Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 1 | /* |
| 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 Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 13 | */ |
| 14 | |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 15 | #include <linux/delay.h> |
Valentin Longchamp | 04ea3c8 | 2009-11-03 18:09:51 +0100 | [diff] [blame] | 16 | #include <linux/dma-mapping.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 17 | #include <linux/gfp.h> |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 18 | #include <linux/gpio.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 19 | #include <linux/init.h> |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 20 | #include <linux/interrupt.h> |
Valentin Longchamp | 77aa561 | 2009-08-12 11:29:19 +0200 | [diff] [blame] | 21 | #include <linux/leds.h> |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 22 | #include <linux/memory.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 23 | #include <linux/mtd/physmap.h> |
| 24 | #include <linux/mtd/partitions.h> |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 25 | #include <linux/platform_device.h> |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 26 | #include <linux/regulator/machine.h> |
| 27 | #include <linux/mfd/mc13783.h> |
| 28 | #include <linux/spi/spi.h> |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 29 | #include <linux/types.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 30 | |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 31 | #include <linux/usb/otg.h> |
| 32 | #include <linux/usb/ulpi.h> |
| 33 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 34 | #include <asm/mach-types.h> |
| 35 | #include <asm/mach/arch.h> |
| 36 | #include <asm/mach/time.h> |
| 37 | #include <asm/mach/map.h> |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 38 | #include <mach/board-mx31moboard.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 39 | #include <mach/common.h> |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 40 | #include <mach/hardware.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 41 | #include <mach/iomux-mx3.h> |
Valentin Longchamp | 4dd7129 | 2009-11-03 18:09:50 +0100 | [diff] [blame] | 42 | #include <mach/ipu.h> |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 43 | #include <mach/mxc_ehci.h> |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 44 | #include <mach/mx3_camera.h> |
| 45 | #include <mach/spi.h> |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 46 | #include <mach/ulpi.h> |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 47 | |
Uwe Kleine-König | 4a9b8b0 | 2010-06-16 18:03:05 +0200 | [diff] [blame] | 48 | #include "devices-imx31.h" |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 49 | #include "devices.h" |
| 50 | |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 51 | static unsigned int moboard_pins[] = { |
| 52 | /* UART0 */ |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 53 | MX31_PIN_TXD1__TXD1, MX31_PIN_RXD1__RXD1, |
Valentin Longchamp | 421bf82 | 2009-11-03 18:09:47 +0100 | [diff] [blame] | 54 | MX31_PIN_CTS1__GPIO2_7, |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 55 | /* UART4 */ |
| 56 | MX31_PIN_PC_RST__CTS5, MX31_PIN_PC_VS2__RTS5, |
| 57 | MX31_PIN_PC_BVD2__TXD5, MX31_PIN_PC_BVD1__RXD5, |
Valentin Longchamp | 56c7a45 | 2009-04-22 10:55:50 +0200 | [diff] [blame] | 58 | /* I2C0 */ |
| 59 | MX31_PIN_I2C_DAT__I2C1_SDA, MX31_PIN_I2C_CLK__I2C1_SCL, |
| 60 | /* I2C1 */ |
| 61 | MX31_PIN_DCD_DTE1__I2C2_SDA, MX31_PIN_RI_DTE1__I2C2_SCL, |
| 62 | /* SDHC1 */ |
| 63 | MX31_PIN_SD1_DATA3__SD1_DATA3, MX31_PIN_SD1_DATA2__SD1_DATA2, |
| 64 | MX31_PIN_SD1_DATA1__SD1_DATA1, MX31_PIN_SD1_DATA0__SD1_DATA0, |
| 65 | MX31_PIN_SD1_CLK__SD1_CLK, MX31_PIN_SD1_CMD__SD1_CMD, |
| 66 | MX31_PIN_ATA_CS0__GPIO3_26, MX31_PIN_ATA_CS1__GPIO3_27, |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 67 | /* USB reset */ |
| 68 | MX31_PIN_GPIO1_0__GPIO1_0, |
Valentin Longchamp | 88b0564 | 2009-08-10 18:33:12 +0200 | [diff] [blame] | 69 | /* USB OTG */ |
| 70 | MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, |
| 71 | MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, |
| 72 | MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, |
| 73 | MX31_PIN_USBOTG_DATA3__USBOTG_DATA3, |
| 74 | MX31_PIN_USBOTG_DATA4__USBOTG_DATA4, |
| 75 | MX31_PIN_USBOTG_DATA5__USBOTG_DATA5, |
| 76 | MX31_PIN_USBOTG_DATA6__USBOTG_DATA6, |
| 77 | MX31_PIN_USBOTG_DATA7__USBOTG_DATA7, |
| 78 | MX31_PIN_USBOTG_CLK__USBOTG_CLK, MX31_PIN_USBOTG_DIR__USBOTG_DIR, |
| 79 | MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, |
| 80 | MX31_PIN_USB_OC__GPIO1_30, |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 81 | /* USB H2 */ |
| 82 | MX31_PIN_USBH2_DATA0__USBH2_DATA0, |
| 83 | MX31_PIN_USBH2_DATA1__USBH2_DATA1, |
| 84 | MX31_PIN_STXD3__USBH2_DATA2, MX31_PIN_SRXD3__USBH2_DATA3, |
| 85 | MX31_PIN_SCK3__USBH2_DATA4, MX31_PIN_SFS3__USBH2_DATA5, |
| 86 | MX31_PIN_STXD6__USBH2_DATA6, MX31_PIN_SRXD6__USBH2_DATA7, |
| 87 | MX31_PIN_USBH2_CLK__USBH2_CLK, MX31_PIN_USBH2_DIR__USBH2_DIR, |
| 88 | MX31_PIN_USBH2_NXT__USBH2_NXT, MX31_PIN_USBH2_STP__USBH2_STP, |
| 89 | MX31_PIN_SCK6__GPIO1_25, |
Valentin Longchamp | 77aa561 | 2009-08-12 11:29:19 +0200 | [diff] [blame] | 90 | /* LEDs */ |
| 91 | MX31_PIN_SVEN0__GPIO2_0, MX31_PIN_STX0__GPIO2_1, |
| 92 | MX31_PIN_SRX0__GPIO2_2, MX31_PIN_SIMPD0__GPIO2_3, |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 93 | /* SPI1 */ |
| 94 | MX31_PIN_CSPI2_MOSI__MOSI, MX31_PIN_CSPI2_MISO__MISO, |
| 95 | MX31_PIN_CSPI2_SCLK__SCLK, MX31_PIN_CSPI2_SPI_RDY__SPI_RDY, |
| 96 | MX31_PIN_CSPI2_SS0__SS0, MX31_PIN_CSPI2_SS2__SS2, |
| 97 | /* Atlas IRQ */ |
| 98 | MX31_PIN_GPIO1_3__GPIO1_3, |
| 99 | /* SPI2 */ |
| 100 | MX31_PIN_CSPI3_MOSI__MOSI, MX31_PIN_CSPI3_MISO__MISO, |
| 101 | MX31_PIN_CSPI3_SCLK__SCLK, MX31_PIN_CSPI3_SPI_RDY__SPI_RDY, |
| 102 | MX31_PIN_CSPI2_SS1__CSPI3_SS1, |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 103 | }; |
| 104 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 105 | static struct physmap_flash_data mx31moboard_flash_data = { |
| 106 | .width = 2, |
| 107 | }; |
| 108 | |
| 109 | static struct resource mx31moboard_flash_resource = { |
| 110 | .start = 0xa0000000, |
| 111 | .end = 0xa1ffffff, |
| 112 | .flags = IORESOURCE_MEM, |
| 113 | }; |
| 114 | |
| 115 | static struct platform_device mx31moboard_flash = { |
| 116 | .name = "physmap-flash", |
| 117 | .id = 0, |
| 118 | .dev = { |
| 119 | .platform_data = &mx31moboard_flash_data, |
| 120 | }, |
| 121 | .resource = &mx31moboard_flash_resource, |
| 122 | .num_resources = 1, |
| 123 | }; |
| 124 | |
Valentin Longchamp | 421bf82 | 2009-11-03 18:09:47 +0100 | [diff] [blame] | 125 | static int moboard_uart0_init(struct platform_device *pdev) |
| 126 | { |
Uwe Kleine-König | 5109a45 | 2010-06-23 11:57:19 +0200 | [diff] [blame] | 127 | int ret = gpio_request(IOMUX_TO_GPIO(MX31_PIN_CTS1), "uart0-cts-hack"); |
| 128 | if (ret) |
| 129 | return ret; |
| 130 | |
| 131 | ret = gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_CTS1), 0); |
| 132 | if (ret) |
| 133 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); |
| 134 | |
| 135 | return ret; |
| 136 | } |
| 137 | |
| 138 | static void moboard_uart0_exit(struct platform_device *pdev) |
| 139 | { |
| 140 | gpio_free(IOMUX_TO_GPIO(MX31_PIN_CTS1)); |
Valentin Longchamp | 421bf82 | 2009-11-03 18:09:47 +0100 | [diff] [blame] | 141 | } |
| 142 | |
Uwe Kleine-König | 16cf5c4 | 2010-06-23 11:46:16 +0200 | [diff] [blame] | 143 | static const struct imxuart_platform_data uart0_pdata __initconst = { |
Valentin Longchamp | 421bf82 | 2009-11-03 18:09:47 +0100 | [diff] [blame] | 144 | .init = moboard_uart0_init, |
Uwe Kleine-König | 5109a45 | 2010-06-23 11:57:19 +0200 | [diff] [blame] | 145 | .exit = moboard_uart0_exit, |
Valentin Longchamp | 421bf82 | 2009-11-03 18:09:47 +0100 | [diff] [blame] | 146 | }; |
| 147 | |
Uwe Kleine-König | 16cf5c4 | 2010-06-23 11:46:16 +0200 | [diff] [blame] | 148 | static const struct imxuart_platform_data uart4_pdata __initconst = { |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 149 | .flags = IMXUART_HAVE_RTSCTS, |
| 150 | }; |
| 151 | |
Uwe Kleine-König | 4a9b8b0 | 2010-06-16 18:03:05 +0200 | [diff] [blame] | 152 | static const struct imxi2c_platform_data moboard_i2c0_data __initconst = { |
Valentin Longchamp | 4ec6ecc | 2009-04-21 10:24:22 +0200 | [diff] [blame] | 153 | .bitrate = 400000, |
| 154 | }; |
| 155 | |
Uwe Kleine-König | 4a9b8b0 | 2010-06-16 18:03:05 +0200 | [diff] [blame] | 156 | static const struct imxi2c_platform_data moboard_i2c1_data __initconst = { |
Valentin Longchamp | 4ec6ecc | 2009-04-21 10:24:22 +0200 | [diff] [blame] | 157 | .bitrate = 100000, |
| 158 | }; |
| 159 | |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 160 | static int moboard_spi1_cs[] = { |
| 161 | MXC_SPI_CS(0), |
| 162 | MXC_SPI_CS(2), |
| 163 | }; |
| 164 | |
Uwe Kleine-König | 06606ff | 2010-06-22 10:09:14 +0200 | [diff] [blame] | 165 | static const struct spi_imx_master moboard_spi1_pdata __initconst = { |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 166 | .chipselect = moboard_spi1_cs, |
| 167 | .num_chipselect = ARRAY_SIZE(moboard_spi1_cs), |
| 168 | }; |
| 169 | |
| 170 | static struct regulator_consumer_supply sdhc_consumers[] = { |
| 171 | { |
Uwe Kleine-König | 6a697e3 | 2010-11-12 11:10:55 +0100 | [diff] [blame^] | 172 | .dev_name = "mxc-mmc.0", |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 173 | .supply = "sdhc0_vcc", |
| 174 | }, |
| 175 | { |
Uwe Kleine-König | 6a697e3 | 2010-11-12 11:10:55 +0100 | [diff] [blame^] | 176 | .dev_name = "mxc-mmc.1", |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 177 | .supply = "sdhc1_vcc", |
| 178 | }, |
| 179 | }; |
| 180 | |
| 181 | static struct regulator_init_data sdhc_vreg_data = { |
| 182 | .constraints = { |
| 183 | .min_uV = 2700000, |
| 184 | .max_uV = 3000000, |
| 185 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
| 186 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, |
| 187 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
| 188 | REGULATOR_MODE_FAST, |
| 189 | .always_on = 0, |
| 190 | .boot_on = 1, |
| 191 | }, |
| 192 | .num_consumer_supplies = ARRAY_SIZE(sdhc_consumers), |
| 193 | .consumer_supplies = sdhc_consumers, |
| 194 | }; |
| 195 | |
| 196 | static struct regulator_consumer_supply cam_consumers[] = { |
| 197 | { |
| 198 | .dev = &mx3_camera.dev, |
| 199 | .supply = "cam_vcc", |
| 200 | }, |
| 201 | }; |
| 202 | |
| 203 | static struct regulator_init_data cam_vreg_data = { |
| 204 | .constraints = { |
| 205 | .min_uV = 2700000, |
| 206 | .max_uV = 3000000, |
| 207 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | |
| 208 | REGULATOR_CHANGE_MODE | REGULATOR_CHANGE_STATUS, |
| 209 | .valid_modes_mask = REGULATOR_MODE_NORMAL | |
| 210 | REGULATOR_MODE_FAST, |
| 211 | .always_on = 0, |
| 212 | .boot_on = 1, |
| 213 | }, |
| 214 | .num_consumer_supplies = ARRAY_SIZE(cam_consumers), |
| 215 | .consumer_supplies = cam_consumers, |
| 216 | }; |
| 217 | |
| 218 | static struct mc13783_regulator_init_data moboard_regulators[] = { |
| 219 | { |
| 220 | .id = MC13783_REGU_VMMC1, |
| 221 | .init_data = &sdhc_vreg_data, |
| 222 | }, |
| 223 | { |
| 224 | .id = MC13783_REGU_VCAM, |
| 225 | .init_data = &cam_vreg_data, |
| 226 | }, |
| 227 | }; |
| 228 | |
Philippe Rétornaz | a7cca8a | 2010-05-19 09:24:32 +0200 | [diff] [blame] | 229 | static struct mc13783_led_platform_data moboard_led[] = { |
| 230 | { |
| 231 | .id = MC13783_LED_R1, |
| 232 | .name = "coreboard-led-4:red", |
| 233 | .max_current = 2, |
| 234 | }, |
| 235 | { |
| 236 | .id = MC13783_LED_G1, |
| 237 | .name = "coreboard-led-4:green", |
| 238 | .max_current = 2, |
| 239 | }, |
| 240 | { |
| 241 | .id = MC13783_LED_B1, |
| 242 | .name = "coreboard-led-4:blue", |
| 243 | .max_current = 2, |
| 244 | }, |
| 245 | { |
| 246 | .id = MC13783_LED_R2, |
| 247 | .name = "coreboard-led-5:red", |
| 248 | .max_current = 3, |
| 249 | }, |
| 250 | { |
| 251 | .id = MC13783_LED_G2, |
| 252 | .name = "coreboard-led-5:green", |
| 253 | .max_current = 3, |
| 254 | }, |
| 255 | { |
| 256 | .id = MC13783_LED_B2, |
| 257 | .name = "coreboard-led-5:blue", |
| 258 | .max_current = 3, |
| 259 | }, |
| 260 | }; |
| 261 | |
| 262 | static struct mc13783_leds_platform_data moboard_leds = { |
| 263 | .num_leds = ARRAY_SIZE(moboard_led), |
| 264 | .led = moboard_led, |
| 265 | .flags = MC13783_LED_SLEWLIMTC, |
| 266 | .abmode = MC13783_LED_AB_DISABLED, |
| 267 | .tc1_period = MC13783_LED_PERIOD_10MS, |
| 268 | .tc2_period = MC13783_LED_PERIOD_10MS, |
| 269 | }; |
| 270 | |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 271 | static struct mc13783_platform_data moboard_pmic = { |
| 272 | .regulators = moboard_regulators, |
| 273 | .num_regulators = ARRAY_SIZE(moboard_regulators), |
Philippe Rétornaz | a7cca8a | 2010-05-19 09:24:32 +0200 | [diff] [blame] | 274 | .leds = &moboard_leds, |
Robert Schwebel | fedea67 | 2009-12-03 20:30:34 +0100 | [diff] [blame] | 275 | .flags = MC13783_USE_REGULATOR | MC13783_USE_RTC | |
Philippe Rétornaz | a7cca8a | 2010-05-19 09:24:32 +0200 | [diff] [blame] | 276 | MC13783_USE_ADC | MC13783_USE_LED, |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 277 | }; |
| 278 | |
| 279 | static struct spi_board_info moboard_spi_board_info[] __initdata = { |
| 280 | { |
| 281 | .modalias = "mc13783", |
| 282 | .irq = IOMUX_TO_IRQ(MX31_PIN_GPIO1_3), |
| 283 | .max_speed_hz = 300000, |
| 284 | .bus_num = 1, |
| 285 | .chip_select = 0, |
| 286 | .platform_data = &moboard_pmic, |
| 287 | .mode = SPI_CS_HIGH, |
| 288 | }, |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 289 | }; |
| 290 | |
| 291 | static int moboard_spi2_cs[] = { |
| 292 | MXC_SPI_CS(1), |
| 293 | }; |
| 294 | |
Uwe Kleine-König | 06606ff | 2010-06-22 10:09:14 +0200 | [diff] [blame] | 295 | static const struct spi_imx_master moboard_spi2_pdata __initconst = { |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 296 | .chipselect = moboard_spi2_cs, |
| 297 | .num_chipselect = ARRAY_SIZE(moboard_spi2_cs), |
| 298 | }; |
| 299 | |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 300 | #define SDHC1_CD IOMUX_TO_GPIO(MX31_PIN_ATA_CS0) |
| 301 | #define SDHC1_WP IOMUX_TO_GPIO(MX31_PIN_ATA_CS1) |
| 302 | |
| 303 | static int moboard_sdhc1_get_ro(struct device *dev) |
| 304 | { |
Valentin Longchamp | 563abb4 | 2009-08-11 17:29:21 +0200 | [diff] [blame] | 305 | return !gpio_get_value(SDHC1_WP); |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 306 | } |
| 307 | |
| 308 | static int moboard_sdhc1_init(struct device *dev, irq_handler_t detect_irq, |
| 309 | void *data) |
| 310 | { |
Sascha Hauer | 4f163eb | 2009-05-06 12:55:50 +0200 | [diff] [blame] | 311 | int ret; |
| 312 | |
| 313 | ret = gpio_request(SDHC1_CD, "sdhc-detect"); |
| 314 | if (ret) |
| 315 | return ret; |
| 316 | |
| 317 | gpio_direction_input(SDHC1_CD); |
| 318 | |
| 319 | ret = gpio_request(SDHC1_WP, "sdhc-wp"); |
| 320 | if (ret) |
| 321 | goto err_gpio_free; |
| 322 | gpio_direction_input(SDHC1_WP); |
| 323 | |
| 324 | ret = request_irq(gpio_to_irq(SDHC1_CD), detect_irq, |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 325 | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING, |
| 326 | "sdhc1-card-detect", data); |
Sascha Hauer | 4f163eb | 2009-05-06 12:55:50 +0200 | [diff] [blame] | 327 | if (ret) |
| 328 | goto err_gpio_free_2; |
| 329 | |
| 330 | return 0; |
| 331 | |
| 332 | err_gpio_free_2: |
| 333 | gpio_free(SDHC1_WP); |
| 334 | err_gpio_free: |
| 335 | gpio_free(SDHC1_CD); |
| 336 | |
| 337 | return ret; |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 338 | } |
| 339 | |
| 340 | static void moboard_sdhc1_exit(struct device *dev, void *data) |
| 341 | { |
| 342 | free_irq(gpio_to_irq(SDHC1_CD), data); |
Sascha Hauer | 4f163eb | 2009-05-06 12:55:50 +0200 | [diff] [blame] | 343 | gpio_free(SDHC1_WP); |
| 344 | gpio_free(SDHC1_CD); |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 345 | } |
| 346 | |
Uwe Kleine-König | 6a697e3 | 2010-11-12 11:10:55 +0100 | [diff] [blame^] | 347 | static const struct imxmmc_platform_data sdhc1_pdata __initconst = { |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 348 | .get_ro = moboard_sdhc1_get_ro, |
| 349 | .init = moboard_sdhc1_init, |
| 350 | .exit = moboard_sdhc1_exit, |
| 351 | }; |
| 352 | |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 353 | /* |
| 354 | * this pin is dedicated for all mx31moboard systems, so we do it here |
| 355 | */ |
| 356 | #define USB_RESET_B IOMUX_TO_GPIO(MX31_PIN_GPIO1_0) |
Philippe Rétornaz | 2578360 | 2010-05-11 16:57:49 +0200 | [diff] [blame] | 357 | #define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \ |
| 358 | PAD_CTL_ODE_CMOS) |
| 359 | |
| 360 | #define OTG_EN_B IOMUX_TO_GPIO(MX31_PIN_USB_OC) |
| 361 | #define USBH2_EN_B IOMUX_TO_GPIO(MX31_PIN_SCK6) |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 362 | |
| 363 | static void usb_xcvr_reset(void) |
| 364 | { |
Philippe Rétornaz | 2578360 | 2010-05-11 16:57:49 +0200 | [diff] [blame] | 365 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 366 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 367 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 368 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 369 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 370 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 371 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 372 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 373 | mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 374 | mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 375 | mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 376 | mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 377 | |
| 378 | mxc_iomux_set_gpr(MUX_PGP_UH2, true); |
| 379 | mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 380 | mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 381 | mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 382 | mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG | PAD_CTL_100K_PU); |
| 383 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 384 | mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 385 | mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 386 | mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 387 | mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 388 | mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 389 | mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 390 | mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG | PAD_CTL_100K_PD); |
| 391 | |
| 392 | gpio_request(OTG_EN_B, "usb-udc-en"); |
| 393 | gpio_direction_output(OTG_EN_B, 0); |
| 394 | gpio_request(USBH2_EN_B, "usbh2-en"); |
| 395 | gpio_direction_output(USBH2_EN_B, 0); |
| 396 | |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 397 | gpio_request(USB_RESET_B, "usb-reset"); |
| 398 | gpio_direction_output(USB_RESET_B, 0); |
| 399 | mdelay(1); |
| 400 | gpio_set_value(USB_RESET_B, 1); |
Philippe Rétornaz | 2578360 | 2010-05-11 16:57:49 +0200 | [diff] [blame] | 401 | mdelay(1); |
Valentin Longchamp | 88b0564 | 2009-08-10 18:33:12 +0200 | [diff] [blame] | 402 | } |
| 403 | |
Uwe Kleine-König | f9ffaa9 | 2009-12-22 17:31:05 +0100 | [diff] [blame] | 404 | #if defined(CONFIG_USB_ULPI) |
| 405 | |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 406 | static struct mxc_usbh_platform_data usbh2_pdata = { |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 407 | .portsc = MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT, |
| 408 | .flags = MXC_EHCI_POWER_PINS_ENABLED, |
| 409 | }; |
| 410 | |
| 411 | static int __init moboard_usbh2_init(void) |
| 412 | { |
| 413 | usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, |
Igor Grinberg | 13dd0c9 | 2010-07-15 16:00:16 +0300 | [diff] [blame] | 414 | ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT); |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 415 | |
Valentin Longchamp | 4c21186 | 2009-12-04 16:50:29 +0100 | [diff] [blame] | 416 | return mxc_register_device(&mxc_usbh2, &usbh2_pdata); |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 417 | } |
Uwe Kleine-König | f9ffaa9 | 2009-12-22 17:31:05 +0100 | [diff] [blame] | 418 | #else |
| 419 | static inline int moboard_usbh2_init(void) { return 0; } |
| 420 | #endif |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 421 | |
| 422 | |
Valentin Longchamp | 77aa561 | 2009-08-12 11:29:19 +0200 | [diff] [blame] | 423 | static struct gpio_led mx31moboard_leds[] = { |
| 424 | { |
| 425 | .name = "coreboard-led-0:red:running", |
| 426 | .default_trigger = "heartbeat", |
| 427 | .gpio = IOMUX_TO_GPIO(MX31_PIN_SVEN0), |
| 428 | }, { |
| 429 | .name = "coreboard-led-1:red", |
| 430 | .gpio = IOMUX_TO_GPIO(MX31_PIN_STX0), |
| 431 | }, { |
| 432 | .name = "coreboard-led-2:red", |
| 433 | .gpio = IOMUX_TO_GPIO(MX31_PIN_SRX0), |
| 434 | }, { |
| 435 | .name = "coreboard-led-3:red", |
| 436 | .gpio = IOMUX_TO_GPIO(MX31_PIN_SIMPD0), |
| 437 | }, |
| 438 | }; |
| 439 | |
| 440 | static struct gpio_led_platform_data mx31moboard_led_pdata = { |
| 441 | .num_leds = ARRAY_SIZE(mx31moboard_leds), |
| 442 | .leds = mx31moboard_leds, |
| 443 | }; |
| 444 | |
| 445 | static struct platform_device mx31moboard_leds_device = { |
| 446 | .name = "leds-gpio", |
| 447 | .id = -1, |
| 448 | .dev = { |
| 449 | .platform_data = &mx31moboard_led_pdata, |
| 450 | }, |
| 451 | }; |
| 452 | |
Valentin Longchamp | 4dd7129 | 2009-11-03 18:09:50 +0100 | [diff] [blame] | 453 | static struct ipu_platform_data mx3_ipu_data = { |
| 454 | .irq_base = MXC_IPU_IRQ_START, |
| 455 | }; |
| 456 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 457 | static struct platform_device *devices[] __initdata = { |
| 458 | &mx31moboard_flash, |
Valentin Longchamp | 77aa561 | 2009-08-12 11:29:19 +0200 | [diff] [blame] | 459 | &mx31moboard_leds_device, |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 460 | }; |
| 461 | |
Valentin Longchamp | 04ea3c8 | 2009-11-03 18:09:51 +0100 | [diff] [blame] | 462 | static struct mx3_camera_pdata camera_pdata = { |
| 463 | .dma_dev = &mx3_ipu.dev, |
| 464 | .flags = MX3_CAMERA_DATAWIDTH_8 | MX3_CAMERA_DATAWIDTH_10, |
| 465 | .mclk_10khz = 4800, |
| 466 | }; |
| 467 | |
| 468 | #define CAMERA_BUF_SIZE (4*1024*1024) |
| 469 | |
| 470 | static int __init mx31moboard_cam_alloc_dma(const size_t buf_size) |
| 471 | { |
| 472 | dma_addr_t dma_handle; |
| 473 | void *buf; |
| 474 | int dma; |
| 475 | |
| 476 | if (buf_size < 2 * 1024 * 1024) |
| 477 | return -EINVAL; |
| 478 | |
| 479 | buf = dma_alloc_coherent(NULL, buf_size, &dma_handle, GFP_KERNEL); |
| 480 | if (!buf) { |
| 481 | pr_err("%s: cannot allocate camera buffer-memory\n", __func__); |
| 482 | return -ENOMEM; |
| 483 | } |
| 484 | |
| 485 | memset(buf, 0, buf_size); |
| 486 | |
| 487 | dma = dma_declare_coherent_memory(&mx3_camera.dev, |
| 488 | dma_handle, dma_handle, buf_size, |
| 489 | DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE); |
| 490 | |
| 491 | /* The way we call dma_declare_coherent_memory only a malloc can fail */ |
| 492 | return dma & DMA_MEMORY_MAP ? 0 : -ENOMEM; |
| 493 | } |
| 494 | |
Valentin Longchamp | e00f0b4 | 2009-02-16 12:47:51 +0100 | [diff] [blame] | 495 | static int mx31moboard_baseboard; |
| 496 | core_param(mx31moboard_baseboard, mx31moboard_baseboard, int, 0444); |
| 497 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 498 | /* |
| 499 | * Board specific initialization. |
| 500 | */ |
| 501 | static void __init mxc_board_init(void) |
| 502 | { |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 503 | mxc_iomux_setup_multiple_pins(moboard_pins, ARRAY_SIZE(moboard_pins), |
| 504 | "moboard"); |
| 505 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 506 | platform_add_devices(devices, ARRAY_SIZE(devices)); |
| 507 | |
Uwe Kleine-König | 16cf5c4 | 2010-06-23 11:46:16 +0200 | [diff] [blame] | 508 | imx31_add_imx_uart0(&uart0_pdata); |
| 509 | imx31_add_imx_uart4(&uart4_pdata); |
Valentin Longchamp | e00f0b4 | 2009-02-16 12:47:51 +0100 | [diff] [blame] | 510 | |
Uwe Kleine-König | 4a9b8b0 | 2010-06-16 18:03:05 +0200 | [diff] [blame] | 511 | imx31_add_imx_i2c0(&moboard_i2c0_data); |
| 512 | imx31_add_imx_i2c1(&moboard_i2c1_data); |
Valentin Longchamp | 4ec6ecc | 2009-04-21 10:24:22 +0200 | [diff] [blame] | 513 | |
Uwe Kleine-König | 06606ff | 2010-06-22 10:09:14 +0200 | [diff] [blame] | 514 | imx31_add_spi_imx1(&moboard_spi1_pdata); |
| 515 | imx31_add_spi_imx2(&moboard_spi2_pdata); |
Valentin Longchamp | 65da979 | 2009-11-03 18:09:49 +0100 | [diff] [blame] | 516 | |
| 517 | gpio_request(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3), "pmic-irq"); |
| 518 | gpio_direction_input(IOMUX_TO_GPIO(MX31_PIN_GPIO1_3)); |
| 519 | spi_register_board_info(moboard_spi_board_info, |
| 520 | ARRAY_SIZE(moboard_spi_board_info)); |
| 521 | |
Uwe Kleine-König | 6a697e3 | 2010-11-12 11:10:55 +0100 | [diff] [blame^] | 522 | imx31_add_mxc_mmc(0, &sdhc1_pdata); |
Valentin Longchamp | 45b131a | 2009-04-21 10:24:56 +0200 | [diff] [blame] | 523 | |
Valentin Longchamp | 4dd7129 | 2009-11-03 18:09:50 +0100 | [diff] [blame] | 524 | mxc_register_device(&mx3_ipu, &mx3_ipu_data); |
Valentin Longchamp | 04ea3c8 | 2009-11-03 18:09:51 +0100 | [diff] [blame] | 525 | if (!mx31moboard_cam_alloc_dma(CAMERA_BUF_SIZE)) |
| 526 | mxc_register_device(&mx3_camera, &camera_pdata); |
Valentin Longchamp | 4dd7129 | 2009-11-03 18:09:50 +0100 | [diff] [blame] | 527 | |
Valentin Longchamp | b23f153 | 2009-08-10 18:33:11 +0200 | [diff] [blame] | 528 | usb_xcvr_reset(); |
| 529 | |
Valentin Longchamp | d67d107 | 2009-11-23 19:16:37 +0100 | [diff] [blame] | 530 | moboard_usbh2_init(); |
Valentin Longchamp | 88b0564 | 2009-08-10 18:33:12 +0200 | [diff] [blame] | 531 | |
Valentin Longchamp | e00f0b4 | 2009-02-16 12:47:51 +0100 | [diff] [blame] | 532 | switch (mx31moboard_baseboard) { |
| 533 | case MX31NOBOARD: |
| 534 | break; |
| 535 | case MX31DEVBOARD: |
| 536 | mx31moboard_devboard_init(); |
| 537 | break; |
| 538 | case MX31MARXBOT: |
| 539 | mx31moboard_marxbot_init(); |
| 540 | break; |
Valentin Longchamp | e335c75 | 2010-02-09 18:13:36 +0100 | [diff] [blame] | 541 | case MX31SMARTBOT: |
Philippe Rétornaz | 3a47b1a | 2010-05-11 16:57:51 +0200 | [diff] [blame] | 542 | case MX31EYEBOT: |
| 543 | mx31moboard_smartbot_init(mx31moboard_baseboard); |
Valentin Longchamp | e335c75 | 2010-02-09 18:13:36 +0100 | [diff] [blame] | 544 | break; |
Valentin Longchamp | e00f0b4 | 2009-02-16 12:47:51 +0100 | [diff] [blame] | 545 | default: |
Valentin Longchamp | 220bbce | 2009-04-17 15:20:25 +0200 | [diff] [blame] | 546 | printk(KERN_ERR "Illegal mx31moboard_baseboard type %d\n", |
| 547 | mx31moboard_baseboard); |
Valentin Longchamp | e00f0b4 | 2009-02-16 12:47:51 +0100 | [diff] [blame] | 548 | } |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 549 | } |
| 550 | |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 551 | static void __init mx31moboard_timer_init(void) |
| 552 | { |
Sascha Hauer | 30c730f | 2009-02-16 14:36:49 +0100 | [diff] [blame] | 553 | mx31_clocks_init(26000000); |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 554 | } |
| 555 | |
| 556 | struct sys_timer mx31moboard_timer = { |
| 557 | .init = mx31moboard_timer_init, |
| 558 | }; |
| 559 | |
| 560 | MACHINE_START(MX31MOBOARD, "EPFL Mobots mx31moboard") |
| 561 | /* Maintainer: Valentin Longchamp, EPFL Mobots group */ |
Uwe Kleine-König | 3410123 | 2010-01-29 17:36:05 +0100 | [diff] [blame] | 562 | .boot_params = MX3x_PHYS_OFFSET + 0x100, |
Sascha Hauer | cd4a05f | 2009-04-02 22:32:10 +0200 | [diff] [blame] | 563 | .map_io = mx31_map_io, |
Sascha Hauer | c5aa0ad | 2009-05-25 17:36:19 +0200 | [diff] [blame] | 564 | .init_irq = mx31_init_irq, |
Valentin Longchamp | 988d2d4 | 2008-11-23 17:35:08 +0100 | [diff] [blame] | 565 | .init_machine = mxc_board_init, |
| 566 | .timer = &mx31moboard_timer, |
| 567 | MACHINE_END |
| 568 | |