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/plat-ram.h>
14#include <linux/mtd/physmap.h>
15#include <linux/spi/spi.h>
16#include <linux/spi/flash.h>
17#if IS_ENABLED(CONFIG_USB_ISP1362_HCD)
18#include <linux/usb/isp1362.h>
19#endif
20#include <linux/irq.h>
21#include <linux/i2c.h>
22#include <asm/dma.h>
23#include <asm/bfin5xx_spi.h>
24#include <asm/portmux.h>
25#include <asm/dpmc.h>
26
27/*
28 * Name the Board for the /proc/cpuinfo
29 */
30const char bfin_board_name[] = "ADI BF533-EZKIT";
31
32#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
33static struct platform_device rtc_device = {
34	.name = "rtc-bfin",
35	.id   = -1,
36};
37#endif
38
39/*
40 *  USB-LAN EzExtender board
41 *  Driver needs to know address, irq and flag pin.
42 */
43#if IS_ENABLED(CONFIG_SMC91X)
44#include <linux/smc91x.h>
45
46static struct smc91x_platdata smc91x_info = {
47	.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
48	.leda = RPC_LED_100_10,
49	.ledb = RPC_LED_TX_RX,
50};
51
52static struct resource smc91x_resources[] = {
53	{
54		.name = "smc91x-regs",
55		.start = 0x20310300,
56		.end = 0x20310300 + 16,
57		.flags = IORESOURCE_MEM,
58	}, {
59		.start = IRQ_PF9,
60		.end = IRQ_PF9,
61		.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
62	},
63};
64static struct platform_device smc91x_device = {
65	.name = "smc91x",
66	.id = 0,
67	.num_resources = ARRAY_SIZE(smc91x_resources),
68	.resource = smc91x_resources,
69	.dev	= {
70		.platform_data	= &smc91x_info,
71	},
72};
73#endif
74
75#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
76static struct mtd_partition ezkit_partitions_a[] = {
77	{
78		.name       = "bootloader(nor a)",
79		.size       = 0x40000,
80		.offset     = 0,
81	}, {
82		.name       = "linux kernel(nor a)",
83		.size       = MTDPART_SIZ_FULL,
84		.offset     = MTDPART_OFS_APPEND,
85	},
86};
87
88static struct physmap_flash_data ezkit_flash_data_a = {
89	.width      = 2,
90	.parts      = ezkit_partitions_a,
91	.nr_parts   = ARRAY_SIZE(ezkit_partitions_a),
92};
93
94static struct resource ezkit_flash_resource_a = {
95	.start = 0x20000000,
96	.end   = 0x200fffff,
97	.flags = IORESOURCE_MEM,
98};
99
100static struct platform_device ezkit_flash_device_a = {
101	.name          = "physmap-flash",
102	.id            = 0,
103	.dev = {
104		.platform_data = &ezkit_flash_data_a,
105	},
106	.num_resources = 1,
107	.resource      = &ezkit_flash_resource_a,
108};
109
110static struct mtd_partition ezkit_partitions_b[] = {
111	{
112		.name   = "file system(nor b)",
113		.size   = MTDPART_SIZ_FULL,
114		.offset = MTDPART_OFS_APPEND,
115	},
116};
117
118static struct physmap_flash_data ezkit_flash_data_b = {
119	.width      = 2,
120	.parts      = ezkit_partitions_b,
121	.nr_parts   = ARRAY_SIZE(ezkit_partitions_b),
122};
123
124static struct resource ezkit_flash_resource_b = {
125	.start = 0x20100000,
126	.end   = 0x201fffff,
127	.flags = IORESOURCE_MEM,
128};
129
130static struct platform_device ezkit_flash_device_b = {
131	.name          = "physmap-flash",
132	.id            = 4,
133	.dev = {
134		.platform_data = &ezkit_flash_data_b,
135	},
136	.num_resources = 1,
137	.resource      = &ezkit_flash_resource_b,
138};
139#endif
140
141#if IS_ENABLED(CONFIG_MTD_PLATRAM)
142static struct platdata_mtd_ram sram_data_a = {
143	.mapname   = "Flash A SRAM",
144	.bankwidth = 2,
145};
146
147static struct resource sram_resource_a = {
148	.start = 0x20240000,
149	.end   = 0x2024ffff,
150	.flags = IORESOURCE_MEM,
151};
152
153static struct platform_device sram_device_a = {
154	.name          = "mtd-ram",
155	.id            = 8,
156	.dev = {
157		.platform_data = &sram_data_a,
158	},
159	.num_resources = 1,
160	.resource      = &sram_resource_a,
161};
162
163static struct platdata_mtd_ram sram_data_b = {
164	.mapname   = "Flash B SRAM",
165	.bankwidth = 2,
166};
167
168static struct resource sram_resource_b = {
169	.start = 0x202c0000,
170	.end   = 0x202cffff,
171	.flags = IORESOURCE_MEM,
172};
173
174static struct platform_device sram_device_b = {
175	.name          = "mtd-ram",
176	.id            = 9,
177	.dev = {
178		.platform_data = &sram_data_b,
179	},
180	.num_resources = 1,
181	.resource      = &sram_resource_b,
182};
183#endif
184
185#if IS_ENABLED(CONFIG_MTD_M25P80)
186static struct mtd_partition bfin_spi_flash_partitions[] = {
187	{
188		.name = "bootloader(spi)",
189		.size = 0x00020000,
190		.offset = 0,
191		.mask_flags = MTD_CAP_ROM
192	}, {
193		.name = "linux kernel(spi)",
194		.size = 0xe0000,
195		.offset = MTDPART_OFS_APPEND,
196	}, {
197		.name = "file system(spi)",
198		.size = MTDPART_SIZ_FULL,
199		.offset = MTDPART_OFS_APPEND,
200	}
201};
202
203static struct flash_platform_data bfin_spi_flash_data = {
204	.name = "m25p80",
205	.parts = bfin_spi_flash_partitions,
206	.nr_parts = ARRAY_SIZE(bfin_spi_flash_partitions),
207	.type = "m25p64",
208};
209
210/* SPI flash chip (m25p64) */
211static struct bfin5xx_spi_chip spi_flash_chip_info = {
212	.enable_dma = 0,         /* use dma transfer with this chip*/
213};
214#endif
215
216static struct spi_board_info bfin_spi_board_info[] __initdata = {
217#if IS_ENABLED(CONFIG_MTD_M25P80)
218	{
219		/* the modalias must be the same as spi device driver name */
220		.modalias = "m25p80", /* Name of spi_driver for this device */
221		.max_speed_hz = 25000000,     /* max spi clock (SCK) speed in HZ */
222		.bus_num = 0, /* Framework bus number */
223		.chip_select = 2, /* Framework chip select. On STAMP537 it is SPISSEL2*/
224		.platform_data = &bfin_spi_flash_data,
225		.controller_data = &spi_flash_chip_info,
226		.mode = SPI_MODE_3,
227	},
228#endif
229
230#if IS_ENABLED(CONFIG_SND_BF5XX_SOC_AD183X)
231	{
232		.modalias = "ad183x",
233		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
234		.bus_num = 0,
235		.chip_select = 4,
236	},
237#endif
238#if IS_ENABLED(CONFIG_SPI_SPIDEV)
239	{
240		.modalias = "spidev",
241		.max_speed_hz = 3125000,     /* max spi clock (SCK) speed in HZ */
242		.bus_num = 0,
243		.chip_select = 1,
244	},
245#endif
246};
247
248#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
249/* SPI (0) */
250static struct resource bfin_spi0_resource[] = {
251	[0] = {
252		.start = SPI0_REGBASE,
253		.end   = SPI0_REGBASE + 0xFF,
254		.flags = IORESOURCE_MEM,
255	},
256	[1] = {
257		.start = CH_SPI,
258		.end   = CH_SPI,
259		.flags = IORESOURCE_DMA,
260	},
261	[2] = {
262		.start = IRQ_SPI,
263		.end   = IRQ_SPI,
264		.flags = IORESOURCE_IRQ,
265	}
266};
267
268/* SPI controller data */
269static struct bfin5xx_spi_master bfin_spi0_info = {
270	.num_chipselect = 8,
271	.enable_dma = 1,  /* master has the ability to do dma transfer */
272	.pin_req = {P_SPI0_SCK, P_SPI0_MISO, P_SPI0_MOSI, 0},
273};
274
275static struct platform_device bfin_spi0_device = {
276	.name = "bfin-spi",
277	.id = 0, /* Bus number */
278	.num_resources = ARRAY_SIZE(bfin_spi0_resource),
279	.resource = bfin_spi0_resource,
280	.dev = {
281		.platform_data = &bfin_spi0_info, /* Passed to driver */
282	},
283};
284#endif  /* spi master and devices */
285
286#if IS_ENABLED(CONFIG_SERIAL_BFIN)
287#ifdef CONFIG_SERIAL_BFIN_UART0
288static struct resource bfin_uart0_resources[] = {
289	{
290		.start = BFIN_UART_THR,
291		.end = BFIN_UART_GCTL+2,
292		.flags = IORESOURCE_MEM,
293	},
294	{
295		.start = IRQ_UART0_TX,
296		.end = IRQ_UART0_TX,
297		.flags = IORESOURCE_IRQ,
298	},
299	{
300		.start = IRQ_UART0_RX,
301		.end = IRQ_UART0_RX,
302		.flags = IORESOURCE_IRQ,
303	},
304	{
305		.start = IRQ_UART0_ERROR,
306		.end = IRQ_UART0_ERROR,
307		.flags = IORESOURCE_IRQ,
308	},
309	{
310		.start = CH_UART0_TX,
311		.end = CH_UART0_TX,
312		.flags = IORESOURCE_DMA,
313	},
314	{
315		.start = CH_UART0_RX,
316		.end = CH_UART0_RX,
317		.flags = IORESOURCE_DMA,
318	},
319};
320
321static unsigned short bfin_uart0_peripherals[] = {
322	P_UART0_TX, P_UART0_RX, 0
323};
324
325static struct platform_device bfin_uart0_device = {
326	.name = "bfin-uart",
327	.id = 0,
328	.num_resources = ARRAY_SIZE(bfin_uart0_resources),
329	.resource = bfin_uart0_resources,
330	.dev = {
331		.platform_data = &bfin_uart0_peripherals, /* Passed to driver */
332	},
333};
334#endif
335#endif
336
337#if IS_ENABLED(CONFIG_BFIN_SIR)
338#ifdef CONFIG_BFIN_SIR0
339static struct resource bfin_sir0_resources[] = {
340	{
341		.start = 0xFFC00400,
342		.end = 0xFFC004FF,
343		.flags = IORESOURCE_MEM,
344	},
345	{
346		.start = IRQ_UART0_RX,
347		.end = IRQ_UART0_RX+1,
348		.flags = IORESOURCE_IRQ,
349	},
350	{
351		.start = CH_UART0_RX,
352		.end = CH_UART0_RX+1,
353		.flags = IORESOURCE_DMA,
354	},
355};
356
357static struct platform_device bfin_sir0_device = {
358	.name = "bfin_sir",
359	.id = 0,
360	.num_resources = ARRAY_SIZE(bfin_sir0_resources),
361	.resource = bfin_sir0_resources,
362};
363#endif
364#endif
365
366#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
367#include <linux/input.h>
368#include <linux/gpio_keys.h>
369
370static struct gpio_keys_button bfin_gpio_keys_table[] = {
371	{BTN_0, GPIO_PF7, 1, "gpio-keys: BTN0"},
372	{BTN_1, GPIO_PF8, 1, "gpio-keys: BTN1"},
373	{BTN_2, GPIO_PF9, 1, "gpio-keys: BTN2"},
374	{BTN_3, GPIO_PF10, 1, "gpio-keys: BTN3"},
375};
376
377static struct gpio_keys_platform_data bfin_gpio_keys_data = {
378	.buttons        = bfin_gpio_keys_table,
379	.nbuttons       = ARRAY_SIZE(bfin_gpio_keys_table),
380};
381
382static struct platform_device bfin_device_gpiokeys = {
383	.name      = "gpio-keys",
384	.dev = {
385		.platform_data = &bfin_gpio_keys_data,
386	},
387};
388#endif
389
390#if IS_ENABLED(CONFIG_I2C_GPIO)
391#include <linux/i2c-gpio.h>
392
393static struct i2c_gpio_platform_data i2c_gpio_data = {
394	.sda_pin		= GPIO_PF1,
395	.scl_pin		= GPIO_PF0,
396	.sda_is_open_drain	= 0,
397	.scl_is_open_drain	= 0,
398	.udelay			= 40,
399};
400
401static struct platform_device i2c_gpio_device = {
402	.name		= "i2c-gpio",
403	.id		= 0,
404	.dev		= {
405		.platform_data	= &i2c_gpio_data,
406	},
407};
408#endif
409
410static const unsigned int cclk_vlev_datasheet[] =
411{
412	VRPAIR(VLEV_085, 250000000),
413	VRPAIR(VLEV_090, 376000000),
414	VRPAIR(VLEV_095, 426000000),
415	VRPAIR(VLEV_100, 426000000),
416	VRPAIR(VLEV_105, 476000000),
417	VRPAIR(VLEV_110, 476000000),
418	VRPAIR(VLEV_115, 476000000),
419	VRPAIR(VLEV_120, 600000000),
420	VRPAIR(VLEV_125, 600000000),
421	VRPAIR(VLEV_130, 600000000),
422};
423
424static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data = {
425	.tuple_tab = cclk_vlev_datasheet,
426	.tabsize = ARRAY_SIZE(cclk_vlev_datasheet),
427	.vr_settling_time = 25 /* us */,
428};
429
430static struct platform_device bfin_dpmc = {
431	.name = "bfin dpmc",
432	.dev = {
433		.platform_data = &bfin_dmpc_vreg_data,
434	},
435};
436
437static struct i2c_board_info __initdata bfin_i2c_board_info[] = {
438#if IS_ENABLED(CONFIG_FB_BFIN_7393)
439	{
440		I2C_BOARD_INFO("bfin-adv7393", 0x2B),
441	},
442#endif
443};
444
445#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
446static struct platform_device bfin_i2s = {
447	.name = "bfin-i2s",
448	.id = CONFIG_SND_BF5XX_SPORT_NUM,
449	/* TODO: add platform data here */
450};
451#endif
452
453#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
454static struct platform_device bfin_ac97 = {
455	.name = "bfin-ac97",
456	.id = CONFIG_SND_BF5XX_SPORT_NUM,
457	/* TODO: add platform data here */
458};
459#endif
460
461static struct platform_device *ezkit_devices[] __initdata = {
462
463	&bfin_dpmc,
464
465#if IS_ENABLED(CONFIG_MTD_PHYSMAP)
466	&ezkit_flash_device_a,
467	&ezkit_flash_device_b,
468#endif
469
470#if IS_ENABLED(CONFIG_MTD_PLATRAM)
471	&sram_device_a,
472	&sram_device_b,
473#endif
474
475#if IS_ENABLED(CONFIG_SMC91X)
476	&smc91x_device,
477#endif
478
479#if IS_ENABLED(CONFIG_SPI_BFIN5XX)
480	&bfin_spi0_device,
481#endif
482
483#if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
484	&rtc_device,
485#endif
486
487#if IS_ENABLED(CONFIG_SERIAL_BFIN)
488#ifdef CONFIG_SERIAL_BFIN_UART0
489	&bfin_uart0_device,
490#endif
491#endif
492
493#if IS_ENABLED(CONFIG_BFIN_SIR)
494#ifdef CONFIG_BFIN_SIR0
495	&bfin_sir0_device,
496#endif
497#endif
498
499#if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
500	&bfin_device_gpiokeys,
501#endif
502
503#if IS_ENABLED(CONFIG_I2C_GPIO)
504	&i2c_gpio_device,
505#endif
506
507#if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
508	&bfin_i2s,
509#endif
510
511#if IS_ENABLED(CONFIG_SND_BF5XX_AC97)
512	&bfin_ac97,
513#endif
514};
515
516static int __init ezkit_init(void)
517{
518	printk(KERN_INFO "%s(): registering device resources\n", __func__);
519	platform_add_devices(ezkit_devices, ARRAY_SIZE(ezkit_devices));
520	spi_register_board_info(bfin_spi_board_info, ARRAY_SIZE(bfin_spi_board_info));
521	i2c_register_board_info(0, bfin_i2c_board_info,
522				ARRAY_SIZE(bfin_i2c_board_info));
523	return 0;
524}
525
526arch_initcall(ezkit_init);
527
528static struct platform_device *ezkit_early_devices[] __initdata = {
529#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
530#ifdef CONFIG_SERIAL_BFIN_UART0
531	&bfin_uart0_device,
532#endif
533#endif
534};
535
536void __init native_machine_early_platform_add_devices(void)
537{
538	printk(KERN_INFO "register early platform devices\n");
539	early_platform_add_devices(ezkit_early_devices,
540		ARRAY_SIZE(ezkit_early_devices));
541}
542