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1/*
2 * Board support file for OMAP4430 based PandaBoard.
3 *
4 * Copyright (C) 2010 Texas Instruments
5 *
6 * Author: David Anders <x0132446@ti.com>
7 *
8 * Based on mach-omap2/board-4430sdp.c
9 *
10 * Author: Santosh Shilimkar <santosh.shilimkar@ti.com>
11 *
12 * Based on mach-omap2/board-3430sdp.c
13 *
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.
17 */
18
19#include <linux/kernel.h>
20#include <linux/init.h>
21#include <linux/platform_device.h>
22#include <linux/clk.h>
23#include <linux/io.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/wl12xx.h>
33#include <linux/platform_data/omap-abe-twl6040.h>
34
35#include <mach/hardware.h>
36#include <asm/hardware/gic.h>
37#include <asm/mach-types.h>
38#include <asm/mach/arch.h>
39#include <asm/mach/map.h>
40#include <video/omapdss.h>
41
42#include <plat/board.h>
43#include "common.h"
44#include <plat/usb.h>
45#include <plat/mmc.h>
46#include <video/omap-panel-tfp410.h>
47
48#include "hsmmc.h"
49#include "control.h"
50#include "mux.h"
51#include "common-board-devices.h"
52
53#define GPIO_HUB_POWER 1
54#define GPIO_HUB_NRESET 62
55#define GPIO_WIFI_PMENA 43
56#define GPIO_WIFI_IRQ 53
57#define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
58#define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
59#define HDMI_GPIO_HPD 63 /* Hotplug detect */
60
61/* wl127x BT, FM, GPS connectivity chip */
62static struct ti_st_plat_data wilink_platform_data = {
63 .nshutdown_gpio = 46,
64 .dev_name = "/dev/ttyO1",
65 .flow_cntrl = 1,
66 .baud_rate = 3000000,
67 .chip_enable = NULL,
68 .suspend = NULL,
69 .resume = NULL,
70};
71
72static struct platform_device wl1271_device = {
73 .name = "kim",
74 .id = -1,
75 .dev = {
76 .platform_data = &wilink_platform_data,
77 },
78};
79
80static struct gpio_led gpio_leds[] = {
81 {
82 .name = "pandaboard::status1",
83 .default_trigger = "heartbeat",
84 .gpio = 7,
85 },
86 {
87 .name = "pandaboard::status2",
88 .default_trigger = "mmc0",
89 .gpio = 8,
90 },
91};
92
93static struct gpio_led_platform_data gpio_led_info = {
94 .leds = gpio_leds,
95 .num_leds = ARRAY_SIZE(gpio_leds),
96};
97
98static struct platform_device leds_gpio = {
99 .name = "leds-gpio",
100 .id = -1,
101 .dev = {
102 .platform_data = &gpio_led_info,
103 },
104};
105
106static struct omap_abe_twl6040_data panda_abe_audio_data = {
107 /* Audio out */
108 .has_hs = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
109 /* HandsFree through expasion connector */
110 .has_hf = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
111 /* PandaBoard: FM TX, PandaBoardES: can be connected to audio out */
112 .has_aux = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
113 /* PandaBoard: FM RX, PandaBoardES: audio in */
114 .has_afm = ABE_TWL6040_LEFT | ABE_TWL6040_RIGHT,
115 /* No jack detection. */
116 .jack_detection = 0,
117 /* MCLK input is 38.4MHz */
118 .mclk_freq = 38400000,
119
120};
121
122static struct platform_device panda_abe_audio = {
123 .name = "omap-abe-twl6040",
124 .id = -1,
125 .dev = {
126 .platform_data = &panda_abe_audio_data,
127 },
128};
129
130static struct platform_device panda_hdmi_audio_codec = {
131 .name = "hdmi-audio-codec",
132 .id = -1,
133};
134
135static struct platform_device btwilink_device = {
136 .name = "btwilink",
137 .id = -1,
138};
139
140static struct platform_device *panda_devices[] __initdata = {
141 &leds_gpio,
142 &wl1271_device,
143 &panda_abe_audio,
144 &panda_hdmi_audio_codec,
145 &btwilink_device,
146};
147
148static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
149 .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
150 .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
151 .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
152 .phy_reset = false,
153 .reset_gpio_port[0] = -EINVAL,
154 .reset_gpio_port[1] = -EINVAL,
155 .reset_gpio_port[2] = -EINVAL
156};
157
158static struct gpio panda_ehci_gpios[] __initdata = {
159 { GPIO_HUB_POWER, GPIOF_OUT_INIT_LOW, "hub_power" },
160 { GPIO_HUB_NRESET, GPIOF_OUT_INIT_LOW, "hub_nreset" },
161};
162
163static void __init omap4_ehci_init(void)
164{
165 int ret;
166 struct clk *phy_ref_clk;
167
168 /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
169 phy_ref_clk = clk_get(NULL, "auxclk3_ck");
170 if (IS_ERR(phy_ref_clk)) {
171 pr_err("Cannot request auxclk3\n");
172 return;
173 }
174 clk_set_rate(phy_ref_clk, 19200000);
175 clk_enable(phy_ref_clk);
176
177 /* disable the power to the usb hub prior to init and reset phy+hub */
178 ret = gpio_request_array(panda_ehci_gpios,
179 ARRAY_SIZE(panda_ehci_gpios));
180 if (ret) {
181 pr_err("Unable to initialize EHCI power/reset\n");
182 return;
183 }
184
185 gpio_export(GPIO_HUB_POWER, 0);
186 gpio_export(GPIO_HUB_NRESET, 0);
187 gpio_set_value(GPIO_HUB_NRESET, 1);
188
189 usbhs_init(&usbhs_bdata);
190
191 /* enable power to hub */
192 gpio_set_value(GPIO_HUB_POWER, 1);
193}
194
195static struct omap_musb_board_data musb_board_data = {
196 .interface_type = MUSB_INTERFACE_UTMI,
197 .mode = MUSB_OTG,
198 .power = 100,
199};
200
201static struct omap2_hsmmc_info mmc[] = {
202 {
203 .mmc = 1,
204 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
205 .gpio_wp = -EINVAL,
206 .gpio_cd = -EINVAL,
207 },
208 {
209 .name = "wl1271",
210 .mmc = 5,
211 .caps = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
212 .gpio_wp = -EINVAL,
213 .gpio_cd = -EINVAL,
214 .ocr_mask = MMC_VDD_165_195,
215 .nonremovable = true,
216 },
217 {} /* Terminator */
218};
219
220static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
221 REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
222};
223
224static struct regulator_init_data panda_vmmc5 = {
225 .constraints = {
226 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
227 },
228 .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
229 .consumer_supplies = omap4_panda_vmmc5_supply,
230};
231
232static struct fixed_voltage_config panda_vwlan = {
233 .supply_name = "vwl1271",
234 .microvolts = 1800000, /* 1.8V */
235 .gpio = GPIO_WIFI_PMENA,
236 .startup_delay = 70000, /* 70msec */
237 .enable_high = 1,
238 .enabled_at_boot = 0,
239 .init_data = &panda_vmmc5,
240};
241
242static struct platform_device omap_vwlan_device = {
243 .name = "reg-fixed-voltage",
244 .id = 1,
245 .dev = {
246 .platform_data = &panda_vwlan,
247 },
248};
249
250static struct wl12xx_platform_data omap_panda_wlan_data __initdata = {
251 /* PANDA ref clock is 38.4 MHz */
252 .board_ref_clock = 2,
253};
254
255static struct twl6040_codec_data twl6040_codec = {
256 /* single-step ramp for headset and handsfree */
257 .hs_left_step = 0x0f,
258 .hs_right_step = 0x0f,
259 .hf_left_step = 0x1d,
260 .hf_right_step = 0x1d,
261};
262
263static struct twl6040_platform_data twl6040_data = {
264 .codec = &twl6040_codec,
265 .audpwron_gpio = 127,
266 .irq_base = TWL6040_CODEC_IRQ_BASE,
267};
268
269/* Panda board uses the common PMIC configuration */
270static struct twl4030_platform_data omap4_panda_twldata;
271
272/*
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
275 */
276static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
277 {
278 I2C_BOARD_INFO("eeprom", 0x50),
279 },
280};
281
282static int __init omap4_panda_i2c_init(void)
283{
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,
297 &twl6040_data, OMAP44XX_IRQ_SYS_2N);
298 omap_register_i2c_bus(2, 400, NULL, 0);
299 /*
300 * Bus 3 is attached to the DVI port where devices like the pico DLP
301 * projector don't work reliably with 400kHz
302 */
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);
306 return 0;
307}
308
309#ifdef CONFIG_OMAP_MUX
310static 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),
326 /* dispc2_data23 */
327 OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
328 /* dispc2_data22 */
329 OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
330 /* dispc2_data21 */
331 OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
332 /* dispc2_data20 */
333 OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
334 /* dispc2_data19 */
335 OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
336 /* dispc2_data18 */
337 OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
338 /* dispc2_data15 */
339 OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
340 /* dispc2_data14 */
341 OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
342 /* dispc2_data13 */
343 OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
344 /* dispc2_data12 */
345 OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
346 /* dispc2_data11 */
347 OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
348 /* dispc2_data10 */
349 OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
350 /* dispc2_data9 */
351 OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
352 /* dispc2_data16 */
353 OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
354 /* dispc2_data17 */
355 OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
356 /* dispc2_hsync */
357 OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
358 /* dispc2_pclk */
359 OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
360 /* dispc2_vsync */
361 OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
362 /* dispc2_de */
363 OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
364 /* dispc2_data8 */
365 OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
366 /* dispc2_data7 */
367 OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
368 /* dispc2_data6 */
369 OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
370 /* dispc2_data5 */
371 OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
372 /* dispc2_data4 */
373 OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
374 /* dispc2_data3 */
375 OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
376 /* dispc2_data2 */
377 OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
378 /* dispc2_data1 */
379 OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
380 /* dispc2_data0 */
381 OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
382 { .reg_offset = OMAP_MUX_TERMINATOR },
383};
384
385#else
386#define board_mux NULL
387#endif
388
389/* Display DVI */
390#define PANDA_DVI_TFP410_POWER_DOWN_GPIO 0
391
392/* Using generic display panel */
393static struct tfp410_platform_data omap4_dvi_panel = {
394 .i2c_bus_num = 3,
395 .power_down_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
396};
397
398static struct omap_dss_device omap4_panda_dvi_device = {
399 .type = OMAP_DISPLAY_TYPE_DPI,
400 .name = "dvi",
401 .driver_name = "tfp410",
402 .data = &omap4_dvi_panel,
403 .phy.dpi.data_lines = 24,
404 .reset_gpio = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
405 .channel = OMAP_DSS_CHANNEL_LCD2,
406};
407
408static struct gpio panda_hdmi_gpios[] = {
409 { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
410 { HDMI_GPIO_LS_OE, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
411 { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
412};
413
414static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
415{
416 int status;
417
418 status = gpio_request_array(panda_hdmi_gpios,
419 ARRAY_SIZE(panda_hdmi_gpios));
420 if (status)
421 pr_err("Cannot request HDMI GPIOs\n");
422
423 return status;
424}
425
426static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
427{
428 gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
429}
430
431static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
432 .hpd_gpio = HDMI_GPIO_HPD,
433};
434
435static struct omap_dss_device omap4_panda_hdmi_device = {
436 .name = "hdmi",
437 .driver_name = "hdmi_panel",
438 .type = OMAP_DISPLAY_TYPE_HDMI,
439 .platform_enable = omap4_panda_panel_enable_hdmi,
440 .platform_disable = omap4_panda_panel_disable_hdmi,
441 .channel = OMAP_DSS_CHANNEL_DIGIT,
442 .data = &omap4_panda_hdmi_data,
443};
444
445static struct omap_dss_device *omap4_panda_dss_devices[] = {
446 &omap4_panda_dvi_device,
447 &omap4_panda_hdmi_device,
448};
449
450static struct omap_dss_board_info omap4_panda_dss_data = {
451 .num_devices = ARRAY_SIZE(omap4_panda_dss_devices),
452 .devices = omap4_panda_dss_devices,
453 .default_device = &omap4_panda_dvi_device,
454};
455
456static void __init omap4_panda_display_init(void)
457{
458
459 omap_display_init(&omap4_panda_dss_data);
460
461 /*
462 * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
463 * later have external pull up on the HDMI I2C lines
464 */
465 if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
466 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
467 else
468 omap_hdmi_init(0);
469
470 omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
471 omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
472 omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
473}
474
475static void omap4_panda_init_rev(void)
476{
477 if (cpu_is_omap443x()) {
478 /* PandaBoard 4430 */
479 /* ASoC audio configuration */
480 panda_abe_audio_data.card_name = "PandaBoard";
481 panda_abe_audio_data.has_hsmic = 1;
482 } else {
483 /* PandaBoard ES */
484 /* ASoC audio configuration */
485 panda_abe_audio_data.card_name = "PandaBoardES";
486 }
487}
488
489static void __init omap4_panda_init(void)
490{
491 int package = OMAP_PACKAGE_CBS;
492 int ret;
493
494 if (omap_rev() == OMAP4430_REV_ES1_0)
495 package = OMAP_PACKAGE_CBL;
496 omap4_mux_init(board_mux, NULL, package);
497
498 omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
499 ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
500 if (ret)
501 pr_err("error setting wl12xx data: %d\n", ret);
502
503 omap4_panda_init_rev();
504 omap4_panda_i2c_init();
505 platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
506 platform_device_register(&omap_vwlan_device);
507 omap_serial_init();
508 omap_sdrc_init(NULL, NULL);
509 omap4_twl6030_hsmmc_init(mmc);
510 omap4_ehci_init();
511 usb_musb_init(&musb_board_data);
512 omap4_panda_display_init();
513}
514
515MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
516 /* Maintainer: David Anders - Texas Instruments Inc */
517 .atag_offset = 0x100,
518 .reserve = omap_reserve,
519 .map_io = omap4_map_io,
520 .init_early = omap4430_init_early,
521 .init_irq = gic_init_irq,
522 .handle_irq = gic_handle_irq,
523 .init_machine = omap4_panda_init,
524 .init_late = omap4430_init_late,
525 .timer = &omap4_timer,
526 .restart = omap_prcm_restart,
527MACHINE_END