | ||
175 | /* | |
176 | * Board specific initialization. | |
177 | */ | |
178 | static void __init mxc_board_init(void) | |
179 | { | |
180 | mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads, | |
181 | ARRAY_SIZE(eukrea_cpuimx35_pads)); | |
182 | ||
183 | platform_add_devices(devices, ARRAY_SIZE(devices)); | |
184 | ||
2dcf78c0 UKK |
185 | imx35_add_imx_uart0(&uart_pdata); |
186 | imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info); | |
21744f19 EB |
187 | |
188 | i2c_register_board_info(0, eukrea_cpuimx35_i2c_devices, | |
189 | ARRAY_SIZE(eukrea_cpuimx35_i2c_devices)); | |
2dcf78c0 | 190 | imx35_add_imx_i2c0(&eukrea_cpuimx35_i2c0_data); |
21744f19 EB |
191 | |
192 | #if defined(CONFIG_USB_ULPI) | |
193 | if (otg_mode_host) { | |
194 | otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, | |
195 | USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); | |
196 | ||
197 | mxc_register_device(&mxc_otg_host, &otg_pdata); | |
198 | } | |
199 | mxc_register_device(&mxc_usbh1, &usbh1_pdata); | |
200 | #endif | |
201 | if (!otg_mode_host) | |
202 | mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); | |
203 | ||
204 | #ifdef CONFIG_MACH_EUKREA_MBIMXSD_BASEBOARD | |
205 | eukrea_mbimxsd_baseboard_init(); | |
206 | #endif | |
207 | } | |
208 | ||
209 | static void __init eukrea_cpuimx35_timer_init(void) | |
210 | { | |
211 | mx35_clocks_init(); | |
212 | } | |
213 | ||
214 | struct sys_timer eukrea_cpuimx35_timer = { | |
215 | .init = eukrea_cpuimx35_timer_init, | |
216 | }; | |
217 | ||
218 | MACHINE_START(EUKREA_CPUIMX35, "Eukrea CPUIMX35") | |
219 | /* Maintainer: Eukrea Electromatique */ | |
220 | .phys_io = MX35_AIPS1_BASE_ADDR, | |
221 | .io_pg_offst = ((MX35_AIPS1_BASE_ADDR_VIRT) >> 18) & 0xfffc, | |
222 | .boot_params = MX3x_PHYS_OFFSET + 0x100, | |
223 | .map_io = mx35_map_io, | |
224 | .init_irq = mx35_init_irq, | |
225 | .init_machine = mxc_board_init, | |
226 | .timer = &eukrea_cpuimx35_timer, | |
227 | MACHINE_END |