1/*
2 * Copyright 2004-2009 Analog Devices Inc.
3 *               2005 National ICT Australia (NICTA)
4 *                    Aidan Williams <aidan@nicta.com.au>
5 *
6 * Licensed under the GPL-2 or later.
7 */
8
9#include <linux/device.h>
10#include <linux/platform_device.h>
11#include <linux/mtd/mtd.h>
12#include <linux/mtd/partitions.h>
13#include <linux/mtd/physmap.h>
14#include <linux/spi/spi.h>
15#include <linux/irq.h>
16#include <linux/interrupt.h>
17#include <linux/gpio.h>
18#include <linux/delay.h>
19#include <asm/dma.h>
20#include <asm/bfin5xx_spi.h>
21#include <asm/portmux.h>
22#include <asm/dpmc.h>
23
24/*
25 * Name the Board for the /proc/cpuinfo
26 */
27const char bfin_board_name[] = "ADI BF561-EZKIT";
28
29#if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
30#include <linux/usb/isp1760.h>
31static struct resource bfin_isp1760_resources[] = {
32	[0] = {
33		.start  = 0x2C0F0000,
34		.end    = 0x203C0000 + 0xfffff,
35		.flags  = IORESOURCE_MEM,
36	},
37	[1] = {
38		.start  = IRQ_PF10,
39		.end    = IRQ_PF10,
40		.flags  = IORESOURCE_IRQ,
41	},
42};
43
44static struct isp1760_platform_data isp1760_priv = {
45	.is_isp1761 = 0,
46	.bus_width_16 = 1,
47	.port1_otg = 0,
48	.analog_oc = 0,
49	.dack_polarity_high = 0,
50	.dreq_polarity_high = 0,
51};
52
53static struct platform_device bfin_isp1760_device = {
54	.name           = "isp1760",
55	.id             = 0,
56	.dev = {
57		.platform_data = &isp1760_priv,
58	},
59	.num_resources  = ARRAY_SIZE(bfin_isp1760_resources),
60	.resource       = bfin_isp1760_resources,
61};
62#endif
63
64#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
65#include <linux/usb/isp1362.h>
66
67static struct resource isp1362_hcd_resources[] = {
68	{
69		.start = 0x2c060000,
70		.end = 0x2c060000,
71		.flags = IORESOURCE_MEM,
72	}, {
73		.start = 0x2c060004,
74		.end = 0x2c060004,
75		.flags = IORESOURCE_MEM,
76	}, {
77		.start = IRQ_PF8,
78		.end = IRQ_PF8,
79		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
80	},
81};
82
83static struct isp1362_platform_data isp1362_priv = {
84	.sel15Kres = 1,
85	.clknotstop = 0,
86	.oc_enable = 0,
87	.int_act_high = 0,
88	.int_edge_triggered = 0,
89	.remote_wakeup_connected = 0,
90	.no_power_switching = 1,
91	.power_switching_mode = 0,
92};
93
94static struct platform_device isp1362_hcd_device = {
95	.name = "isp1362-hcd",
96	.id = 0,
97	.dev = {
98		.platform_data = &isp1362_priv,
99	},
100	.num_resources = ARRAY_SIZE(isp1362_hcd_resources),
101	.resource = isp1362_hcd_resources,
102};
103#endif
104
105#if IS_ENABLED(CONFIG_USB_NET2272)
106static struct resource net2272_bfin_resources[] = {
107	{
108		.start = 0x2C000000,
109		.end = 0x2C000000 + 0x7F,
110		.flags = IORESOURCE_MEM,
111	}, {
112		.start = 1,
113		.flags = IORESOURCE_BUS,
114	}, {
115		.start = IRQ_PF10,
116		.end = IRQ_PF10,
117		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
118	},
119};
120
121static struct platform_device net2272_bfin_device = {
122	.name = "net2272",
123	.id = -1,
124	.num_resources = ARRAY_SIZE(net2272_bfin_resources),
125	.resource = net2272_bfin_resources,
126};
127#endif
128
129/*
130 *  USB-LAN EzExtender board
131 *  Driver needs to know address, irq and flag pin.
132 */
133#if IS_ENABLED(CONFIG_SMC91X)
134#include <linux/smc91x.h>
135
136static struct smc91x_platdata smc91x_info = {
137	.flags = SMC91X_USE_32BIT | SMC91X_NOWAIT,
138	.leda = RPC_LED_100_10,
139	.ledb = RPC_LED_TX_RX,
140};
141
142static struct resource smc91x_resources[] = {
143	{
144		.name = "smc91x-regs",
145		.start = 0x2C010300,
146		.end = 0x2C010300 + 16,
147		.flags = IORESOURCE_MEM,
148	}, {
149
150		.start = IRQ_PF9,
151		.end = IRQ_PF9,
152		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
153	},
154};
155
156static struct platform_device smc91x_device = {
157	.name = "smc91x",
158	.id = 0,
159	.num_resources = ARRAY_SIZE(smc91x_resources),
160	.resource = smc91x_resources,
161	.dev	= {
162		.platform_data	= &smc91x_info,
163	},
164};
165#endif
166
167#if IS_ENABLED(CONFIG_SERIAL_BFIN)
168#ifdef CONFIG_SERIAL_BFIN_UART0
169static struct resource bfin_uart0_resources[] = {
170	{
171		.start = BFIN_UART_THR,
172		.end = BFIN_UART_GCTL+2,
173		.flags = IORESOURCE_MEM,
174	},
175	{
176		.start = IRQ_UART_TX,
177		.end = IRQ_UART_TX,
178		.flags = IORESOURCE_IRQ,
179	},
180	{
181		.start = IRQ_UART_RX,
182		.end = IRQ_UART_RX,
183		.flags = IORESOURCE_IRQ,
184	},
185	{
186		.start = IRQ_UART_ERROR,
187		.end = IRQ_UART_ERROR,
188		.flags = IORESOURCE_IRQ,
189	},
190	{
191		.start = CH_UART_TX,
192		.end = CH_UART_TX,
193		.flags = IORESOURCE_DMA,
194	},
195	{
196		.start = CH_UART_RX,
197		.end = CH_UART_RX,
198		.flags = IORESOURCE_DMA,
199	},
200};
201
202static unsigned short bfin_uart0_peripherals[] = {
203	P_UART0_TX, P_UART0_RX, 0
204};
205
206static struct platform_device bfin_uart0_device = {
207	.name = "bfin-uart",
208	.id = 0,
209	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
210	.resource = bfin_uart0_resources,
211	.dev = {
212		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
213	},
214};
215#endif
216#endif
217
218#if IS_ENABLED(CONFIG_BFIN_SIR)
219#ifdef CONFIG_BFIN_SIR0
220static struct resource bfin_sir0_resources[] = {
221	{
222		.start = 0xFFC00400,
223		.end = 0xFFC004FF,
224		.flags = IORESOURCE_MEM,
225	},
226	{
227		.start = IRQ_UART0_RX,
228		.end = IRQ_UART0_RX+1,
229		.flags = IORESOURCE_IRQ,
230	},
231	{
232		.start = CH_UART0_RX,
233		.end = CH_UART0_RX+1,
234		.flags = IORESOURCE_DMA,
235	},
236};
237
238static struct platform_device bfin_sir0_device = {
239	.name = "bfin_sir",
240	.id = 0,
241	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
242	.resource = bfin_sir0_resources,
243};
244#endif
245#endif
246
247#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
248static struct mtd_partition ezkit_partitions[] = {
249	{
250		.name       = "bootloader(nor)",
251		.size       = 0x40000,
252		.offset     = 0,
253	}, {
254		.name       = "linux kernel(nor)",
255		.size       = 0x1C0000,
256		.offset     = MTDPART_OFS_APPEND,
257	}, {
258		.name       = "file system(nor)",
259		.size       = 0x800000 - 0x40000 - 0x1C0000 - 0x2000 * 8,
260		.offset     = MTDPART_OFS_APPEND,
261	}, {
262		.name       = "config(nor)",
263		.size       = 0x2000 * 7,
264		.offset     = MTDPART_OFS_APPEND,
265	}, {
266		.name       = "u-boot env(nor)",
267		.size       = 0x2000,
268		.offset     = MTDPART_OFS_APPEND,
269	}
270};
271
272static struct physmap_flash_data ezkit_flash_data = {
273	.width      = 2,
274	.parts      = ezkit_partitions,
275	.nr_parts   = ARRAY_SIZE(ezkit_partitions),
276};
277
278static struct resource ezkit_flash_resource = {
279	.start = 0x20000000,
280	.end   = 0x207fffff,
281	.flags = IORESOURCE_MEM,
282};
283
284static struct platform_device ezkit_flash_device = {
285	.name          = "physmap-flash",
286	.id            = 0,
287	.dev = {
288		.platform_data = &ezkit_flash_data,
289	},
290	.num_resources = 1,
291	.resource      = &ezkit_flash_resource,
292};
293#endif
294
295#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
296/* SPI (0) */
297static struct resource bfin_spi0_resource[] = {
298	[0] = {
299		.start = SPI0_REGBASE,
300		.end   = SPI0_REGBASE + 0xFF,
301		.flags = IORESOURCE_MEM,
302	},
303	[1] = {
304		.start = CH_SPI,
305		.end   = CH_SPI,
306		.flags = IORESOURCE_DMA,
307	},
308	[2] = {
309		.start = IRQ_SPI,
310		.end   = IRQ_SPI,
311		.flags = IORESOURCE_IRQ,
312	}
313};
314
315/* SPI controller data */
316static struct bfin5xx_spi_master bfin_spi0_info = {
317	.num_chipselect = 8,
318	.enable_dma = 1,  /* master has the ability to do dma transfer */
319	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
320};
321
322static struct platform_device bfin_spi0_device = {
323	.name = "bfin-spi",
324	.id = 0, /* Bus number */
325	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
326	.resource = bfin_spi0_resource,
327	.dev = {
328		.platform_data = &bfin_spi0_info, /* Passed to driver */
329	},
330};
331#endif
332
333static struct spi_board_info bfin_spi_board_info[] __initdata = {
334#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
335	{
336		.modalias = "ad183x",
337		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
338		.bus_num = 0,
339		.chip_select = 4,
340		.platform_data = "ad1836", /* only includes chip name for the moment */
341		.mode = SPI_MODE_3,
342	},
343#endif
344#if IS_ENABLED(CONFIG_SPI_SPIDEV)
345	{
346		.modalias = "spidev",
347		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
348		.bus_num = 0,
349		.chip_select = 1,
350	},
351#endif
352};
353
354#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
355#include <linux/input.h>
356#include <linux/gpio_keys.h>
357
358static struct gpio_keys_button bfin_gpio_keys_table[] = {
359	{BTN_0, GPIO_PF5, 1, "gpio-keys: BTN0"},
360	{BTN_1, GPIO_PF6, 1, "gpio-keys: BTN1"},
361	{BTN_2, GPIO_PF7, 1, "gpio-keys: BTN2"},
362	{BTN_3, GPIO_PF8, 1, "gpio-keys: BTN3"},
363};
364
365static struct gpio_keys_platform_data bfin_gpio_keys_data = {
366	.buttons        = bfin_gpio_keys_table,
367	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
368};
369
370static struct platform_device bfin_device_gpiokeys = {
371	.name      = "gpio-keys",
372	.dev = {
373		.platform_data = &bfin_gpio_keys_data,
374	},
375};
376#endif
377
378#if IS_ENABLED(CONFIG_I2C_GPIO)
379#include <linux/i2c-gpio.h>
380
381static struct i2c_gpio_platform_data i2c_gpio_data = {
382	.sda_pin		= GPIO_PF1,
383	.scl_pin		= GPIO_PF0,
384	.sda_is_open_drain	= 0,
385	.scl_is_open_drain	= 0,
386	.udelay			= 10,
387};
388
389static struct platform_device i2c_gpio_device = {
390	.name		= "i2c-gpio",
391	.id		= 0,
392	.dev		= {
393		.platform_data	= &i2c_gpio_data,
394	},
395};
396#endif
397
398static const unsigned int cclk_vlev_datasheet[] =
399{
400	VRPAIR(VLEV_085, 250000000),
401	VRPAIR(VLEV_090, 300000000),
402	VRPAIR(VLEV_095, 313000000),
403	VRPAIR(VLEV_100, 350000000),
404	VRPAIR(VLEV_105, 400000000),
405	VRPAIR(VLEV_110, 444000000),
406	VRPAIR(VLEV_115, 450000000),
407	VRPAIR(VLEV_120, 475000000),
408	VRPAIR(VLEV_125, 500000000),
409	VRPAIR(VLEV_130, 600000000),
410};
411
412static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
413	.tuple_tab = cclk_vlev_datasheet,
414	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
415	.vr_settling_time = 25 /* us */,
416};
417
418static struct platform_device bfin_dpmc = {
419	.name = "bfin dpmc",
420	.dev = {
421		.platform_data = &bfin_dmpc_vreg_data,
422	},
423};
424
425#if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
426#include <linux/videodev2.h>
427#include <media/blackfin/bfin_capture.h>
428#include <media/blackfin/ppi.h>
429
430static const unsigned short ppi_req[] = {
431	P_PPI0_D0, P_PPI0_D1, P_PPI0_D2, P_PPI0_D3,
432	P_PPI0_D4, P_PPI0_D5, P_PPI0_D6, P_PPI0_D7,
433	P_PPI0_CLK, P_PPI0_FS1, P_PPI0_FS2,
434	0,
435};
436
437static const struct ppi_info ppi_info = {
438	.type = PPI_TYPE_PPI,
439	.dma_ch = CH_PPI0,
440	.irq_err = IRQ_PPI1_ERROR,
441	.base = (void __iomem *)PPI0_CONTROL,
442	.pin_req = ppi_req,
443};
444
445#if IS_ENABLED(CONFIG_VIDEO_ADV7183)
446#include <media/adv7183.h>
447static struct v4l2_input adv7183_inputs[] = {
448	{
449		.index = 0,
450		.name = "Composite",
451		.type = V4L2_INPUT_TYPE_CAMERA,
452		.std = V4L2_STD_ALL,
453		.capabilities = V4L2_IN_CAP_STD,
454	},
455	{
456		.index = 1,
457		.name = "S-Video",
458		.type = V4L2_INPUT_TYPE_CAMERA,
459		.std = V4L2_STD_ALL,
460		.capabilities = V4L2_IN_CAP_STD,
461	},
462	{
463		.index = 2,
464		.name = "Component",
465		.type = V4L2_INPUT_TYPE_CAMERA,
466		.std = V4L2_STD_ALL,
467		.capabilities = V4L2_IN_CAP_STD,
468	},
469};
470
471static struct bcap_route adv7183_routes[] = {
472	{
473		.input = ADV7183_COMPOSITE4,
474		.output = ADV7183_8BIT_OUT,
475	},
476	{
477		.input = ADV7183_SVIDEO0,
478		.output = ADV7183_8BIT_OUT,
479	},
480	{
481		.input = ADV7183_COMPONENT0,
482		.output = ADV7183_8BIT_OUT,
483	},
484};
485
486
487static const unsigned adv7183_gpio[] = {
488	GPIO_PF13, /* reset pin */
489	GPIO_PF2,  /* output enable pin */
490};
491
492static struct bfin_capture_config bfin_capture_data = {
493	.card_name = "BF561",
494	.inputs = adv7183_inputs,
495	.num_inputs = ARRAY_SIZE(adv7183_inputs),
496	.routes = adv7183_routes,
497	.i2c_adapter_id = 0,
498	.board_info = {
499		.type = "adv7183",
500		.addr = 0x20,
501		.platform_data = (void *)adv7183_gpio,
502	},
503	.ppi_info = &ppi_info,
504	.ppi_control = (PACK_EN | DLEN_8 | DMA32 | FLD_SEL),
505};
506#endif
507
508static struct platform_device bfin_capture_device = {
509	.name = "bfin_capture",
510	.dev = {
511		.platform_data = &bfin_capture_data,
512	},
513};
514#endif
515
516#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
517static struct platform_device bfin_i2s = {
518	.name = "bfin-i2s",
519	.id = CONFIG_SND_BF5XX_SPORT_NUM,
520	/* TODO: add platform data here */
521};
522#endif
523
524#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
525static struct platform_device bfin_ac97 = {
526	.name = "bfin-ac97",
527	.id = CONFIG_SND_BF5XX_SPORT_NUM,
528	/* TODO: add platform data here */
529};
530#endif
531
532#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
533static const char * const ad1836_link[] = {
534	"bfin-i2s.0",
535	"spi0.4",
536};
537static struct platform_device bfin_ad1836_machine = {
538	.name = "bfin-snd-ad1836",
539	.id = -1,
540	.dev = {
541		.platform_data = (void *)ad1836_link,
542	},
543};
544#endif
545
546static struct platform_device *ezkit_devices[] __initdata = {
547
548	&bfin_dpmc,
549
550#if IS_ENABLED(CONFIG_SMC91X)
551	&smc91x_device,
552#endif
553
554#if IS_ENABLED(CONFIG_USB_NET2272)
555	&net2272_bfin_device,
556#endif
557
558#if IS_ENABLED(CONFIG_USB_ISP1760_HCD)
559	&bfin_isp1760_device,
560#endif
561
562#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
563	&bfin_spi0_device,
564#endif
565
566#if IS_ENABLED(CONFIG_SERIAL_BFIN)
567#ifdef CONFIG_SERIAL_BFIN_UART0
568	&bfin_uart0_device,
569#endif
570#endif
571
572#if IS_ENABLED(CONFIG_BFIN_SIR)
573#ifdef CONFIG_BFIN_SIR0
574	&bfin_sir0_device,
575#endif
576#endif
577
578#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
579	&bfin_device_gpiokeys,
580#endif
581
582#if IS_ENABLED(CONFIG_I2C_GPIO)
583	&i2c_gpio_device,
584#endif
585
586#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
587	&isp1362_hcd_device,
588#endif
589
590#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
591	&ezkit_flash_device,
592#endif
593
594#if IS_ENABLED(CONFIG_VIDEO_BLACKFIN_CAPTURE)
595	&bfin_capture_device,
596#endif
597
598#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
599	&bfin_i2s,
600#endif
601
602#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
603	&bfin_ac97,
604#endif
605
606#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD1836)
607	&bfin_ad1836_machine,
608#endif
609};
610
611static int __init net2272_init(void)
612{
613#if IS_ENABLED(CONFIG_USB_NET2272)
614	int ret;
615
616	ret = gpio_request(GPIO_PF11, "net2272");
617	if (ret)
618		return ret;
619
620	/* Reset the USB chip */
621	gpio_direction_output(GPIO_PF11, 0);
622	mdelay(2);
623	gpio_set_value(GPIO_PF11, 1);
624#endif
625
626	return 0;
627}
628
629static int __init ezkit_init(void)
630{
631	int ret;
632
633	printk(KERN_INFO "%s(): registering device resources\n", __func__);
634
635	ret = platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
636	if (ret < 0)
637		return ret;
638
639#if IS_ENABLED(CONFIG_SMC91X)
640	bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 12));
641	SSYNC();
642#endif
643
644#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
645	bfin_write_FIO0_DIR(bfin_read_FIO0_DIR() | (1 << 15));
646	bfin_write_FIO0_FLAG_S(1 << 15);
647	SSYNC();
648	/*
649	 * This initialization lasts for approximately 4500 MCLKs.
650	 * MCLK = 12.288MHz
651	 */
652	udelay(400);
653#endif
654
655	if (net2272_init())
656		pr_warning("unable to configure net2272; it probably won't work\n");
657
658	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
659	return 0;
660}
661
662arch_initcall(ezkit_init);
663
664static struct platform_device *ezkit_early_devices[] __initdata = {
665#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
666#ifdef CONFIG_SERIAL_BFIN_UART0
667	&bfin_uart0_device,
668#endif
669#endif
670};
671
672void __init native_machine_early_platform_add_devices(void)
673{
674	printk(KERN_INFO "register early platform devices\n");
675	early_platform_add_devices(ezkit_early_devices,
676		ARRAY_SIZE(ezkit_early_devices));
677}
678