Merge branch 'irqchip/gic-vic-move' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-3.10.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/usb/musb.h>
33 #include <linux/wl12xx.h>
34 #include <linux/irqchip/arm-gic.h>
35 #include <linux/platform_data/omap-abe-twl6040.h>
36
37 #include <asm/mach-types.h>
38 #include <asm/mach/arch.h>
39 #include <asm/mach/map.h>
40
41 #include "common.h"
42 #include "soc.h"
43 #include "mmc.h"
44 #include "hsmmc.h"
45 #include "control.h"
46 #include "mux.h"
47 #include "common-board-devices.h"
48 #include "dss-common.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
55 /* wl127x BT, FM, GPS connectivity chip */
56 static struct ti_st_plat_data wilink_platform_data = {
57         .nshutdown_gpio = 46,
58         .dev_name       = "/dev/ttyO1",
59         .flow_cntrl     = 1,
60         .baud_rate      = 3000000,
61         .chip_enable    = NULL,
62         .suspend        = NULL,
63         .resume         = NULL,
64 };
65
66 static struct platform_device wl1271_device = {
67         .name   = "kim",
68         .id     = -1,
69         .dev    = {
70                 .platform_data  = &wilink_platform_data,
71         },
72 };
73
74 static struct gpio_led gpio_leds[] = {
75         {
76                 .name                   = "pandaboard::status1",
77                 .default_trigger        = "heartbeat",
78                 .gpio                   = 7,
79         },
80         {
81                 .name                   = "pandaboard::status2",
82                 .default_trigger        = "mmc0",
83                 .gpio                   = 8,
84         },
85 };
86
87 static struct gpio_led_platform_data gpio_led_info = {
88         .leds           = gpio_leds,
89         .num_leds       = ARRAY_SIZE(gpio_leds),
90 };
91
92 static struct platform_device leds_gpio = {
93         .name   = "leds-gpio",
94         .id     = -1,
95         .dev    = {
96                 .platform_data  = &gpio_led_info,
97         },
98 };
99
100 static struct omap_abe_twl6040_data panda_abe_audio_data = {
101         /* Audio out */
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. */
110         .jack_detection = 0,
111         /* MCLK input is 38.4MHz */
112         .mclk_freq      = 38400000,
113
114 };
115
116 static struct platform_device panda_abe_audio = {
117         .name           = "omap-abe-twl6040",
118         .id             = -1,
119         .dev = {
120                 .platform_data = &panda_abe_audio_data,
121         },
122 };
123
124 static struct platform_device panda_hdmi_audio_codec = {
125         .name   = "hdmi-audio-codec",
126         .id     = -1,
127 };
128
129 static struct platform_device btwilink_device = {
130         .name   = "btwilink",
131         .id     = -1,
132 };
133
134 static struct platform_device *panda_devices[] __initdata = {
135         &leds_gpio,
136         &wl1271_device,
137         &panda_abe_audio,
138         &panda_hdmi_audio_codec,
139         &btwilink_device,
140 };
141
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,
146         .phy_reset  = false,
147         .reset_gpio_port[0]  = -EINVAL,
148         .reset_gpio_port[1]  = -EINVAL,
149         .reset_gpio_port[2]  = -EINVAL
150 };
151
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" },
155 };
156
157 static void __init omap4_ehci_init(void)
158 {
159         int ret;
160         struct clk *phy_ref_clk;
161
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");
166                 return;
167         }
168         clk_set_rate(phy_ref_clk, 19200000);
169         clk_prepare_enable(phy_ref_clk);
170
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));
174         if (ret) {
175                 pr_err("Unable to initialize EHCI power/reset\n");
176                 return;
177         }
178
179         gpio_export(GPIO_HUB_POWER, 0);
180         gpio_export(GPIO_HUB_NRESET, 0);
181         gpio_set_value(GPIO_HUB_NRESET, 1);
182
183         usbhs_init(&usbhs_bdata);
184
185         /* enable power to hub */
186         gpio_set_value(GPIO_HUB_POWER, 1);
187 }
188
189 static struct omap_musb_board_data musb_board_data = {
190         .interface_type         = MUSB_INTERFACE_UTMI,
191         .mode                   = MUSB_OTG,
192         .power                  = 100,
193 };
194
195 static struct omap2_hsmmc_info mmc[] = {
196         {
197                 .mmc            = 1,
198                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA,
199                 .gpio_wp        = -EINVAL,
200                 .gpio_cd        = -EINVAL,
201         },
202         {
203                 .name           = "wl1271",
204                 .mmc            = 5,
205                 .caps           = MMC_CAP_4_BIT_DATA | MMC_CAP_POWER_OFF_CARD,
206                 .gpio_wp        = -EINVAL,
207                 .gpio_cd        = -EINVAL,
208                 .ocr_mask       = MMC_VDD_165_195,
209                 .nonremovable   = true,
210         },
211         {}      /* Terminator */
212 };
213
214 static struct regulator_consumer_supply omap4_panda_vmmc5_supply[] = {
215         REGULATOR_SUPPLY("vmmc", "omap_hsmmc.4"),
216 };
217
218 static struct regulator_init_data panda_vmmc5 = {
219         .constraints = {
220                 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
221         },
222         .num_consumer_supplies = ARRAY_SIZE(omap4_panda_vmmc5_supply),
223         .consumer_supplies = omap4_panda_vmmc5_supply,
224 };
225
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 */
231         .enable_high = 1,
232         .enabled_at_boot = 0,
233         .init_data = &panda_vmmc5,
234 };
235
236 static struct platform_device omap_vwlan_device = {
237         .name           = "reg-fixed-voltage",
238         .id             = 1,
239         .dev = {
240                 .platform_data = &panda_vwlan,
241         },
242 };
243
244 static struct wl12xx_platform_data omap_panda_wlan_data  __initdata = {
245         .board_ref_clock = WL12XX_REFCLOCK_38, /* 38.4 MHz */
246 };
247
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,
254 };
255
256 static struct twl6040_platform_data twl6040_data = {
257         .codec          = &twl6040_codec,
258         .audpwron_gpio  = 127,
259 };
260
261 static struct i2c_board_info __initdata panda_i2c_1_boardinfo[] = {
262         {
263                 I2C_BOARD_INFO("twl6040", 0x4b),
264                 .irq = 119 + OMAP44XX_IRQ_GIC_START,
265                 .platform_data = &twl6040_data,
266         },
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, panda_i2c_1_boardinfo,
297                         ARRAY_SIZE(panda_i2c_1_boardinfo));
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         /* 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),
387         /* McPDM */
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),
393         /* McBSP1 */
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 |
397                   OMAP_PULL_ENA),
398         OMAP4_MUX(ABE_MCBSP1_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
399
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),
405
406         { .reg_offset = OMAP_MUX_TERMINATOR },
407 };
408
409 #else
410 #define board_mux       NULL
411 #endif
412
413
414 static void omap4_panda_init_rev(void)
415 {
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;
421         } else {
422                 /* PandaBoard ES */
423                 /* ASoC audio configuration */
424                 panda_abe_audio_data.card_name = "PandaBoardES";
425         }
426 }
427
428 static void __init omap4_panda_init(void)
429 {
430         int package = OMAP_PACKAGE_CBS;
431         int ret;
432
433         if (omap_rev() == OMAP4430_REV_ES1_0)
434                 package = OMAP_PACKAGE_CBL;
435         omap4_mux_init(board_mux, NULL, package);
436
437         omap_panda_wlan_data.irq = gpio_to_irq(GPIO_WIFI_IRQ);
438         ret = wl12xx_set_platform_data(&omap_panda_wlan_data);
439         if (ret)
440                 pr_err("error setting wl12xx data: %d\n", ret);
441
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);
446         omap_serial_init();
447         omap_sdrc_init(NULL, NULL);
448         omap4_twl6030_hsmmc_init(mmc);
449         omap4_ehci_init();
450         usb_musb_init(&musb_board_data);
451         omap4_panda_display_init();
452 }
453
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         .timer          = &omap4_timer,
465         .restart        = omap44xx_restart,
466 MACHINE_END