Merge tag 'fbdev-fixes-for-3.3-1' of git://github.com/schandinat/linux-2.6
[~shefty/rdma-dev.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/regulator/machine.h>
29 #include <linux/regulator/fixed.h>
30 #include <linux/wl12xx.h>
31
32 #include <mach/hardware.h>
33 #include <asm/hardware/gic.h>
34 #include <asm/mach-types.h>
35 #include <asm/mach/arch.h>
36 #include <asm/mach/map.h>
37 #include <video/omapdss.h>
38
39 #include <plat/board.h>
40 #include "common.h"
41 #include <plat/usb.h>
42 #include <plat/mmc.h>
43 #include <video/omap-panel-dvi.h>
44
45 #include "hsmmc.h"
46 #include "control.h"
47 #include "mux.h"
48 #include "common-board-devices.h"
49
50 #define GPIO_HUB_POWER          1
51 #define GPIO_HUB_NRESET         62
52 #define GPIO_WIFI_PMENA         43
53 #define GPIO_WIFI_IRQ           53
54 #define HDMI_GPIO_CT_CP_HPD 60 /* HPD mode enable/disable */
55 #define HDMI_GPIO_LS_OE 41 /* Level shifter for HDMI */
56 #define HDMI_GPIO_HPD  63 /* Hotplug detect */
57
58 /* wl127x BT, FM, GPS connectivity chip */
59 static int wl1271_gpios[] = {46, -1, -1};
60 static struct platform_device wl1271_device = {
61         .name   = "kim",
62         .id     = -1,
63         .dev    = {
64                 .platform_data  = &wl1271_gpios,
65         },
66 };
67
68 static struct gpio_led gpio_leds[] = {
69         {
70                 .name                   = "pandaboard::status1",
71                 .default_trigger        = "heartbeat",
72                 .gpio                   = 7,
73         },
74         {
75                 .name                   = "pandaboard::status2",
76                 .default_trigger        = "mmc0",
77                 .gpio                   = 8,
78         },
79 };
80
81 static struct gpio_led_platform_data gpio_led_info = {
82         .leds           = gpio_leds,
83         .num_leds       = ARRAY_SIZE(gpio_leds),
84 };
85
86 static struct platform_device leds_gpio = {
87         .name   = "leds-gpio",
88         .id     = -1,
89         .dev    = {
90                 .platform_data  = &gpio_led_info,
91         },
92 };
93
94 static struct platform_device *panda_devices[] __initdata = {
95         &leds_gpio,
96         &wl1271_device,
97 };
98
99 static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
100         .port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
101         .port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
102         .port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
103         .phy_reset  = false,
104         .reset_gpio_port[0]  = -EINVAL,
105         .reset_gpio_port[1]  = -EINVAL,
106         .reset_gpio_port[2]  = -EINVAL
107 };
108
109 static struct gpio panda_ehci_gpios[] __initdata = {
110         { GPIO_HUB_POWER,       GPIOF_OUT_INIT_LOW,  "hub_power"  },
111         { GPIO_HUB_NRESET,      GPIOF_OUT_INIT_LOW,  "hub_nreset" },
112 };
113
114 static void __init omap4_ehci_init(void)
115 {
116         int ret;
117         struct clk *phy_ref_clk;
118
119         /* FREF_CLK3 provides the 19.2 MHz reference clock to the PHY */
120         phy_ref_clk = clk_get(NULL, "auxclk3_ck");
121         if (IS_ERR(phy_ref_clk)) {
122                 pr_err("Cannot request auxclk3\n");
123                 return;
124         }
125         clk_set_rate(phy_ref_clk, 19200000);
126         clk_enable(phy_ref_clk);
127
128         /* disable the power to the usb hub prior to init and reset phy+hub */
129         ret = gpio_request_array(panda_ehci_gpios,
130                                  ARRAY_SIZE(panda_ehci_gpios));
131         if (ret) {
132                 pr_err("Unable to initialize EHCI power/reset\n");
133                 return;
134         }
135
136         gpio_export(GPIO_HUB_POWER, 0);
137         gpio_export(GPIO_HUB_NRESET, 0);
138         gpio_set_value(GPIO_HUB_NRESET, 1);
139
140         usbhs_init(&usbhs_bdata);
141
142         /* enable power to hub */
143         gpio_set_value(GPIO_HUB_POWER, 1);
144 }
145
146 static struct omap_musb_board_data musb_board_data = {
147         .interface_type         = MUSB_INTERFACE_UTMI,
148         .mode                   = MUSB_OTG,
149         .power                  = 100,
150 };
151
152 static struct omap2_hsmmc_info mmc[] = {
153         {
154                 .mmc            = 1,
155                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
156                 .gpio_wp        = -EINVAL,
157                 .gpio_cd        = -EINVAL,
158         },
159         {
160                 .name           = "wl1271",
161                 .mmc            = 5,
162                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
163                 .gpio_wp        = -EINVAL,
164                 .gpio_cd        = -EINVAL,
165                 .ocr_mask       = MMC_VDD_165_195,
166                 .nonremovable   = true,
167         },
168         {}      /* Terminator */
169 };
170
171 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
172         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
173 };
174
175 static struct regulator_init_data panda_vmmc5 = {
176         .constraints = {
177                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
178         },
179         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
180         .consumer_supplies = omap4_panda_vmmc5_supply,
181 };
182
183 static struct fixed_voltage_config panda_vwlan = {
184         .supply_name = "vwl1271",
185         .microvolts = 1800000, /* 1.8V */
186         .gpio = GPIO_WIFI_PMENA,
187         .startup_delay = 70000, /* 70msec */
188         .enable_high = 1,
189         .enabled_at_boot = 0,
190         .init_data = &panda_vmmc5,
191 };
192
193 static struct platform_device omap_vwlan_device = {
194         .name           = "reg-fixed-voltage",
195         .id             = 1,
196         .dev = {
197                 .platform_data = &panda_vwlan,
198         },
199 };
200
201 struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
202         .irq = OMAP_GPIO_IRQ(GPIO_WIFI_IRQ),
203         /* PANDA ref clock is 38.4 MHz */
204         .board_ref_clock = 2,
205 };
206
207 static int omap4_twl6030_hsmmc_late_init(struct device *dev)
208 {
209         int ret = 0;
210         struct platform_device *pdev = container_of(dev,
211                                 struct platform_device, dev);
212         struct omap_mmc_platform_data *pdata = dev->platform_data;
213
214         if (!pdata) {
215                 dev_err(dev, "%s: NULL platform data\n", __func__);
216                 return -EINVAL;
217         }
218         /* Setting MMC1 Card detect Irq */
219         if (pdev->id == 0) {
220                 ret = twl6030_mmc_card_detect_config();
221                  if (ret)
222                         dev_err(dev, "%s: Error card detect config(%d)\n",
223                                 __func__, ret);
224                  else
225                         pdata->slots[0].card_detect = twl6030_mmc_card_detect;
226         }
227         return ret;
228 }
229
230 static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
231 {
232         struct omap_mmc_platform_data *pdata;
233
234         /* dev can be null if CONFIG_MMC_OMAP_HS is not set */
235         if (!dev) {
236                 pr_err("Failed omap4_twl6030_hsmmc_set_late_init\n");
237                 return;
238         }
239         pdata = dev->platform_data;
240
241         pdata->init =   omap4_twl6030_hsmmc_late_init;
242 }
243
244 static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
245 {
246         struct omap2_hsmmc_info *c;
247
248         omap2_hsmmc_init(controllers);
249         for (c = controllers; c->mmc; c++)
250                 omap4_twl6030_hsmmc_set_late_init(c->dev);
251
252         return 0;
253 }
254
255 /* Panda board uses the common PMIC configuration */
256 static struct twl4030_platform_data omap4_panda_twldata;
257
258 /*
259  * Display monitor features are burnt in their EEPROM as EDID data. The EEPROM
260  * is connected as I2C slave device, and can be accessed at address 0x50
261  */
262 static struct i2c_board_info __initdata panda_i2c_eeprom[] = {
263         {
264                 I2C_BOARD_INFO("eeprom", 0x50),
265         },
266 };
267
268 static int __init omap4_panda_i2c_init(void)
269 {
270         omap4_pmic_get_config(&omap4_panda_twldata, TWL_COMMON_PDATA_USB,
271                         TWL_COMMON_REGULATOR_VDAC |
272                         TWL_COMMON_REGULATOR_VAUX2 |
273                         TWL_COMMON_REGULATOR_VAUX3 |
274                         TWL_COMMON_REGULATOR_VMMC |
275                         TWL_COMMON_REGULATOR_VPP |
276                         TWL_COMMON_REGULATOR_VANA |
277                         TWL_COMMON_REGULATOR_VCXIO |
278                         TWL_COMMON_REGULATOR_VUSB |
279                         TWL_COMMON_REGULATOR_CLK32KG);
280         omap4_pmic_init("twl6030", &omap4_panda_twldata);
281         omap_register_i2c_bus(2, 400, NULL, 0);
282         /*
283          * Bus 3 is attached to the DVI port where devices like the pico DLP
284          * projector don't work reliably with 400kHz
285          */
286         omap_register_i2c_bus(3, 100, panda_i2c_eeprom,
287                                         ARRAY_SIZE(panda_i2c_eeprom));
288         omap_register_i2c_bus(4, 400, NULL, 0);
289         return 0;
290 }
291
292 #ifdef CONFIG_OMAP_MUX
293 static struct omap_board_mux board_mux[] __initdata = {
294         /* WLAN IRQ - GPIO 53 */
295         OMAP4_MUX(GPMC_NCS3, OMAP_MUX_MODE3 | OMAP_PIN_INPUT),
296         /* WLAN POWER ENABLE - GPIO 43 */
297         OMAP4_MUX(GPMC_A19, OMAP_MUX_MODE3 | OMAP_PIN_OUTPUT),
298         /* WLAN SDIO: MMC5 CMD */
299         OMAP4_MUX(SDMMC5_CMD, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
300         /* WLAN SDIO: MMC5 CLK */
301         OMAP4_MUX(SDMMC5_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
302         /* WLAN SDIO: MMC5 DAT[0-3] */
303         OMAP4_MUX(SDMMC5_DAT0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
304         OMAP4_MUX(SDMMC5_DAT1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
305         OMAP4_MUX(SDMMC5_DAT2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
306         OMAP4_MUX(SDMMC5_DAT3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLUP),
307         /* gpio 0 - TFP410 PD */
308         OMAP4_MUX(KPD_COL1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE3),
309         /* dispc2_data23 */
310         OMAP4_MUX(USBB2_ULPITLL_STP, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
311         /* dispc2_data22 */
312         OMAP4_MUX(USBB2_ULPITLL_DIR, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
313         /* dispc2_data21 */
314         OMAP4_MUX(USBB2_ULPITLL_NXT, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
315         /* dispc2_data20 */
316         OMAP4_MUX(USBB2_ULPITLL_DAT0, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
317         /* dispc2_data19 */
318         OMAP4_MUX(USBB2_ULPITLL_DAT1, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
319         /* dispc2_data18 */
320         OMAP4_MUX(USBB2_ULPITLL_DAT2, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
321         /* dispc2_data15 */
322         OMAP4_MUX(USBB2_ULPITLL_DAT3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
323         /* dispc2_data14 */
324         OMAP4_MUX(USBB2_ULPITLL_DAT4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
325         /* dispc2_data13 */
326         OMAP4_MUX(USBB2_ULPITLL_DAT5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
327         /* dispc2_data12 */
328         OMAP4_MUX(USBB2_ULPITLL_DAT6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
329         /* dispc2_data11 */
330         OMAP4_MUX(USBB2_ULPITLL_DAT7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
331         /* dispc2_data10 */
332         OMAP4_MUX(DPM_EMU3, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
333         /* dispc2_data9 */
334         OMAP4_MUX(DPM_EMU4, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
335         /* dispc2_data16 */
336         OMAP4_MUX(DPM_EMU5, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
337         /* dispc2_data17 */
338         OMAP4_MUX(DPM_EMU6, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
339         /* dispc2_hsync */
340         OMAP4_MUX(DPM_EMU7, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
341         /* dispc2_pclk */
342         OMAP4_MUX(DPM_EMU8, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
343         /* dispc2_vsync */
344         OMAP4_MUX(DPM_EMU9, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
345         /* dispc2_de */
346         OMAP4_MUX(DPM_EMU10, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
347         /* dispc2_data8 */
348         OMAP4_MUX(DPM_EMU11, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
349         /* dispc2_data7 */
350         OMAP4_MUX(DPM_EMU12, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
351         /* dispc2_data6 */
352         OMAP4_MUX(DPM_EMU13, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
353         /* dispc2_data5 */
354         OMAP4_MUX(DPM_EMU14, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
355         /* dispc2_data4 */
356         OMAP4_MUX(DPM_EMU15, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
357         /* dispc2_data3 */
358         OMAP4_MUX(DPM_EMU16, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
359         /* dispc2_data2 */
360         OMAP4_MUX(DPM_EMU17, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
361         /* dispc2_data1 */
362         OMAP4_MUX(DPM_EMU18, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
363         /* dispc2_data0 */
364         OMAP4_MUX(DPM_EMU19, OMAP_PIN_OUTPUT | OMAP_MUX_MODE5),
365         { .reg_offset = OMAP_MUX_TERMINATOR },
366 };
367
368 #else
369 #define board_mux       NULL
370 #endif
371
372 /* Display DVI */
373 #define PANDA_DVI_TFP410_POWER_DOWN_GPIO        0
374
375 static int omap4_panda_enable_dvi(struct omap_dss_device *dssdev)
376 {
377         gpio_set_value(dssdev->reset_gpio, 1);
378         return 0;
379 }
380
381 static void omap4_panda_disable_dvi(struct omap_dss_device *dssdev)
382 {
383         gpio_set_value(dssdev->reset_gpio, 0);
384 }
385
386 /* Using generic display panel */
387 static struct panel_dvi_platform_data omap4_dvi_panel = {
388         .platform_enable        = omap4_panda_enable_dvi,
389         .platform_disable       = omap4_panda_disable_dvi,
390         .i2c_bus_num = 3,
391 };
392
393 struct omap_dss_device omap4_panda_dvi_device = {
394         .type                   = OMAP_DISPLAY_TYPE_DPI,
395         .name                   = "dvi",
396         .driver_name            = "dvi",
397         .data                   = &omap4_dvi_panel,
398         .phy.dpi.data_lines     = 24,
399         .reset_gpio             = PANDA_DVI_TFP410_POWER_DOWN_GPIO,
400         .channel                = OMAP_DSS_CHANNEL_LCD2,
401 };
402
403 int __init omap4_panda_dvi_init(void)
404 {
405         int r;
406
407         /* Requesting TFP410 DVI GPIO and disabling it, at bootup */
408         r = gpio_request_one(omap4_panda_dvi_device.reset_gpio,
409                                 GPIOF_OUT_INIT_LOW, "DVI PD");
410         if (r)
411                 pr_err("Failed to get DVI powerdown GPIO\n");
412
413         return r;
414 }
415
416 static struct gpio panda_hdmi_gpios[] = {
417         { HDMI_GPIO_CT_CP_HPD, GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ct_cp_hpd" },
418         { HDMI_GPIO_LS_OE,      GPIOF_OUT_INIT_HIGH, "hdmi_gpio_ls_oe" },
419         { HDMI_GPIO_HPD, GPIOF_DIR_IN, "hdmi_gpio_hpd" },
420 };
421
422 static int omap4_panda_panel_enable_hdmi(struct omap_dss_device *dssdev)
423 {
424         int status;
425
426         status = gpio_request_array(panda_hdmi_gpios,
427                                     ARRAY_SIZE(panda_hdmi_gpios));
428         if (status)
429                 pr_err("Cannot request HDMI GPIOs\n");
430
431         return status;
432 }
433
434 static void omap4_panda_panel_disable_hdmi(struct omap_dss_device *dssdev)
435 {
436         gpio_free_array(panda_hdmi_gpios, ARRAY_SIZE(panda_hdmi_gpios));
437 }
438
439 static struct omap_dss_hdmi_data omap4_panda_hdmi_data = {
440         .hpd_gpio = HDMI_GPIO_HPD,
441 };
442
443 static struct omap_dss_device  omap4_panda_hdmi_device = {
444         .name = "hdmi",
445         .driver_name = "hdmi_panel",
446         .type = OMAP_DISPLAY_TYPE_HDMI,
447         .platform_enable = omap4_panda_panel_enable_hdmi,
448         .platform_disable = omap4_panda_panel_disable_hdmi,
449         .channel = OMAP_DSS_CHANNEL_DIGIT,
450         .data = &omap4_panda_hdmi_data,
451 };
452
453 static struct omap_dss_device *omap4_panda_dss_devices[] = {
454         &omap4_panda_dvi_device,
455         &omap4_panda_hdmi_device,
456 };
457
458 static struct omap_dss_board_info omap4_panda_dss_data = {
459         .num_devices    = ARRAY_SIZE(omap4_panda_dss_devices),
460         .devices        = omap4_panda_dss_devices,
461         .default_device = &omap4_panda_dvi_device,
462 };
463
464 void omap4_panda_display_init(void)
465 {
466         int r;
467
468         r = omap4_panda_dvi_init();
469         if (r)
470                 pr_err("error initializing panda DVI\n");
471
472         omap_display_init(&omap4_panda_dss_data);
473
474         /*
475          * OMAP4460SDP/Blaze and OMAP4430 ES2.3 SDP/Blaze boards and
476          * later have external pull up on the HDMI I2C lines
477          */
478         if (cpu_is_omap446x() || omap_rev() > OMAP4430_REV_ES2_2)
479                 omap_hdmi_init(OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP);
480         else
481                 omap_hdmi_init(0);
482
483         omap_mux_init_gpio(HDMI_GPIO_LS_OE, OMAP_PIN_OUTPUT);
484         omap_mux_init_gpio(HDMI_GPIO_CT_CP_HPD, OMAP_PIN_OUTPUT);
485         omap_mux_init_gpio(HDMI_GPIO_HPD, OMAP_PIN_INPUT_PULLDOWN);
486 }
487
488 static void __init omap4_panda_init(void)
489 {
490         int package = OMAP_PACKAGE_CBS;
491
492         if (omap_rev() == OMAP4430_REV_ES1_0)
493                 package = OMAP_PACKAGE_CBL;
494         omap4_mux_init(board_mux, NULL, package);
495
496         if (wl12xx_set_platform_data(&omap_panda_wlan_data))
497                 pr_err("error setting wl12xx data\n");
498
499         omap4_panda_i2c_init();
500         platform_add_devices(panda_devices, ARRAY_SIZE(panda_devices));
501         platform_device_register(&omap_vwlan_device);
502         omap_serial_init();
503         omap_sdrc_init(NULL, NULL);
504         omap4_twl6030_hsmmc_init(mmc);
505         omap4_ehci_init();
506         usb_musb_init(&musb_board_data);
507         omap4_panda_display_init();
508 }
509
510 MACHINE_START(OMAP4_PANDA, "OMAP4 Panda board")
511         /* Maintainer: David Anders - Texas Instruments Inc */
512         .atag_offset    = 0x100,
513         .reserve        = omap_reserve,
514         .map_io         = omap4_map_io,
515         .init_early     = omap4430_init_early,
516         .init_irq       = gic_init_irq,
517         .handle_irq     = gic_handle_irq,
518         .init_machine   = omap4_panda_init,
519         .timer          = &omap4_timer,
520         .restart        = omap_prcm_restart,
521 MACHINE_END