Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 1 | /* |
| 2 | * linux/arch/arm/mach-omap2/board-omap3beagle.c |
| 3 | * |
| 4 | * Copyright (C) 2008 Texas Instruments |
| 5 | * |
| 6 | * Modified from mach-omap2/board-3430sdp.c |
| 7 | * |
| 8 | * Initial code: Syed Mohammed Khasim |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License version 2 as |
| 12 | * published by the Free Software Foundation. |
| 13 | */ |
| 14 | |
| 15 | #include <linux/kernel.h> |
| 16 | #include <linux/init.h> |
| 17 | #include <linux/platform_device.h> |
| 18 | #include <linux/delay.h> |
| 19 | #include <linux/err.h> |
| 20 | #include <linux/clk.h> |
| 21 | #include <linux/io.h> |
| 22 | #include <linux/leds.h> |
| 23 | #include <linux/gpio.h> |
| 24 | #include <linux/input.h> |
| 25 | #include <linux/gpio_keys.h> |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 26 | #include <linux/opp.h> |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 27 | |
| 28 | #include <linux/mtd/mtd.h> |
| 29 | #include <linux/mtd/partitions.h> |
| 30 | #include <linux/mtd/nand.h> |
Sukumar Ghorai | 3a63833 | 2010-09-15 14:49:23 +0000 | [diff] [blame] | 31 | #include <linux/mmc/host.h> |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 32 | |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 33 | #include <linux/regulator/machine.h> |
Santosh Shilimkar | b07682b | 2009-12-13 20:05:51 +0100 | [diff] [blame] | 34 | #include <linux/i2c/twl.h> |
Tony Lindgren | 145d9c9 | 2009-01-15 13:09:53 +0200 | [diff] [blame] | 35 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 36 | #include <mach/hardware.h> |
| 37 | #include <asm/mach-types.h> |
| 38 | #include <asm/mach/arch.h> |
| 39 | #include <asm/mach/map.h> |
| 40 | #include <asm/mach/flash.h> |
| 41 | |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 42 | #include <plat/board.h> |
Tony Lindgren | 4e65331 | 2011-11-10 22:45:17 +0100 | [diff] [blame] | 43 | #include "common.h" |
Tomi Valkeinen | a0b38cc | 2011-05-11 14:05:07 +0300 | [diff] [blame] | 44 | #include <video/omapdss.h> |
Tomi Valkeinen | 1d7a865 | 2011-09-01 10:13:04 +0300 | [diff] [blame] | 45 | #include <video/omap-panel-dvi.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 46 | #include <plat/gpmc.h> |
| 47 | #include <plat/nand.h> |
Tony Lindgren | ce491cf | 2009-10-20 09:40:47 -0700 | [diff] [blame] | 48 | #include <plat/usb.h> |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 49 | #include <plat/omap_device.h> |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 50 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 51 | #include "mux.h" |
Adrian Hunter | d02a900b | 2010-02-15 10:03:34 -0800 | [diff] [blame] | 52 | #include "hsmmc.h" |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 53 | #include "pm.h" |
Mike Rapoport | fbd8071 | 2011-04-25 01:09:06 +0300 | [diff] [blame] | 54 | #include "common-board-devices.h" |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 55 | |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 56 | /* |
| 57 | * OMAP3 Beagle revision |
| 58 | * Run time detection of Beagle revision is done by reading GPIO. |
| 59 | * GPIO ID - |
| 60 | * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1 |
| 61 | * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0 |
| 62 | * C4 = GPIO173, GPIO172, GPIO171: 1 0 1 |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 63 | * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0 |
| 64 | * XMC = GPIO173, GPIO172, GPIO171: 0 1 0 |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 65 | */ |
| 66 | enum { |
| 67 | OMAP3BEAGLE_BOARD_UNKN = 0, |
| 68 | OMAP3BEAGLE_BOARD_AXBX, |
| 69 | OMAP3BEAGLE_BOARD_C1_3, |
| 70 | OMAP3BEAGLE_BOARD_C4, |
| 71 | OMAP3BEAGLE_BOARD_XM, |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 72 | OMAP3BEAGLE_BOARD_XMC, |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 73 | }; |
| 74 | |
| 75 | static u8 omap3_beagle_version; |
| 76 | |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 77 | /* |
| 78 | * Board-specific configuration |
| 79 | * Defaults to BeagleBoard-xMC |
| 80 | */ |
| 81 | static struct { |
| 82 | int mmc1_gpio_wp; |
| 83 | int usb_pwr_level; |
| 84 | int reset_gpio; |
| 85 | int usr_button_gpio; |
| 86 | } beagle_config = { |
| 87 | .mmc1_gpio_wp = -EINVAL, |
| 88 | .usb_pwr_level = GPIOF_OUT_INIT_LOW, |
| 89 | .reset_gpio = 129, |
| 90 | .usr_button_gpio = 4, |
| 91 | }; |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 92 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 93 | static struct gpio omap3_beagle_rev_gpios[] __initdata = { |
| 94 | { 171, GPIOF_IN, "rev_id_0" }, |
| 95 | { 172, GPIOF_IN, "rev_id_1" }, |
| 96 | { 173, GPIOF_IN, "rev_id_2" }, |
| 97 | }; |
| 98 | |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 99 | static void __init omap3_beagle_init_rev(void) |
| 100 | { |
| 101 | int ret; |
| 102 | u16 beagle_rev = 0; |
| 103 | |
| 104 | omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP); |
| 105 | omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP); |
| 106 | omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP); |
| 107 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 108 | ret = gpio_request_array(omap3_beagle_rev_gpios, |
| 109 | ARRAY_SIZE(omap3_beagle_rev_gpios)); |
| 110 | if (ret < 0) { |
| 111 | printk(KERN_ERR "Unable to get revision detection GPIO pins\n"); |
| 112 | omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN; |
| 113 | return; |
| 114 | } |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 115 | |
| 116 | beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1) |
| 117 | | (gpio_get_value(173) << 2); |
| 118 | |
Tasslehoff Kjappfot | 5e2ffc3 | 2011-05-31 04:58:56 -0700 | [diff] [blame] | 119 | gpio_free_array(omap3_beagle_rev_gpios, |
| 120 | ARRAY_SIZE(omap3_beagle_rev_gpios)); |
| 121 | |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 122 | switch (beagle_rev) { |
| 123 | case 7: |
| 124 | printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n"); |
| 125 | omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX; |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 126 | beagle_config.mmc1_gpio_wp = 29; |
| 127 | beagle_config.reset_gpio = 170; |
| 128 | beagle_config.usr_button_gpio = 7; |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 129 | break; |
| 130 | case 6: |
| 131 | printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n"); |
| 132 | omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3; |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 133 | beagle_config.mmc1_gpio_wp = 23; |
| 134 | beagle_config.reset_gpio = 170; |
| 135 | beagle_config.usr_button_gpio = 7; |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 136 | break; |
| 137 | case 5: |
| 138 | printk(KERN_INFO "OMAP3 Beagle Rev: C4\n"); |
| 139 | omap3_beagle_version = OMAP3BEAGLE_BOARD_C4; |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 140 | beagle_config.mmc1_gpio_wp = 23; |
| 141 | beagle_config.reset_gpio = 170; |
| 142 | beagle_config.usr_button_gpio = 7; |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 143 | break; |
| 144 | case 0: |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 145 | printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n"); |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 146 | omap3_beagle_version = OMAP3BEAGLE_BOARD_XM; |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 147 | beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH; |
| 148 | break; |
| 149 | case 2: |
| 150 | printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n"); |
| 151 | omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC; |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 152 | break; |
| 153 | default: |
| 154 | printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev); |
| 155 | omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN; |
| 156 | } |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 157 | } |
| 158 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 159 | static struct mtd_partition omap3beagle_nand_partitions[] = { |
| 160 | /* All the partition sizes are listed in terms of NAND block size */ |
| 161 | { |
| 162 | .name = "X-Loader", |
| 163 | .offset = 0, |
| 164 | .size = 4 * NAND_BLOCK_SIZE, |
| 165 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 166 | }, |
| 167 | { |
| 168 | .name = "U-Boot", |
| 169 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */ |
| 170 | .size = 15 * NAND_BLOCK_SIZE, |
| 171 | .mask_flags = MTD_WRITEABLE, /* force read-only */ |
| 172 | }, |
| 173 | { |
| 174 | .name = "U-Boot Env", |
| 175 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */ |
| 176 | .size = 1 * NAND_BLOCK_SIZE, |
| 177 | }, |
| 178 | { |
| 179 | .name = "Kernel", |
| 180 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */ |
| 181 | .size = 32 * NAND_BLOCK_SIZE, |
| 182 | }, |
| 183 | { |
| 184 | .name = "File System", |
| 185 | .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */ |
| 186 | .size = MTDPART_SIZ_FULL, |
| 187 | }, |
| 188 | }; |
| 189 | |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 190 | /* DSS */ |
| 191 | |
| 192 | static int beagle_enable_dvi(struct omap_dss_device *dssdev) |
| 193 | { |
| 194 | if (gpio_is_valid(dssdev->reset_gpio)) |
| 195 | gpio_set_value(dssdev->reset_gpio, 1); |
| 196 | |
| 197 | return 0; |
| 198 | } |
| 199 | |
| 200 | static void beagle_disable_dvi(struct omap_dss_device *dssdev) |
| 201 | { |
| 202 | if (gpio_is_valid(dssdev->reset_gpio)) |
| 203 | gpio_set_value(dssdev->reset_gpio, 0); |
| 204 | } |
| 205 | |
Tomi Valkeinen | 1d7a865 | 2011-09-01 10:13:04 +0300 | [diff] [blame] | 206 | static struct panel_dvi_platform_data dvi_panel = { |
Bryan Wu | 89747c9 | 2010-11-17 13:34:34 +0000 | [diff] [blame] | 207 | .platform_enable = beagle_enable_dvi, |
| 208 | .platform_disable = beagle_disable_dvi, |
Tomi Valkeinen | fcca719 | 2011-08-29 17:48:19 +0300 | [diff] [blame] | 209 | .i2c_bus_num = 3, |
Bryan Wu | 89747c9 | 2010-11-17 13:34:34 +0000 | [diff] [blame] | 210 | }; |
| 211 | |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 212 | static struct omap_dss_device beagle_dvi_device = { |
| 213 | .type = OMAP_DISPLAY_TYPE_DPI, |
| 214 | .name = "dvi", |
Tomi Valkeinen | 1d7a865 | 2011-09-01 10:13:04 +0300 | [diff] [blame] | 215 | .driver_name = "dvi", |
Bryan Wu | 89747c9 | 2010-11-17 13:34:34 +0000 | [diff] [blame] | 216 | .data = &dvi_panel, |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 217 | .phy.dpi.data_lines = 24, |
Koen Kooi | f8362d2 | 2011-01-11 17:13:36 +0000 | [diff] [blame] | 218 | .reset_gpio = -EINVAL, |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 219 | }; |
| 220 | |
| 221 | static struct omap_dss_device beagle_tv_device = { |
| 222 | .name = "tv", |
| 223 | .driver_name = "venc", |
| 224 | .type = OMAP_DISPLAY_TYPE_VENC, |
| 225 | .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO, |
| 226 | }; |
| 227 | |
| 228 | static struct omap_dss_device *beagle_dss_devices[] = { |
| 229 | &beagle_dvi_device, |
| 230 | &beagle_tv_device, |
| 231 | }; |
| 232 | |
| 233 | static struct omap_dss_board_info beagle_dss_data = { |
| 234 | .num_devices = ARRAY_SIZE(beagle_dss_devices), |
| 235 | .devices = beagle_dss_devices, |
| 236 | .default_device = &beagle_dvi_device, |
| 237 | }; |
| 238 | |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 239 | static void __init beagle_display_init(void) |
| 240 | { |
| 241 | int r; |
| 242 | |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 243 | r = gpio_request_one(beagle_dvi_device.reset_gpio, GPIOF_OUT_INIT_LOW, |
| 244 | "DVI reset"); |
| 245 | if (r < 0) |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 246 | printk(KERN_ERR "Unable to get DVI reset GPIO\n"); |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 247 | } |
| 248 | |
Paul Walmsley | 2e12bd7 | 2009-05-28 14:03:59 -0700 | [diff] [blame] | 249 | #include "sdram-micron-mt46h32m32lf-6.h" |
| 250 | |
Adrian Hunter | 68ff042 | 2010-02-15 10:03:34 -0800 | [diff] [blame] | 251 | static struct omap2_hsmmc_info mmc[] = { |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 252 | { |
| 253 | .mmc = 1, |
Sukumar Ghorai | 3a63833 | 2010-09-15 14:49:23 +0000 | [diff] [blame] | 254 | .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA, |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 255 | .gpio_wp = -EINVAL, |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 256 | }, |
| 257 | {} /* Terminator */ |
| 258 | }; |
| 259 | |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 260 | static struct regulator_consumer_supply beagle_vmmc1_supply[] = { |
| 261 | REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"), |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 262 | }; |
| 263 | |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 264 | static struct regulator_consumer_supply beagle_vsim_supply[] = { |
| 265 | REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"), |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 266 | }; |
| 267 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 268 | static struct gpio_led gpio_leds[]; |
| 269 | |
| 270 | static int beagle_twl_gpio_setup(struct device *dev, |
| 271 | unsigned gpio, unsigned ngpio) |
| 272 | { |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 273 | int r; |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 274 | |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 275 | if (beagle_config.mmc1_gpio_wp != -EINVAL) |
| 276 | omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT); |
| 277 | mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp; |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 278 | /* gpio + 0 is "mmc0_cd" (input/IRQ) */ |
Tony Lindgren | 145d9c9 | 2009-01-15 13:09:53 +0200 | [diff] [blame] | 279 | mmc[0].gpio_cd = gpio + 0; |
Adrian Hunter | 68ff042 | 2010-02-15 10:03:34 -0800 | [diff] [blame] | 280 | omap2_hsmmc_init(mmc); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 281 | |
Koen Kooi | 68fc3e1 | 2011-01-11 17:13:35 +0000 | [diff] [blame] | 282 | /* |
| 283 | * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active |
| 284 | * high / others active low) |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 285 | * DVI reset GPIO is different between beagle revisions |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 286 | */ |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 287 | /* Valid for all -xM revisions */ |
| 288 | if (cpu_is_omap3630()) { |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 289 | /* |
| 290 | * gpio + 1 on Xm controls the TFP410's enable line (active low) |
| 291 | * gpio + 2 control varies depending on the board rev as below: |
| 292 | * P7/P8 revisions(prototype): Camera EN |
| 293 | * A2+ revisions (production): LDO (DVI, serial, led blocks) |
| 294 | */ |
| 295 | r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW, |
| 296 | "nDVI_PWR_EN"); |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 297 | if (r) |
| 298 | pr_err("%s: unable to configure nDVI_PWR_EN\n", |
| 299 | __func__); |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 300 | r = gpio_request_one(gpio + 2, GPIOF_OUT_INIT_HIGH, |
| 301 | "DVI_LDO_EN"); |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 302 | if (r) |
| 303 | pr_err("%s: unable to configure DVI_LDO_EN\n", |
| 304 | __func__); |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 305 | } else { |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 306 | /* |
| 307 | * REVISIT: need ehci-omap hooks for external VBUS |
| 308 | * power switch and overcurrent detect |
| 309 | */ |
| 310 | if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC")) |
| 311 | pr_err("%s: unable to configure EHCI_nOC\n", __func__); |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 312 | } |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 313 | beagle_dvi_device.reset_gpio = beagle_config.reset_gpio; |
Koen Kooi | 1bd9ef1 | 2011-01-12 00:23:29 +0000 | [diff] [blame] | 314 | |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 315 | gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level, |
| 316 | "nEN_USB_PWR"); |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 317 | |
| 318 | /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */ |
| 319 | gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1; |
| 320 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 321 | return 0; |
| 322 | } |
| 323 | |
| 324 | static struct twl4030_gpio_platform_data beagle_gpio_data = { |
| 325 | .gpio_base = OMAP_MAX_GPIO_LINES, |
| 326 | .irq_base = TWL4030_GPIO_IRQ_BASE, |
| 327 | .irq_end = TWL4030_GPIO_IRQ_END, |
| 328 | .use_leds = true, |
| 329 | .pullups = BIT(1), |
| 330 | .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13) |
| 331 | | BIT(15) | BIT(16) | BIT(17), |
| 332 | .setup = beagle_twl_gpio_setup, |
| 333 | }; |
| 334 | |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 335 | /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */ |
| 336 | static struct regulator_init_data beagle_vmmc1 = { |
| 337 | .constraints = { |
| 338 | .min_uV = 1850000, |
| 339 | .max_uV = 3150000, |
| 340 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 341 | | REGULATOR_MODE_STANDBY, |
| 342 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 343 | | REGULATOR_CHANGE_MODE |
| 344 | | REGULATOR_CHANGE_STATUS, |
| 345 | }, |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 346 | .num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply), |
| 347 | .consumer_supplies = beagle_vmmc1_supply, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 348 | }; |
| 349 | |
| 350 | /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */ |
| 351 | static struct regulator_init_data beagle_vsim = { |
| 352 | .constraints = { |
| 353 | .min_uV = 1800000, |
| 354 | .max_uV = 3000000, |
| 355 | .valid_modes_mask = REGULATOR_MODE_NORMAL |
| 356 | | REGULATOR_MODE_STANDBY, |
| 357 | .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
| 358 | | REGULATOR_CHANGE_MODE |
| 359 | | REGULATOR_CHANGE_STATUS, |
| 360 | }, |
Oleg Drokin | 786b01a | 2011-06-06 18:57:07 +0000 | [diff] [blame] | 361 | .num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply), |
| 362 | .consumer_supplies = beagle_vsim_supply, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 363 | }; |
| 364 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 365 | static struct twl4030_platform_data beagle_twldata = { |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 366 | /* platform_data for children goes here */ |
| 367 | .gpio = &beagle_gpio_data, |
David Brownell | bb3b9d8 | 2009-05-28 14:04:03 -0700 | [diff] [blame] | 368 | .vmmc1 = &beagle_vmmc1, |
| 369 | .vsim = &beagle_vsim, |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 370 | }; |
| 371 | |
Mathieu J. Poirier | e3333f4 | 2010-09-23 18:22:48 -0700 | [diff] [blame] | 372 | static struct i2c_board_info __initdata beagle_i2c_eeprom[] = { |
| 373 | { |
| 374 | I2C_BOARD_INFO("eeprom", 0x50), |
| 375 | }, |
| 376 | }; |
| 377 | |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 378 | static int __init omap3_beagle_i2c_init(void) |
| 379 | { |
Peter Ujfalusi | 827ed9a | 2011-06-07 10:28:54 +0300 | [diff] [blame] | 380 | omap3_pmic_get_config(&beagle_twldata, |
Kyle Manna | cdcc966 | 2011-08-11 22:33:15 -0500 | [diff] [blame] | 381 | TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC | |
| 382 | TWL_COMMON_PDATA_AUDIO, |
Peter Ujfalusi | b252b0e | 2011-06-07 11:38:24 +0300 | [diff] [blame] | 383 | TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2); |
| 384 | |
| 385 | beagle_twldata.vpll2->constraints.name = "VDVI"; |
| 386 | |
Mike Rapoport | fbd8071 | 2011-04-25 01:09:06 +0300 | [diff] [blame] | 387 | omap3_pmic_init("twl4030", &beagle_twldata); |
Koen Kooi | 8ca7fe2 | 2009-03-04 10:07:42 -0800 | [diff] [blame] | 388 | /* Bus 3 is attached to the DVI port where devices like the pico DLP |
| 389 | * projector don't work reliably with 400kHz */ |
Mathieu J. Poirier | e3333f4 | 2010-09-23 18:22:48 -0700 | [diff] [blame] | 390 | omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom)); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 391 | return 0; |
| 392 | } |
| 393 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 394 | static struct gpio_led gpio_leds[] = { |
| 395 | { |
| 396 | .name = "beagleboard::usr0", |
| 397 | .default_trigger = "heartbeat", |
| 398 | .gpio = 150, |
| 399 | }, |
| 400 | { |
| 401 | .name = "beagleboard::usr1", |
| 402 | .default_trigger = "mmc0", |
| 403 | .gpio = 149, |
| 404 | }, |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 405 | { |
| 406 | .name = "beagleboard::pmu_stat", |
| 407 | .gpio = -EINVAL, /* gets replaced */ |
| 408 | .active_low = true, |
| 409 | }, |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 410 | }; |
| 411 | |
| 412 | static struct gpio_led_platform_data gpio_led_info = { |
| 413 | .leds = gpio_leds, |
| 414 | .num_leds = ARRAY_SIZE(gpio_leds), |
| 415 | }; |
| 416 | |
| 417 | static struct platform_device leds_gpio = { |
| 418 | .name = "leds-gpio", |
| 419 | .id = -1, |
| 420 | .dev = { |
| 421 | .platform_data = &gpio_led_info, |
| 422 | }, |
| 423 | }; |
| 424 | |
| 425 | static struct gpio_keys_button gpio_buttons[] = { |
| 426 | { |
| 427 | .code = BTN_EXTRA, |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 428 | /* Dynamically assigned depending on board */ |
| 429 | .gpio = -EINVAL, |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 430 | .desc = "user", |
| 431 | .wakeup = 1, |
| 432 | }, |
| 433 | }; |
| 434 | |
| 435 | static struct gpio_keys_platform_data gpio_key_info = { |
| 436 | .buttons = gpio_buttons, |
| 437 | .nbuttons = ARRAY_SIZE(gpio_buttons), |
| 438 | }; |
| 439 | |
| 440 | static struct platform_device keys_gpio = { |
| 441 | .name = "gpio-keys", |
| 442 | .id = -1, |
| 443 | .dev = { |
| 444 | .platform_data = &gpio_key_info, |
| 445 | }, |
| 446 | }; |
| 447 | |
Kyle Manna | cdcc966 | 2011-08-11 22:33:15 -0500 | [diff] [blame] | 448 | static struct platform_device madc_hwmon = { |
| 449 | .name = "twl4030_madc_hwmon", |
| 450 | .id = -1, |
| 451 | }; |
| 452 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 453 | static struct platform_device *omap3_beagle_devices[] __initdata = { |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 454 | &leds_gpio, |
| 455 | &keys_gpio, |
Kyle Manna | cdcc966 | 2011-08-11 22:33:15 -0500 | [diff] [blame] | 456 | &madc_hwmon, |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 457 | }; |
| 458 | |
Keshava Munegowda | 181b250 | 2011-03-01 20:08:16 +0530 | [diff] [blame] | 459 | static const struct usbhs_omap_board_data usbhs_bdata __initconst = { |
Felipe Balbi | 58a5491 | 2009-11-22 10:11:01 -0800 | [diff] [blame] | 460 | |
Keshava Munegowda | 181b250 | 2011-03-01 20:08:16 +0530 | [diff] [blame] | 461 | .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY, |
| 462 | .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY, |
| 463 | .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED, |
Felipe Balbi | 58a5491 | 2009-11-22 10:11:01 -0800 | [diff] [blame] | 464 | |
| 465 | .phy_reset = true, |
| 466 | .reset_gpio_port[0] = -EINVAL, |
| 467 | .reset_gpio_port[1] = 147, |
| 468 | .reset_gpio_port[2] = -EINVAL |
| 469 | }; |
| 470 | |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 471 | #ifdef CONFIG_OMAP_MUX |
| 472 | static struct omap_board_mux board_mux[] __initdata = { |
| 473 | { .reg_offset = OMAP_MUX_TERMINATOR }, |
| 474 | }; |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 475 | #endif |
| 476 | |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 477 | static void __init beagle_opp_init(void) |
| 478 | { |
| 479 | int r = 0; |
| 480 | |
| 481 | /* Initialize the omap3 opp table */ |
| 482 | if (omap3_opp_init()) { |
| 483 | pr_err("%s: opp default init failed\n", __func__); |
| 484 | return; |
| 485 | } |
| 486 | |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 487 | /* Custom OPP enabled for all xM versions */ |
| 488 | if (cpu_is_omap3630()) { |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 489 | struct device *mpu_dev, *iva_dev; |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 490 | |
Benoit Cousson | b1621fc | 2011-08-16 14:01:23 +0200 | [diff] [blame] | 491 | mpu_dev = omap_device_get_by_hwmod_name("mpu"); |
| 492 | iva_dev = omap_device_get_by_hwmod_name("iva"); |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 493 | |
| 494 | if (!mpu_dev || !iva_dev) { |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 495 | pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n", |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 496 | __func__, mpu_dev, iva_dev); |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 497 | return; |
| 498 | } |
| 499 | /* Enable MPU 1GHz and lower opps */ |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 500 | r = opp_enable(mpu_dev, 800000000); |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 501 | /* TODO: MPU 1GHz needs SR and ABB */ |
| 502 | |
| 503 | /* Enable IVA 800MHz and lower opps */ |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 504 | r |= opp_enable(iva_dev, 660000000); |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 505 | /* TODO: DSP 800MHz needs SR and ABB */ |
| 506 | if (r) { |
| 507 | pr_err("%s: failed to enable higher opp %d\n", |
| 508 | __func__, r); |
| 509 | /* |
| 510 | * Cleanup - disable the higher freqs - we dont care |
| 511 | * about the results |
| 512 | */ |
Kevin Hilman | 8c7f659 | 2011-07-21 11:43:48 -0700 | [diff] [blame] | 513 | opp_disable(mpu_dev, 800000000); |
| 514 | opp_disable(iva_dev, 660000000); |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 515 | } |
| 516 | } |
| 517 | return; |
| 518 | } |
| 519 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 520 | static void __init omap3_beagle_init(void) |
| 521 | { |
Tony Lindgren | ca5742b | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 522 | omap3_mux_init(board_mux, OMAP_PACKAGE_CBB); |
Robert Nelson | 954bed0 | 2010-09-23 18:22:47 -0700 | [diff] [blame] | 523 | omap3_beagle_init_rev(); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 524 | omap3_beagle_i2c_init(); |
Joel A Fernandes | 5fe8b4c | 2011-07-05 03:38:22 -0700 | [diff] [blame] | 525 | |
| 526 | gpio_buttons[0].gpio = beagle_config.usr_button_gpio; |
| 527 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 528 | platform_add_devices(omap3_beagle_devices, |
| 529 | ARRAY_SIZE(omap3_beagle_devices)); |
Senthilvadivu Guruswamy | d5e1322 | 2011-02-22 11:24:50 +0200 | [diff] [blame] | 530 | omap_display_init(&beagle_dss_data); |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 531 | omap_serial_init(); |
Tony Lindgren | a4ca9db | 2011-08-22 23:57:23 -0700 | [diff] [blame] | 532 | omap_sdrc_init(mt46h32m32lf6_sdrc_params, |
| 533 | mt46h32m32lf6_sdrc_params); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 534 | |
Tony Lindgren | 4896e39 | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 535 | omap_mux_init_gpio(170, OMAP_PIN_INPUT); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 536 | /* REVISIT leave DVI powered down until it's needed ... */ |
Igor Grinberg | bc593f5 | 2011-05-03 18:22:09 +0300 | [diff] [blame] | 537 | gpio_request_one(170, GPIOF_OUT_INIT_HIGH, "DVI_nPD"); |
Tony Lindgren | 90c62bf | 2008-12-10 17:37:17 -0800 | [diff] [blame] | 538 | |
Mike Rapoport | 9e18630 | 2011-04-27 11:56:12 +0300 | [diff] [blame] | 539 | usb_musb_init(NULL); |
Keshava Munegowda | 9e64bb1 | 2011-03-01 20:08:19 +0530 | [diff] [blame] | 540 | usbhs_init(&usbhs_bdata); |
Mike Rapoport | 9a3f39f | 2011-04-25 01:09:07 +0300 | [diff] [blame] | 541 | omap_nand_flash_init(NAND_BUSWIDTH_16, omap3beagle_nand_partitions, |
| 542 | ARRAY_SIZE(omap3beagle_nand_partitions)); |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 543 | |
Alexander Holler | e2a346a | 2011-04-05 15:40:08 +0200 | [diff] [blame] | 544 | /* Ensure msecure is mux'd to be able to set the RTC. */ |
| 545 | omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH); |
| 546 | |
Jean Pihet | 9fb9741 | 2009-07-24 19:43:25 -0600 | [diff] [blame] | 547 | /* Ensure SDRC pins are mux'd for self-refresh */ |
Tony Lindgren | 4896e39 | 2009-12-11 16:16:32 -0800 | [diff] [blame] | 548 | omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT); |
| 549 | omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT); |
Koen Kooi | 044d32f | 2010-04-22 10:23:42 +0200 | [diff] [blame] | 550 | |
| 551 | beagle_display_init(); |
Nishanth Menon | 8743410 | 2011-01-07 09:41:13 -0600 | [diff] [blame] | 552 | beagle_opp_init(); |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 553 | } |
| 554 | |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 555 | MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board") |
| 556 | /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */ |
Nicolas Pitre | 5e52b43 | 2011-07-05 22:38:15 -0400 | [diff] [blame] | 557 | .atag_offset = 0x100, |
Russell King | 71ee7da | 2010-05-23 10:18:16 +0100 | [diff] [blame] | 558 | .reserve = omap_reserve, |
Russell King - ARM Linux | 3dc3bad | 2011-02-14 15:40:20 -0800 | [diff] [blame] | 559 | .map_io = omap3_map_io, |
Tony Lindgren | 7b250af | 2011-10-04 18:26:28 -0700 | [diff] [blame] | 560 | .init_early = omap3_init_early, |
Tony Lindgren | be73246 | 2011-09-26 15:25:22 -0700 | [diff] [blame] | 561 | .init_irq = omap3_init_irq, |
Marc Zyngier | 6b2f55d | 2011-09-06 10:23:45 +0100 | [diff] [blame] | 562 | .handle_irq = omap3_intc_handle_irq, |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 563 | .init_machine = omap3_beagle_init, |
Tony Lindgren | e74984e | 2011-03-29 15:54:48 -0700 | [diff] [blame] | 564 | .timer = &omap3_secure_timer, |
Russell King | baa9588 | 2011-11-05 17:06:28 +0000 | [diff] [blame] | 565 | .restart = omap_prcm_restart, |
Syed Mohammed, Khasim | 2885f00 | 2008-10-09 17:51:42 +0300 | [diff] [blame] | 566 | MACHINE_END |