2 * linux/arch/arm/mach-omap2/board-omap3beagle.c
4 * Copyright (C) 2008 Texas Instruments
6 * Modified from mach-omap2/board-3430sdp.c
8 * Initial code: Syed Mohammed Khasim
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.
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>
22 #include <linux/leds.h>
23 #include <linux/gpio.h>
24 #include <linux/input.h>
25 #include <linux/gpio_keys.h>
26 #include <linux/opp.h>
27 #include <linux/cpu.h>
29 #include <linux/mtd/mtd.h>
30 #include <linux/mtd/partitions.h>
31 #include <linux/mtd/nand.h>
32 #include <linux/mmc/host.h>
33 #include <linux/usb/phy.h>
35 #include <linux/regulator/machine.h>
36 #include <linux/i2c/twl.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
41 #include <asm/mach/flash.h>
43 #include <video/omapdss.h>
44 #include <video/omap-panel-tfp410.h>
45 #include <linux/platform_data/mtd-nand-omap2.h>
48 #include "omap_device.h"
54 #include "board-flash.h"
55 #include "common-board-devices.h"
60 * OMAP3 Beagle revision
61 * Run time detection of Beagle revision is done by reading GPIO.
63 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
64 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
65 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
66 * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
67 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
70 OMAP3BEAGLE_BOARD_UNKN = 0,
71 OMAP3BEAGLE_BOARD_AXBX,
72 OMAP3BEAGLE_BOARD_C1_3,
75 OMAP3BEAGLE_BOARD_XMC,
78 static u8 omap3_beagle_version;
81 * Board-specific configuration
82 * Defaults to BeagleBoard-xMC
91 .mmc1_gpio_wp = -EINVAL,
92 .usb_pwr_level = GPIOF_OUT_INIT_LOW,
93 .dvi_pd_gpio = -EINVAL,
95 .mmc_caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
98 static struct gpio omap3_beagle_rev_gpios[] __initdata = {
99 { 171, GPIOF_IN, "rev_id_0" },
100 { 172, GPIOF_IN, "rev_id_1" },
101 { 173, GPIOF_IN, "rev_id_2" },
104 static void __init omap3_beagle_init_rev(void)
109 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP);
110 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP);
111 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP);
113 ret = gpio_request_array(omap3_beagle_rev_gpios,
114 ARRAY_SIZE(omap3_beagle_rev_gpios));
116 printk(KERN_ERR "Unable to get revision detection GPIO pins\n");
117 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
121 beagle_rev = gpio_get_value(171) | (gpio_get_value(172) << 1)
122 | (gpio_get_value(173) << 2);
124 gpio_free_array(omap3_beagle_rev_gpios,
125 ARRAY_SIZE(omap3_beagle_rev_gpios));
127 switch (beagle_rev) {
129 printk(KERN_INFO "OMAP3 Beagle Rev: Ax/Bx\n");
130 omap3_beagle_version = OMAP3BEAGLE_BOARD_AXBX;
131 beagle_config.mmc1_gpio_wp = 29;
132 beagle_config.dvi_pd_gpio = 170;
133 beagle_config.usr_button_gpio = 7;
136 printk(KERN_INFO "OMAP3 Beagle Rev: C1/C2/C3\n");
137 omap3_beagle_version = OMAP3BEAGLE_BOARD_C1_3;
138 beagle_config.mmc1_gpio_wp = 23;
139 beagle_config.dvi_pd_gpio = 170;
140 beagle_config.usr_button_gpio = 7;
143 printk(KERN_INFO "OMAP3 Beagle Rev: C4\n");
144 omap3_beagle_version = OMAP3BEAGLE_BOARD_C4;
145 beagle_config.mmc1_gpio_wp = 23;
146 beagle_config.dvi_pd_gpio = 170;
147 beagle_config.usr_button_gpio = 7;
150 printk(KERN_INFO "OMAP3 Beagle Rev: xM Ax/Bx\n");
151 omap3_beagle_version = OMAP3BEAGLE_BOARD_XM;
152 beagle_config.usb_pwr_level = GPIOF_OUT_INIT_HIGH;
153 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
156 printk(KERN_INFO "OMAP3 Beagle Rev: xM C\n");
157 omap3_beagle_version = OMAP3BEAGLE_BOARD_XMC;
158 beagle_config.mmc_caps &= ~MMC_CAP_8_BIT_DATA;
161 printk(KERN_INFO "OMAP3 Beagle Rev: unknown %hd\n", beagle_rev);
162 omap3_beagle_version = OMAP3BEAGLE_BOARD_UNKN;
166 static struct mtd_partition omap3beagle_nand_partitions[] = {
167 /* All the partition sizes are listed in terms of NAND block size */
171 .size = 4 * NAND_BLOCK_SIZE,
172 .mask_flags = MTD_WRITEABLE, /* force read-only */
176 .offset = MTDPART_OFS_APPEND, /* Offset = 0x80000 */
177 .size = 15 * NAND_BLOCK_SIZE,
178 .mask_flags = MTD_WRITEABLE, /* force read-only */
181 .name = "U-Boot Env",
182 .offset = MTDPART_OFS_APPEND, /* Offset = 0x260000 */
183 .size = 1 * NAND_BLOCK_SIZE,
187 .offset = MTDPART_OFS_APPEND, /* Offset = 0x280000 */
188 .size = 32 * NAND_BLOCK_SIZE,
191 .name = "File System",
192 .offset = MTDPART_OFS_APPEND, /* Offset = 0x680000 */
193 .size = MTDPART_SIZ_FULL,
199 static struct tfp410_platform_data dvi_panel = {
201 .power_down_gpio = -1,
204 static struct omap_dss_device beagle_dvi_device = {
205 .type = OMAP_DISPLAY_TYPE_DPI,
207 .driver_name = "tfp410",
209 .phy.dpi.data_lines = 24,
212 static struct omap_dss_device beagle_tv_device = {
214 .driver_name = "venc",
215 .type = OMAP_DISPLAY_TYPE_VENC,
216 .phy.venc.type = OMAP_DSS_VENC_TYPE_SVIDEO,
219 static struct omap_dss_device *beagle_dss_devices[] = {
224 static struct omap_dss_board_info beagle_dss_data = {
225 .num_devices = ARRAY_SIZE(beagle_dss_devices),
226 .devices = beagle_dss_devices,
227 .default_device = &beagle_dvi_device,
230 #include "sdram-micron-mt46h32m32lf-6.h"
232 static struct omap2_hsmmc_info mmc[] = {
235 .caps = MMC_CAP_4_BIT_DATA,
242 static struct regulator_consumer_supply beagle_vmmc1_supply[] = {
243 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
246 static struct regulator_consumer_supply beagle_vsim_supply[] = {
247 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
250 static struct gpio_led gpio_leds[];
252 static int beagle_twl_gpio_setup(struct device *dev,
253 unsigned gpio, unsigned ngpio)
257 mmc[0].gpio_wp = beagle_config.mmc1_gpio_wp;
258 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
259 mmc[0].gpio_cd = gpio + 0;
260 omap_hsmmc_late_init(mmc);
263 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
264 * high / others active low)
265 * DVI reset GPIO is different between beagle revisions
267 /* Valid for all -xM revisions */
268 if (cpu_is_omap3630()) {
270 * gpio + 1 on Xm controls the TFP410's enable line (active low)
271 * gpio + 2 control varies depending on the board rev as below:
272 * P7/P8 revisions(prototype): Camera EN
273 * A2+ revisions (production): LDO (DVI, serial, led blocks)
275 r = gpio_request_one(gpio + 1, GPIOF_OUT_INIT_LOW,
278 pr_err("%s: unable to configure nDVI_PWR_EN\n",
281 beagle_config.dvi_pd_gpio = gpio + 2;
285 * REVISIT: need ehci-omap hooks for external VBUS
286 * power switch and overcurrent detect
288 if (gpio_request_one(gpio + 1, GPIOF_IN, "EHCI_nOC"))
289 pr_err("%s: unable to configure EHCI_nOC\n", __func__);
291 dvi_panel.power_down_gpio = beagle_config.dvi_pd_gpio;
293 gpio_request_one(gpio + TWL4030_GPIO_MAX, beagle_config.usb_pwr_level,
296 /* TWL4030_GPIO_MAX + 1 == ledB, PMU_STAT (out, active low LED) */
297 gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
302 static struct twl4030_gpio_platform_data beagle_gpio_data = {
305 .pulldowns = BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
306 | BIT(15) | BIT(16) | BIT(17),
307 .setup = beagle_twl_gpio_setup,
310 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
311 static struct regulator_init_data beagle_vmmc1 = {
315 .valid_modes_mask = REGULATOR_MODE_NORMAL
316 | REGULATOR_MODE_STANDBY,
317 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
318 | REGULATOR_CHANGE_MODE
319 | REGULATOR_CHANGE_STATUS,
321 .num_consumer_supplies = ARRAY_SIZE(beagle_vmmc1_supply),
322 .consumer_supplies = beagle_vmmc1_supply,
325 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
326 static struct regulator_init_data beagle_vsim = {
330 .valid_modes_mask = REGULATOR_MODE_NORMAL
331 | REGULATOR_MODE_STANDBY,
332 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE
333 | REGULATOR_CHANGE_MODE
334 | REGULATOR_CHANGE_STATUS,
336 .num_consumer_supplies = ARRAY_SIZE(beagle_vsim_supply),
337 .consumer_supplies = beagle_vsim_supply,
340 static struct twl4030_platform_data beagle_twldata = {
341 /* platform_data for children goes here */
342 .gpio = &beagle_gpio_data,
343 .vmmc1 = &beagle_vmmc1,
344 .vsim = &beagle_vsim,
347 static struct i2c_board_info __initdata beagle_i2c_eeprom[] = {
349 I2C_BOARD_INFO("eeprom", 0x50),
353 static int __init omap3_beagle_i2c_init(void)
355 omap3_pmic_get_config(&beagle_twldata,
356 TWL_COMMON_PDATA_USB | TWL_COMMON_PDATA_MADC |
357 TWL_COMMON_PDATA_AUDIO,
358 TWL_COMMON_REGULATOR_VDAC | TWL_COMMON_REGULATOR_VPLL2);
360 beagle_twldata.vpll2->constraints.name = "VDVI";
362 omap3_pmic_init("twl4030", &beagle_twldata);
363 /* Bus 3 is attached to the DVI port where devices like the pico DLP
364 * projector don't work reliably with 400kHz */
365 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom, ARRAY_SIZE(beagle_i2c_eeprom));
369 static struct gpio_led gpio_leds[] = {
371 .name = "beagleboard::usr0",
372 .default_trigger = "heartbeat",
376 .name = "beagleboard::usr1",
377 .default_trigger = "mmc0",
381 .name = "beagleboard::pmu_stat",
382 .gpio = -EINVAL, /* gets replaced */
387 static struct gpio_led_platform_data gpio_led_info = {
389 .num_leds = ARRAY_SIZE(gpio_leds),
392 static struct platform_device leds_gpio = {
396 .platform_data = &gpio_led_info,
400 static struct gpio_keys_button gpio_buttons[] = {
403 /* Dynamically assigned depending on board */
410 static struct gpio_keys_platform_data gpio_key_info = {
411 .buttons = gpio_buttons,
412 .nbuttons = ARRAY_SIZE(gpio_buttons),
415 static struct platform_device keys_gpio = {
419 .platform_data = &gpio_key_info,
423 static struct platform_device madc_hwmon = {
424 .name = "twl4030_madc_hwmon",
428 static struct platform_device *omap3_beagle_devices[] __initdata = {
434 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
436 .port_mode[0] = OMAP_USBHS_PORT_MODE_UNUSED,
437 .port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
438 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
441 .reset_gpio_port[0] = -EINVAL,
442 .reset_gpio_port[1] = 147,
443 .reset_gpio_port[2] = -EINVAL
446 #ifdef CONFIG_OMAP_MUX
447 static struct omap_board_mux board_mux[] __initdata = {
448 { .reg_offset = OMAP_MUX_TERMINATOR },
452 static int __init beagle_opp_init(void)
456 if (!machine_is_omap3_beagle())
459 /* Initialize the omap3 opp table if not already created. */
460 r = omap3_opp_init();
461 if (IS_ERR_VALUE(r) && (r != -EEXIST)) {
462 pr_err("%s: opp default init failed\n", __func__);
466 /* Custom OPP enabled for all xM versions */
467 if (cpu_is_omap3630()) {
468 struct device *mpu_dev, *iva_dev;
470 mpu_dev = get_cpu_device(0);
471 iva_dev = omap_device_get_by_hwmod_name("iva");
473 if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
474 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
475 __func__, mpu_dev, iva_dev);
478 /* Enable MPU 1GHz and lower opps */
479 r = opp_enable(mpu_dev, 800000000);
480 /* TODO: MPU 1GHz needs SR and ABB */
482 /* Enable IVA 800MHz and lower opps */
483 r |= opp_enable(iva_dev, 660000000);
484 /* TODO: DSP 800MHz needs SR and ABB */
486 pr_err("%s: failed to enable higher opp %d\n",
489 * Cleanup - disable the higher freqs - we dont care
492 opp_disable(mpu_dev, 800000000);
493 opp_disable(iva_dev, 660000000);
498 omap_device_initcall(beagle_opp_init);
500 static void __init omap3_beagle_init(void)
502 omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
503 omap3_beagle_init_rev();
505 if (gpio_is_valid(beagle_config.mmc1_gpio_wp))
506 omap_mux_init_gpio(beagle_config.mmc1_gpio_wp, OMAP_PIN_INPUT);
507 mmc[0].caps = beagle_config.mmc_caps;
508 omap_hsmmc_init(mmc);
510 omap3_beagle_i2c_init();
512 gpio_buttons[0].gpio = beagle_config.usr_button_gpio;
514 platform_add_devices(omap3_beagle_devices,
515 ARRAY_SIZE(omap3_beagle_devices));
516 if (gpio_is_valid(beagle_config.dvi_pd_gpio))
517 omap_mux_init_gpio(beagle_config.dvi_pd_gpio, OMAP_PIN_OUTPUT);
518 omap_display_init(&beagle_dss_data);
520 omap_sdrc_init(mt46h32m32lf6_sdrc_params,
521 mt46h32m32lf6_sdrc_params);
523 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
525 usbhs_init(&usbhs_bdata);
526 board_nand_init(omap3beagle_nand_partitions,
527 ARRAY_SIZE(omap3beagle_nand_partitions), NAND_CS,
528 NAND_BUSWIDTH_16, NULL);
529 omap_twl4030_audio_init("omap3beagle");
531 /* Ensure msecure is mux'd to be able to set the RTC. */
532 omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH);
534 /* Ensure SDRC pins are mux'd for self-refresh */
535 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
536 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
539 MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
540 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
541 .atag_offset = 0x100,
542 .reserve = omap_reserve,
543 .map_io = omap3_map_io,
544 .init_early = omap3_init_early,
545 .init_irq = omap3_init_irq,
546 .handle_irq = omap3_intc_handle_irq,
547 .init_machine = omap3_beagle_init,
548 .init_late = omap3_init_late,
549 .init_time = omap3_secure_sync32k_timer_init,
550 .restart = omap3xxx_restart,