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/pwm.h>
24 #include <linux/leds_pwm.h>
25 #include <linux/gpio.h>
26 #include <linux/input.h>
27 #include <linux/gpio_keys.h>
28 #include <linux/opp.h>
29 #include <linux/cpu.h>
31 #include <linux/mtd/mtd.h>
32 #include <linux/mtd/partitions.h>
33 #include <linux/mtd/nand.h>
34 #include <linux/mmc/host.h>
35 #include <linux/usb/phy.h>
37 #include <linux/regulator/machine.h>
38 #include <linux/i2c/twl.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/map.h>
43 #include <asm/mach/flash.h>
45 #include <video/omapdss.h>
46 #include <video/omap-panel-tfp410.h>
47 #include <linux/platform_data/mtd-nand-omap2.h>
50 #include "omap_device.h"
56 #include "board-flash.h"
57 #include "common-board-devices.h"
61 static struct pwm_lookup pwm_lookup
[] = {
62 /* LEDB -> PMU_STAT */
63 PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
66 static struct led_pwm pwm_leds
[] = {
68 .name
= "beagleboard::pmu_stat",
69 .max_brightness
= 127,
70 .pwm_period_ns
= 7812500,
74 static struct led_pwm_platform_data pwm_data
= {
75 .num_leds
= ARRAY_SIZE(pwm_leds
),
79 static struct platform_device leds_pwm
= {
83 .platform_data
= &pwm_data
,
88 * OMAP3 Beagle revision
89 * Run time detection of Beagle revision is done by reading GPIO.
91 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
92 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
93 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
94 * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
95 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
98 OMAP3BEAGLE_BOARD_UNKN
= 0,
99 OMAP3BEAGLE_BOARD_AXBX
,
100 OMAP3BEAGLE_BOARD_C1_3
,
101 OMAP3BEAGLE_BOARD_C4
,
102 OMAP3BEAGLE_BOARD_XM
,
103 OMAP3BEAGLE_BOARD_XMC
,
106 static u8 omap3_beagle_version
;
109 * Board-specific configuration
110 * Defaults to BeagleBoard-xMC
119 .mmc1_gpio_wp
= -EINVAL
,
120 .usb_pwr_level
= GPIOF_OUT_INIT_LOW
,
121 .dvi_pd_gpio
= -EINVAL
,
122 .usr_button_gpio
= 4,
123 .mmc_caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
126 static struct gpio omap3_beagle_rev_gpios
[] __initdata
= {
127 { 171, GPIOF_IN
, "rev_id_0" },
128 { 172, GPIOF_IN
, "rev_id_1" },
129 { 173, GPIOF_IN
, "rev_id_2" },
132 static void __init
omap3_beagle_init_rev(void)
137 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP
);
138 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP
);
139 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP
);
141 ret
= gpio_request_array(omap3_beagle_rev_gpios
,
142 ARRAY_SIZE(omap3_beagle_rev_gpios
));
144 printk(KERN_ERR
"Unable to get revision detection GPIO pins\n");
145 omap3_beagle_version
= OMAP3BEAGLE_BOARD_UNKN
;
149 beagle_rev
= gpio_get_value(171) | (gpio_get_value(172) << 1)
150 | (gpio_get_value(173) << 2);
152 gpio_free_array(omap3_beagle_rev_gpios
,
153 ARRAY_SIZE(omap3_beagle_rev_gpios
));
155 switch (beagle_rev
) {
157 printk(KERN_INFO
"OMAP3 Beagle Rev: Ax/Bx\n");
158 omap3_beagle_version
= OMAP3BEAGLE_BOARD_AXBX
;
159 beagle_config
.mmc1_gpio_wp
= 29;
160 beagle_config
.dvi_pd_gpio
= 170;
161 beagle_config
.usr_button_gpio
= 7;
164 printk(KERN_INFO
"OMAP3 Beagle Rev: C1/C2/C3\n");
165 omap3_beagle_version
= OMAP3BEAGLE_BOARD_C1_3
;
166 beagle_config
.mmc1_gpio_wp
= 23;
167 beagle_config
.dvi_pd_gpio
= 170;
168 beagle_config
.usr_button_gpio
= 7;
171 printk(KERN_INFO
"OMAP3 Beagle Rev: C4\n");
172 omap3_beagle_version
= OMAP3BEAGLE_BOARD_C4
;
173 beagle_config
.mmc1_gpio_wp
= 23;
174 beagle_config
.dvi_pd_gpio
= 170;
175 beagle_config
.usr_button_gpio
= 7;
178 printk(KERN_INFO
"OMAP3 Beagle Rev: xM Ax/Bx\n");
179 omap3_beagle_version
= OMAP3BEAGLE_BOARD_XM
;
180 beagle_config
.usb_pwr_level
= GPIOF_OUT_INIT_HIGH
;
181 beagle_config
.mmc_caps
&= ~MMC_CAP_8_BIT_DATA
;
184 printk(KERN_INFO
"OMAP3 Beagle Rev: xM C\n");
185 omap3_beagle_version
= OMAP3BEAGLE_BOARD_XMC
;
186 beagle_config
.mmc_caps
&= ~MMC_CAP_8_BIT_DATA
;
189 printk(KERN_INFO
"OMAP3 Beagle Rev: unknown %hd\n", beagle_rev
);
190 omap3_beagle_version
= OMAP3BEAGLE_BOARD_UNKN
;
194 static struct mtd_partition omap3beagle_nand_partitions
[] = {
195 /* All the partition sizes are listed in terms of NAND block size */
199 .size
= 4 * NAND_BLOCK_SIZE
,
200 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
204 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
205 .size
= 15 * NAND_BLOCK_SIZE
,
206 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
209 .name
= "U-Boot Env",
210 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x260000 */
211 .size
= 1 * NAND_BLOCK_SIZE
,
215 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x280000 */
216 .size
= 32 * NAND_BLOCK_SIZE
,
219 .name
= "File System",
220 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x680000 */
221 .size
= MTDPART_SIZ_FULL
,
227 static struct tfp410_platform_data dvi_panel
= {
229 .power_down_gpio
= -1,
232 static struct omap_dss_device beagle_dvi_device
= {
233 .type
= OMAP_DISPLAY_TYPE_DPI
,
235 .driver_name
= "tfp410",
237 .phy
.dpi
.data_lines
= 24,
240 static struct omap_dss_device beagle_tv_device
= {
242 .driver_name
= "venc",
243 .type
= OMAP_DISPLAY_TYPE_VENC
,
244 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
247 static struct omap_dss_device
*beagle_dss_devices
[] = {
252 static struct omap_dss_board_info beagle_dss_data
= {
253 .num_devices
= ARRAY_SIZE(beagle_dss_devices
),
254 .devices
= beagle_dss_devices
,
255 .default_device
= &beagle_dvi_device
,
258 #include "sdram-micron-mt46h32m32lf-6.h"
260 static struct omap2_hsmmc_info mmc
[] = {
263 .caps
= MMC_CAP_4_BIT_DATA
,
270 static struct regulator_consumer_supply beagle_vmmc1_supply
[] = {
271 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
274 static struct regulator_consumer_supply beagle_vsim_supply
[] = {
275 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
278 static struct gpio_led gpio_leds
[];
280 static int beagle_twl_gpio_setup(struct device
*dev
,
281 unsigned gpio
, unsigned ngpio
)
285 mmc
[0].gpio_wp
= beagle_config
.mmc1_gpio_wp
;
286 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
287 mmc
[0].gpio_cd
= gpio
+ 0;
288 omap_hsmmc_late_init(mmc
);
291 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
292 * high / others active low)
293 * DVI reset GPIO is different between beagle revisions
295 /* Valid for all -xM revisions */
296 if (cpu_is_omap3630()) {
298 * gpio + 1 on Xm controls the TFP410's enable line (active low)
299 * gpio + 2 control varies depending on the board rev as below:
300 * P7/P8 revisions(prototype): Camera EN
301 * A2+ revisions (production): LDO (DVI, serial, led blocks)
303 r
= gpio_request_one(gpio
+ 1, GPIOF_OUT_INIT_LOW
,
306 pr_err("%s: unable to configure nDVI_PWR_EN\n",
309 beagle_config
.dvi_pd_gpio
= gpio
+ 2;
313 * REVISIT: need ehci-omap hooks for external VBUS
314 * power switch and overcurrent detect
316 if (gpio_request_one(gpio
+ 1, GPIOF_IN
, "EHCI_nOC"))
317 pr_err("%s: unable to configure EHCI_nOC\n", __func__
);
319 dvi_panel
.power_down_gpio
= beagle_config
.dvi_pd_gpio
;
321 gpio_request_one(gpio
+ TWL4030_GPIO_MAX
, beagle_config
.usb_pwr_level
,
327 static struct twl4030_gpio_platform_data beagle_gpio_data
= {
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
,
335 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
336 static struct regulator_init_data beagle_vmmc1
= {
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
,
346 .num_consumer_supplies
= ARRAY_SIZE(beagle_vmmc1_supply
),
347 .consumer_supplies
= beagle_vmmc1_supply
,
350 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
351 static struct regulator_init_data beagle_vsim
= {
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
,
361 .num_consumer_supplies
= ARRAY_SIZE(beagle_vsim_supply
),
362 .consumer_supplies
= beagle_vsim_supply
,
365 static struct twl4030_platform_data beagle_twldata
= {
366 /* platform_data for children goes here */
367 .gpio
= &beagle_gpio_data
,
368 .vmmc1
= &beagle_vmmc1
,
369 .vsim
= &beagle_vsim
,
372 static struct i2c_board_info __initdata beagle_i2c_eeprom
[] = {
374 I2C_BOARD_INFO("eeprom", 0x50),
378 static int __init
omap3_beagle_i2c_init(void)
380 omap3_pmic_get_config(&beagle_twldata
,
381 TWL_COMMON_PDATA_USB
| TWL_COMMON_PDATA_MADC
|
382 TWL_COMMON_PDATA_AUDIO
,
383 TWL_COMMON_REGULATOR_VDAC
| TWL_COMMON_REGULATOR_VPLL2
);
385 beagle_twldata
.vpll2
->constraints
.name
= "VDVI";
387 omap3_pmic_init("twl4030", &beagle_twldata
);
388 /* Bus 3 is attached to the DVI port where devices like the pico DLP
389 * projector don't work reliably with 400kHz */
390 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom
, ARRAY_SIZE(beagle_i2c_eeprom
));
394 static struct gpio_led gpio_leds
[] = {
396 .name
= "beagleboard::usr0",
397 .default_trigger
= "heartbeat",
401 .name
= "beagleboard::usr1",
402 .default_trigger
= "mmc0",
407 static struct gpio_led_platform_data gpio_led_info
= {
409 .num_leds
= ARRAY_SIZE(gpio_leds
),
412 static struct platform_device leds_gpio
= {
416 .platform_data
= &gpio_led_info
,
420 static struct gpio_keys_button gpio_buttons
[] = {
423 /* Dynamically assigned depending on board */
430 static struct gpio_keys_platform_data gpio_key_info
= {
431 .buttons
= gpio_buttons
,
432 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
435 static struct platform_device keys_gpio
= {
439 .platform_data
= &gpio_key_info
,
443 static struct platform_device madc_hwmon
= {
444 .name
= "twl4030_madc_hwmon",
448 static struct platform_device
*omap3_beagle_devices
[] __initdata
= {
455 static struct usbhs_omap_platform_data usbhs_bdata __initdata
= {
457 .port_mode
[0] = OMAP_USBHS_PORT_MODE_UNUSED
,
458 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
459 .port_mode
[2] = OMAP_USBHS_PORT_MODE_UNUSED
,
462 .reset_gpio_port
[0] = -EINVAL
,
463 .reset_gpio_port
[1] = 147,
464 .reset_gpio_port
[2] = -EINVAL
467 #ifdef CONFIG_OMAP_MUX
468 static struct omap_board_mux board_mux
[] __initdata
= {
469 { .reg_offset
= OMAP_MUX_TERMINATOR
},
473 static int __init
beagle_opp_init(void)
477 if (!machine_is_omap3_beagle())
480 /* Initialize the omap3 opp table if not already created. */
481 r
= omap3_opp_init();
482 if (IS_ERR_VALUE(r
) && (r
!= -EEXIST
)) {
483 pr_err("%s: opp default init failed\n", __func__
);
487 /* Custom OPP enabled for all xM versions */
488 if (cpu_is_omap3630()) {
489 struct device
*mpu_dev
, *iva_dev
;
491 mpu_dev
= get_cpu_device(0);
492 iva_dev
= omap_device_get_by_hwmod_name("iva");
494 if (IS_ERR(mpu_dev
) || IS_ERR(iva_dev
)) {
495 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
496 __func__
, mpu_dev
, iva_dev
);
499 /* Enable MPU 1GHz and lower opps */
500 r
= opp_enable(mpu_dev
, 800000000);
501 /* TODO: MPU 1GHz needs SR and ABB */
503 /* Enable IVA 800MHz and lower opps */
504 r
|= opp_enable(iva_dev
, 660000000);
505 /* TODO: DSP 800MHz needs SR and ABB */
507 pr_err("%s: failed to enable higher opp %d\n",
510 * Cleanup - disable the higher freqs - we dont care
513 opp_disable(mpu_dev
, 800000000);
514 opp_disable(iva_dev
, 660000000);
519 omap_device_initcall(beagle_opp_init
);
521 static void __init
omap3_beagle_init(void)
523 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
524 omap3_beagle_init_rev();
526 if (gpio_is_valid(beagle_config
.mmc1_gpio_wp
))
527 omap_mux_init_gpio(beagle_config
.mmc1_gpio_wp
, OMAP_PIN_INPUT
);
528 mmc
[0].caps
= beagle_config
.mmc_caps
;
529 omap_hsmmc_init(mmc
);
531 omap3_beagle_i2c_init();
533 gpio_buttons
[0].gpio
= beagle_config
.usr_button_gpio
;
535 platform_add_devices(omap3_beagle_devices
,
536 ARRAY_SIZE(omap3_beagle_devices
));
537 if (gpio_is_valid(beagle_config
.dvi_pd_gpio
))
538 omap_mux_init_gpio(beagle_config
.dvi_pd_gpio
, OMAP_PIN_OUTPUT
);
539 omap_display_init(&beagle_dss_data
);
541 omap_sdrc_init(mt46h32m32lf6_sdrc_params
,
542 mt46h32m32lf6_sdrc_params
);
544 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
546 usbhs_init(&usbhs_bdata
);
547 board_nand_init(omap3beagle_nand_partitions
,
548 ARRAY_SIZE(omap3beagle_nand_partitions
), NAND_CS
,
549 NAND_BUSWIDTH_16
, NULL
);
550 omap_twl4030_audio_init("omap3beagle", NULL
);
552 /* Ensure msecure is mux'd to be able to set the RTC. */
553 omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH
);
555 /* Ensure SDRC pins are mux'd for self-refresh */
556 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
557 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
559 pwm_add_table(pwm_lookup
, ARRAY_SIZE(pwm_lookup
));
562 MACHINE_START(OMAP3_BEAGLE
, "OMAP3 Beagle Board")
563 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
564 .atag_offset
= 0x100,
565 .reserve
= omap_reserve
,
566 .map_io
= omap3_map_io
,
567 .init_early
= omap3_init_early
,
568 .init_irq
= omap3_init_irq
,
569 .handle_irq
= omap3_intc_handle_irq
,
570 .init_machine
= omap3_beagle_init
,
571 .init_late
= omap3_init_late
,
572 .init_time
= omap3_secure_sync32k_timer_init
,
573 .restart
= omap3xxx_restart
,