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[karo-tx-linux.git] / arch / arm / mach-omap2 / board-omap4panda.c
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 */
62 static 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
72 static struct platform_device wl1271_device = {
73         .name   = "kim",
74         .id     = -1,
75         .dev    = {
76                 .platform_data  = &wilink_platform_data,
77         },
78 };
79
80 static 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
93 static struct gpio_led_platform_data gpio_led_info = {
94         .leds           = gpio_leds,
95         .num_leds       = ARRAY_SIZE(gpio_leds),
96 };
97
98 static struct platform_device leds_gpio = {
99         .name   = "leds-gpio",
100         .id     = -1,
101         .dev    = {
102                 .platform_data  = &gpio_led_info,
103         },
104 };
105
106 static 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
122 static 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
130 static struct platform_device panda_hdmi_audio_codec = {
131         .name   = "hdmi-audio-codec",
132         .id     = -1,
133 };
134
135 static struct platform_device btwilink_device = {
136         .name   = "btwilink",
137         .id     = -1,
138 };
139
140 static 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
148 static 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
158 static 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
163 static 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
195 static struct omap_musb_board_data musb_board_data = {
196         .interface_type         = MUSB_INTERFACE_UTMI,
197         .mode                   = MUSB_OTG,
198         .power                  = 100,
199 };
200
201 static 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
220 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
221         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
222 };
223
224 static 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
232 static 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
242 static struct platform_device omap_vwlan_device = {
243         .name           = "reg-fixed-voltage",
244         .id             = 1,
245         .dev = {
246                 .platform_data = &panda_vwlan,
247         },
248 };
249
250 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
251         /* PANDA ref clock is 38.4 MHz */
252         .board_ref_clock = 2,
253 };
254
255 static 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
263 static 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 */
270 static 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  */
276 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
277         {
278                 I2C_BOARD_INFO("eeprom", 0x50),
279         },
280 };
281
282 static 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
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),
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 */
393 static struct tfp410_platform_data omap4_dvi_panel = {
394         .i2c_bus_num            = 3,
395         .power_down_gpio        = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
396 };
397
398 static 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
408 static 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
414 static 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
426 static 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
431 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
432         .hpd_gpio = HDMI_GPIO_HPD,
433 };
434
435 static 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
445 static struct omap_dss_device *omap4_panda_dss_devices[] = {
446         &omap4_panda_dvi_device,
447         &omap4_panda_hdmi_device,
448 };
449
450 static 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
456 static 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
475 static 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
489 static 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
515 MACHINE_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,
527 MACHINE_END