1/*
2 * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
3 * Copyright (C) 2009 Marc Kleine-Budde, Pengutronix
4 *
5 * Author: Fabio Estevam <fabio.estevam@freescale.com>
6 *
7 * Copyright (C) 2011 Meprolight, Ltd.
8 * Alex Gershgorin <alexg@meprolight.com>
9 *
10 * Modified from i.MX31 3-Stack Development System
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
16 *
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 * GNU General Public License for more details.
21 */
22
23/*
24 * This machine is known as:
25 *  - i.MX35 3-Stack Development System
26 *  - i.MX35 Platform Development Kit (i.MX35 PDK)
27 */
28
29#include <linux/types.h>
30#include <linux/init.h>
31#include <linux/platform_device.h>
32#include <linux/memory.h>
33#include <linux/gpio.h>
34#include <linux/usb/otg.h>
35
36#include <linux/mtd/physmap.h>
37#include <linux/mfd/mc13892.h>
38#include <linux/regulator/machine.h>
39
40#include <asm/mach-types.h>
41#include <asm/mach/arch.h>
42#include <asm/mach/time.h>
43#include <asm/mach/map.h>
44#include <asm/memblock.h>
45
46#include <video/platform_lcd.h>
47
48#include <media/soc_camera.h>
49
50#include "3ds_debugboard.h"
51#include "common.h"
52#include "devices-imx35.h"
53#include "ehci.h"
54#include "hardware.h"
55#include "iomux-mx35.h"
56
57#define GPIO_MC9S08DZ60_GPS_ENABLE 0
58#define GPIO_MC9S08DZ60_HDD_ENABLE 4
59#define GPIO_MC9S08DZ60_WIFI_ENABLE 5
60#define GPIO_MC9S08DZ60_LCD_ENABLE 6
61#define GPIO_MC9S08DZ60_SPEAKER_ENABLE 8
62
63static const struct fb_videomode fb_modedb[] = {
64	{
65		 /* 800x480 @ 55 Hz */
66		.name = "Ceramate-CLAA070VC01",
67		.refresh = 55,
68		.xres = 800,
69		.yres = 480,
70		.pixclock = 40000,
71		.left_margin = 40,
72		.right_margin = 40,
73		.upper_margin = 5,
74		.lower_margin = 5,
75		.hsync_len = 20,
76		.vsync_len = 10,
77		.sync = FB_SYNC_OE_ACT_HIGH,
78		.vmode = FB_VMODE_NONINTERLACED,
79		.flag = 0,
80	 },
81};
82
83static struct mx3fb_platform_data mx3fb_pdata __initdata = {
84	.name = "Ceramate-CLAA070VC01",
85	.mode = fb_modedb,
86	.num_modes = ARRAY_SIZE(fb_modedb),
87};
88
89static struct i2c_board_info __initdata i2c_devices_3ds[] = {
90	{
91		I2C_BOARD_INFO("mc9s08dz60", 0x69),
92	},
93};
94
95static int lcd_power_gpio = -ENXIO;
96
97static int mc9s08dz60_gpiochip_match(struct gpio_chip *chip, void *data)
98{
99	return !strcmp(chip->label, data);
100}
101
102static void mx35_3ds_lcd_set_power(
103				struct plat_lcd_data *pd, unsigned int power)
104{
105	struct gpio_chip *chip;
106
107	if (!gpio_is_valid(lcd_power_gpio)) {
108		chip = gpiochip_find(
109				"mc9s08dz60", mc9s08dz60_gpiochip_match);
110		if (chip) {
111			lcd_power_gpio =
112				chip->base + GPIO_MC9S08DZ60_LCD_ENABLE;
113			if (gpio_request(lcd_power_gpio, "lcd_power") < 0) {
114				pr_err("error: gpio already requested!\n");
115				lcd_power_gpio = -ENXIO;
116			}
117		} else {
118			pr_err("error: didn't find mc9s08dz60 gpio chip\n");
119		}
120	}
121
122	if (gpio_is_valid(lcd_power_gpio))
123		gpio_set_value_cansleep(lcd_power_gpio, power);
124}
125
126static struct plat_lcd_data mx35_3ds_lcd_data = {
127	.set_power = mx35_3ds_lcd_set_power,
128};
129
130static struct platform_device mx35_3ds_lcd = {
131	.name = "platform-lcd",
132	.dev.platform_data = &mx35_3ds_lcd_data,
133};
134
135static const struct imxuart_platform_data uart_pdata __initconst = {
136	.flags = IMXUART_HAVE_RTSCTS,
137};
138
139static struct physmap_flash_data mx35pdk_flash_data = {
140	.width  = 2,
141};
142
143static struct resource mx35pdk_flash_resource = {
144	.start	= MX35_CS0_BASE_ADDR,
145	.end	= MX35_CS0_BASE_ADDR + SZ_64M - 1,
146	.flags	= IORESOURCE_MEM,
147};
148
149static struct platform_device mx35pdk_flash = {
150	.name	= "physmap-flash",
151	.id	= 0,
152	.dev	= {
153		.platform_data  = &mx35pdk_flash_data,
154	},
155	.resource = &mx35pdk_flash_resource,
156	.num_resources = 1,
157};
158
159static const struct mxc_nand_platform_data mx35pdk_nand_board_info __initconst = {
160	.width = 1,
161	.hw_ecc = 1,
162	.flash_bbt = 1,
163};
164
165static struct platform_device *devices[] __initdata = {
166	&mx35pdk_flash,
167};
168
169static const iomux_v3_cfg_t mx35pdk_pads[] __initconst = {
170	/* UART1 */
171	MX35_PAD_CTS1__UART1_CTS,
172	MX35_PAD_RTS1__UART1_RTS,
173	MX35_PAD_TXD1__UART1_TXD_MUX,
174	MX35_PAD_RXD1__UART1_RXD_MUX,
175	/* FEC */
176	MX35_PAD_FEC_TX_CLK__FEC_TX_CLK,
177	MX35_PAD_FEC_RX_CLK__FEC_RX_CLK,
178	MX35_PAD_FEC_RX_DV__FEC_RX_DV,
179	MX35_PAD_FEC_COL__FEC_COL,
180	MX35_PAD_FEC_RDATA0__FEC_RDATA_0,
181	MX35_PAD_FEC_TDATA0__FEC_TDATA_0,
182	MX35_PAD_FEC_TX_EN__FEC_TX_EN,
183	MX35_PAD_FEC_MDC__FEC_MDC,
184	MX35_PAD_FEC_MDIO__FEC_MDIO,
185	MX35_PAD_FEC_TX_ERR__FEC_TX_ERR,
186	MX35_PAD_FEC_RX_ERR__FEC_RX_ERR,
187	MX35_PAD_FEC_CRS__FEC_CRS,
188	MX35_PAD_FEC_RDATA1__FEC_RDATA_1,
189	MX35_PAD_FEC_TDATA1__FEC_TDATA_1,
190	MX35_PAD_FEC_RDATA2__FEC_RDATA_2,
191	MX35_PAD_FEC_TDATA2__FEC_TDATA_2,
192	MX35_PAD_FEC_RDATA3__FEC_RDATA_3,
193	MX35_PAD_FEC_TDATA3__FEC_TDATA_3,
194	/* USBOTG */
195	MX35_PAD_USBOTG_PWR__USB_TOP_USBOTG_PWR,
196	MX35_PAD_USBOTG_OC__USB_TOP_USBOTG_OC,
197	/* USBH1 */
198	MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
199	MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
200	/* SDCARD */
201	MX35_PAD_SD1_CMD__ESDHC1_CMD,
202	MX35_PAD_SD1_CLK__ESDHC1_CLK,
203	MX35_PAD_SD1_DATA0__ESDHC1_DAT0,
204	MX35_PAD_SD1_DATA1__ESDHC1_DAT1,
205	MX35_PAD_SD1_DATA2__ESDHC1_DAT2,
206	MX35_PAD_SD1_DATA3__ESDHC1_DAT3,
207	/* I2C1 */
208	MX35_PAD_I2C1_CLK__I2C1_SCL,
209	MX35_PAD_I2C1_DAT__I2C1_SDA,
210	/* Display */
211	MX35_PAD_LD0__IPU_DISPB_DAT_0,
212	MX35_PAD_LD1__IPU_DISPB_DAT_1,
213	MX35_PAD_LD2__IPU_DISPB_DAT_2,
214	MX35_PAD_LD3__IPU_DISPB_DAT_3,
215	MX35_PAD_LD4__IPU_DISPB_DAT_4,
216	MX35_PAD_LD5__IPU_DISPB_DAT_5,
217	MX35_PAD_LD6__IPU_DISPB_DAT_6,
218	MX35_PAD_LD7__IPU_DISPB_DAT_7,
219	MX35_PAD_LD8__IPU_DISPB_DAT_8,
220	MX35_PAD_LD9__IPU_DISPB_DAT_9,
221	MX35_PAD_LD10__IPU_DISPB_DAT_10,
222	MX35_PAD_LD11__IPU_DISPB_DAT_11,
223	MX35_PAD_LD12__IPU_DISPB_DAT_12,
224	MX35_PAD_LD13__IPU_DISPB_DAT_13,
225	MX35_PAD_LD14__IPU_DISPB_DAT_14,
226	MX35_PAD_LD15__IPU_DISPB_DAT_15,
227	MX35_PAD_LD16__IPU_DISPB_DAT_16,
228	MX35_PAD_LD17__IPU_DISPB_DAT_17,
229	MX35_PAD_D3_HSYNC__IPU_DISPB_D3_HSYNC,
230	MX35_PAD_D3_FPSHIFT__IPU_DISPB_D3_CLK,
231	MX35_PAD_D3_DRDY__IPU_DISPB_D3_DRDY,
232	MX35_PAD_CONTRAST__IPU_DISPB_CONTR,
233	MX35_PAD_D3_VSYNC__IPU_DISPB_D3_VSYNC,
234	MX35_PAD_D3_REV__IPU_DISPB_D3_REV,
235	MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
236	/* CSI */
237	MX35_PAD_TX1__IPU_CSI_D_6,
238	MX35_PAD_TX0__IPU_CSI_D_7,
239	MX35_PAD_CSI_D8__IPU_CSI_D_8,
240	MX35_PAD_CSI_D9__IPU_CSI_D_9,
241	MX35_PAD_CSI_D10__IPU_CSI_D_10,
242	MX35_PAD_CSI_D11__IPU_CSI_D_11,
243	MX35_PAD_CSI_D12__IPU_CSI_D_12,
244	MX35_PAD_CSI_D13__IPU_CSI_D_13,
245	MX35_PAD_CSI_D14__IPU_CSI_D_14,
246	MX35_PAD_CSI_D15__IPU_CSI_D_15,
247	MX35_PAD_CSI_HSYNC__IPU_CSI_HSYNC,
248	MX35_PAD_CSI_MCLK__IPU_CSI_MCLK,
249	MX35_PAD_CSI_PIXCLK__IPU_CSI_PIXCLK,
250	MX35_PAD_CSI_VSYNC__IPU_CSI_VSYNC,
251	/*PMIC IRQ*/
252	MX35_PAD_GPIO2_0__GPIO2_0,
253};
254
255/*
256 * Camera support
257*/
258static phys_addr_t mx3_camera_base __initdata;
259#define MX35_3DS_CAMERA_BUF_SIZE SZ_8M
260
261static const struct mx3_camera_pdata mx35_3ds_camera_pdata __initconst = {
262	.flags = MX3_CAMERA_DATAWIDTH_8,
263	.mclk_10khz = 2000,
264};
265
266static int __init imx35_3ds_init_camera(void)
267{
268	int dma, ret = -ENOMEM;
269	struct platform_device *pdev =
270		imx35_alloc_mx3_camera(&mx35_3ds_camera_pdata);
271
272	if (IS_ERR(pdev))
273		return PTR_ERR(pdev);
274
275	if (!mx3_camera_base)
276		goto err;
277
278	dma = dma_declare_coherent_memory(&pdev->dev,
279					mx3_camera_base, mx3_camera_base,
280					MX35_3DS_CAMERA_BUF_SIZE,
281					DMA_MEMORY_MAP | DMA_MEMORY_EXCLUSIVE);
282
283	if (!(dma & DMA_MEMORY_MAP))
284		goto err;
285
286	ret = platform_device_add(pdev);
287	if (ret)
288err:
289		platform_device_put(pdev);
290
291	return ret;
292}
293
294static struct i2c_board_info mx35_3ds_i2c_camera = {
295	I2C_BOARD_INFO("ov2640", 0x30),
296};
297
298static struct soc_camera_link iclink_ov2640 = {
299	.bus_id		= 0,
300	.board_info	= &mx35_3ds_i2c_camera,
301	.i2c_adapter_id	= 0,
302	.power		= NULL,
303};
304
305static struct platform_device mx35_3ds_ov2640 = {
306	.name	= "soc-camera-pdrv",
307	.id	= 0,
308	.dev	= {
309		.platform_data = &iclink_ov2640,
310	},
311};
312
313static struct regulator_consumer_supply sw1_consumers[] = {
314	{
315		.supply = "cpu_vcc",
316	}
317};
318
319static struct regulator_consumer_supply vcam_consumers[] = {
320	/* sgtl5000 */
321	REGULATOR_SUPPLY("VDDA", "0-000a"),
322};
323
324static struct regulator_consumer_supply vaudio_consumers[] = {
325	REGULATOR_SUPPLY("cmos_vio", "soc-camera-pdrv.0"),
326};
327
328static struct regulator_init_data sw1_init = {
329	.constraints = {
330		.name = "SW1",
331		.min_uV = 600000,
332		.max_uV = 1375000,
333		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
334		.valid_modes_mask = 0,
335		.always_on = 1,
336		.boot_on = 1,
337	},
338	.num_consumer_supplies = ARRAY_SIZE(sw1_consumers),
339	.consumer_supplies = sw1_consumers,
340};
341
342static struct regulator_init_data sw2_init = {
343	.constraints = {
344		.name = "SW2",
345		.always_on = 1,
346		.boot_on = 1,
347	}
348};
349
350static struct regulator_init_data sw3_init = {
351	.constraints = {
352		.name = "SW3",
353		.always_on = 1,
354		.boot_on = 1,
355	}
356};
357
358static struct regulator_init_data sw4_init = {
359	.constraints = {
360		.name = "SW4",
361		.always_on = 1,
362		.boot_on = 1,
363	}
364};
365
366static struct regulator_init_data viohi_init = {
367	.constraints = {
368		.name = "VIOHI",
369		.boot_on = 1,
370	}
371};
372
373static struct regulator_init_data vusb_init = {
374	.constraints = {
375		.name = "VUSB",
376		.boot_on = 1,
377	}
378};
379
380static struct regulator_init_data vdig_init = {
381	.constraints = {
382		.name = "VDIG",
383		.boot_on = 1,
384	}
385};
386
387static struct regulator_init_data vpll_init = {
388	.constraints = {
389		.name = "VPLL",
390		.boot_on = 1,
391	}
392};
393
394static struct regulator_init_data vusb2_init = {
395	.constraints = {
396		.name = "VUSB2",
397		.boot_on = 1,
398	}
399};
400
401static struct regulator_init_data vvideo_init = {
402	.constraints = {
403		.name = "VVIDEO",
404		.boot_on = 1
405	}
406};
407
408static struct regulator_init_data vaudio_init = {
409	.constraints = {
410		.name = "VAUDIO",
411		.min_uV = 2300000,
412		.max_uV = 3000000,
413		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
414		.boot_on = 1
415	},
416	.num_consumer_supplies = ARRAY_SIZE(vaudio_consumers),
417	.consumer_supplies = vaudio_consumers,
418};
419
420static struct regulator_init_data vcam_init = {
421	.constraints = {
422		.name = "VCAM",
423		.min_uV = 2500000,
424		.max_uV = 3000000,
425		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE |
426					REGULATOR_CHANGE_MODE,
427		.valid_modes_mask = REGULATOR_MODE_FAST | REGULATOR_MODE_NORMAL,
428		.boot_on = 1
429	},
430	.num_consumer_supplies = ARRAY_SIZE(vcam_consumers),
431	.consumer_supplies = vcam_consumers,
432};
433
434static struct regulator_init_data vgen1_init = {
435	.constraints = {
436		.name = "VGEN1",
437	}
438};
439
440static struct regulator_init_data vgen2_init = {
441	.constraints = {
442		.name = "VGEN2",
443		.boot_on = 1,
444	}
445};
446
447static struct regulator_init_data vgen3_init = {
448	.constraints = {
449		.name = "VGEN3",
450	}
451};
452
453static struct mc13xxx_regulator_init_data mx35_3ds_regulators[] = {
454	{ .id = MC13892_SW1, .init_data = &sw1_init },
455	{ .id = MC13892_SW2, .init_data = &sw2_init },
456	{ .id = MC13892_SW3, .init_data = &sw3_init },
457	{ .id = MC13892_SW4, .init_data = &sw4_init },
458	{ .id = MC13892_VIOHI, .init_data = &viohi_init },
459	{ .id = MC13892_VPLL, .init_data = &vpll_init },
460	{ .id = MC13892_VDIG, .init_data = &vdig_init },
461	{ .id = MC13892_VUSB2, .init_data = &vusb2_init },
462	{ .id = MC13892_VVIDEO, .init_data = &vvideo_init },
463	{ .id = MC13892_VAUDIO, .init_data = &vaudio_init },
464	{ .id = MC13892_VCAM, .init_data = &vcam_init },
465	{ .id = MC13892_VGEN1, .init_data = &vgen1_init },
466	{ .id = MC13892_VGEN2, .init_data = &vgen2_init },
467	{ .id = MC13892_VGEN3, .init_data = &vgen3_init },
468	{ .id = MC13892_VUSB, .init_data = &vusb_init },
469};
470
471static struct mc13xxx_platform_data mx35_3ds_mc13892_data = {
472	.flags = MC13XXX_USE_RTC | MC13XXX_USE_TOUCHSCREEN,
473	.regulators = {
474		.num_regulators = ARRAY_SIZE(mx35_3ds_regulators),
475		.regulators = mx35_3ds_regulators,
476	},
477};
478
479#define GPIO_PMIC_INT IMX_GPIO_NR(2, 0)
480
481static struct i2c_board_info mx35_3ds_i2c_mc13892 = {
482
483	I2C_BOARD_INFO("mc13892", 0x08),
484	.platform_data = &mx35_3ds_mc13892_data,
485	/* irq number is run-time assigned */
486};
487
488static void __init imx35_3ds_init_mc13892(void)
489{
490	int ret = gpio_request_one(GPIO_PMIC_INT, GPIOF_DIR_IN, "pmic irq");
491
492	if (ret) {
493		pr_err("failed to get pmic irq: %d\n", ret);
494		return;
495	}
496
497	mx35_3ds_i2c_mc13892.irq = gpio_to_irq(GPIO_PMIC_INT);
498	i2c_register_board_info(0, &mx35_3ds_i2c_mc13892, 1);
499}
500
501static int mx35_3ds_otg_init(struct platform_device *pdev)
502{
503	return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY);
504}
505
506/* OTG config */
507static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = {
508	.operating_mode	= FSL_USB2_DR_DEVICE,
509	.phy_mode	= FSL_USB2_PHY_UTMI_WIDE,
510	.workaround	= FLS_USB2_WORKAROUND_ENGCM09152,
511/*
512 * ENGCM09152 also requires a hardware change.
513 * Please check the MX35 Chip Errata document for details.
514 */
515};
516
517static struct mxc_usbh_platform_data otg_pdata __initdata = {
518	.init	= mx35_3ds_otg_init,
519	.portsc	= MXC_EHCI_MODE_UTMI,
520};
521
522static int mx35_3ds_usbh_init(struct platform_device *pdev)
523{
524	return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI |
525			  MXC_EHCI_INTERNAL_PHY);
526}
527
528/* USB HOST config */
529static const struct mxc_usbh_platform_data usb_host_pdata __initconst = {
530	.init		= mx35_3ds_usbh_init,
531	.portsc		= MXC_EHCI_MODE_SERIAL,
532};
533
534static bool otg_mode_host __initdata;
535
536static int __init mx35_3ds_otg_mode(char *options)
537{
538	if (!strcmp(options, "host"))
539		otg_mode_host = true;
540	else if (!strcmp(options, "device"))
541		otg_mode_host = false;
542	else
543		pr_info("otg_mode neither \"host\" nor \"device\". "
544			"Defaulting to device\n");
545	return 1;
546}
547__setup("otg_mode=", mx35_3ds_otg_mode);
548
549static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = {
550	.bitrate = 100000,
551};
552
553/*
554 * Board specific initialization.
555 */
556static void __init mx35_3ds_init(void)
557{
558	struct platform_device *imx35_fb_pdev;
559
560	imx35_soc_init();
561
562	mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads));
563
564	imx35_add_fec(NULL);
565	imx35_add_imx2_wdt();
566	imx35_add_mxc_rtc();
567	platform_add_devices(devices, ARRAY_SIZE(devices));
568
569	imx35_add_imx_uart0(&uart_pdata);
570
571	if (otg_mode_host)
572		imx35_add_mxc_ehci_otg(&otg_pdata);
573
574	imx35_add_mxc_ehci_hs(&usb_host_pdata);
575
576	if (!otg_mode_host)
577		imx35_add_fsl_usb2_udc(&usb_otg_pdata);
578
579	imx35_add_mxc_nand(&mx35pdk_nand_board_info);
580	imx35_add_sdhci_esdhc_imx(0, NULL);
581
582	if (mxc_expio_init(MX35_CS5_BASE_ADDR, IMX_GPIO_NR(1, 1)))
583		pr_warn("Init of the debugboard failed, all "
584				"devices on the debugboard are unusable.\n");
585	imx35_add_imx_i2c0(&mx35_3ds_i2c0_data);
586
587	i2c_register_board_info(
588		0, i2c_devices_3ds, ARRAY_SIZE(i2c_devices_3ds));
589
590	imx35_add_ipu_core();
591	platform_device_register(&mx35_3ds_ov2640);
592	imx35_3ds_init_camera();
593
594	imx35_fb_pdev = imx35_add_mx3_sdc_fb(&mx3fb_pdata);
595	mx35_3ds_lcd.dev.parent = &imx35_fb_pdev->dev;
596	platform_device_register(&mx35_3ds_lcd);
597
598	imx35_3ds_init_mc13892();
599}
600
601static void __init mx35pdk_timer_init(void)
602{
603	mx35_clocks_init();
604}
605
606static void __init mx35_3ds_reserve(void)
607{
608	/* reserve MX35_3DS_CAMERA_BUF_SIZE bytes for mx3-camera */
609	mx3_camera_base = arm_memblock_steal(MX35_3DS_CAMERA_BUF_SIZE,
610					 MX35_3DS_CAMERA_BUF_SIZE);
611}
612
613MACHINE_START(MX35_3DS, "Freescale MX35PDK")
614	/* Maintainer: Freescale Semiconductor, Inc */
615	.atag_offset = 0x100,
616	.map_io = mx35_map_io,
617	.init_early = imx35_init_early,
618	.init_irq = mx35_init_irq,
619	.init_time	= mx35pdk_timer_init,
620	.init_machine = mx35_3ds_init,
621	.reserve = mx35_3ds_reserve,
622	.restart	= mxc_restart,
623MACHINE_END
624