2 * Board support file for OMAP4430 based PandaBoard.
4 * Copyright (C) 2010 Texas Instruments
6 * Author: David Anders <x0132446@ti.com>
8 * Based on mach-omap2/board-4430sdp.c
10 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
12 * Based on mach-omap2/board-3430sdp.c
14 * This program is free software; you can redistribute it and/or modify
15 * it under the terms of the GNU General Public License version 2 as
16 * published by the Free Software Foundation.
19 #include <linux/kernel.h>
20 #include <linux/init.h>
21 #include <linux/platform_device.h>
22 #include <linux/clk.h>
24 #include <linux/leds.h>
25 #include <linux/gpio.h>
26 #include <linux/usb/otg.h>
27 #include <linux/i2c/twl.h>
28 #include <linux/mfd/twl6040.h>
29 #include <linux/regulator/machine.h>
30 #include <linux/regulator/fixed.h>
31 #include <linux/ti_wilink_st.h>
32 #include <linux/usb/musb.h>
33 #include <linux/usb/phy.h>
34 #include <linux/wl12xx.h>
35 #include <linux/irqchip/arm-gic.h>
36 #include <linux/platform_data/omap-abe-twl6040.h>
38 #include <asm/mach-types.h>
39 #include <asm/mach/arch.h>
40 #include <asm/mach/map.h>
48 #include "common-board-devices.h"
49 #include "dss-common.h"
51 #define GPIO_HUB_POWER 1
52 #define GPIO_HUB_NRESET 62
53 #define GPIO_WIFI_PMENA 43
54 #define GPIO_WIFI_IRQ 53
56 /* wl127x BT, FM, GPS connectivity chip */
57 static struct ti_st_plat_data wilink_platform_data = {
59 .dev_name = "/dev/ttyO1",
67 static struct platform_device wl1271_device = {
71 .platform_data = &wilink_platform_data,
75 static struct gpio_led gpio_leds[] = {
77 .name = "pandaboard::status1",
78 .default_trigger = "heartbeat",
82 .name = "pandaboard::status2",
83 .default_trigger = "mmc0",
88 static struct gpio_led_platform_data gpio_led_info = {
90 .num_leds = ARRAY_SIZE(gpio_leds),
93 static struct platform_device leds_gpio = {
97 .platform_data = &gpio_led_info,
101 static struct omap_abe_twl6040_data panda_abe_audio_data = {
103 .has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
104 /* HandsFree through expansion connector */
105 .has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
106 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
107 .has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
108 /* PandaBoard: FM RX, PandaBoardES: audio in */
109 .has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
110 /* No jack detection. */
112 /* MCLK input is 38.4MHz */
113 .mclk_freq = 38400000,
117 static struct platform_device panda_abe_audio = {
118 .name = "omap-abe-twl6040",
121 .platform_data = &panda_abe_audio_data,
125 static struct platform_device panda_hdmi_audio_codec = {
126 .name = "hdmi-audio-codec",
130 static struct platform_device btwilink_device = {
135 static struct platform_device *panda_devices[] __initdata = {
139 &panda_hdmi_audio_codec,
143 static struct usbhs_omap_platform_data usbhs_bdata __initdata = {
144 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
145 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
146 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
148 .reset_gpio_port[0] = -EINVAL,
149 .reset_gpio_port[1] = -EINVAL,
150 .reset_gpio_port[2] = -EINVAL
153 static struct gpio panda_ehci_gpios[] __initdata = {
154 { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
155 { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
158 static void __init omap4_ehci_init(void)
161 struct clk *phy_ref_clk;
163 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
164 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
165 if (IS_ERR(phy_ref_clk)) {
166 pr_err("Cannot request auxclk3\n");
169 clk_set_rate(phy_ref_clk, 19200000);
170 clk_prepare_enable(phy_ref_clk);
172 /* disable the power to the usb hub prior to init and reset phy+hub */
173 ret = gpio_request_array(panda_ehci_gpios,
174 ARRAY_SIZE(panda_ehci_gpios));
176 pr_err("Unable to initialize EHCI power/reset\n");
180 gpio_export(GPIO_HUB_POWER, 0);
181 gpio_export(GPIO_HUB_NRESET, 0);
182 gpio_set_value(GPIO_HUB_NRESET, 1);
184 usbhs_init(&usbhs_bdata);
186 /* enable power to hub */
187 gpio_set_value(GPIO_HUB_POWER, 1);
190 static struct omap_musb_board_data musb_board_data = {
191 .interface_type = MUSB_INTERFACE_UTMI,
196 static struct omap2_hsmmc_info mmc[] = {
199 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
206 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
209 .ocr_mask = MMC_VDD_165_195,
210 .nonremovable = true,
215 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
216 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
219 static struct regulator_init_data panda_vmmc5 = {
221 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
223 .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
224 .consumer_supplies = omap4_panda_vmmc5_supply,
227 static struct fixed_voltage_config panda_vwlan = {
228 .supply_name = "vwl1271",
229 .microvolts = 1800000, /* 1.8V */
230 .gpio = GPIO_WIFI_PMENA,
231 .startup_delay = 70000, /* 70msec */
233 .enabled_at_boot = 0,
234 .init_data = &panda_vmmc5,
237 static struct platform_device omap_vwlan_device = {
238 .name = "reg-fixed-voltage",
241 .platform_data = &panda_vwlan,
245 static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
246 .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
249 static struct twl6040_codec_data twl6040_codec = {
250 /* single-step ramp for headset and handsfree */
251 .hs_left_step = 0x0f,
252 .hs_right_step = 0x0f,
253 .hf_left_step = 0x1d,
254 .hf_right_step = 0x1d,
257 static struct twl6040_platform_data twl6040_data = {
258 .codec = &twl6040_codec,
259 .audpwron_gpio = 127,
262 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
264 I2C_BOARD_INFO("twl6040", 0x4b),
265 .irq = 119 + OMAP44XX_IRQ_GIC_START,
266 .platform_data = &twl6040_data,
270 /* Panda board uses the common PMIC configuration */
271 static struct twl4030_platform_data omap4_panda_twldata;
274 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
275 * is connected as I2C slave device, and can be accessed at address 0x50
277 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
279 I2C_BOARD_INFO("eeprom", 0x50),
283 static int __init omap4_panda_i2c_init(void)
285 omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
286 TWL_COMMON_REGULATOR_VDAC |
287 TWL_COMMON_REGULATOR_VAUX2 |
288 TWL_COMMON_REGULATOR_VAUX3 |
289 TWL_COMMON_REGULATOR_VMMC |
290 TWL_COMMON_REGULATOR_VPP |
291 TWL_COMMON_REGULATOR_VANA |
292 TWL_COMMON_REGULATOR_VCXIO |
293 TWL_COMMON_REGULATOR_VUSB |
294 TWL_COMMON_REGULATOR_CLK32KG |
295 TWL_COMMON_REGULATOR_V1V8 |
296 TWL_COMMON_REGULATOR_V2V1);
297 omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
298 ARRAY_SIZE(panda_i2c_1_boardinfo));
299 omap_register_i2c_bus(2, 400, NULL, 0);
301 * Bus 3 is attached to the DVI port where devices like the pico DLP
302 * projector don't work reliably with 400kHz
304 omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
305 ARRAY_SIZE(panda_i2c_eeprom));
306 omap_register_i2c_bus(4, 400, NULL, 0);
310 #ifdef CONFIG_OMAP_MUX
311 static struct omap_board_mux board_mux[] __initdata = {
312 /* WLAN IRQ - GPIO 53 */
313 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
314 /* WLAN POWER ENABLE - GPIO 43 */
315 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
316 /* WLAN SDIO: MMC5 CMD */
317 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
318 /* WLAN SDIO: MMC5 CLK */
319 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
320 /* WLAN SDIO: MMC5 DAT[0-3] */
321 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
322 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
323 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
324 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
325 /* gpio 0 - TFP410 PD */
326 OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
328 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
330 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
332 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
334 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
336 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
338 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
340 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
342 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
344 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
346 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
348 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
350 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
352 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
354 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
356 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
358 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
360 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
362 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
364 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
366 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
368 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
370 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
372 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
374 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
376 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
378 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
380 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
382 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
383 /* NIRQ2 for twl6040 */
384 OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
385 OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
386 /* GPIO_127 for twl6040 */
387 OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
389 OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
390 OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
391 OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
392 OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
393 OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
395 OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
396 OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
397 OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
399 OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
401 /* UART2 - BT/FM/GPS shared transport */
402 OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
403 OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
404 OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
405 OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
407 { .reg_offset = OMAP_MUX_TERMINATOR },
411 #define board_mux NULL
415 static void omap4_panda_init_rev(void)
417 if (cpu_is_omap443x()) {
418 /* PandaBoard 4430 */
419 /* ASoC audio configuration */
420 panda_abe_audio_data.card_name = "PandaBoard";
421 panda_abe_audio_data.has_hsmic = 1;
424 /* ASoC audio configuration */
425 panda_abe_audio_data.card_name = "PandaBoardES";
429 static void __init omap4_panda_init(void)
431 int package = OMAP_PACKAGE_CBS;
434 if (omap_rev() == OMAP4430_REV_ES1_0)
435 package = OMAP_PACKAGE_CBL;
436 omap4_mux_init(board_mux, NULL, package);
438 omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
439 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
441 pr_err("error setting wl12xx data: %d\n", ret);
443 omap4_panda_init_rev();
444 omap4_panda_i2c_init();
445 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
446 platform_device_register(&omap_vwlan_device);
448 omap_sdrc_init(NULL, NULL);
449 omap4_twl6030_hsmmc_init(mmc);
451 usb_bind_phy("musb-hdrc.0.auto", 0, "omap-usb2.1.auto");
452 usb_musb_init(&musb_board_data);
453 omap4_panda_display_init();
456 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
457 /* Maintainer: David Anders - Texas Instruments Inc */
458 .atag_offset = 0x100,
459 .smp = smp_ops(omap4_smp_ops),
460 .reserve = omap_reserve,
461 .map_io = omap4_map_io,
462 .init_early = omap4430_init_early,
463 .init_irq = gic_init_irq,
464 .init_machine = omap4_panda_init,
465 .init_late = omap4430_init_late,
466 .init_time = omap4_local_timer_init,
467 .restart = omap44xx_restart,