2 * LILLY-1131 module support
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
6 * based on code for other MX31 boards,
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27 #include <linux/types.h>
28 #include <linux/init.h>
29 #include <linux/clk.h>
30 #include <linux/gpio.h>
31 #include <linux/platform_device.h>
32 #include <linux/interrupt.h>
33 #include <linux/smsc911x.h>
34 #include <linux/mtd/physmap.h>
35 #include <linux/spi/spi.h>
36 #include <linux/mfd/mc13783.h>
37 #include <linux/usb/otg.h>
38 #include <linux/usb/ulpi.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/time.h>
43 #include <asm/mach/map.h>
45 #include <mach/hardware.h>
46 #include <mach/common.h>
47 #include <mach/iomux-mx3.h>
48 #include <mach/board-mx31lilly.h>
50 #include <mach/mxc_ehci.h>
51 #include <mach/ulpi.h>
56 * This file contains module-specific initialization routines for LILLY-1131.
57 * Initialization of peripherals found on the baseboard is implemented in the
58 * appropriate baseboard support code.
61 /* SMSC ethernet support */
63 static struct resource smsc91x_resources[] = {
65 .start = MX31_CS4_BASE_ADDR,
66 .end = MX31_CS4_BASE_ADDR + 0xffff,
67 .flags = IORESOURCE_MEM,
70 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
71 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
72 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
76 static struct smsc911x_platform_config smsc911x_config = {
77 .phy_interface = PHY_INTERFACE_MODE_MII,
78 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
79 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
80 .flags = SMSC911X_USE_32BIT |
81 SMSC911X_SAVE_MAC_ADDRESS |
82 SMSC911X_FORCE_INTERNAL_PHY,
85 static struct platform_device smsc91x_device = {
88 .num_resources = ARRAY_SIZE(smsc91x_resources),
89 .resource = smsc91x_resources,
91 .platform_data = &smsc911x_config,
96 static struct physmap_flash_data nor_flash_data = {
100 static struct resource nor_flash_resource = {
103 .flags = IORESOURCE_MEM,
106 static struct platform_device physmap_flash_device = {
107 .name = "physmap-flash",
110 .platform_data = &nor_flash_data,
112 .resource = &nor_flash_resource,
118 #if defined(CONFIG_USB_ULPI)
120 #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
121 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
123 static int usbotg_init(struct platform_device *pdev)
125 unsigned int pins[] = {
126 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
127 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
128 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
129 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
130 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
131 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
132 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
133 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
134 MX31_PIN_USBOTG_CLK__USBOTG_CLK,
135 MX31_PIN_USBOTG_DIR__USBOTG_DIR,
136 MX31_PIN_USBOTG_NXT__USBOTG_NXT,
137 MX31_PIN_USBOTG_STP__USBOTG_STP,
140 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB OTG");
142 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);
143 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);
144 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);
145 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);
146 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);
147 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);
148 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);
149 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);
150 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);
151 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);
152 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);
153 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);
155 mxc_iomux_set_gpr(MUX_PGP_USB_4WIRE, true);
156 mxc_iomux_set_gpr(MUX_PGP_USB_COMMON, true);
159 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE2, IOMUX_CONFIG_GPIO),
161 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), "USBH1 CS");
162 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), 0);
167 static int usbh1_init(struct platform_device *pdev)
170 MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
171 MX31_PIN_CSPI1_MISO__USBH1_RXDP,
172 MX31_PIN_CSPI1_SS0__USBH1_TXDM,
173 MX31_PIN_CSPI1_SS1__USBH1_TXDP,
174 MX31_PIN_CSPI1_SS2__USBH1_RCV,
175 MX31_PIN_CSPI1_SCLK__USBH1_OEB,
176 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
179 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
181 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
182 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
183 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
184 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
185 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
186 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
187 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
189 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
194 static int usbh2_init(struct platform_device *pdev)
197 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
198 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
199 MX31_PIN_USBH2_CLK__USBH2_CLK,
200 MX31_PIN_USBH2_DIR__USBH2_DIR,
201 MX31_PIN_USBH2_NXT__USBH2_NXT,
202 MX31_PIN_USBH2_STP__USBH2_STP,
205 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
207 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
208 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
209 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
210 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
211 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
212 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
213 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
214 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
215 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
216 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
217 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
218 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
220 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
223 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
225 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
226 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
231 static struct mxc_usbh_platform_data usbotg_pdata = {
233 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
234 .flags = MXC_EHCI_POWER_PINS_ENABLED,
237 static struct mxc_usbh_platform_data usbh1_pdata = {
239 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
240 .flags = MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,
243 static struct mxc_usbh_platform_data usbh2_pdata = {
245 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
246 .flags = MXC_EHCI_POWER_PINS_ENABLED,
249 static void lilly1131_usb_init(void)
251 usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
252 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
253 usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
254 USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);
256 mxc_register_device(&mxc_usbh1, &usbh1_pdata);
257 mxc_register_device(&mxc_usbh2, &usbh2_pdata);
261 static inline void lilly1131_usb_init(void) {}
262 #endif /* CONFIG_USB_ULPI */
266 static int spi_internal_chipselect[] = {
272 static struct spi_imx_master spi0_pdata = {
273 .chipselect = spi_internal_chipselect,
274 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
277 static struct spi_imx_master spi1_pdata = {
278 .chipselect = spi_internal_chipselect,
279 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
282 static struct mc13783_platform_data mc13783_pdata __initdata = {
283 .flags = MC13783_USE_RTC | MC13783_USE_TOUCHSCREEN,
286 static struct spi_board_info mc13783_dev __initdata = {
287 .modalias = "mc13783",
288 .max_speed_hz = 1000000,
291 .platform_data = &mc13783_pdata,
294 static struct platform_device *devices[] __initdata = {
296 &physmap_flash_device,
299 static int mx31lilly_baseboard;
300 core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
302 static void __init mx31lilly_board_init(void)
304 switch (mx31lilly_baseboard) {
305 case MX31LILLY_NOBOARD:
311 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
312 mx31lilly_baseboard);
315 mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
318 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
319 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
320 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
321 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
322 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
323 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
324 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
326 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
327 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
328 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
329 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
330 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
331 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
332 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
334 mxc_register_device(&mxc_spi_device0, &spi0_pdata);
335 mxc_register_device(&mxc_spi_device1, &spi1_pdata);
336 spi_register_board_info(&mc13783_dev, 1);
338 platform_add_devices(devices, ARRAY_SIZE(devices));
341 lilly1131_usb_init();
344 static void __init mx31lilly_timer_init(void)
346 mx31_clocks_init(26000000);
349 static struct sys_timer mx31lilly_timer = {
350 .init = mx31lilly_timer_init,
353 MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
354 .phys_io = MX31_AIPS1_BASE_ADDR,
355 .io_pg_offst = (MX31_AIPS1_BASE_ADDR_VIRT >> 18) & 0xfffc,
356 .boot_params = MX3x_PHYS_OFFSET + 0x100,
357 .map_io = mx31_map_io,
358 .init_irq = mx31_init_irq,
359 .init_machine = mx31lilly_board_init,
360 .timer = &mx31lilly_timer,