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Valentin Longchamp988d2d42008-11-23 17:35:08 +01001/*
2 * Copyright (C) 2008 Valentin Longchamp, EPFL Mobots group
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
Valentin Longchamp988d2d42008-11-23 17:35:08 +010013 */
14
Valentin Longchampb23f1532009-08-10 18:33:11 +020015#include <linux/delay.h>
Valentin Longchamp04ea3c82009-11-03 18:09:51 +010016#include <linux/dma-mapping.h>
Tejun Heo5a0e3ad2010-03-24 17:04:11 +090017#include <linux/gfp.h>
Valentin Longchamp45b131a2009-04-21 10:24:56 +020018#include <linux/gpio.h>
Valentin Longchamp988d2d42008-11-23 17:35:08 +010019#include <linux/init.h>
Valentin Longchamp45b131a2009-04-21 10:24:56 +020020#include <linux/interrupt.h>
Paul Gortmaker9e907412011-07-31 19:01:27 -040021#include <linux/moduleparam.h>
Valentin Longchamp77aa5612009-08-12 11:29:19 +020022#include <linux/leds.h>
Valentin Longchamp220bbce2009-04-17 15:20:25 +020023#include <linux/memory.h>
Valentin Longchamp988d2d42008-11-23 17:35:08 +010024#include <linux/mtd/physmap.h>
25#include <linux/mtd/partitions.h>
Valentin Longchamp220bbce2009-04-17 15:20:25 +020026#include <linux/platform_device.h>
Valentin Longchamp65da9792009-11-03 18:09:49 +010027#include <linux/regulator/machine.h>
28#include <linux/mfd/mc13783.h>
29#include <linux/spi/spi.h>
Valentin Longchamp220bbce2009-04-17 15:20:25 +020030#include <linux/types.h>
Uwe Kleine-König031e9122011-03-03 14:21:53 +010031#include <linux/memblock.h>
Philippe Rétornaz40d97b892011-09-20 10:57:43 +020032#include <linux/clk.h>
33#include <linux/io.h>
34#include <linux/err.h>
Philippe Rétornaz1f08c112011-07-22 16:17:12 +020035#include <linux/input.h>
Valentin Longchamp988d2d42008-11-23 17:35:08 +010036
Valentin Longchampd67d1072009-11-23 19:16:37 +010037#include <linux/usb/otg.h>
38#include <linux/usb/ulpi.h>
39
Valentin Longchamp988d2d42008-11-23 17:35:08 +010040#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/time.h>
43#include <asm/mach/map.h>
Russell King716a3dc2012-01-13 15:00:51 +000044#include <asm/memblock.h>
Arnd Bergmann82906b12012-08-24 15:14:29 +020045#include <linux/platform_data/asoc-imx-ssi.h>
Valentin Longchamp988d2d42008-11-23 17:35:08 +010046
Shawn Guo3ed0bcb2012-09-13 09:37:49 +080047#include "board-mx31moboard.h"
Shawn Guoe3372472012-09-13 21:01:00 +080048#include "common.h"
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +020049#include "devices-imx31.h"
Shawn Guo641dfe82014-05-19 20:41:52 +080050#include "ehci.h"
Shawn Guo50f2de62012-09-14 14:14:45 +080051#include "hardware.h"
Shawn Guo267dd342012-09-13 13:26:00 +080052#include "iomux-mx3.h"
Shawn Guo39ef6342012-09-13 21:46:09 +080053#include "ulpi.h"
Valentin Longchamp988d2d42008-11-23 17:35:08 +010054
Valentin Longchamp220bbce2009-04-17 15:20:25 +020055static unsigned int moboard_pins[] = {
56 /* UART0 */
Valentin Longchamp220bbce2009-04-17 15:20:25 +020057 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
Valentin Longchamp421bf822009-11-03 18:09:47 +010058 MX31_PIN_CTS1__GPIO2_7,
Valentin Longchamp220bbce2009-04-17 15:20:25 +020059 /* UART4 */
60 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
61 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
Valentin Longchamp56c7a452009-04-22 10:55:50 +020062 /* I2C0 */
63 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
64 /* I2C1 */
65 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
66 /* SDHC1 */
67 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
68 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
69 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
70 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
Valentin Longchampb23f1532009-08-10 18:33:11 +020071 /* USB reset */
72 MX31_PIN_GPIO1_0__GPIO1_0,
Valentin Longchamp88b05642009-08-10 18:33:12 +020073 /* USB OTG */
74 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
75 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
76 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
77 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
78 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
79 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
80 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
81 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
82 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
83 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
84 MX31_PIN_USB_OC__GPIO1_30,
Valentin Longchampd67d1072009-11-23 19:16:37 +010085 /* USB H2 */
86 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
87 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
88 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
89 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
90 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
91 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
92 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
93 MX31_PIN_SCK6__GPIO1_25,
Valentin Longchamp77aa5612009-08-12 11:29:19 +020094 /* LEDs */
95 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
96 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
Valentin Longchamp65da9792009-11-03 18:09:49 +010097 /* SPI1 */
98 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
99 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
100 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
101 /* Atlas IRQ */
102 MX31_PIN_GPIO1_3__GPIO1_3,
103 /* SPI2 */
104 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
105 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
106 MX31_PIN_CSPI2_SS1__CSPI3_SS1,
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200107 /* SSI */
108 MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
109 MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200110};
111
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100112static struct physmap_flash_data mx31moboard_flash_data = {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100113 .width = 2,
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100114};
115
116static struct resource mx31moboard_flash_resource = {
117 .start = 0xa0000000,
118 .end = 0xa1ffffff,
119 .flags = IORESOURCE_MEM,
120};
121
122static struct platform_device mx31moboard_flash = {
123 .name = "physmap-flash",
124 .id = 0,
125 .dev = {
126 .platform_data = &mx31moboard_flash_data,
127 },
128 .resource = &mx31moboard_flash_resource,
129 .num_resources = 1,
130};
131
Alexander Shiyan45af7802014-02-22 16:01:35 +0400132static void __init moboard_uart0_init(void)
Valentin Longchamp421bf822009-11-03 18:09:47 +0100133{
Alexander Shiyan45af7802014-02-22 16:01:35 +0400134 if (!gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack")) {
135 gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
Uwe Kleine-König5109a452010-06-23 11:57:19 +0200136 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
Alexander Shiyan45af7802014-02-22 16:01:35 +0400137 }
Valentin Longchamp421bf822009-11-03 18:09:47 +0100138}
139
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200140static const struct imxuart_platform_data uart0_pdata __initconst = {
Valentin Longchamp421bf822009-11-03 18:09:47 +0100141};
142
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200143static const struct imxuart_platform_data uart4_pdata __initconst = {
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100144 .flags = IMXUART_HAVE_RTSCTS,
145};
146
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200147static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200148 .bitrate = 400000,
149};
150
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200151static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200152 .bitrate = 100000,
153};
154
Valentin Longchamp65da9792009-11-03 18:09:49 +0100155static int moboard_spi1_cs[] = {
156 MXC_SPI_CS(0),
157 MXC_SPI_CS(2),
158};
159
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200160static const struct spi_imx_master moboard_spi1_pdata __initconst = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100161 .chipselect = moboard_spi1_cs,
162 .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
163};
164
165static struct regulator_consumer_supply sdhc_consumers[] = {
166 {
Shawn Guo7f917a82012-09-16 16:54:30 +0800167 .dev_name = "imx31-mmc.0",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100168 .supply = "sdhc0_vcc",
169 },
170 {
Shawn Guo7f917a82012-09-16 16:54:30 +0800171 .dev_name = "imx31-mmc.1",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100172 .supply = "sdhc1_vcc",
173 },
174};
175
176static struct regulator_init_data sdhc_vreg_data = {
177 .constraints = {
178 .min_uV = 2700000,
179 .max_uV = 3000000,
180 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
181 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
182 .valid_modes_mask = REGULATOR_MODE_NORMAL |
183 REGULATOR_MODE_FAST,
184 .always_on = 0,
185 .boot_on = 1,
186 },
187 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
188 .consumer_supplies = sdhc_consumers,
189};
190
191static struct regulator_consumer_supply cam_consumers[] = {
192 {
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100193 .dev_name = "mx3_camera.0",
194 .supply = "cam_vcc",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100195 },
196};
197
198static struct regulator_init_data cam_vreg_data = {
199 .constraints = {
200 .min_uV = 2700000,
201 .max_uV = 3000000,
202 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
203 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
204 .valid_modes_mask = REGULATOR_MODE_NORMAL |
205 REGULATOR_MODE_FAST,
206 .always_on = 0,
207 .boot_on = 1,
208 },
209 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
210 .consumer_supplies = cam_consumers,
211};
212
David Jander58363722011-02-10 10:59:44 +0100213static struct mc13xxx_regulator_init_data moboard_regulators[] = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100214 {
Yong Shen57c78e32010-12-14 14:00:53 +0800215 .id = MC13783_REG_VMMC1,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100216 .init_data = &sdhc_vreg_data,
217 },
218 {
Yong Shen57c78e32010-12-14 14:00:53 +0800219 .id = MC13783_REG_VCAM,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100220 .init_data = &cam_vreg_data,
221 },
222};
223
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200224static struct mc13xxx_led_platform_data moboard_led[] = {
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200225 {
226 .id = MC13783_LED_R1,
227 .name = "coreboard-led-4:red",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200228 },
229 {
230 .id = MC13783_LED_G1,
231 .name = "coreboard-led-4:green",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200232 },
233 {
234 .id = MC13783_LED_B1,
235 .name = "coreboard-led-4:blue",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200236 },
237 {
238 .id = MC13783_LED_R2,
239 .name = "coreboard-led-5:red",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200240 },
241 {
242 .id = MC13783_LED_G2,
243 .name = "coreboard-led-5:green",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200244 },
245 {
246 .id = MC13783_LED_B2,
247 .name = "coreboard-led-5:blue",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200248 },
249};
250
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200251static struct mc13xxx_leds_platform_data moboard_leds = {
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200252 .num_leds = ARRAY_SIZE(moboard_led),
253 .led = moboard_led,
Alexander Shiyan9d2638132013-06-10 09:59:30 -0700254 .led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
255 .led_control[1] = MC13783_LED_C1_SLEWLIM,
256 .led_control[2] = MC13783_LED_C2_SLEWLIM,
Alexander Shiyan01a7a062013-12-06 22:22:18 -0800257 .led_control[3] = MC13783_LED_C3_PERIOD(0) |
258 MC13783_LED_C3_CURRENT_R1(2) |
259 MC13783_LED_C3_CURRENT_G1(2) |
260 MC13783_LED_C3_CURRENT_B1(2),
261 .led_control[4] = MC13783_LED_C4_PERIOD(0) |
262 MC13783_LED_C4_CURRENT_R2(3) |
263 MC13783_LED_C4_CURRENT_G2(3) |
264 MC13783_LED_C4_CURRENT_B2(3),
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200265};
266
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200267static struct mc13xxx_buttons_platform_data moboard_buttons = {
Philippe Rétornaz1f08c112011-07-22 16:17:12 +0200268 .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
269 MC13783_BUTTON_POL_INVERT,
270 .b1on_key = KEY_POWER,
271};
272
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200273static struct mc13xxx_codec_platform_data moboard_codec = {
274 .dac_ssi_port = MC13783_SSI1_PORT,
275 .adc_ssi_port = MC13783_SSI1_PORT,
276};
277
David Jander58363722011-02-10 10:59:44 +0100278static struct mc13xxx_platform_data moboard_pmic = {
Andres Salomon4ec1b542011-02-17 19:07:23 -0800279 .regulators = {
280 .regulators = moboard_regulators,
281 .num_regulators = ARRAY_SIZE(moboard_regulators),
282 },
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200283 .leds = &moboard_leds,
Philippe Rétornaz1f08c112011-07-22 16:17:12 +0200284 .buttons = &moboard_buttons,
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200285 .codec = &moboard_codec,
286 .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
287};
288
289static struct imx_ssi_platform_data moboard_ssi_pdata = {
290 .flags = IMX_SSI_DMA | IMX_SSI_NET,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100291};
292
293static struct spi_board_info moboard_spi_board_info[] __initdata = {
294 {
295 .modalias = "mc13783",
Shawn Guoed175342011-12-02 20:00:33 +0800296 /* irq number is run-time assigned */
Valentin Longchamp65da9792009-11-03 18:09:49 +0100297 .max_speed_hz = 300000,
298 .bus_num = 1,
299 .chip_select = 0,
300 .platform_data = &moboard_pmic,
301 .mode = SPI_CS_HIGH,
302 },
Valentin Longchamp65da9792009-11-03 18:09:49 +0100303};
304
305static int moboard_spi2_cs[] = {
306 MXC_SPI_CS(1),
307};
308
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200309static const struct spi_imx_master moboard_spi2_pdata __initconst = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100310 .chipselect = moboard_spi2_cs,
311 .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
312};
313
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200314#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
315#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
316
317static int moboard_sdhc1_get_ro(struct device *dev)
318{
Valentin Longchamp563abb42009-08-11 17:29:21 +0200319 return !gpio_get_value(SDHC1_WP);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200320}
321
322static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
323 void *data)
324{
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200325 int ret;
326
327 ret = gpio_request(SDHC1_CD, "sdhc-detect");
328 if (ret)
329 return ret;
330
331 gpio_direction_input(SDHC1_CD);
332
333 ret = gpio_request(SDHC1_WP, "sdhc-wp");
334 if (ret)
335 goto err_gpio_free;
336 gpio_direction_input(SDHC1_WP);
337
338 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200339 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
340 "sdhc1-card-detect", data);
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200341 if (ret)
342 goto err_gpio_free_2;
343
344 return 0;
345
346err_gpio_free_2:
347 gpio_free(SDHC1_WP);
348err_gpio_free:
349 gpio_free(SDHC1_CD);
350
351 return ret;
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200352}
353
354static void moboard_sdhc1_exit(struct device *dev, void *data)
355{
356 free_irq(gpio_to_irq(SDHC1_CD), data);
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200357 gpio_free(SDHC1_WP);
358 gpio_free(SDHC1_CD);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200359}
360
Uwe Kleine-König6a697e32010-11-12 11:10:55 +0100361static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200362 .get_ro = moboard_sdhc1_get_ro,
363 .init = moboard_sdhc1_init,
364 .exit = moboard_sdhc1_exit,
365};
366
Valentin Longchampb23f1532009-08-10 18:33:11 +0200367/*
368 * this pin is dedicated for all mx31moboard systems, so we do it here
369 */
370#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
Philippe Rétornaz25783602010-05-11 16:57:49 +0200371#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
372 PAD_CTL_ODE_CMOS)
373
374#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
375#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
Valentin Longchampb23f1532009-08-10 18:33:11 +0200376
377static void usb_xcvr_reset(void)
378{
Philippe Rétornaz25783602010-05-11 16:57:49 +0200379 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
380 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
381 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
382 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
383 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
384 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
385 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
386 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
387 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
388 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
389 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
390 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
391
392 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
393 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
394 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
395 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
396 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
397 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
398 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
399 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
400 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
401 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
402 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
403 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
404 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
405
406 gpio_request(OTG_EN_B, "usb-udc-en");
407 gpio_direction_output(OTG_EN_B, 0);
408 gpio_request(USBH2_EN_B, "usbh2-en");
409 gpio_direction_output(USBH2_EN_B, 0);
410
Valentin Longchampb23f1532009-08-10 18:33:11 +0200411 gpio_request(USB_RESET_B, "usb-reset");
412 gpio_direction_output(USB_RESET_B, 0);
413 mdelay(1);
414 gpio_set_value(USB_RESET_B, 1);
Philippe Rétornaz25783602010-05-11 16:57:49 +0200415 mdelay(1);
Valentin Longchamp88b05642009-08-10 18:33:12 +0200416}
417
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100418static int moboard_usbh2_init_hw(struct platform_device *pdev)
419{
420 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
421}
Uwe Kleine-Königf9ffaa92009-12-22 17:31:05 +0100422
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100423static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100424 .init = moboard_usbh2_init_hw,
Valentin Longchampd67d1072009-11-23 19:16:37 +0100425 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
Valentin Longchampd67d1072009-11-23 19:16:37 +0100426};
427
428static int __init moboard_usbh2_init(void)
429{
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100430 struct platform_device *pdev;
431
Sascha Hauer48f6b092011-03-02 09:27:42 +0100432 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
433 ULPI_OTG_DRVVBUS_EXT);
434 if (!usbh2_pdata.otg)
435 return -ENODEV;
Valentin Longchampd67d1072009-11-23 19:16:37 +0100436
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100437 pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100438
Fabian Frederickd3a22442014-07-04 21:03:10 +0200439 return PTR_ERR_OR_ZERO(pdev);
Valentin Longchampd67d1072009-11-23 19:16:37 +0100440}
Valentin Longchampd67d1072009-11-23 19:16:37 +0100441
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200442static const struct gpio_led mx31moboard_leds[] __initconst = {
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200443 {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100444 .name = "coreboard-led-0:red:running",
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200445 .default_trigger = "heartbeat",
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100446 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200447 }, {
448 .name = "coreboard-led-1:red",
449 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
450 }, {
451 .name = "coreboard-led-2:red",
452 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
453 }, {
454 .name = "coreboard-led-3:red",
455 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
456 },
457};
458
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200459static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100460 .num_leds = ARRAY_SIZE(mx31moboard_leds),
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200461 .leds = mx31moboard_leds,
462};
463
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100464static struct platform_device *devices[] __initdata = {
465 &mx31moboard_flash,
466};
467
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100468static struct mx3_camera_pdata camera_pdata __initdata = {
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100469 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
470 .mclk_10khz = 4800,
471};
472
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100473static phys_addr_t mx3_camera_base __initdata;
474#define MX3_CAMERA_BUF_SIZE SZ_4M
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100475
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100476static int __init mx31moboard_init_cam(void)
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100477{
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100478 int dma, ret = -ENOMEM;
479 struct platform_device *pdev;
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100480
Shawn Guo88289c82012-06-13 14:07:31 +0800481 imx31_add_ipu_core();
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100482
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100483 pdev = imx31_alloc_mx3_camera(&camera_pdata);
484 if (IS_ERR(pdev))
485 return PTR_ERR(pdev);
486
487 dma = dma_declare_coherent_memory(&pdev->dev,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100488 mx3_camera_base, mx3_camera_base,
489 MX3_CAMERA_BUF_SIZE,
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100490 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100491 if (!(dma & DMA_MEMORY_MAP))
492 goto err;
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100493
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100494 ret = platform_device_add(pdev);
495 if (ret)
496err:
497 platform_device_put(pdev);
498
499 return ret;
500
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100501}
502
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200503static void mx31moboard_poweroff(void)
504{
505 struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
506
507 if (!IS_ERR(clk))
Richard Zhao81860642011-11-15 14:48:04 +0800508 clk_prepare_enable(clk);
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200509
510 mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
511
512 __raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
513}
514
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100515static int mx31moboard_baseboard;
516core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
517
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100518/*
519 * Board specific initialization.
520 */
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100521static void __init mx31moboard_init(void)
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100522{
Shawn Guob78d8e52011-06-06 00:07:55 +0800523 imx31_soc_init();
524
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200525 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
526 "moboard");
527
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100528 platform_add_devices(devices, ARRAY_SIZE(devices));
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200529 gpio_led_register_device(-1, &mx31moboard_led_pdata);
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100530
Benoît Thébaudeaubec31a82012-07-04 16:35:54 +0200531 imx31_add_imx2_wdt();
Philippe Rétornaz31776fb2012-01-20 18:58:23 +0100532
Alexander Shiyan45af7802014-02-22 16:01:35 +0400533 moboard_uart0_init();
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200534 imx31_add_imx_uart0(&uart0_pdata);
535 imx31_add_imx_uart4(&uart4_pdata);
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100536
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200537 imx31_add_imx_i2c0(&moboard_i2c0_data);
538 imx31_add_imx_i2c1(&moboard_i2c1_data);
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200539
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200540 imx31_add_spi_imx1(&moboard_spi1_pdata);
541 imx31_add_spi_imx2(&moboard_spi2_pdata);
Valentin Longchamp65da9792009-11-03 18:09:49 +0100542
543 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
544 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
Shawn Guoed175342011-12-02 20:00:33 +0800545 moboard_spi_board_info[0].irq =
546 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
Valentin Longchamp65da9792009-11-03 18:09:49 +0100547 spi_register_board_info(moboard_spi_board_info,
548 ARRAY_SIZE(moboard_spi_board_info));
549
Uwe Kleine-König6a697e32010-11-12 11:10:55 +0100550 imx31_add_mxc_mmc(0, &sdhc1_pdata);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200551
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100552 mx31moboard_init_cam();
Valentin Longchamp4dd71292009-11-03 18:09:50 +0100553
Valentin Longchampb23f1532009-08-10 18:33:11 +0200554 usb_xcvr_reset();
555
Valentin Longchampd67d1072009-11-23 19:16:37 +0100556 moboard_usbh2_init();
Valentin Longchamp88b05642009-08-10 18:33:12 +0200557
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200558 imx31_add_imx_ssi(0, &moboard_ssi_pdata);
559
560 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
561
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200562 pm_power_off = mx31moboard_poweroff;
563
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100564 switch (mx31moboard_baseboard) {
565 case MX31NOBOARD:
566 break;
567 case MX31DEVBOARD:
568 mx31moboard_devboard_init();
569 break;
570 case MX31MARXBOT:
571 mx31moboard_marxbot_init();
572 break;
Valentin Longchampe335c752010-02-09 18:13:36 +0100573 case MX31SMARTBOT:
Philippe Rétornaz3a47b1a2010-05-11 16:57:51 +0200574 case MX31EYEBOT:
575 mx31moboard_smartbot_init(mx31moboard_baseboard);
Valentin Longchampe335c752010-02-09 18:13:36 +0100576 break;
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100577 default:
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200578 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
579 mx31moboard_baseboard);
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100580 }
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100581}
582
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100583static void __init mx31moboard_timer_init(void)
584{
Sascha Hauer30c730f2009-02-16 14:36:49 +0100585 mx31_clocks_init(26000000);
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100586}
587
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100588static void __init mx31moboard_reserve(void)
589{
590 /* reserve 4 MiB for mx3-camera */
Russell King716a3dc2012-01-13 15:00:51 +0000591 mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100592 MX3_CAMERA_BUF_SIZE);
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100593}
594
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100595MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
Philippe Rétornaz0fbe6b02012-01-20 18:58:22 +0100596 /* Maintainer: Philippe Retornaz, EPFL Mobots group */
Nicolas Pitredc8f1902011-07-05 22:38:12 -0400597 .atag_offset = 0x100,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100598 .reserve = mx31moboard_reserve,
Uwe Kleine-König97976e22011-02-07 16:35:20 +0100599 .map_io = mx31_map_io,
600 .init_early = imx31_init_early,
601 .init_irq = mx31_init_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700602 .init_time = mx31moboard_timer_init,
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100603 .init_machine = mx31moboard_init,
Russell King65ea7882011-11-06 17:12:08 +0000604 .restart = mxc_restart,
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100605MACHINE_END