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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/i2c-gpio.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/eukrea-baseboards.h>
41#include <mach/hardware.h>
42#include <mach/common.h>
43#include <mach/iomux-mx35.h>
44
45#include "devices-imx35.h"
46
47static const struct imxuart_platform_data uart_pdata __initconst = {
48 .flags = IMXUART_HAVE_RTSCTS,
49};
50
51static const struct imxi2c_platform_data
52 eukrea_cpuimx35_i2c0_data __initconst = {
53 .bitrate = 100000,
54};
55
56#define TSC2007_IRQGPIO IMX_GPIO_NR(3, 2)
57static int tsc2007_get_pendown_state(void)
58{
59 return !gpio_get_value(TSC2007_IRQGPIO);
60}
61
62static struct tsc2007_platform_data tsc2007_info = {
63 .model = 2007,
64 .x_plate_ohms = 180,
65 .get_pendown_state = tsc2007_get_pendown_state,
66};
67
68static struct i2c_board_info eukrea_cpuimx35_i2c_devices[] = {
69 {
70 I2C_BOARD_INFO("pcf8563", 0x51),
71 }, {
72 I2C_BOARD_INFO("tsc2007", 0x48),
73 .platform_data = &tsc2007_info,
74 .irq = IMX_GPIO_TO_IRQ(TSC2007_IRQGPIO),
75 },
76};
77
78static iomux_v3_cfg_t eukrea_cpuimx35_pads[] = {
79 /* UART1 */
80 MX35_PAD_CTS1__UART1_CTS,
81 MX35_PAD_RTS1__UART1_RTS,
82 MX35_PAD_TXD1__UART1_TXD_MUX,
83 MX35_PAD_RXD1__UART1_RXD_MUX,
84 /* FEC */
85 MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
86 MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
87 MX35_PAD_FEC_RX_DV__FEC_RX_DV,
88 MX35_PAD_FEC_COL__FEC_COL,
89 MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
90 MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
91 MX35_PAD_FEC_TX_EN__FEC_TX_EN,
92 MX35_PAD_FEC_MDC__FEC_MDC,
93 MX35_PAD_FEC_MDIO__FEC_MDIO,
94 MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
95 MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
96 MX35_PAD_FEC_CRS__FEC_CRS,
97 MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
98 MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
99 MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
100 MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
101 MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
102 MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
103 /* I2C1 */
104 MX35_PAD_I2C1_CLK__I2C1_SCL,
105 MX35_PAD_I2C1_DAT__I2C1_SDA,
106 /* TSC2007 IRQ */
107 MX35_PAD_ATA_DA2__GPIO3_2,
108};
109
110static const struct mxc_nand_platform_data
111 eukrea_cpuimx35_nand_board_info __initconst = {
112 .width = 1,
113 .hw_ecc = 1,
114 .flash_bbt = 1,
115};
116
117static int eukrea_cpuimx35_otg_init(struct platform_device *pdev)
118{
119 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_DIFF_UNI);
120}
121
122static const struct mxc_usbh_platform_data otg_pdata __initconst = {
123 .init = eukrea_cpuimx35_otg_init,
124 .portsc = MXC_EHCI_MODE_UTMI,
125};
126
127static int eukrea_cpuimx35_usbh1_init(struct platform_device *pdev)
128{
129 return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
130 MXC_EHCI_INTERNAL_PHY | MXC_EHCI_IPPUE_DOWN);
131}
132
133static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
134 .init = eukrea_cpuimx35_usbh1_init,
135 .portsc = MXC_EHCI_MODE_SERIAL,
136};
137
138static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
139 .operating_mode = FSL_USB2_DR_DEVICE,
140 .phy_mode = FSL_USB2_PHY_UTMI,
141 .workaround = FLS_USB2_WORKAROUND_ENGCM09152,
142};
143
144static int otg_mode_host;
145
146static int __init eukrea_cpuimx35_otg_mode(char *options)
147{
148 if (!strcmp(options, "host"))
149 otg_mode_host = 1;
150 else if (!strcmp(options, "device"))
151 otg_mode_host = 0;
152 else
153 pr_info("otg_mode neither \"host\" nor \"device\". "
154 "Defaulting to device\n");
155 return 0;
156}
157__setup("otg_mode=", eukrea_cpuimx35_otg_mode);
158
159/*
160 * Board specific initialization.
161 */
162static void __init eukrea_cpuimx35_init(void)
163{
164 imx35_soc_init();
165
166 mxc_iomux_v3_setup_multiple_pads(eukrea_cpuimx35_pads,
167 ARRAY_SIZE(eukrea_cpuimx35_pads));
168
169 imx35_add_fec(NULL);
170 imx35_add_imx2_wdt(NULL);
171
172 imx35_add_imx_uart0(&uart_pdata);
173 imx35_add_mxc_nand(&eukrea_cpuimx35_nand_board_info);
174
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);
178
179 if (otg_mode_host)
180 imx35_add_mxc_ehci_otg(&otg_pdata);
181 else
182 imx35_add_fsl_usb2_udc(&otg_device_pdata);
183
184 imx35_add_mxc_ehci_hs(&usbh1_pdata);
185
186#ifdef CONFIG_MACH_EUKREA_MBIMXSD35_BASEBOARD
187 eukrea_mbimxsd35_baseboard_init();
188#endif
189}
190
191static void __init eukrea_cpuimx35_timer_init(void)
192{
193 mx35_clocks_init();
194}
195
196static struct sys_timer eukrea_cpuimx35_timer = {
197 .init = eukrea_cpuimx35_timer_init,
198};
199
200MACHINE_START(EUKREA_CPUIMX35SD, "Eukrea CPUIMX35")
201 /* Maintainer: Eukrea Electromatique */
202 .atag_offset = 0x100,
203 .map_io = mx35_map_io,
204 .init_early = imx35_init_early,
205 .init_irq = mx35_init_irq,
206 .handle_irq = imx35_handle_irq,
207 .timer = &eukrea_cpuimx35_timer,
208 .init_machine = eukrea_cpuimx35_init,
209 .restart = mxc_restart,
210MACHINE_END