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>
36 #include <linux/usb/nop-usb-xceiv.h>
38 #include <linux/regulator/machine.h>
39 #include <linux/i2c/twl.h>
41 #include <asm/mach-types.h>
42 #include <asm/mach/arch.h>
43 #include <asm/mach/map.h>
44 #include <asm/mach/flash.h>
46 #include <video/omapdss.h>
47 #include <video/omap-panel-data.h>
48 #include <linux/platform_data/mtd-nand-omap2.h>
51 #include "omap_device.h"
57 #include "board-flash.h"
58 #include "common-board-devices.h"
62 static struct pwm_lookup pwm_lookup
[] = {
63 /* LEDB -> PMU_STAT */
64 PWM_LOOKUP("twl-pwmled", 1, "leds_pwm", "beagleboard::pmu_stat"),
67 static struct led_pwm pwm_leds
[] = {
69 .name
= "beagleboard::pmu_stat",
70 .max_brightness
= 127,
71 .pwm_period_ns
= 7812500,
75 static struct led_pwm_platform_data pwm_data
= {
76 .num_leds
= ARRAY_SIZE(pwm_leds
),
80 static struct platform_device leds_pwm
= {
84 .platform_data
= &pwm_data
,
89 * OMAP3 Beagle revision
90 * Run time detection of Beagle revision is done by reading GPIO.
92 * AXBX = GPIO173, GPIO172, GPIO171: 1 1 1
93 * C1_3 = GPIO173, GPIO172, GPIO171: 1 1 0
94 * C4 = GPIO173, GPIO172, GPIO171: 1 0 1
95 * XMA/XMB = GPIO173, GPIO172, GPIO171: 0 0 0
96 * XMC = GPIO173, GPIO172, GPIO171: 0 1 0
99 OMAP3BEAGLE_BOARD_UNKN
= 0,
100 OMAP3BEAGLE_BOARD_AXBX
,
101 OMAP3BEAGLE_BOARD_C1_3
,
102 OMAP3BEAGLE_BOARD_C4
,
103 OMAP3BEAGLE_BOARD_XM
,
104 OMAP3BEAGLE_BOARD_XMC
,
107 static u8 omap3_beagle_version
;
110 * Board-specific configuration
111 * Defaults to BeagleBoard-xMC
115 bool usb_pwr_level
; /* 0 - Active Low, 1 - Active High */
120 .mmc1_gpio_wp
= -EINVAL
,
122 .dvi_pd_gpio
= -EINVAL
,
123 .usr_button_gpio
= 4,
124 .mmc_caps
= MMC_CAP_4_BIT_DATA
| MMC_CAP_8_BIT_DATA
,
127 static struct gpio omap3_beagle_rev_gpios
[] __initdata
= {
128 { 171, GPIOF_IN
, "rev_id_0" },
129 { 172, GPIOF_IN
, "rev_id_1" },
130 { 173, GPIOF_IN
, "rev_id_2" },
133 static void __init
omap3_beagle_init_rev(void)
138 omap_mux_init_gpio(171, OMAP_PIN_INPUT_PULLUP
);
139 omap_mux_init_gpio(172, OMAP_PIN_INPUT_PULLUP
);
140 omap_mux_init_gpio(173, OMAP_PIN_INPUT_PULLUP
);
142 ret
= gpio_request_array(omap3_beagle_rev_gpios
,
143 ARRAY_SIZE(omap3_beagle_rev_gpios
));
145 printk(KERN_ERR
"Unable to get revision detection GPIO pins\n");
146 omap3_beagle_version
= OMAP3BEAGLE_BOARD_UNKN
;
150 beagle_rev
= gpio_get_value(171) | (gpio_get_value(172) << 1)
151 | (gpio_get_value(173) << 2);
153 gpio_free_array(omap3_beagle_rev_gpios
,
154 ARRAY_SIZE(omap3_beagle_rev_gpios
));
156 switch (beagle_rev
) {
158 printk(KERN_INFO
"OMAP3 Beagle Rev: Ax/Bx\n");
159 omap3_beagle_version
= OMAP3BEAGLE_BOARD_AXBX
;
160 beagle_config
.mmc1_gpio_wp
= 29;
161 beagle_config
.dvi_pd_gpio
= 170;
162 beagle_config
.usr_button_gpio
= 7;
165 printk(KERN_INFO
"OMAP3 Beagle Rev: C1/C2/C3\n");
166 omap3_beagle_version
= OMAP3BEAGLE_BOARD_C1_3
;
167 beagle_config
.mmc1_gpio_wp
= 23;
168 beagle_config
.dvi_pd_gpio
= 170;
169 beagle_config
.usr_button_gpio
= 7;
172 printk(KERN_INFO
"OMAP3 Beagle Rev: C4\n");
173 omap3_beagle_version
= OMAP3BEAGLE_BOARD_C4
;
174 beagle_config
.mmc1_gpio_wp
= 23;
175 beagle_config
.dvi_pd_gpio
= 170;
176 beagle_config
.usr_button_gpio
= 7;
179 printk(KERN_INFO
"OMAP3 Beagle Rev: xM Ax/Bx\n");
180 omap3_beagle_version
= OMAP3BEAGLE_BOARD_XM
;
181 beagle_config
.usb_pwr_level
= 1;
182 beagle_config
.mmc_caps
&= ~MMC_CAP_8_BIT_DATA
;
185 printk(KERN_INFO
"OMAP3 Beagle Rev: xM C\n");
186 omap3_beagle_version
= OMAP3BEAGLE_BOARD_XMC
;
187 beagle_config
.mmc_caps
&= ~MMC_CAP_8_BIT_DATA
;
190 printk(KERN_INFO
"OMAP3 Beagle Rev: unknown %hd\n", beagle_rev
);
191 omap3_beagle_version
= OMAP3BEAGLE_BOARD_UNKN
;
195 static struct mtd_partition omap3beagle_nand_partitions
[] = {
196 /* All the partition sizes are listed in terms of NAND block size */
200 .size
= 4 * NAND_BLOCK_SIZE
,
201 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
205 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x80000 */
206 .size
= 15 * NAND_BLOCK_SIZE
,
207 .mask_flags
= MTD_WRITEABLE
, /* force read-only */
210 .name
= "U-Boot Env",
211 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x260000 */
212 .size
= 1 * NAND_BLOCK_SIZE
,
216 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x280000 */
217 .size
= 32 * NAND_BLOCK_SIZE
,
220 .name
= "File System",
221 .offset
= MTDPART_OFS_APPEND
, /* Offset = 0x680000 */
222 .size
= MTDPART_SIZ_FULL
,
228 static struct tfp410_platform_data dvi_panel
= {
230 .power_down_gpio
= -1,
233 static struct omap_dss_device beagle_dvi_device
= {
234 .type
= OMAP_DISPLAY_TYPE_DPI
,
236 .driver_name
= "tfp410",
238 .phy
.dpi
.data_lines
= 24,
241 static struct omap_dss_device beagle_tv_device
= {
243 .driver_name
= "venc",
244 .type
= OMAP_DISPLAY_TYPE_VENC
,
245 .phy
.venc
.type
= OMAP_DSS_VENC_TYPE_SVIDEO
,
248 static struct omap_dss_device
*beagle_dss_devices
[] = {
253 static struct omap_dss_board_info beagle_dss_data
= {
254 .num_devices
= ARRAY_SIZE(beagle_dss_devices
),
255 .devices
= beagle_dss_devices
,
256 .default_device
= &beagle_dvi_device
,
259 #include "sdram-micron-mt46h32m32lf-6.h"
261 static struct omap2_hsmmc_info mmc
[] = {
264 .caps
= MMC_CAP_4_BIT_DATA
,
271 static struct regulator_consumer_supply beagle_vmmc1_supply
[] = {
272 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.0"),
275 static struct regulator_consumer_supply beagle_vsim_supply
[] = {
276 REGULATOR_SUPPLY("vmmc_aux", "omap_hsmmc.0"),
279 static struct gpio_led gpio_leds
[];
281 /* PHY's VCC regulator might be added later, so flag that we need it */
282 static struct nop_usb_xceiv_platform_data hsusb2_phy_data
= {
286 static struct usbhs_phy_data phy_data
[] = {
290 .vcc_gpio
= -1, /* updated in beagle_twl_gpio_setup */
291 .vcc_polarity
= 1, /* updated in beagle_twl_gpio_setup */
292 .platform_data
= &hsusb2_phy_data
,
296 static int beagle_twl_gpio_setup(struct device
*dev
,
297 unsigned gpio
, unsigned ngpio
)
301 mmc
[0].gpio_wp
= beagle_config
.mmc1_gpio_wp
;
302 /* gpio + 0 is "mmc0_cd" (input/IRQ) */
303 mmc
[0].gpio_cd
= gpio
+ 0;
304 omap_hsmmc_late_init(mmc
);
307 * TWL4030_GPIO_MAX + 0 == ledA, EHCI nEN_USB_PWR (out, XM active
308 * high / others active low)
309 * DVI reset GPIO is different between beagle revisions
311 /* Valid for all -xM revisions */
312 if (cpu_is_omap3630()) {
314 * gpio + 1 on Xm controls the TFP410's enable line (active low)
315 * gpio + 2 control varies depending on the board rev as below:
316 * P7/P8 revisions(prototype): Camera EN
317 * A2+ revisions (production): LDO (DVI, serial, led blocks)
319 r
= gpio_request_one(gpio
+ 1, GPIOF_OUT_INIT_LOW
,
322 pr_err("%s: unable to configure nDVI_PWR_EN\n",
325 beagle_config
.dvi_pd_gpio
= gpio
+ 2;
329 * REVISIT: need ehci-omap hooks for external VBUS
330 * power switch and overcurrent detect
332 if (gpio_request_one(gpio
+ 1, GPIOF_IN
, "EHCI_nOC"))
333 pr_err("%s: unable to configure EHCI_nOC\n", __func__
);
335 dvi_panel
.power_down_gpio
= beagle_config
.dvi_pd_gpio
;
337 /* TWL4030_GPIO_MAX i.e. LED_GPO controls HS USB Port 2 power */
338 phy_data
[0].vcc_gpio
= gpio
+ TWL4030_GPIO_MAX
;
339 phy_data
[0].vcc_polarity
= beagle_config
.usb_pwr_level
;
341 usbhs_init_phys(phy_data
, ARRAY_SIZE(phy_data
));
345 static struct twl4030_gpio_platform_data beagle_gpio_data
= {
348 .pulldowns
= BIT(2) | BIT(6) | BIT(7) | BIT(8) | BIT(13)
349 | BIT(15) | BIT(16) | BIT(17),
350 .setup
= beagle_twl_gpio_setup
,
353 /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
354 static struct regulator_init_data beagle_vmmc1
= {
358 .valid_modes_mask
= REGULATOR_MODE_NORMAL
359 | REGULATOR_MODE_STANDBY
,
360 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
361 | REGULATOR_CHANGE_MODE
362 | REGULATOR_CHANGE_STATUS
,
364 .num_consumer_supplies
= ARRAY_SIZE(beagle_vmmc1_supply
),
365 .consumer_supplies
= beagle_vmmc1_supply
,
368 /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
369 static struct regulator_init_data beagle_vsim
= {
373 .valid_modes_mask
= REGULATOR_MODE_NORMAL
374 | REGULATOR_MODE_STANDBY
,
375 .valid_ops_mask
= REGULATOR_CHANGE_VOLTAGE
376 | REGULATOR_CHANGE_MODE
377 | REGULATOR_CHANGE_STATUS
,
379 .num_consumer_supplies
= ARRAY_SIZE(beagle_vsim_supply
),
380 .consumer_supplies
= beagle_vsim_supply
,
383 static struct twl4030_platform_data beagle_twldata
= {
384 /* platform_data for children goes here */
385 .gpio
= &beagle_gpio_data
,
386 .vmmc1
= &beagle_vmmc1
,
387 .vsim
= &beagle_vsim
,
390 static struct i2c_board_info __initdata beagle_i2c_eeprom
[] = {
392 I2C_BOARD_INFO("eeprom", 0x50),
396 static int __init
omap3_beagle_i2c_init(void)
398 omap3_pmic_get_config(&beagle_twldata
,
399 TWL_COMMON_PDATA_USB
| TWL_COMMON_PDATA_MADC
|
400 TWL_COMMON_PDATA_AUDIO
,
401 TWL_COMMON_REGULATOR_VDAC
| TWL_COMMON_REGULATOR_VPLL2
);
403 beagle_twldata
.vpll2
->constraints
.name
= "VDVI";
405 omap3_pmic_init("twl4030", &beagle_twldata
);
406 /* Bus 3 is attached to the DVI port where devices like the pico DLP
407 * projector don't work reliably with 400kHz */
408 omap_register_i2c_bus(3, 100, beagle_i2c_eeprom
, ARRAY_SIZE(beagle_i2c_eeprom
));
412 static struct gpio_led gpio_leds
[] = {
414 .name
= "beagleboard::usr0",
415 .default_trigger
= "heartbeat",
419 .name
= "beagleboard::usr1",
420 .default_trigger
= "mmc0",
425 static struct gpio_led_platform_data gpio_led_info
= {
427 .num_leds
= ARRAY_SIZE(gpio_leds
),
430 static struct platform_device leds_gpio
= {
434 .platform_data
= &gpio_led_info
,
438 static struct gpio_keys_button gpio_buttons
[] = {
441 /* Dynamically assigned depending on board */
448 static struct gpio_keys_platform_data gpio_key_info
= {
449 .buttons
= gpio_buttons
,
450 .nbuttons
= ARRAY_SIZE(gpio_buttons
),
453 static struct platform_device keys_gpio
= {
457 .platform_data
= &gpio_key_info
,
461 static struct platform_device madc_hwmon
= {
462 .name
= "twl4030_madc_hwmon",
466 static struct platform_device
*omap3_beagle_devices
[] __initdata
= {
473 static struct usbhs_omap_platform_data usbhs_bdata __initdata
= {
474 .port_mode
[1] = OMAP_EHCI_PORT_MODE_PHY
,
477 #ifdef CONFIG_OMAP_MUX
478 static struct omap_board_mux board_mux
[] __initdata
= {
479 { .reg_offset
= OMAP_MUX_TERMINATOR
},
483 static int __init
beagle_opp_init(void)
487 if (!machine_is_omap3_beagle())
490 /* Initialize the omap3 opp table if not already created. */
491 r
= omap3_opp_init();
492 if (r
< 0 && (r
!= -EEXIST
)) {
493 pr_err("%s: opp default init failed\n", __func__
);
497 /* Custom OPP enabled for all xM versions */
498 if (cpu_is_omap3630()) {
499 struct device
*mpu_dev
, *iva_dev
;
501 mpu_dev
= get_cpu_device(0);
502 iva_dev
= omap_device_get_by_hwmod_name("iva");
504 if (IS_ERR(mpu_dev
) || IS_ERR(iva_dev
)) {
505 pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
506 __func__
, mpu_dev
, iva_dev
);
509 /* Enable MPU 1GHz and lower opps */
510 r
= opp_enable(mpu_dev
, 800000000);
511 /* TODO: MPU 1GHz needs SR and ABB */
513 /* Enable IVA 800MHz and lower opps */
514 r
|= opp_enable(iva_dev
, 660000000);
515 /* TODO: DSP 800MHz needs SR and ABB */
517 pr_err("%s: failed to enable higher opp %d\n",
520 * Cleanup - disable the higher freqs - we dont care
523 opp_disable(mpu_dev
, 800000000);
524 opp_disable(iva_dev
, 660000000);
529 omap_device_initcall(beagle_opp_init
);
531 static void __init
omap3_beagle_init(void)
533 omap3_mux_init(board_mux
, OMAP_PACKAGE_CBB
);
534 omap3_beagle_init_rev();
536 if (gpio_is_valid(beagle_config
.mmc1_gpio_wp
))
537 omap_mux_init_gpio(beagle_config
.mmc1_gpio_wp
, OMAP_PIN_INPUT
);
538 mmc
[0].caps
= beagle_config
.mmc_caps
;
539 omap_hsmmc_init(mmc
);
541 omap3_beagle_i2c_init();
543 gpio_buttons
[0].gpio
= beagle_config
.usr_button_gpio
;
545 platform_add_devices(omap3_beagle_devices
,
546 ARRAY_SIZE(omap3_beagle_devices
));
547 if (gpio_is_valid(beagle_config
.dvi_pd_gpio
))
548 omap_mux_init_gpio(beagle_config
.dvi_pd_gpio
, OMAP_PIN_OUTPUT
);
549 omap_display_init(&beagle_dss_data
);
551 omap_sdrc_init(mt46h32m32lf6_sdrc_params
,
552 mt46h32m32lf6_sdrc_params
);
554 usb_bind_phy("musb-hdrc.0.auto", 0, "twl4030_usb");
557 usbhs_init(&usbhs_bdata
);
559 board_nand_init(omap3beagle_nand_partitions
,
560 ARRAY_SIZE(omap3beagle_nand_partitions
), NAND_CS
,
561 NAND_BUSWIDTH_16
, NULL
);
562 omap_twl4030_audio_init("omap3beagle", NULL
);
564 /* Ensure msecure is mux'd to be able to set the RTC. */
565 omap_mux_init_signal("sys_drm_msecure", OMAP_PIN_OFF_OUTPUT_HIGH
);
567 /* Ensure SDRC pins are mux'd for self-refresh */
568 omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT
);
569 omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT
);
571 pwm_add_table(pwm_lookup
, ARRAY_SIZE(pwm_lookup
));
574 MACHINE_START(OMAP3_BEAGLE
, "OMAP3 Beagle Board")
575 /* Maintainer: Syed Mohammed Khasim - http://beagleboard.org */
576 .atag_offset
= 0x100,
577 .reserve
= omap_reserve
,
578 .map_io
= omap3_map_io
,
579 .init_early
= omap3_init_early
,
580 .init_irq
= omap3_init_irq
,
581 .handle_irq
= omap3_intc_handle_irq
,
582 .init_machine
= omap3_beagle_init
,
583 .init_late
= omap3_init_late
,
584 .init_time
= omap3_secure_sync32k_timer_init
,
585 .restart
= omap3xxx_restart
,