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-rw-r--r--arch/arm/mach-davinci/dm646x.c636
1 files changed, 636 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/dm646x.c b/arch/arm/mach-davinci/dm646x.c
new file mode 100644
index 000000000000..334f0711e0f5
--- /dev/null
+++ b/arch/arm/mach-davinci/dm646x.c
@@ -0,0 +1,636 @@
1/*
2 * TI DaVinci DM644x chip specific setup
3 *
4 * Author: Kevin Hilman, Deep Root Systems, LLC
5 *
6 * 2007 (c) Deep Root Systems, LLC. This file is licensed under
7 * the terms of the GNU General Public License version 2. This program
8 * is licensed "as is" without any warranty of any kind, whether express
9 * or implied.
10 */
11#include <linux/kernel.h>
12#include <linux/init.h>
13#include <linux/clk.h>
14#include <linux/serial_8250.h>
15#include <linux/platform_device.h>
16#include <linux/gpio.h>
17
18#include <asm/mach/map.h>
19
20#include <mach/dm646x.h>
21#include <mach/clock.h>
22#include <mach/cputype.h>
23#include <mach/edma.h>
24#include <mach/irqs.h>
25#include <mach/psc.h>
26#include <mach/mux.h>
27#include <mach/time.h>
28#include <mach/serial.h>
29#include <mach/common.h>
30
31#include "clock.h"
32#include "mux.h"
33
34/*
35 * Device specific clocks
36 */
37#define DM646X_REF_FREQ 27000000
38#define DM646X_AUX_FREQ 24000000
39
40static struct pll_data pll1_data = {
41 .num = 1,
42 .phys_base = DAVINCI_PLL1_BASE,
43};
44
45static struct pll_data pll2_data = {
46 .num = 2,
47 .phys_base = DAVINCI_PLL2_BASE,
48};
49
50static struct clk ref_clk = {
51 .name = "ref_clk",
52 .rate = DM646X_REF_FREQ,
53};
54
55static struct clk aux_clkin = {
56 .name = "aux_clkin",
57 .rate = DM646X_AUX_FREQ,
58};
59
60static struct clk pll1_clk = {
61 .name = "pll1",
62 .parent = &ref_clk,
63 .pll_data = &pll1_data,
64 .flags = CLK_PLL,
65};
66
67static struct clk pll1_sysclk1 = {
68 .name = "pll1_sysclk1",
69 .parent = &pll1_clk,
70 .flags = CLK_PLL,
71 .div_reg = PLLDIV1,
72};
73
74static struct clk pll1_sysclk2 = {
75 .name = "pll1_sysclk2",
76 .parent = &pll1_clk,
77 .flags = CLK_PLL,
78 .div_reg = PLLDIV2,
79};
80
81static struct clk pll1_sysclk3 = {
82 .name = "pll1_sysclk3",
83 .parent = &pll1_clk,
84 .flags = CLK_PLL,
85 .div_reg = PLLDIV3,
86};
87
88static struct clk pll1_sysclk4 = {
89 .name = "pll1_sysclk4",
90 .parent = &pll1_clk,
91 .flags = CLK_PLL,
92 .div_reg = PLLDIV4,
93};
94
95static struct clk pll1_sysclk5 = {
96 .name = "pll1_sysclk5",
97 .parent = &pll1_clk,
98 .flags = CLK_PLL,
99 .div_reg = PLLDIV5,
100};
101
102static struct clk pll1_sysclk6 = {
103 .name = "pll1_sysclk6",
104 .parent = &pll1_clk,
105 .flags = CLK_PLL,
106 .div_reg = PLLDIV6,
107};
108
109static struct clk pll1_sysclk8 = {
110 .name = "pll1_sysclk8",
111 .parent = &pll1_clk,
112 .flags = CLK_PLL,
113 .div_reg = PLLDIV8,
114};
115
116static struct clk pll1_sysclk9 = {
117 .name = "pll1_sysclk9",
118 .parent = &pll1_clk,
119 .flags = CLK_PLL,
120 .div_reg = PLLDIV9,
121};
122
123static struct clk pll1_sysclkbp = {
124 .name = "pll1_sysclkbp",
125 .parent = &pll1_clk,
126 .flags = CLK_PLL | PRE_PLL,
127 .div_reg = BPDIV,
128};
129
130static struct clk pll1_aux_clk = {
131 .name = "pll1_aux_clk",
132 .parent = &pll1_clk,
133 .flags = CLK_PLL | PRE_PLL,
134};
135
136static struct clk pll2_clk = {
137 .name = "pll2_clk",
138 .parent = &ref_clk,
139 .pll_data = &pll2_data,
140 .flags = CLK_PLL,
141};
142
143static struct clk pll2_sysclk1 = {
144 .name = "pll2_sysclk1",
145 .parent = &pll2_clk,
146 .flags = CLK_PLL,
147 .div_reg = PLLDIV1,
148};
149
150static struct clk dsp_clk = {
151 .name = "dsp",
152 .parent = &pll1_sysclk1,
153 .lpsc = DM646X_LPSC_C64X_CPU,
154 .flags = PSC_DSP,
155 .usecount = 1, /* REVISIT how to disable? */
156};
157
158static struct clk arm_clk = {
159 .name = "arm",
160 .parent = &pll1_sysclk2,
161 .lpsc = DM646X_LPSC_ARM,
162 .flags = ALWAYS_ENABLED,
163};
164
165static struct clk uart0_clk = {
166 .name = "uart0",
167 .parent = &aux_clkin,
168 .lpsc = DM646X_LPSC_UART0,
169};
170
171static struct clk uart1_clk = {
172 .name = "uart1",
173 .parent = &aux_clkin,
174 .lpsc = DM646X_LPSC_UART1,
175};
176
177static struct clk uart2_clk = {
178 .name = "uart2",
179 .parent = &aux_clkin,
180 .lpsc = DM646X_LPSC_UART2,
181};
182
183static struct clk i2c_clk = {
184 .name = "I2CCLK",
185 .parent = &pll1_sysclk3,
186 .lpsc = DM646X_LPSC_I2C,
187};
188
189static struct clk gpio_clk = {
190 .name = "gpio",
191 .parent = &pll1_sysclk3,
192 .lpsc = DM646X_LPSC_GPIO,
193};
194
195static struct clk aemif_clk = {
196 .name = "aemif",
197 .parent = &pll1_sysclk3,
198 .lpsc = DM646X_LPSC_AEMIF,
199 .flags = ALWAYS_ENABLED,
200};
201
202static struct clk emac_clk = {
203 .name = "emac",
204 .parent = &pll1_sysclk3,
205 .lpsc = DM646X_LPSC_EMAC,
206};
207
208static struct clk pwm0_clk = {
209 .name = "pwm0",
210 .parent = &pll1_sysclk3,
211 .lpsc = DM646X_LPSC_PWM0,
212 .usecount = 1, /* REVIST: disabling hangs system */
213};
214
215static struct clk pwm1_clk = {
216 .name = "pwm1",
217 .parent = &pll1_sysclk3,
218 .lpsc = DM646X_LPSC_PWM1,
219 .usecount = 1, /* REVIST: disabling hangs system */
220};
221
222static struct clk timer0_clk = {
223 .name = "timer0",
224 .parent = &pll1_sysclk3,
225 .lpsc = DM646X_LPSC_TIMER0,
226};
227
228static struct clk timer1_clk = {
229 .name = "timer1",
230 .parent = &pll1_sysclk3,
231 .lpsc = DM646X_LPSC_TIMER1,
232};
233
234static struct clk timer2_clk = {
235 .name = "timer2",
236 .parent = &pll1_sysclk3,
237 .flags = ALWAYS_ENABLED, /* no LPSC, always enabled; c.f. spruep9a */
238};
239
240static struct clk vpif0_clk = {
241 .name = "vpif0",
242 .parent = &ref_clk,
243 .lpsc = DM646X_LPSC_VPSSMSTR,
244 .flags = ALWAYS_ENABLED,
245};
246
247static struct clk vpif1_clk = {
248 .name = "vpif1",
249 .parent = &ref_clk,
250 .lpsc = DM646X_LPSC_VPSSSLV,
251 .flags = ALWAYS_ENABLED,
252};
253
254struct davinci_clk dm646x_clks[] = {
255 CLK(NULL, "ref", &ref_clk),
256 CLK(NULL, "aux", &aux_clkin),
257 CLK(NULL, "pll1", &pll1_clk),
258 CLK(NULL, "pll1_sysclk", &pll1_sysclk1),
259 CLK(NULL, "pll1_sysclk", &pll1_sysclk2),
260 CLK(NULL, "pll1_sysclk", &pll1_sysclk3),
261 CLK(NULL, "pll1_sysclk", &pll1_sysclk4),
262 CLK(NULL, "pll1_sysclk", &pll1_sysclk5),
263 CLK(NULL, "pll1_sysclk", &pll1_sysclk6),
264 CLK(NULL, "pll1_sysclk", &pll1_sysclk8),
265 CLK(NULL, "pll1_sysclk", &pll1_sysclk9),
266 CLK(NULL, "pll1_sysclk", &pll1_sysclkbp),
267 CLK(NULL, "pll1_aux", &pll1_aux_clk),
268 CLK(NULL, "pll2", &pll2_clk),
269 CLK(NULL, "pll2_sysclk1", &pll2_sysclk1),
270 CLK(NULL, "dsp", &dsp_clk),
271 CLK(NULL, "arm", &arm_clk),
272 CLK(NULL, "uart0", &uart0_clk),
273 CLK(NULL, "uart1", &uart1_clk),
274 CLK(NULL, "uart2", &uart2_clk),
275 CLK("i2c_davinci.1", NULL, &i2c_clk),
276 CLK(NULL, "gpio", &gpio_clk),
277 CLK(NULL, "aemif", &aemif_clk),
278 CLK("davinci_emac.1", NULL, &emac_clk),
279 CLK(NULL, "pwm0", &pwm0_clk),
280 CLK(NULL, "pwm1", &pwm1_clk),
281 CLK(NULL, "timer0", &timer0_clk),
282 CLK(NULL, "timer1", &timer1_clk),
283 CLK("watchdog", NULL, &timer2_clk),
284 CLK(NULL, "vpif0", &vpif0_clk),
285 CLK(NULL, "vpif1", &vpif1_clk),
286 CLK(NULL, NULL, NULL),
287};
288
289static struct emac_platform_data dm646x_emac_pdata = {
290 .ctrl_reg_offset = DM646X_EMAC_CNTRL_OFFSET,
291 .ctrl_mod_reg_offset = DM646X_EMAC_CNTRL_MOD_OFFSET,
292 .ctrl_ram_offset = DM646X_EMAC_CNTRL_RAM_OFFSET,
293 .mdio_reg_offset = DM646X_EMAC_MDIO_OFFSET,
294 .ctrl_ram_size = DM646X_EMAC_CNTRL_RAM_SIZE,
295 .version = EMAC_VERSION_2,
296};
297
298static struct resource dm646x_emac_resources[] = {
299 {
300 .start = DM646X_EMAC_BASE,
301 .end = DM646X_EMAC_BASE + 0x47ff,
302 .flags = IORESOURCE_MEM,
303 },
304 {
305 .start = IRQ_DM646X_EMACRXTHINT,
306 .end = IRQ_DM646X_EMACRXTHINT,
307 .flags = IORESOURCE_IRQ,
308 },
309 {
310 .start = IRQ_DM646X_EMACRXINT,
311 .end = IRQ_DM646X_EMACRXINT,
312 .flags = IORESOURCE_IRQ,
313 },
314 {
315 .start = IRQ_DM646X_EMACTXINT,
316 .end = IRQ_DM646X_EMACTXINT,
317 .flags = IORESOURCE_IRQ,
318 },
319 {
320 .start = IRQ_DM646X_EMACMISCINT,
321 .end = IRQ_DM646X_EMACMISCINT,
322 .flags = IORESOURCE_IRQ,
323 },
324};
325
326static struct platform_device dm646x_emac_device = {
327 .name = "davinci_emac",
328 .id = 1,
329 .dev = {
330 .platform_data = &dm646x_emac_pdata,
331 },
332 .num_resources = ARRAY_SIZE(dm646x_emac_resources),
333 .resource = dm646x_emac_resources,
334};
335
336#define PINMUX0 0x00
337#define PINMUX1 0x04
338
339/*
340 * Device specific mux setup
341 *
342 * soc description mux mode mode mux dbg
343 * reg offset mask mode
344 */
345static const struct mux_config dm646x_pins[] = {
346#ifdef CONFIG_DAVINCI_MUX
347MUX_CFG(DM646X, ATAEN, 0, 0, 1, 1, true)
348
349MUX_CFG(DM646X, AUDCK1, 0, 29, 1, 0, false)
350
351MUX_CFG(DM646X, AUDCK0, 0, 28, 1, 0, false)
352
353MUX_CFG(DM646X, CRGMUX, 0, 24, 7, 5, true)
354
355MUX_CFG(DM646X, STSOMUX_DISABLE, 0, 22, 3, 0, true)
356
357MUX_CFG(DM646X, STSIMUX_DISABLE, 0, 20, 3, 0, true)
358
359MUX_CFG(DM646X, PTSOMUX_DISABLE, 0, 18, 3, 0, true)
360
361MUX_CFG(DM646X, PTSIMUX_DISABLE, 0, 16, 3, 0, true)
362
363MUX_CFG(DM646X, STSOMUX, 0, 22, 3, 2, true)
364
365MUX_CFG(DM646X, STSIMUX, 0, 20, 3, 2, true)
366
367MUX_CFG(DM646X, PTSOMUX_PARALLEL, 0, 18, 3, 2, true)
368
369MUX_CFG(DM646X, PTSIMUX_PARALLEL, 0, 16, 3, 2, true)
370
371MUX_CFG(DM646X, PTSOMUX_SERIAL, 0, 18, 3, 3, true)
372
373MUX_CFG(DM646X, PTSIMUX_SERIAL, 0, 16, 3, 3, true)
374#endif
375};
376
377static u8 dm646x_default_priorities[DAVINCI_N_AINTC_IRQ] = {
378 [IRQ_DM646X_VP_VERTINT0] = 7,
379 [IRQ_DM646X_VP_VERTINT1] = 7,
380 [IRQ_DM646X_VP_VERTINT2] = 7,
381 [IRQ_DM646X_VP_VERTINT3] = 7,
382 [IRQ_DM646X_VP_ERRINT] = 7,
383 [IRQ_DM646X_RESERVED_1] = 7,
384 [IRQ_DM646X_RESERVED_2] = 7,
385 [IRQ_DM646X_WDINT] = 7,
386 [IRQ_DM646X_CRGENINT0] = 7,
387 [IRQ_DM646X_CRGENINT1] = 7,
388 [IRQ_DM646X_TSIFINT0] = 7,
389 [IRQ_DM646X_TSIFINT1] = 7,
390 [IRQ_DM646X_VDCEINT] = 7,
391 [IRQ_DM646X_USBINT] = 7,
392 [IRQ_DM646X_USBDMAINT] = 7,
393 [IRQ_DM646X_PCIINT] = 7,
394 [IRQ_CCINT0] = 7, /* dma */
395 [IRQ_CCERRINT] = 7, /* dma */
396 [IRQ_TCERRINT0] = 7, /* dma */
397 [IRQ_TCERRINT] = 7, /* dma */
398 [IRQ_DM646X_TCERRINT2] = 7,
399 [IRQ_DM646X_TCERRINT3] = 7,
400 [IRQ_DM646X_IDE] = 7,
401 [IRQ_DM646X_HPIINT] = 7,
402 [IRQ_DM646X_EMACRXTHINT] = 7,
403 [IRQ_DM646X_EMACRXINT] = 7,
404 [IRQ_DM646X_EMACTXINT] = 7,
405 [IRQ_DM646X_EMACMISCINT] = 7,
406 [IRQ_DM646X_MCASP0TXINT] = 7,
407 [IRQ_DM646X_MCASP0RXINT] = 7,
408 [IRQ_AEMIFINT] = 7,
409 [IRQ_DM646X_RESERVED_3] = 7,
410 [IRQ_DM646X_MCASP1TXINT] = 7, /* clockevent */
411 [IRQ_TINT0_TINT34] = 7, /* clocksource */
412 [IRQ_TINT1_TINT12] = 7, /* DSP timer */
413 [IRQ_TINT1_TINT34] = 7, /* system tick */
414 [IRQ_PWMINT0] = 7,
415 [IRQ_PWMINT1] = 7,
416 [IRQ_DM646X_VLQINT] = 7,
417 [IRQ_I2C] = 7,
418 [IRQ_UARTINT0] = 7,
419 [IRQ_UARTINT1] = 7,
420 [IRQ_DM646X_UARTINT2] = 7,
421 [IRQ_DM646X_SPINT0] = 7,
422 [IRQ_DM646X_SPINT1] = 7,
423 [IRQ_DM646X_DSP2ARMINT] = 7,
424 [IRQ_DM646X_RESERVED_4] = 7,
425 [IRQ_DM646X_PSCINT] = 7,
426 [IRQ_DM646X_GPIO0] = 7,
427 [IRQ_DM646X_GPIO1] = 7,
428 [IRQ_DM646X_GPIO2] = 7,
429 [IRQ_DM646X_GPIO3] = 7,
430 [IRQ_DM646X_GPIO4] = 7,
431 [IRQ_DM646X_GPIO5] = 7,
432 [IRQ_DM646X_GPIO6] = 7,
433 [IRQ_DM646X_GPIO7] = 7,
434 [IRQ_DM646X_GPIOBNK0] = 7,
435 [IRQ_DM646X_GPIOBNK1] = 7,
436 [IRQ_DM646X_GPIOBNK2] = 7,
437 [IRQ_DM646X_DDRINT] = 7,
438 [IRQ_DM646X_AEMIFINT] = 7,
439 [IRQ_COMMTX] = 7,
440 [IRQ_COMMRX] = 7,
441 [IRQ_EMUINT] = 7,
442};
443
444/*----------------------------------------------------------------------*/
445
446static const s8 dma_chan_dm646x_no_event[] = {
447 0, 1, 2, 3, 13,
448 14, 15, 24, 25, 26,
449 27, 30, 31, 54, 55,
450 56,
451 -1
452};
453
454static struct edma_soc_info dm646x_edma_info = {
455 .n_channel = 64,
456 .n_region = 6, /* 0-1, 4-7 */
457 .n_slot = 512,
458 .n_tc = 4,
459 .noevent = dma_chan_dm646x_no_event,
460};
461
462static struct resource edma_resources[] = {
463 {
464 .name = "edma_cc",
465 .start = 0x01c00000,
466 .end = 0x01c00000 + SZ_64K - 1,
467 .flags = IORESOURCE_MEM,
468 },
469 {
470 .name = "edma_tc0",
471 .start = 0x01c10000,
472 .end = 0x01c10000 + SZ_1K - 1,
473 .flags = IORESOURCE_MEM,
474 },
475 {
476 .name = "edma_tc1",
477 .start = 0x01c10400,
478 .end = 0x01c10400 + SZ_1K - 1,
479 .flags = IORESOURCE_MEM,
480 },
481 {
482 .name = "edma_tc2",
483 .start = 0x01c10800,
484 .end = 0x01c10800 + SZ_1K - 1,
485 .flags = IORESOURCE_MEM,
486 },
487 {
488 .name = "edma_tc3",
489 .start = 0x01c10c00,
490 .end = 0x01c10c00 + SZ_1K - 1,
491 .flags = IORESOURCE_MEM,
492 },
493 {
494 .start = IRQ_CCINT0,
495 .flags = IORESOURCE_IRQ,
496 },
497 {
498 .start = IRQ_CCERRINT,
499 .flags = IORESOURCE_IRQ,
500 },
501 /* not using TC*_ERR */
502};
503
504static struct platform_device dm646x_edma_device = {
505 .name = "edma",
506 .id = -1,
507 .dev.platform_data = &dm646x_edma_info,
508 .num_resources = ARRAY_SIZE(edma_resources),
509 .resource = edma_resources,
510};
511
512/*----------------------------------------------------------------------*/
513
514static struct map_desc dm646x_io_desc[] = {
515 {
516 .virtual = IO_VIRT,
517 .pfn = __phys_to_pfn(IO_PHYS),
518 .length = IO_SIZE,
519 .type = MT_DEVICE
520 },
521 {
522 .virtual = SRAM_VIRT,
523 .pfn = __phys_to_pfn(0x00010000),
524 .length = SZ_32K,
525 /* MT_MEMORY_NONCACHED requires supersection alignment */
526 .type = MT_DEVICE,
527 },
528};
529
530/* Contents of JTAG ID register used to identify exact cpu type */
531static struct davinci_id dm646x_ids[] = {
532 {
533 .variant = 0x0,
534 .part_no = 0xb770,
535 .manufacturer = 0x017,
536 .cpu_id = DAVINCI_CPU_ID_DM6467,
537 .name = "dm6467",
538 },
539};
540
541static void __iomem *dm646x_psc_bases[] = {
542 IO_ADDRESS(DAVINCI_PWR_SLEEP_CNTRL_BASE),
543};
544
545/*
546 * T0_BOT: Timer 0, bottom: clockevent source for hrtimers
547 * T0_TOP: Timer 0, top : clocksource for generic timekeeping
548 * T1_BOT: Timer 1, bottom: (used by DSP in TI DSPLink code)
549 * T1_TOP: Timer 1, top : <unused>
550 */
551struct davinci_timer_info dm646x_timer_info = {
552 .timers = davinci_timer_instance,
553 .clockevent_id = T0_BOT,
554 .clocksource_id = T0_TOP,
555};
556
557static struct plat_serial8250_port dm646x_serial_platform_data[] = {
558 {
559 .mapbase = DAVINCI_UART0_BASE,
560 .irq = IRQ_UARTINT0,
561 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
562 UPF_IOREMAP,
563 .iotype = UPIO_MEM32,
564 .regshift = 2,
565 },
566 {
567 .mapbase = DAVINCI_UART1_BASE,
568 .irq = IRQ_UARTINT1,
569 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
570 UPF_IOREMAP,
571 .iotype = UPIO_MEM32,
572 .regshift = 2,
573 },
574 {
575 .mapbase = DAVINCI_UART2_BASE,
576 .irq = IRQ_DM646X_UARTINT2,
577 .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST |
578 UPF_IOREMAP,
579 .iotype = UPIO_MEM32,
580 .regshift = 2,
581 },
582 {
583 .flags = 0
584 },
585};
586
587static struct platform_device dm646x_serial_device = {
588 .name = "serial8250",
589 .id = PLAT8250_DEV_PLATFORM,
590 .dev = {
591 .platform_data = dm646x_serial_platform_data,
592 },
593};
594
595static struct davinci_soc_info davinci_soc_info_dm646x = {
596 .io_desc = dm646x_io_desc,
597 .io_desc_num = ARRAY_SIZE(dm646x_io_desc),
598 .jtag_id_base = IO_ADDRESS(0x01c40028),
599 .ids = dm646x_ids,
600 .ids_num = ARRAY_SIZE(dm646x_ids),
601 .cpu_clks = dm646x_clks,
602 .psc_bases = dm646x_psc_bases,
603 .psc_bases_num = ARRAY_SIZE(dm646x_psc_bases),
604 .pinmux_base = IO_ADDRESS(DAVINCI_SYSTEM_MODULE_BASE),
605 .pinmux_pins = dm646x_pins,
606 .pinmux_pins_num = ARRAY_SIZE(dm646x_pins),
607 .intc_base = IO_ADDRESS(DAVINCI_ARM_INTC_BASE),
608 .intc_type = DAVINCI_INTC_TYPE_AINTC,
609 .intc_irq_prios = dm646x_default_priorities,
610 .intc_irq_num = DAVINCI_N_AINTC_IRQ,
611 .timer_info = &dm646x_timer_info,
612 .wdt_base = IO_ADDRESS(DAVINCI_WDOG_BASE),
613 .gpio_base = IO_ADDRESS(DAVINCI_GPIO_BASE),
614 .gpio_num = 43, /* Only 33 usable */
615 .gpio_irq = IRQ_DM646X_GPIOBNK0,
616 .serial_dev = &dm646x_serial_device,
617 .emac_pdata = &dm646x_emac_pdata,
618 .sram_dma = 0x10010000,
619 .sram_len = SZ_32K,
620};
621
622void __init dm646x_init(void)
623{
624 davinci_common_init(&davinci_soc_info_dm646x);
625}
626
627static int __init dm646x_init_devices(void)
628{
629 if (!cpu_is_davinci_dm646x())
630 return 0;
631
632 platform_device_register(&dm646x_edma_device);
633 platform_device_register(&dm646x_emac_device);
634 return 0;
635}
636postcore_initcall(dm646x_init_devices);