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/wl12xx.h>
34 #include <linux/irqchip/arm-gic.h>
35 #include <linux/platform_data/omap-abe-twl6040.h>
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
47 #include "common-board-devices.h"
48 #include "dss-common.h"
50 #define GPIO_HUB_POWER 1
51 #define GPIO_HUB_NRESET 62
52 #define GPIO_WIFI_PMENA 43
53 #define GPIO_WIFI_IRQ 53
55 /* wl127x BT, FM, GPS connectivity chip */
56 static struct ti_st_plat_data wilink_platform_data = {
58 .dev_name = "/dev/ttyO1",
66 static struct platform_device wl1271_device = {
70 .platform_data = &wilink_platform_data,
74 static struct gpio_led gpio_leds[] = {
76 .name = "pandaboard::status1",
77 .default_trigger = "heartbeat",
81 .name = "pandaboard::status2",
82 .default_trigger = "mmc0",
87 static struct gpio_led_platform_data gpio_led_info = {
89 .num_leds = ARRAY_SIZE(gpio_leds),
92 static struct platform_device leds_gpio = {
96 .platform_data = &gpio_led_info,
100 static struct omap_abe_twl6040_data panda_abe_audio_data = {
102 .has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
103 /* HandsFree through expansion connector */
104 .has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
105 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
106 .has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
107 /* PandaBoard: FM RX, PandaBoardES: audio in */
108 .has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
109 /* No jack detection. */
111 /* MCLK input is 38.4MHz */
112 .mclk_freq = 38400000,
116 static struct platform_device panda_abe_audio = {
117 .name = "omap-abe-twl6040",
120 .platform_data = &panda_abe_audio_data,
124 static struct platform_device panda_hdmi_audio_codec = {
125 .name = "hdmi-audio-codec",
129 static struct platform_device btwilink_device = {
134 static struct platform_device *panda_devices[] __initdata = {
138 &panda_hdmi_audio_codec,
142 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
143 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
144 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
145 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
147 .reset_gpio_port[0] = -EINVAL,
148 .reset_gpio_port[1] = -EINVAL,
149 .reset_gpio_port[2] = -EINVAL
152 static struct gpio panda_ehci_gpios[] __initdata = {
153 { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
154 { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
157 static void __init omap4_ehci_init(void)
160 struct clk *phy_ref_clk;
162 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
163 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
164 if (IS_ERR(phy_ref_clk)) {
165 pr_err("Cannot request auxclk3\n");
168 clk_set_rate(phy_ref_clk, 19200000);
169 clk_prepare_enable(phy_ref_clk);
171 /* disable the power to the usb hub prior to init and reset phy+hub */
172 ret = gpio_request_array(panda_ehci_gpios,
173 ARRAY_SIZE(panda_ehci_gpios));
175 pr_err("Unable to initialize EHCI power/reset\n");
179 gpio_export(GPIO_HUB_POWER, 0);
180 gpio_export(GPIO_HUB_NRESET, 0);
181 gpio_set_value(GPIO_HUB_NRESET, 1);
183 usbhs_init(&usbhs_bdata);
185 /* enable power to hub */
186 gpio_set_value(GPIO_HUB_POWER, 1);
189 static struct omap_musb_board_data musb_board_data = {
190 .interface_type = MUSB_INTERFACE_UTMI,
195 static struct omap2_hsmmc_info mmc[] = {
198 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
205 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
208 .ocr_mask = MMC_VDD_165_195,
209 .nonremovable = true,
214 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
215 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
218 static struct regulator_init_data panda_vmmc5 = {
220 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
222 .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
223 .consumer_supplies = omap4_panda_vmmc5_supply,
226 static struct fixed_voltage_config panda_vwlan = {
227 .supply_name = "vwl1271",
228 .microvolts = 1800000, /* 1.8V */
229 .gpio = GPIO_WIFI_PMENA,
230 .startup_delay = 70000, /* 70msec */
232 .enabled_at_boot = 0,
233 .init_data = &panda_vmmc5,
236 static struct platform_device omap_vwlan_device = {
237 .name = "reg-fixed-voltage",
240 .platform_data = &panda_vwlan,
244 static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
245 .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
248 static struct twl6040_codec_data twl6040_codec = {
249 /* single-step ramp for headset and handsfree */
250 .hs_left_step = 0x0f,
251 .hs_right_step = 0x0f,
252 .hf_left_step = 0x1d,
253 .hf_right_step = 0x1d,
256 static struct twl6040_platform_data twl6040_data = {
257 .codec = &twl6040_codec,
258 .audpwron_gpio = 127,
261 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
263 I2C_BOARD_INFO("twl6040", 0x4b),
264 .irq = 119 + OMAP44XX_IRQ_GIC_START,
265 .platform_data = &twl6040_data,
269 /* Panda board uses the common PMIC configuration */
270 static struct twl4030_platform_data omap4_panda_twldata;
273 * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
274 * is connected as I2C slave device, and can be accessed at address 0x50
276 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
278 I2C_BOARD_INFO("eeprom", 0x50),
282 static int __init omap4_panda_i2c_init(void)
284 omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
285 TWL_COMMON_REGULATOR_VDAC |
286 TWL_COMMON_REGULATOR_VAUX2 |
287 TWL_COMMON_REGULATOR_VAUX3 |
288 TWL_COMMON_REGULATOR_VMMC |
289 TWL_COMMON_REGULATOR_VPP |
290 TWL_COMMON_REGULATOR_VANA |
291 TWL_COMMON_REGULATOR_VCXIO |
292 TWL_COMMON_REGULATOR_VUSB |
293 TWL_COMMON_REGULATOR_CLK32KG |
294 TWL_COMMON_REGULATOR_V1V8 |
295 TWL_COMMON_REGULATOR_V2V1);
296 omap4_pmic_init("twl6030", &omap4_panda_twldata, panda_i2c_1_boardinfo,
297 ARRAY_SIZE(panda_i2c_1_boardinfo));
298 omap_register_i2c_bus(2, 400, NULL, 0);
300 * Bus 3 is attached to the DVI port where devices like the pico DLP
301 * projector don't work reliably with 400kHz
303 omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
304 ARRAY_SIZE(panda_i2c_eeprom));
305 omap_register_i2c_bus(4, 400, NULL, 0);
309 #ifdef CONFIG_OMAP_MUX
310 static struct omap_board_mux board_mux[] __initdata = {
311 /* WLAN IRQ - GPIO 53 */
312 OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
313 /* WLAN POWER ENABLE - GPIO 43 */
314 OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
315 /* WLAN SDIO: MMC5 CMD */
316 OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
317 /* WLAN SDIO: MMC5 CLK */
318 OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
319 /* WLAN SDIO: MMC5 DAT[0-3] */
320 OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
321 OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
322 OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
323 OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
324 /* gpio 0 - TFP410 PD */
325 OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
327 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
329 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
331 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
333 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
335 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
337 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
339 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
341 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
343 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
345 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
347 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
349 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
351 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
353 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
355 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
357 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
359 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
361 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
363 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
365 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
367 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
369 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
371 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
373 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
375 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
377 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
379 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
381 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
382 /* NIRQ2 for twl6040 */
383 OMAP4_MUX(SYS_NIRQ2, OMAP_MUX_MODE0 |
384 OMAP_PIN_INPUT_PULLUP | OMAP_PIN_OFF_WAKEUPENABLE),
385 /* GPIO_127 for twl6040 */
386 OMAP4_MUX(HDQ_SIO, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
388 OMAP4_MUX(ABE_PDM_UL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
389 OMAP4_MUX(ABE_PDM_DL_DATA, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
390 OMAP4_MUX(ABE_PDM_FRAME, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
391 OMAP4_MUX(ABE_PDM_LB_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
392 OMAP4_MUX(ABE_CLKS, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
394 OMAP4_MUX(ABE_MCBSP1_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
395 OMAP4_MUX(ABE_MCBSP1_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
396 OMAP4_MUX(ABE_MCBSP1_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT |
398 OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
400 /* UART2 - BT/FM/GPS shared transport */
401 OMAP4_MUX(UART2_CTS, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
402 OMAP4_MUX(UART2_RTS, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
403 OMAP4_MUX(UART2_RX, OMAP_PIN_INPUT | OMAP_MUX_MODE0),
404 OMAP4_MUX(UART2_TX, OMAP_PIN_OUTPUT | OMAP_MUX_MODE0),
406 { .reg_offset = OMAP_MUX_TERMINATOR },
410 #define board_mux NULL
414 static void omap4_panda_init_rev(void)
416 if (cpu_is_omap443x()) {
417 /* PandaBoard 4430 */
418 /* ASoC audio configuration */
419 panda_abe_audio_data.card_name = "PandaBoard";
420 panda_abe_audio_data.has_hsmic = 1;
423 /* ASoC audio configuration */
424 panda_abe_audio_data.card_name = "PandaBoardES";
428 static void __init omap4_panda_init(void)
430 int package = OMAP_PACKAGE_CBS;
433 if (omap_rev() == OMAP4430_REV_ES1_0)
434 package = OMAP_PACKAGE_CBL;
435 omap4_mux_init(board_mux, NULL, package);
437 omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
438 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
440 pr_err("error setting wl12xx data: %d\n", ret);
442 omap4_panda_init_rev();
443 omap4_panda_i2c_init();
444 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
445 platform_device_register(&omap_vwlan_device);
447 omap_sdrc_init(NULL, NULL);
448 omap4_twl6030_hsmmc_init(mmc);
450 usb_musb_init(&musb_board_data);
451 omap4_panda_display_init();
454 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
455 /* Maintainer: David Anders - Texas Instruments Inc */
456 .atag_offset = 0x100,
457 .smp = smp_ops(omap4_smp_ops),
458 .reserve = omap_reserve,
459 .map_io = omap4_map_io,
460 .init_early = omap4430_init_early,
461 .init_irq = gic_init_irq,
462 .init_machine = omap4_panda_init,
463 .init_late = omap4430_init_late,
464 .init_time = omap4_local_timer_init,
465 .restart = omap44xx_restart,