ARM: imx: eliminate macro IMX_GPIO_TO_IRQ()
[deliverable/linux.git] / arch / arm / mach-imx / mach-mx31lilly.c
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1/*
2 * LILLY-1131 module support
3 *
4 * Copyright (c) 2009 Daniel Mack <daniel@caiaq.de>
5 *
6 * based on code for other MX31 boards,
7 *
8 * Copyright 2005-2007 Freescale Semiconductor
9 * Copyright (c) 2009 Alberto Panizzo <maramaopercheseimorto@gmail.com>
10 * Copyright (C) 2009 Valentin Longchamp, EPFL Mobots group
11 *
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.
16 *
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.
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21 */
22
23#include <linux/types.h>
24#include <linux/init.h>
25#include <linux/clk.h>
066fb847 26#include <linux/gpio.h>
4bd597b6 27#include <linux/delay.h>
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28#include <linux/platform_device.h>
29#include <linux/interrupt.h>
9e907416 30#include <linux/moduleparam.h>
cbaa6ca1 31#include <linux/smsc911x.h>
38160e0b 32#include <linux/mtd/physmap.h>
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33#include <linux/spi/spi.h>
34#include <linux/mfd/mc13783.h>
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35#include <linux/usb/otg.h>
36#include <linux/usb/ulpi.h>
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37#include <linux/regulator/machine.h>
38#include <linux/regulator/fixed.h>
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39
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/time.h>
43#include <asm/mach/map.h>
44
45#include <mach/hardware.h>
46#include <mach/common.h>
47#include <mach/iomux-mx3.h>
48#include <mach/board-mx31lilly.h>
066fb847 49#include <mach/ulpi.h>
65b1aa13 50
06606ff1 51#include "devices-imx31.h"
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52
53/*
54 * This file contains module-specific initialization routines for LILLY-1131.
55 * Initialization of peripherals found on the baseboard is implemented in the
56 * appropriate baseboard support code.
57 */
58
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59/* SMSC ethernet support */
60
61static struct resource smsc91x_resources[] = {
62 {
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63 .start = MX31_CS4_BASE_ADDR,
64 .end = MX31_CS4_BASE_ADDR + 0xffff,
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65 .flags = IORESOURCE_MEM,
66 },
67 {
68 .start = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
69 .end = IOMUX_TO_IRQ(MX31_PIN_GPIO1_0),
70 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
71 }
72};
73
74static struct smsc911x_platform_config smsc911x_config = {
75 .phy_interface = PHY_INTERFACE_MODE_MII,
76 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
77 .irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
78 .flags = SMSC911X_USE_32BIT |
79 SMSC911X_SAVE_MAC_ADDRESS |
80 SMSC911X_FORCE_INTERNAL_PHY,
81};
82
83static struct platform_device smsc91x_device = {
84 .name = "smsc911x",
85 .id = -1,
86 .num_resources = ARRAY_SIZE(smsc91x_resources),
87 .resource = smsc91x_resources,
88 .dev = {
89 .platform_data = &smsc911x_config,
90 }
91};
92
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93/* NOR flash */
94static struct physmap_flash_data nor_flash_data = {
95 .width = 2,
96};
97
98static struct resource nor_flash_resource = {
99 .start = 0xa0000000,
100 .end = 0xa1ffffff,
101 .flags = IORESOURCE_MEM,
102};
103
104static struct platform_device physmap_flash_device = {
105 .name = "physmap-flash",
106 .id = 0,
107 .dev = {
108 .platform_data = &nor_flash_data,
109 },
110 .resource = &nor_flash_resource,
111 .num_resources = 1,
112};
113
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114/* USB */
115
116#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
117 PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)
118
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119static int usbh1_init(struct platform_device *pdev)
120{
121 int pins[] = {
122 MX31_PIN_CSPI1_MOSI__USBH1_RXDM,
123 MX31_PIN_CSPI1_MISO__USBH1_RXDP,
124 MX31_PIN_CSPI1_SS0__USBH1_TXDM,
125 MX31_PIN_CSPI1_SS1__USBH1_TXDP,
126 MX31_PIN_CSPI1_SS2__USBH1_RCV,
127 MX31_PIN_CSPI1_SCLK__USBH1_OEB,
128 MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,
129 };
130
131 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");
132
133 mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);
134 mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);
135 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);
136 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);
137 mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);
138 mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);
139 mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);
140
141 mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);
142
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143 mdelay(10);
144
145 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED |
146 MXC_EHCI_INTERFACE_SINGLE_UNI);
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147}
148
149static int usbh2_init(struct platform_device *pdev)
150{
151 int pins[] = {
152 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
153 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
154 MX31_PIN_USBH2_CLK__USBH2_CLK,
155 MX31_PIN_USBH2_DIR__USBH2_DIR,
156 MX31_PIN_USBH2_NXT__USBH2_NXT,
157 MX31_PIN_USBH2_STP__USBH2_STP,
158 };
159
160 mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");
161
162 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);
163 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);
164 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);
165 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);
166 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);
167 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);
168 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);
169 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);
170 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);
171 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);
172 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);
173 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);
174
175 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
176
177 /* chip select */
178 mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),
179 "USBH2_CS");
180 gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");
181 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);
182
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183 mdelay(10);
184
185 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
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186}
187
2d58de28 188static const struct mxc_usbh_platform_data usbh1_pdata __initconst = {
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189 .init = usbh1_init,
190 .portsc = MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,
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191};
192
2d58de28 193static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
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194 .init = usbh2_init,
195 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
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196};
197
f07c7d67 198static void __init lilly1131_usb_init(void)
4d5d8590 199{
2d58de28 200 imx31_add_mxc_ehci_hs(1, &usbh1_pdata);
4d5d8590 201
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202 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
203 ULPI_OTG_DRVVBUS_EXT);
204 if (usbh2_pdata.otg)
205 imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
206}
cbaa6ca1 207
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208/* SPI */
209
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210static int spi_internal_chipselect[] = {
211 MXC_SPI_CS(0),
212 MXC_SPI_CS(1),
213 MXC_SPI_CS(2),
214};
215
06606ff1 216static const struct spi_imx_master spi0_pdata __initconst = {
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217 .chipselect = spi_internal_chipselect,
218 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
219};
220
06606ff1 221static const struct spi_imx_master spi1_pdata __initconst = {
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222 .chipselect = spi_internal_chipselect,
223 .num_chipselect = ARRAY_SIZE(spi_internal_chipselect),
224};
225
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226static struct mc13xxx_platform_data mc13783_pdata __initdata = {
227 .flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
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228};
229
230static struct spi_board_info mc13783_dev __initdata = {
231 .modalias = "mc13783",
232 .max_speed_hz = 1000000,
233 .bus_num = 1,
234 .chip_select = 0,
235 .platform_data = &mc13783_pdata,
21b07344 236 .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3),
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237};
238
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239static struct platform_device *devices[] __initdata = {
240 &smsc91x_device,
241 &physmap_flash_device,
242};
243
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244static int mx31lilly_baseboard;
245core_param(mx31lilly_baseboard, mx31lilly_baseboard, int, 0444);
246
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247static struct regulator_consumer_supply dummy_supplies[] = {
248 REGULATOR_SUPPLY("vdd33a", "smsc911x"),
249 REGULATOR_SUPPLY("vddvario", "smsc911x"),
250};
251
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252static void __init mx31lilly_board_init(void)
253{
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254 imx31_soc_init();
255
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256 switch (mx31lilly_baseboard) {
257 case MX31LILLY_NOBOARD:
258 break;
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259 case MX31LILLY_DB:
260 mx31lilly_db_init();
261 break;
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262 default:
263 printk(KERN_ERR "Illegal mx31lilly_baseboard type %d\n",
264 mx31lilly_baseboard);
265 }
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266
267 mxc_iomux_alloc_pin(MX31_PIN_CS4__CS4, "Ethernet CS");
268
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269 /* SPI */
270 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SCLK__SCLK, "SPI1_CLK");
271 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MOSI__MOSI, "SPI1_TX");
272 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_MISO__MISO, "SPI1_RX");
273 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SPI_RDY__SPI_RDY, "SPI1_RDY");
274 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS0__SS0, "SPI1_SS0");
275 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS1__SS1, "SPI1_SS1");
276 mxc_iomux_alloc_pin(MX31_PIN_CSPI1_SS2__SS2, "SPI1_SS2");
277
278 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SCLK__SCLK, "SPI2_CLK");
279 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MOSI__MOSI, "SPI2_TX");
280 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_MISO__MISO, "SPI2_RX");
281 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, "SPI2_RDY");
282 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS0__SS0, "SPI2_SS0");
283 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS1__SS1, "SPI2_SS1");
284 mxc_iomux_alloc_pin(MX31_PIN_CSPI2_SS2__SS2, "SPI2_SS2");
285
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286 imx31_add_spi_imx0(&spi0_pdata);
287 imx31_add_spi_imx1(&spi1_pdata);
2cc32683 288 spi_register_board_info(&mc13783_dev, 1);
3ea2e1a4 289
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290 regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
291
cbaa6ca1 292 platform_add_devices(devices, ARRAY_SIZE(devices));
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293
294 /* USB */
4d5d8590 295 lilly1131_usb_init();
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296}
297
298static void __init mx31lilly_timer_init(void)
299{
300 mx31_clocks_init(26000000);
301}
302
303static struct sys_timer mx31lilly_timer = {
304 .init = mx31lilly_timer_init,
305};
306
307MACHINE_START(LILLY1131, "INCO startec LILLY-1131")
dc8f1907 308 .atag_offset = 0x100,
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309 .map_io = mx31_map_io,
310 .init_early = imx31_init_early,
311 .init_irq = mx31_init_irq,
ffa2ea3f 312 .handle_irq = imx31_handle_irq,
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313 .timer = &mx31lilly_timer,
314 .init_machine = mx31lilly_board_init,
65ea7884 315 .restart = mxc_restart,
65b1aa13 316MACHINE_END
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