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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 Guo50f2de62012-09-14 14:14:45 +080050#include "hardware.h"
Shawn Guo267dd342012-09-13 13:26:00 +080051#include "iomux-mx3.h"
Shawn Guo39ef6342012-09-13 21:46:09 +080052#include "ulpi.h"
Valentin Longchamp988d2d42008-11-23 17:35:08 +010053
Valentin Longchamp220bbce2009-04-17 15:20:25 +020054static unsigned int moboard_pins[] = {
55 /* UART0 */
Valentin Longchamp220bbce2009-04-17 15:20:25 +020056 MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1,
Valentin Longchamp421bf822009-11-03 18:09:47 +010057 MX31_PIN_CTS1__GPIO2_7,
Valentin Longchamp220bbce2009-04-17 15:20:25 +020058 /* UART4 */
59 MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5,
60 MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5,
Valentin Longchamp56c7a452009-04-22 10:55:50 +020061 /* I2C0 */
62 MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL,
63 /* I2C1 */
64 MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL,
65 /* SDHC1 */
66 MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2,
67 MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0,
68 MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD,
69 MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27,
Valentin Longchampb23f1532009-08-10 18:33:11 +020070 /* USB reset */
71 MX31_PIN_GPIO1_0__GPIO1_0,
Valentin Longchamp88b05642009-08-10 18:33:12 +020072 /* USB OTG */
73 MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,
74 MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,
75 MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,
76 MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,
77 MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,
78 MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,
79 MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,
80 MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,
81 MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR,
82 MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP,
83 MX31_PIN_USB_OC__GPIO1_30,
Valentin Longchampd67d1072009-11-23 19:16:37 +010084 /* USB H2 */
85 MX31_PIN_USBH2_DATA0__USBH2_DATA0,
86 MX31_PIN_USBH2_DATA1__USBH2_DATA1,
87 MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3,
88 MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5,
89 MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7,
90 MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR,
91 MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP,
92 MX31_PIN_SCK6__GPIO1_25,
Valentin Longchamp77aa5612009-08-12 11:29:19 +020093 /* LEDs */
94 MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1,
95 MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3,
Valentin Longchamp65da9792009-11-03 18:09:49 +010096 /* SPI1 */
97 MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO,
98 MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY,
99 MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2,
100 /* Atlas IRQ */
101 MX31_PIN_GPIO1_3__GPIO1_3,
102 /* SPI2 */
103 MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO,
104 MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY,
105 MX31_PIN_CSPI2_SS1__CSPI3_SS1,
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200106 /* SSI */
107 MX31_PIN_STXD4__STXD4, MX31_PIN_SRXD4__SRXD4,
108 MX31_PIN_SCK4__SCK4, MX31_PIN_SFS4__SFS4,
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200109};
110
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100111static struct physmap_flash_data mx31moboard_flash_data = {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100112 .width = 2,
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100113};
114
115static struct resource mx31moboard_flash_resource = {
116 .start = 0xa0000000,
117 .end = 0xa1ffffff,
118 .flags = IORESOURCE_MEM,
119};
120
121static struct platform_device mx31moboard_flash = {
122 .name = "physmap-flash",
123 .id = 0,
124 .dev = {
125 .platform_data = &mx31moboard_flash_data,
126 },
127 .resource = &mx31moboard_flash_resource,
128 .num_resources = 1,
129};
130
Valentin Longchamp421bf822009-11-03 18:09:47 +0100131static int moboard_uart0_init(struct platform_device *pdev)
132{
Uwe Kleine-König5109a452010-06-23 11:57:19 +0200133 int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack");
134 if (ret)
135 return ret;
136
137 ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0);
138 if (ret)
139 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
140
141 return ret;
142}
143
144static void moboard_uart0_exit(struct platform_device *pdev)
145{
146 gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1));
Valentin Longchamp421bf822009-11-03 18:09:47 +0100147}
148
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200149static const struct imxuart_platform_data uart0_pdata __initconst = {
Valentin Longchamp421bf822009-11-03 18:09:47 +0100150 .init = moboard_uart0_init,
Uwe Kleine-König5109a452010-06-23 11:57:19 +0200151 .exit = moboard_uart0_exit,
Valentin Longchamp421bf822009-11-03 18:09:47 +0100152};
153
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200154static const struct imxuart_platform_data uart4_pdata __initconst = {
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100155 .flags = IMXUART_HAVE_RTSCTS,
156};
157
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200158static const struct imxi2c_platform_data moboard_i2c0_data __initconst = {
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200159 .bitrate = 400000,
160};
161
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200162static const struct imxi2c_platform_data moboard_i2c1_data __initconst = {
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200163 .bitrate = 100000,
164};
165
Valentin Longchamp65da9792009-11-03 18:09:49 +0100166static int moboard_spi1_cs[] = {
167 MXC_SPI_CS(0),
168 MXC_SPI_CS(2),
169};
170
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200171static const struct spi_imx_master moboard_spi1_pdata __initconst = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100172 .chipselect = moboard_spi1_cs,
173 .num_chipselect = ARRAY_SIZE(moboard_spi1_cs),
174};
175
176static struct regulator_consumer_supply sdhc_consumers[] = {
177 {
Shawn Guo7f917a82012-09-16 16:54:30 +0800178 .dev_name = "imx31-mmc.0",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100179 .supply = "sdhc0_vcc",
180 },
181 {
Shawn Guo7f917a82012-09-16 16:54:30 +0800182 .dev_name = "imx31-mmc.1",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100183 .supply = "sdhc1_vcc",
184 },
185};
186
187static struct regulator_init_data sdhc_vreg_data = {
188 .constraints = {
189 .min_uV = 2700000,
190 .max_uV = 3000000,
191 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
192 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
193 .valid_modes_mask = REGULATOR_MODE_NORMAL |
194 REGULATOR_MODE_FAST,
195 .always_on = 0,
196 .boot_on = 1,
197 },
198 .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers),
199 .consumer_supplies = sdhc_consumers,
200};
201
202static struct regulator_consumer_supply cam_consumers[] = {
203 {
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100204 .dev_name = "mx3_camera.0",
205 .supply = "cam_vcc",
Valentin Longchamp65da9792009-11-03 18:09:49 +0100206 },
207};
208
209static struct regulator_init_data cam_vreg_data = {
210 .constraints = {
211 .min_uV = 2700000,
212 .max_uV = 3000000,
213 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
214 REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS,
215 .valid_modes_mask = REGULATOR_MODE_NORMAL |
216 REGULATOR_MODE_FAST,
217 .always_on = 0,
218 .boot_on = 1,
219 },
220 .num_consumer_supplies = ARRAY_SIZE(cam_consumers),
221 .consumer_supplies = cam_consumers,
222};
223
David Jander58363722011-02-10 10:59:44 +0100224static struct mc13xxx_regulator_init_data moboard_regulators[] = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100225 {
Yong Shen57c78e32010-12-14 14:00:53 +0800226 .id = MC13783_REG_VMMC1,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100227 .init_data = &sdhc_vreg_data,
228 },
229 {
Yong Shen57c78e32010-12-14 14:00:53 +0800230 .id = MC13783_REG_VCAM,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100231 .init_data = &cam_vreg_data,
232 },
233};
234
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200235static struct mc13xxx_led_platform_data moboard_led[] = {
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200236 {
237 .id = MC13783_LED_R1,
238 .name = "coreboard-led-4:red",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200239 },
240 {
241 .id = MC13783_LED_G1,
242 .name = "coreboard-led-4:green",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200243 },
244 {
245 .id = MC13783_LED_B1,
246 .name = "coreboard-led-4:blue",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200247 },
248 {
249 .id = MC13783_LED_R2,
250 .name = "coreboard-led-5:red",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200251 },
252 {
253 .id = MC13783_LED_G2,
254 .name = "coreboard-led-5:green",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200255 },
256 {
257 .id = MC13783_LED_B2,
258 .name = "coreboard-led-5:blue",
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200259 },
260};
261
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200262static struct mc13xxx_leds_platform_data moboard_leds = {
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200263 .num_leds = ARRAY_SIZE(moboard_led),
264 .led = moboard_led,
Alexander Shiyan9d2638132013-06-10 09:59:30 -0700265 .led_control[0] = MC13783_LED_C0_ENABLE | MC13783_LED_C0_ABMODE(0),
266 .led_control[1] = MC13783_LED_C1_SLEWLIM,
267 .led_control[2] = MC13783_LED_C2_SLEWLIM,
Alexander Shiyan01a7a062013-12-06 22:22:18 -0800268 .led_control[3] = MC13783_LED_C3_PERIOD(0) |
269 MC13783_LED_C3_CURRENT_R1(2) |
270 MC13783_LED_C3_CURRENT_G1(2) |
271 MC13783_LED_C3_CURRENT_B1(2),
272 .led_control[4] = MC13783_LED_C4_PERIOD(0) |
273 MC13783_LED_C4_CURRENT_R2(3) |
274 MC13783_LED_C4_CURRENT_G2(3) |
275 MC13783_LED_C4_CURRENT_B2(3),
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200276};
277
Uwe Kleine-Königd3efa4e2011-09-26 08:50:55 +0200278static struct mc13xxx_buttons_platform_data moboard_buttons = {
Philippe Rétornaz1f08c112011-07-22 16:17:12 +0200279 .b1on_flags = MC13783_BUTTON_DBNC_750MS | MC13783_BUTTON_ENABLE |
280 MC13783_BUTTON_POL_INVERT,
281 .b1on_key = KEY_POWER,
282};
283
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200284static struct mc13xxx_codec_platform_data moboard_codec = {
285 .dac_ssi_port = MC13783_SSI1_PORT,
286 .adc_ssi_port = MC13783_SSI1_PORT,
287};
288
David Jander58363722011-02-10 10:59:44 +0100289static struct mc13xxx_platform_data moboard_pmic = {
Andres Salomon4ec1b542011-02-17 19:07:23 -0800290 .regulators = {
291 .regulators = moboard_regulators,
292 .num_regulators = ARRAY_SIZE(moboard_regulators),
293 },
Philippe Rétornaza7cca8a2010-05-19 09:24:32 +0200294 .leds = &moboard_leds,
Philippe Rétornaz1f08c112011-07-22 16:17:12 +0200295 .buttons = &moboard_buttons,
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200296 .codec = &moboard_codec,
297 .flags = MC13XXX_USE_RTC | MC13XXX_USE_ADC | MC13XXX_USE_CODEC,
298};
299
300static struct imx_ssi_platform_data moboard_ssi_pdata = {
301 .flags = IMX_SSI_DMA | IMX_SSI_NET,
Valentin Longchamp65da9792009-11-03 18:09:49 +0100302};
303
304static struct spi_board_info moboard_spi_board_info[] __initdata = {
305 {
306 .modalias = "mc13783",
Shawn Guoed175342011-12-02 20:00:33 +0800307 /* irq number is run-time assigned */
Valentin Longchamp65da9792009-11-03 18:09:49 +0100308 .max_speed_hz = 300000,
309 .bus_num = 1,
310 .chip_select = 0,
311 .platform_data = &moboard_pmic,
312 .mode = SPI_CS_HIGH,
313 },
Valentin Longchamp65da9792009-11-03 18:09:49 +0100314};
315
316static int moboard_spi2_cs[] = {
317 MXC_SPI_CS(1),
318};
319
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200320static const struct spi_imx_master moboard_spi2_pdata __initconst = {
Valentin Longchamp65da9792009-11-03 18:09:49 +0100321 .chipselect = moboard_spi2_cs,
322 .num_chipselect = ARRAY_SIZE(moboard_spi2_cs),
323};
324
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200325#define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0)
326#define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1)
327
328static int moboard_sdhc1_get_ro(struct device *dev)
329{
Valentin Longchamp563abb42009-08-11 17:29:21 +0200330 return !gpio_get_value(SDHC1_WP);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200331}
332
333static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
334 void *data)
335{
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200336 int ret;
337
338 ret = gpio_request(SDHC1_CD, "sdhc-detect");
339 if (ret)
340 return ret;
341
342 gpio_direction_input(SDHC1_CD);
343
344 ret = gpio_request(SDHC1_WP, "sdhc-wp");
345 if (ret)
346 goto err_gpio_free;
347 gpio_direction_input(SDHC1_WP);
348
349 ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq,
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200350 IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
351 "sdhc1-card-detect", data);
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200352 if (ret)
353 goto err_gpio_free_2;
354
355 return 0;
356
357err_gpio_free_2:
358 gpio_free(SDHC1_WP);
359err_gpio_free:
360 gpio_free(SDHC1_CD);
361
362 return ret;
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200363}
364
365static void moboard_sdhc1_exit(struct device *dev, void *data)
366{
367 free_irq(gpio_to_irq(SDHC1_CD), data);
Sascha Hauer4f163eb2009-05-06 12:55:50 +0200368 gpio_free(SDHC1_WP);
369 gpio_free(SDHC1_CD);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200370}
371
Uwe Kleine-König6a697e32010-11-12 11:10:55 +0100372static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200373 .get_ro = moboard_sdhc1_get_ro,
374 .init = moboard_sdhc1_init,
375 .exit = moboard_sdhc1_exit,
376};
377
Valentin Longchampb23f1532009-08-10 18:33:11 +0200378/*
379 * this pin is dedicated for all mx31moboard systems, so we do it here
380 */
381#define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0)
Philippe Rétornaz25783602010-05-11 16:57:49 +0200382#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \
383 PAD_CTL_ODE_CMOS)
384
385#define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC)
386#define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6)
Valentin Longchampb23f1532009-08-10 18:33:11 +0200387
388static void usb_xcvr_reset(void)
389{
Philippe Rétornaz25783602010-05-11 16:57:49 +0200390 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
391 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
392 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD);
393 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD);
394 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD);
395 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD);
396 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD);
397 mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD);
398 mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
399 mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
400 mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
401 mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
402
403 mxc_iomux_set_gpr(MUX_PGP_UH2, true);
404 mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU);
405 mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU);
406 mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU);
407 mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU);
408 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD);
409 mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD);
410 mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
411 mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD);
412 mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD);
413 mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD);
414 mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
415 mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD);
416
417 gpio_request(OTG_EN_B, "usb-udc-en");
418 gpio_direction_output(OTG_EN_B, 0);
419 gpio_request(USBH2_EN_B, "usbh2-en");
420 gpio_direction_output(USBH2_EN_B, 0);
421
Valentin Longchampb23f1532009-08-10 18:33:11 +0200422 gpio_request(USB_RESET_B, "usb-reset");
423 gpio_direction_output(USB_RESET_B, 0);
424 mdelay(1);
425 gpio_set_value(USB_RESET_B, 1);
Philippe Rétornaz25783602010-05-11 16:57:49 +0200426 mdelay(1);
Valentin Longchamp88b05642009-08-10 18:33:12 +0200427}
428
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100429static int moboard_usbh2_init_hw(struct platform_device *pdev)
430{
431 return mx31_initialize_usb_hw(pdev->id, MXC_EHCI_POWER_PINS_ENABLED);
432}
Uwe Kleine-Königf9ffaa92009-12-22 17:31:05 +0100433
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100434static struct mxc_usbh_platform_data usbh2_pdata __initdata = {
Sascha Hauer4bd597b2011-01-03 11:30:28 +0100435 .init = moboard_usbh2_init_hw,
Valentin Longchampd67d1072009-11-23 19:16:37 +0100436 .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,
Valentin Longchampd67d1072009-11-23 19:16:37 +0100437};
438
439static int __init moboard_usbh2_init(void)
440{
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100441 struct platform_device *pdev;
442
Sascha Hauer48f6b092011-03-02 09:27:42 +0100443 usbh2_pdata.otg = imx_otg_ulpi_create(ULPI_OTG_DRVVBUS |
444 ULPI_OTG_DRVVBUS_EXT);
445 if (!usbh2_pdata.otg)
446 return -ENODEV;
Valentin Longchampd67d1072009-11-23 19:16:37 +0100447
Uwe Kleine-König2d58de22010-11-15 11:57:49 +0100448 pdev = imx31_add_mxc_ehci_hs(2, &usbh2_pdata);
449 if (IS_ERR(pdev))
450 return PTR_ERR(pdev);
451
452 return 0;
Valentin Longchampd67d1072009-11-23 19:16:37 +0100453}
Valentin Longchampd67d1072009-11-23 19:16:37 +0100454
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200455static const struct gpio_led mx31moboard_leds[] __initconst = {
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200456 {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100457 .name = "coreboard-led-0:red:running",
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200458 .default_trigger = "heartbeat",
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100459 .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0),
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200460 }, {
461 .name = "coreboard-led-1:red",
462 .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0),
463 }, {
464 .name = "coreboard-led-2:red",
465 .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0),
466 }, {
467 .name = "coreboard-led-3:red",
468 .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0),
469 },
470};
471
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200472static const struct gpio_led_platform_data mx31moboard_led_pdata __initconst = {
Uwe Kleine-König27ad4bf2011-03-17 09:40:29 +0100473 .num_leds = ARRAY_SIZE(mx31moboard_leds),
Valentin Longchamp77aa5612009-08-12 11:29:19 +0200474 .leds = mx31moboard_leds,
475};
476
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100477static struct platform_device *devices[] __initdata = {
478 &mx31moboard_flash,
479};
480
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100481static struct mx3_camera_pdata camera_pdata __initdata = {
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100482 .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10,
483 .mclk_10khz = 4800,
484};
485
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100486static phys_addr_t mx3_camera_base __initdata;
487#define MX3_CAMERA_BUF_SIZE SZ_4M
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100488
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100489static int __init mx31moboard_init_cam(void)
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100490{
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100491 int dma, ret = -ENOMEM;
492 struct platform_device *pdev;
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100493
Shawn Guo88289c82012-06-13 14:07:31 +0800494 imx31_add_ipu_core();
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100495
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100496 pdev = imx31_alloc_mx3_camera(&camera_pdata);
497 if (IS_ERR(pdev))
498 return PTR_ERR(pdev);
499
500 dma = dma_declare_coherent_memory(&pdev->dev,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100501 mx3_camera_base, mx3_camera_base,
502 MX3_CAMERA_BUF_SIZE,
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100503 DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100504 if (!(dma & DMA_MEMORY_MAP))
505 goto err;
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100506
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100507 ret = platform_device_add(pdev);
508 if (ret)
509err:
510 platform_device_put(pdev);
511
512 return ret;
513
Valentin Longchamp04ea3c82009-11-03 18:09:51 +0100514}
515
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200516static void mx31moboard_poweroff(void)
517{
518 struct clk *clk = clk_get_sys("imx2-wdt.0", NULL);
519
520 if (!IS_ERR(clk))
Richard Zhao81860642011-11-15 14:48:04 +0800521 clk_prepare_enable(clk);
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200522
523 mxc_iomux_mode(MX31_PIN_WATCHDOG_RST__WATCHDOG_RST);
524
525 __raw_writew(1 << 6 | 1 << 2, MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
526}
527
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100528static int mx31moboard_baseboard;
529core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444);
530
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100531/*
532 * Board specific initialization.
533 */
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100534static void __init mx31moboard_init(void)
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100535{
Shawn Guob78d8e52011-06-06 00:07:55 +0800536 imx31_soc_init();
537
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200538 mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins),
539 "moboard");
540
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100541 platform_add_devices(devices, ARRAY_SIZE(devices));
Uwe Kleine-König47e837b2011-05-28 21:05:01 +0200542 gpio_led_register_device(-1, &mx31moboard_led_pdata);
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100543
Benoît Thébaudeaubec31a82012-07-04 16:35:54 +0200544 imx31_add_imx2_wdt();
Philippe Rétornaz31776fb2012-01-20 18:58:23 +0100545
Uwe Kleine-König16cf5c42010-06-23 11:46:16 +0200546 imx31_add_imx_uart0(&uart0_pdata);
547 imx31_add_imx_uart4(&uart4_pdata);
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100548
Uwe Kleine-König4a9b8b02010-06-16 18:03:05 +0200549 imx31_add_imx_i2c0(&moboard_i2c0_data);
550 imx31_add_imx_i2c1(&moboard_i2c1_data);
Valentin Longchamp4ec6ecc2009-04-21 10:24:22 +0200551
Uwe Kleine-König06606ff2010-06-22 10:09:14 +0200552 imx31_add_spi_imx1(&moboard_spi1_pdata);
553 imx31_add_spi_imx2(&moboard_spi2_pdata);
Valentin Longchamp65da9792009-11-03 18:09:49 +0100554
555 gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq");
556 gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
Shawn Guoed175342011-12-02 20:00:33 +0800557 moboard_spi_board_info[0].irq =
558 gpio_to_irq(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3));
Valentin Longchamp65da9792009-11-03 18:09:49 +0100559 spi_register_board_info(moboard_spi_board_info,
560 ARRAY_SIZE(moboard_spi_board_info));
561
Uwe Kleine-König6a697e32010-11-12 11:10:55 +0100562 imx31_add_mxc_mmc(0, &sdhc1_pdata);
Valentin Longchamp45b131a2009-04-21 10:24:56 +0200563
Uwe Kleine-Königafa77ef2011-03-03 21:32:02 +0100564 mx31moboard_init_cam();
Valentin Longchamp4dd71292009-11-03 18:09:50 +0100565
Valentin Longchampb23f1532009-08-10 18:33:11 +0200566 usb_xcvr_reset();
567
Valentin Longchampd67d1072009-11-23 19:16:37 +0100568 moboard_usbh2_init();
Valentin Longchamp88b05642009-08-10 18:33:12 +0200569
Philippe Rétornaz2f7b9452012-05-15 13:53:52 +0200570 imx31_add_imx_ssi(0, &moboard_ssi_pdata);
571
572 imx_add_platform_device("imx_mc13783", 0, NULL, 0, NULL, 0);
573
Philippe Rétornaz40d97b892011-09-20 10:57:43 +0200574 pm_power_off = mx31moboard_poweroff;
575
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100576 switch (mx31moboard_baseboard) {
577 case MX31NOBOARD:
578 break;
579 case MX31DEVBOARD:
580 mx31moboard_devboard_init();
581 break;
582 case MX31MARXBOT:
583 mx31moboard_marxbot_init();
584 break;
Valentin Longchampe335c752010-02-09 18:13:36 +0100585 case MX31SMARTBOT:
Philippe Rétornaz3a47b1a2010-05-11 16:57:51 +0200586 case MX31EYEBOT:
587 mx31moboard_smartbot_init(mx31moboard_baseboard);
Valentin Longchampe335c752010-02-09 18:13:36 +0100588 break;
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100589 default:
Valentin Longchamp220bbce2009-04-17 15:20:25 +0200590 printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n",
591 mx31moboard_baseboard);
Valentin Longchampe00f0b42009-02-16 12:47:51 +0100592 }
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100593}
594
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100595static void __init mx31moboard_timer_init(void)
596{
Sascha Hauer30c730f2009-02-16 14:36:49 +0100597 mx31_clocks_init(26000000);
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100598}
599
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100600static void __init mx31moboard_reserve(void)
601{
602 /* reserve 4 MiB for mx3-camera */
Russell King716a3dc2012-01-13 15:00:51 +0000603 mx3_camera_base = arm_memblock_steal(MX3_CAMERA_BUF_SIZE,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100604 MX3_CAMERA_BUF_SIZE);
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100605}
606
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100607MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard")
Philippe Rétornaz0fbe6b02012-01-20 18:58:22 +0100608 /* Maintainer: Philippe Retornaz, EPFL Mobots group */
Nicolas Pitredc8f1902011-07-05 22:38:12 -0400609 .atag_offset = 0x100,
Uwe Kleine-König031e9122011-03-03 14:21:53 +0100610 .reserve = mx31moboard_reserve,
Uwe Kleine-König97976e22011-02-07 16:35:20 +0100611 .map_io = mx31_map_io,
612 .init_early = imx31_init_early,
613 .init_irq = mx31_init_irq,
Sascha Hauerffa2ea32011-09-20 14:31:24 +0200614 .handle_irq = imx31_handle_irq,
Stephen Warren6bb27d72012-11-08 12:40:59 -0700615 .init_time = mx31moboard_timer_init,
Uwe Kleine-Könige134fb22011-02-11 10:23:19 +0100616 .init_machine = mx31moboard_init,
Russell King65ea7882011-11-06 17:12:08 +0000617 .restart = mxc_restart,
Valentin Longchamp988d2d42008-11-23 17:35:08 +0100618MACHINE_END