2 * On-Chip devices setup code for the AT91SAM9G45 family
4 * Copyright (C) 2009 Atmel Corporation.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
12 #include <asm/mach/arch.h>
13 #include <asm/mach/map.h>
15 #include <linux/dma-mapping.h>
16 #include <linux/gpio.h>
17 #include <linux/clk.h>
18 #include <linux/platform_device.h>
19 #include <linux/i2c-gpio.h>
20 #include <linux/atmel-mci.h>
21 #include <linux/platform_data/crypto-atmel.h>
23 #include <linux/platform_data/at91_adc.h>
26 #include <video/atmel_lcdc.h>
28 #include <mach/at91_adc.h>
29 #include <mach/at91sam9g45.h>
30 #include <mach/at91sam9g45_matrix.h>
31 #include <mach/at91_matrix.h>
32 #include <mach/at91sam9_smc.h>
33 #include <linux/platform_data/dma-atmel.h>
34 #include <mach/atmel-mci.h>
36 #include <media/atmel-isi.h>
43 /* --------------------------------------------------------------------
44 * HDMAC - AHB DMA Controller
45 * -------------------------------------------------------------------- */
47 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
48 static u64 hdmac_dmamask
= DMA_BIT_MASK(32);
50 static struct resource hdmac_resources
[] = {
52 .start
= AT91SAM9G45_BASE_DMA
,
53 .end
= AT91SAM9G45_BASE_DMA
+ SZ_512
- 1,
54 .flags
= IORESOURCE_MEM
,
57 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_DMA
,
58 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_DMA
,
59 .flags
= IORESOURCE_IRQ
,
63 static struct platform_device at_hdmac_device
= {
64 .name
= "at91sam9g45_dma",
67 .dma_mask
= &hdmac_dmamask
,
68 .coherent_dma_mask
= DMA_BIT_MASK(32),
70 .resource
= hdmac_resources
,
71 .num_resources
= ARRAY_SIZE(hdmac_resources
),
74 void __init
at91_add_device_hdmac(void)
76 platform_device_register(&at_hdmac_device
);
79 void __init
at91_add_device_hdmac(void) {}
83 /* --------------------------------------------------------------------
85 * -------------------------------------------------------------------- */
87 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
88 static u64 ohci_dmamask
= DMA_BIT_MASK(32);
89 static struct at91_usbh_data usbh_ohci_data
;
91 static struct resource usbh_ohci_resources
[] = {
93 .start
= AT91SAM9G45_OHCI_BASE
,
94 .end
= AT91SAM9G45_OHCI_BASE
+ SZ_1M
- 1,
95 .flags
= IORESOURCE_MEM
,
98 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UHPHS
,
99 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UHPHS
,
100 .flags
= IORESOURCE_IRQ
,
104 static struct platform_device at91_usbh_ohci_device
= {
108 .dma_mask
= &ohci_dmamask
,
109 .coherent_dma_mask
= DMA_BIT_MASK(32),
110 .platform_data
= &usbh_ohci_data
,
112 .resource
= usbh_ohci_resources
,
113 .num_resources
= ARRAY_SIZE(usbh_ohci_resources
),
116 void __init
at91_add_device_usbh_ohci(struct at91_usbh_data
*data
)
123 /* Enable VBus control for UHP ports */
124 for (i
= 0; i
< data
->ports
; i
++) {
125 if (gpio_is_valid(data
->vbus_pin
[i
]))
126 at91_set_gpio_output(data
->vbus_pin
[i
],
127 data
->vbus_pin_active_low
[i
]);
130 /* Enable overcurrent notification */
131 for (i
= 0; i
< data
->ports
; i
++) {
132 if (gpio_is_valid(data
->overcurrent_pin
[i
]))
133 at91_set_gpio_input(data
->overcurrent_pin
[i
], 1);
136 usbh_ohci_data
= *data
;
137 platform_device_register(&at91_usbh_ohci_device
);
140 void __init
at91_add_device_usbh_ohci(struct at91_usbh_data
*data
) {}
144 /* --------------------------------------------------------------------
146 * Needs an OHCI host for low and full speed management
147 * -------------------------------------------------------------------- */
149 #if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_EHCI_HCD_MODULE)
150 static u64 ehci_dmamask
= DMA_BIT_MASK(32);
151 static struct at91_usbh_data usbh_ehci_data
;
153 static struct resource usbh_ehci_resources
[] = {
155 .start
= AT91SAM9G45_EHCI_BASE
,
156 .end
= AT91SAM9G45_EHCI_BASE
+ SZ_1M
- 1,
157 .flags
= IORESOURCE_MEM
,
160 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UHPHS
,
161 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UHPHS
,
162 .flags
= IORESOURCE_IRQ
,
166 static struct platform_device at91_usbh_ehci_device
= {
167 .name
= "atmel-ehci",
170 .dma_mask
= &ehci_dmamask
,
171 .coherent_dma_mask
= DMA_BIT_MASK(32),
172 .platform_data
= &usbh_ehci_data
,
174 .resource
= usbh_ehci_resources
,
175 .num_resources
= ARRAY_SIZE(usbh_ehci_resources
),
178 void __init
at91_add_device_usbh_ehci(struct at91_usbh_data
*data
)
185 /* Enable VBus control for UHP ports */
186 for (i
= 0; i
< data
->ports
; i
++) {
187 if (gpio_is_valid(data
->vbus_pin
[i
]))
188 at91_set_gpio_output(data
->vbus_pin
[i
],
189 data
->vbus_pin_active_low
[i
]);
192 usbh_ehci_data
= *data
;
193 platform_device_register(&at91_usbh_ehci_device
);
196 void __init
at91_add_device_usbh_ehci(struct at91_usbh_data
*data
) {}
200 /* --------------------------------------------------------------------
201 * USB HS Device (Gadget)
202 * -------------------------------------------------------------------- */
204 #if defined(CONFIG_USB_ATMEL_USBA) || defined(CONFIG_USB_ATMEL_USBA_MODULE)
205 static struct resource usba_udc_resources
[] = {
207 .start
= AT91SAM9G45_UDPHS_FIFO
,
208 .end
= AT91SAM9G45_UDPHS_FIFO
+ SZ_512K
- 1,
209 .flags
= IORESOURCE_MEM
,
212 .start
= AT91SAM9G45_BASE_UDPHS
,
213 .end
= AT91SAM9G45_BASE_UDPHS
+ SZ_1K
- 1,
214 .flags
= IORESOURCE_MEM
,
217 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UDPHS
,
218 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_UDPHS
,
219 .flags
= IORESOURCE_IRQ
,
223 #define EP(nam, idx, maxpkt, maxbk, dma, isoc) \
227 .fifo_size = maxpkt, \
233 static struct usba_ep_data usba_udc_ep
[] __initdata
= {
234 EP("ep0", 0, 64, 1, 0, 0),
235 EP("ep1", 1, 1024, 2, 1, 1),
236 EP("ep2", 2, 1024, 2, 1, 1),
237 EP("ep3", 3, 1024, 3, 1, 0),
238 EP("ep4", 4, 1024, 3, 1, 0),
239 EP("ep5", 5, 1024, 3, 1, 1),
240 EP("ep6", 6, 1024, 3, 1, 1),
246 * pdata doesn't have room for any endpoints, so we need to
247 * append room for the ones we need right after it.
250 struct usba_platform_data pdata
;
251 struct usba_ep_data ep
[7];
254 static struct platform_device at91_usba_udc_device
= {
255 .name
= "atmel_usba_udc",
258 .platform_data
= &usba_udc_data
.pdata
,
260 .resource
= usba_udc_resources
,
261 .num_resources
= ARRAY_SIZE(usba_udc_resources
),
264 void __init
at91_add_device_usba(struct usba_platform_data
*data
)
266 usba_udc_data
.pdata
.vbus_pin
= -EINVAL
;
267 usba_udc_data
.pdata
.num_ep
= ARRAY_SIZE(usba_udc_ep
);
268 memcpy(usba_udc_data
.ep
, usba_udc_ep
, sizeof(usba_udc_ep
));
270 if (data
&& gpio_is_valid(data
->vbus_pin
)) {
271 at91_set_gpio_input(data
->vbus_pin
, 0);
272 at91_set_deglitch(data
->vbus_pin
, 1);
273 usba_udc_data
.pdata
.vbus_pin
= data
->vbus_pin
;
276 /* Pullup pin is handled internally by USB device peripheral */
278 platform_device_register(&at91_usba_udc_device
);
281 void __init
at91_add_device_usba(struct usba_platform_data
*data
) {}
285 /* --------------------------------------------------------------------
287 * -------------------------------------------------------------------- */
289 #if defined(CONFIG_MACB) || defined(CONFIG_MACB_MODULE)
290 static u64 eth_dmamask
= DMA_BIT_MASK(32);
291 static struct macb_platform_data eth_data
;
293 static struct resource eth_resources
[] = {
295 .start
= AT91SAM9G45_BASE_EMAC
,
296 .end
= AT91SAM9G45_BASE_EMAC
+ SZ_16K
- 1,
297 .flags
= IORESOURCE_MEM
,
300 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_EMAC
,
301 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_EMAC
,
302 .flags
= IORESOURCE_IRQ
,
306 static struct platform_device at91sam9g45_eth_device
= {
310 .dma_mask
= ð_dmamask
,
311 .coherent_dma_mask
= DMA_BIT_MASK(32),
312 .platform_data
= ð_data
,
314 .resource
= eth_resources
,
315 .num_resources
= ARRAY_SIZE(eth_resources
),
318 void __init
at91_add_device_eth(struct macb_platform_data
*data
)
323 if (gpio_is_valid(data
->phy_irq_pin
)) {
324 at91_set_gpio_input(data
->phy_irq_pin
, 0);
325 at91_set_deglitch(data
->phy_irq_pin
, 1);
328 /* Pins used for MII and RMII */
329 at91_set_A_periph(AT91_PIN_PA17
, 0); /* ETXCK_EREFCK */
330 at91_set_A_periph(AT91_PIN_PA15
, 0); /* ERXDV */
331 at91_set_A_periph(AT91_PIN_PA12
, 0); /* ERX0 */
332 at91_set_A_periph(AT91_PIN_PA13
, 0); /* ERX1 */
333 at91_set_A_periph(AT91_PIN_PA16
, 0); /* ERXER */
334 at91_set_A_periph(AT91_PIN_PA14
, 0); /* ETXEN */
335 at91_set_A_periph(AT91_PIN_PA10
, 0); /* ETX0 */
336 at91_set_A_periph(AT91_PIN_PA11
, 0); /* ETX1 */
337 at91_set_A_periph(AT91_PIN_PA19
, 0); /* EMDIO */
338 at91_set_A_periph(AT91_PIN_PA18
, 0); /* EMDC */
340 if (!data
->is_rmii
) {
341 at91_set_B_periph(AT91_PIN_PA29
, 0); /* ECRS */
342 at91_set_B_periph(AT91_PIN_PA30
, 0); /* ECOL */
343 at91_set_B_periph(AT91_PIN_PA8
, 0); /* ERX2 */
344 at91_set_B_periph(AT91_PIN_PA9
, 0); /* ERX3 */
345 at91_set_B_periph(AT91_PIN_PA28
, 0); /* ERXCK */
346 at91_set_B_periph(AT91_PIN_PA6
, 0); /* ETX2 */
347 at91_set_B_periph(AT91_PIN_PA7
, 0); /* ETX3 */
348 at91_set_B_periph(AT91_PIN_PA27
, 0); /* ETXER */
352 platform_device_register(&at91sam9g45_eth_device
);
355 void __init
at91_add_device_eth(struct macb_platform_data
*data
) {}
359 /* --------------------------------------------------------------------
361 * -------------------------------------------------------------------- */
363 #if defined(CONFIG_MMC_ATMELMCI) || defined(CONFIG_MMC_ATMELMCI_MODULE)
364 static u64 mmc_dmamask
= DMA_BIT_MASK(32);
365 static struct mci_platform_data mmc0_data
, mmc1_data
;
367 static struct resource mmc0_resources
[] = {
369 .start
= AT91SAM9G45_BASE_MCI0
,
370 .end
= AT91SAM9G45_BASE_MCI0
+ SZ_16K
- 1,
371 .flags
= IORESOURCE_MEM
,
374 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_MCI0
,
375 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_MCI0
,
376 .flags
= IORESOURCE_IRQ
,
380 static struct platform_device at91sam9g45_mmc0_device
= {
384 .dma_mask
= &mmc_dmamask
,
385 .coherent_dma_mask
= DMA_BIT_MASK(32),
386 .platform_data
= &mmc0_data
,
388 .resource
= mmc0_resources
,
389 .num_resources
= ARRAY_SIZE(mmc0_resources
),
392 static struct resource mmc1_resources
[] = {
394 .start
= AT91SAM9G45_BASE_MCI1
,
395 .end
= AT91SAM9G45_BASE_MCI1
+ SZ_16K
- 1,
396 .flags
= IORESOURCE_MEM
,
399 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_MCI1
,
400 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_MCI1
,
401 .flags
= IORESOURCE_IRQ
,
405 static struct platform_device at91sam9g45_mmc1_device
= {
409 .dma_mask
= &mmc_dmamask
,
410 .coherent_dma_mask
= DMA_BIT_MASK(32),
411 .platform_data
= &mmc1_data
,
413 .resource
= mmc1_resources
,
414 .num_resources
= ARRAY_SIZE(mmc1_resources
),
417 /* Consider only one slot : slot 0 */
418 void __init
at91_add_device_mci(short mmc_id
, struct mci_platform_data
*data
)
424 /* Must have at least one usable slot */
425 if (!data
->slot
[0].bus_width
)
428 #if defined(CONFIG_AT_HDMAC) || defined(CONFIG_AT_HDMAC_MODULE)
430 struct at_dma_slave
*atslave
;
431 struct mci_dma_data
*alt_atslave
;
433 alt_atslave
= kzalloc(sizeof(struct mci_dma_data
), GFP_KERNEL
);
434 atslave
= &alt_atslave
->sdata
;
436 /* DMA slave channel configuration */
437 atslave
->dma_dev
= &at_hdmac_device
.dev
;
438 atslave
->cfg
= ATC_FIFOCFG_HALFFIFO
439 | ATC_SRC_H2SEL_HW
| ATC_DST_H2SEL_HW
;
440 if (mmc_id
== 0) /* MCI0 */
441 atslave
->cfg
|= ATC_SRC_PER(AT_DMA_ID_MCI0
)
442 | ATC_DST_PER(AT_DMA_ID_MCI0
);
445 atslave
->cfg
|= ATC_SRC_PER(AT_DMA_ID_MCI1
)
446 | ATC_DST_PER(AT_DMA_ID_MCI1
);
448 data
->dma_slave
= alt_atslave
;
454 if (gpio_is_valid(data
->slot
[0].detect_pin
)) {
455 at91_set_gpio_input(data
->slot
[0].detect_pin
, 1);
456 at91_set_deglitch(data
->slot
[0].detect_pin
, 1);
458 if (gpio_is_valid(data
->slot
[0].wp_pin
))
459 at91_set_gpio_input(data
->slot
[0].wp_pin
, 1);
461 if (mmc_id
== 0) { /* MCI0 */
464 at91_set_A_periph(AT91_PIN_PA0
, 0);
467 at91_set_A_periph(AT91_PIN_PA1
, 1);
469 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
470 at91_set_A_periph(AT91_PIN_PA2
, 1);
471 if (data
->slot
[0].bus_width
== 4) {
472 at91_set_A_periph(AT91_PIN_PA3
, 1);
473 at91_set_A_periph(AT91_PIN_PA4
, 1);
474 at91_set_A_periph(AT91_PIN_PA5
, 1);
475 if (data
->slot
[0].bus_width
== 8) {
476 at91_set_A_periph(AT91_PIN_PA6
, 1);
477 at91_set_A_periph(AT91_PIN_PA7
, 1);
478 at91_set_A_periph(AT91_PIN_PA8
, 1);
479 at91_set_A_periph(AT91_PIN_PA9
, 1);
484 platform_device_register(&at91sam9g45_mmc0_device
);
489 at91_set_A_periph(AT91_PIN_PA31
, 0);
492 at91_set_A_periph(AT91_PIN_PA22
, 1);
494 /* DAT0, maybe DAT1..DAT3 and maybe DAT4..DAT7 */
495 at91_set_A_periph(AT91_PIN_PA23
, 1);
496 if (data
->slot
[0].bus_width
== 4) {
497 at91_set_A_periph(AT91_PIN_PA24
, 1);
498 at91_set_A_periph(AT91_PIN_PA25
, 1);
499 at91_set_A_periph(AT91_PIN_PA26
, 1);
500 if (data
->slot
[0].bus_width
== 8) {
501 at91_set_A_periph(AT91_PIN_PA27
, 1);
502 at91_set_A_periph(AT91_PIN_PA28
, 1);
503 at91_set_A_periph(AT91_PIN_PA29
, 1);
504 at91_set_A_periph(AT91_PIN_PA30
, 1);
509 platform_device_register(&at91sam9g45_mmc1_device
);
514 void __init
at91_add_device_mci(short mmc_id
, struct mci_platform_data
*data
) {}
518 /* --------------------------------------------------------------------
520 * -------------------------------------------------------------------- */
522 #if defined(CONFIG_MTD_NAND_ATMEL) || defined(CONFIG_MTD_NAND_ATMEL_MODULE)
523 static struct atmel_nand_data nand_data
;
525 #define NAND_BASE AT91_CHIPSELECT_3
527 static struct resource nand_resources
[] = {
530 .end
= NAND_BASE
+ SZ_256M
- 1,
531 .flags
= IORESOURCE_MEM
,
534 .start
= AT91SAM9G45_BASE_ECC
,
535 .end
= AT91SAM9G45_BASE_ECC
+ SZ_512
- 1,
536 .flags
= IORESOURCE_MEM
,
540 static struct platform_device at91sam9g45_nand_device
= {
541 .name
= "atmel_nand",
544 .platform_data
= &nand_data
,
546 .resource
= nand_resources
,
547 .num_resources
= ARRAY_SIZE(nand_resources
),
550 void __init
at91_add_device_nand(struct atmel_nand_data
*data
)
557 csa
= at91_matrix_read(AT91_MATRIX_EBICSA
);
558 at91_matrix_write(AT91_MATRIX_EBICSA
, csa
| AT91_MATRIX_EBI_CS3A_SMC_SMARTMEDIA
);
561 if (gpio_is_valid(data
->enable_pin
))
562 at91_set_gpio_output(data
->enable_pin
, 1);
565 if (gpio_is_valid(data
->rdy_pin
))
566 at91_set_gpio_input(data
->rdy_pin
, 1);
568 /* card detect pin */
569 if (gpio_is_valid(data
->det_pin
))
570 at91_set_gpio_input(data
->det_pin
, 1);
573 platform_device_register(&at91sam9g45_nand_device
);
576 void __init
at91_add_device_nand(struct atmel_nand_data
*data
) {}
580 /* --------------------------------------------------------------------
582 * -------------------------------------------------------------------- */
585 * Prefer the GPIO code since the TWI controller isn't robust
586 * (gets overruns and underruns under load) and can only issue
587 * repeated STARTs in one scenario (the driver doesn't yet handle them).
589 #if defined(CONFIG_I2C_GPIO) || defined(CONFIG_I2C_GPIO_MODULE)
590 static struct i2c_gpio_platform_data pdata_i2c0
= {
591 .sda_pin
= AT91_PIN_PA20
,
592 .sda_is_open_drain
= 1,
593 .scl_pin
= AT91_PIN_PA21
,
594 .scl_is_open_drain
= 1,
595 .udelay
= 5, /* ~100 kHz */
598 static struct platform_device at91sam9g45_twi0_device
= {
601 .dev
.platform_data
= &pdata_i2c0
,
604 static struct i2c_gpio_platform_data pdata_i2c1
= {
605 .sda_pin
= AT91_PIN_PB10
,
606 .sda_is_open_drain
= 1,
607 .scl_pin
= AT91_PIN_PB11
,
608 .scl_is_open_drain
= 1,
609 .udelay
= 5, /* ~100 kHz */
612 static struct platform_device at91sam9g45_twi1_device
= {
615 .dev
.platform_data
= &pdata_i2c1
,
618 void __init
at91_add_device_i2c(short i2c_id
, struct i2c_board_info
*devices
, int nr_devices
)
620 i2c_register_board_info(i2c_id
, devices
, nr_devices
);
623 at91_set_GPIO_periph(AT91_PIN_PA20
, 1); /* TWD (SDA) */
624 at91_set_multi_drive(AT91_PIN_PA20
, 1);
626 at91_set_GPIO_periph(AT91_PIN_PA21
, 1); /* TWCK (SCL) */
627 at91_set_multi_drive(AT91_PIN_PA21
, 1);
629 platform_device_register(&at91sam9g45_twi0_device
);
631 at91_set_GPIO_periph(AT91_PIN_PB10
, 1); /* TWD (SDA) */
632 at91_set_multi_drive(AT91_PIN_PB10
, 1);
634 at91_set_GPIO_periph(AT91_PIN_PB11
, 1); /* TWCK (SCL) */
635 at91_set_multi_drive(AT91_PIN_PB11
, 1);
637 platform_device_register(&at91sam9g45_twi1_device
);
641 #elif defined(CONFIG_I2C_AT91) || defined(CONFIG_I2C_AT91_MODULE)
642 static struct resource twi0_resources
[] = {
644 .start
= AT91SAM9G45_BASE_TWI0
,
645 .end
= AT91SAM9G45_BASE_TWI0
+ SZ_16K
- 1,
646 .flags
= IORESOURCE_MEM
,
649 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TWI0
,
650 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TWI0
,
651 .flags
= IORESOURCE_IRQ
,
655 static struct platform_device at91sam9g45_twi0_device
= {
656 .name
= "i2c-at91sam9g10",
658 .resource
= twi0_resources
,
659 .num_resources
= ARRAY_SIZE(twi0_resources
),
662 static struct resource twi1_resources
[] = {
664 .start
= AT91SAM9G45_BASE_TWI1
,
665 .end
= AT91SAM9G45_BASE_TWI1
+ SZ_16K
- 1,
666 .flags
= IORESOURCE_MEM
,
669 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TWI1
,
670 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TWI1
,
671 .flags
= IORESOURCE_IRQ
,
675 static struct platform_device at91sam9g45_twi1_device
= {
676 .name
= "i2c-at91sam9g10",
678 .resource
= twi1_resources
,
679 .num_resources
= ARRAY_SIZE(twi1_resources
),
682 void __init
at91_add_device_i2c(short i2c_id
, struct i2c_board_info
*devices
, int nr_devices
)
684 i2c_register_board_info(i2c_id
, devices
, nr_devices
);
686 /* pins used for TWI interface */
688 at91_set_A_periph(AT91_PIN_PA20
, 0); /* TWD */
689 at91_set_A_periph(AT91_PIN_PA21
, 0); /* TWCK */
691 platform_device_register(&at91sam9g45_twi0_device
);
693 at91_set_A_periph(AT91_PIN_PB10
, 0); /* TWD */
694 at91_set_A_periph(AT91_PIN_PB11
, 0); /* TWCK */
696 platform_device_register(&at91sam9g45_twi1_device
);
700 void __init
at91_add_device_i2c(short i2c_id
, struct i2c_board_info
*devices
, int nr_devices
) {}
704 /* --------------------------------------------------------------------
706 * -------------------------------------------------------------------- */
708 #if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
709 static u64 spi_dmamask
= DMA_BIT_MASK(32);
711 static struct resource spi0_resources
[] = {
713 .start
= AT91SAM9G45_BASE_SPI0
,
714 .end
= AT91SAM9G45_BASE_SPI0
+ SZ_16K
- 1,
715 .flags
= IORESOURCE_MEM
,
718 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SPI0
,
719 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SPI0
,
720 .flags
= IORESOURCE_IRQ
,
724 static struct platform_device at91sam9g45_spi0_device
= {
728 .dma_mask
= &spi_dmamask
,
729 .coherent_dma_mask
= DMA_BIT_MASK(32),
731 .resource
= spi0_resources
,
732 .num_resources
= ARRAY_SIZE(spi0_resources
),
735 static const unsigned spi0_standard_cs
[4] = { AT91_PIN_PB3
, AT91_PIN_PB18
, AT91_PIN_PB19
, AT91_PIN_PD27
};
737 static struct resource spi1_resources
[] = {
739 .start
= AT91SAM9G45_BASE_SPI1
,
740 .end
= AT91SAM9G45_BASE_SPI1
+ SZ_16K
- 1,
741 .flags
= IORESOURCE_MEM
,
744 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SPI1
,
745 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SPI1
,
746 .flags
= IORESOURCE_IRQ
,
750 static struct platform_device at91sam9g45_spi1_device
= {
754 .dma_mask
= &spi_dmamask
,
755 .coherent_dma_mask
= DMA_BIT_MASK(32),
757 .resource
= spi1_resources
,
758 .num_resources
= ARRAY_SIZE(spi1_resources
),
761 static const unsigned spi1_standard_cs
[4] = { AT91_PIN_PB17
, AT91_PIN_PD28
, AT91_PIN_PD18
, AT91_PIN_PD19
};
763 void __init
at91_add_device_spi(struct spi_board_info
*devices
, int nr_devices
)
766 unsigned long cs_pin
;
767 short enable_spi0
= 0;
768 short enable_spi1
= 0;
770 /* Choose SPI chip-selects */
771 for (i
= 0; i
< nr_devices
; i
++) {
772 if (devices
[i
].controller_data
)
773 cs_pin
= (unsigned long) devices
[i
].controller_data
;
774 else if (devices
[i
].bus_num
== 0)
775 cs_pin
= spi0_standard_cs
[devices
[i
].chip_select
];
777 cs_pin
= spi1_standard_cs
[devices
[i
].chip_select
];
779 if (!gpio_is_valid(cs_pin
))
782 if (devices
[i
].bus_num
== 0)
787 /* enable chip-select pin */
788 at91_set_gpio_output(cs_pin
, 1);
790 /* pass chip-select pin to driver */
791 devices
[i
].controller_data
= (void *) cs_pin
;
794 spi_register_board_info(devices
, nr_devices
);
796 /* Configure SPI bus(es) */
798 at91_set_A_periph(AT91_PIN_PB0
, 0); /* SPI0_MISO */
799 at91_set_A_periph(AT91_PIN_PB1
, 0); /* SPI0_MOSI */
800 at91_set_A_periph(AT91_PIN_PB2
, 0); /* SPI0_SPCK */
802 platform_device_register(&at91sam9g45_spi0_device
);
805 at91_set_A_periph(AT91_PIN_PB14
, 0); /* SPI1_MISO */
806 at91_set_A_periph(AT91_PIN_PB15
, 0); /* SPI1_MOSI */
807 at91_set_A_periph(AT91_PIN_PB16
, 0); /* SPI1_SPCK */
809 platform_device_register(&at91sam9g45_spi1_device
);
813 void __init
at91_add_device_spi(struct spi_board_info
*devices
, int nr_devices
) {}
817 /* --------------------------------------------------------------------
819 * -------------------------------------------------------------------- */
821 #if defined(CONFIG_SND_ATMEL_AC97C) || defined(CONFIG_SND_ATMEL_AC97C_MODULE)
822 static u64 ac97_dmamask
= DMA_BIT_MASK(32);
823 static struct ac97c_platform_data ac97_data
;
825 static struct resource ac97_resources
[] = {
827 .start
= AT91SAM9G45_BASE_AC97C
,
828 .end
= AT91SAM9G45_BASE_AC97C
+ SZ_16K
- 1,
829 .flags
= IORESOURCE_MEM
,
832 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AC97C
,
833 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AC97C
,
834 .flags
= IORESOURCE_IRQ
,
838 static struct platform_device at91sam9g45_ac97_device
= {
839 .name
= "atmel_ac97c",
842 .dma_mask
= &ac97_dmamask
,
843 .coherent_dma_mask
= DMA_BIT_MASK(32),
844 .platform_data
= &ac97_data
,
846 .resource
= ac97_resources
,
847 .num_resources
= ARRAY_SIZE(ac97_resources
),
850 void __init
at91_add_device_ac97(struct ac97c_platform_data
*data
)
855 at91_set_A_periph(AT91_PIN_PD8
, 0); /* AC97FS */
856 at91_set_A_periph(AT91_PIN_PD9
, 0); /* AC97CK */
857 at91_set_A_periph(AT91_PIN_PD7
, 0); /* AC97TX */
858 at91_set_A_periph(AT91_PIN_PD6
, 0); /* AC97RX */
861 if (gpio_is_valid(data
->reset_pin
))
862 at91_set_gpio_output(data
->reset_pin
, 0);
865 platform_device_register(&at91sam9g45_ac97_device
);
868 void __init
at91_add_device_ac97(struct ac97c_platform_data
*data
) {}
871 /* --------------------------------------------------------------------
872 * Image Sensor Interface
873 * -------------------------------------------------------------------- */
874 #if defined(CONFIG_VIDEO_ATMEL_ISI) || defined(CONFIG_VIDEO_ATMEL_ISI_MODULE)
875 static u64 isi_dmamask
= DMA_BIT_MASK(32);
876 static struct isi_platform_data isi_data
;
878 struct resource isi_resources
[] = {
880 .start
= AT91SAM9G45_BASE_ISI
,
881 .end
= AT91SAM9G45_BASE_ISI
+ SZ_16K
- 1,
882 .flags
= IORESOURCE_MEM
,
885 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_ISI
,
886 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_ISI
,
887 .flags
= IORESOURCE_IRQ
,
891 static struct platform_device at91sam9g45_isi_device
= {
895 .dma_mask
= &isi_dmamask
,
896 .coherent_dma_mask
= DMA_BIT_MASK(32),
897 .platform_data
= &isi_data
,
899 .resource
= isi_resources
,
900 .num_resources
= ARRAY_SIZE(isi_resources
),
903 static struct clk_lookup isi_mck_lookups
[] = {
904 CLKDEV_CON_DEV_ID("isi_mck", "atmel_isi.0", NULL
),
907 void __init
at91_add_device_isi(struct isi_platform_data
*data
,
917 at91_set_A_periph(AT91_PIN_PB20
, 0); /* ISI_D0 */
918 at91_set_A_periph(AT91_PIN_PB21
, 0); /* ISI_D1 */
919 at91_set_A_periph(AT91_PIN_PB22
, 0); /* ISI_D2 */
920 at91_set_A_periph(AT91_PIN_PB23
, 0); /* ISI_D3 */
921 at91_set_A_periph(AT91_PIN_PB24
, 0); /* ISI_D4 */
922 at91_set_A_periph(AT91_PIN_PB25
, 0); /* ISI_D5 */
923 at91_set_A_periph(AT91_PIN_PB26
, 0); /* ISI_D6 */
924 at91_set_A_periph(AT91_PIN_PB27
, 0); /* ISI_D7 */
925 at91_set_A_periph(AT91_PIN_PB28
, 0); /* ISI_PCK */
926 at91_set_A_periph(AT91_PIN_PB30
, 0); /* ISI_HSYNC */
927 at91_set_A_periph(AT91_PIN_PB29
, 0); /* ISI_VSYNC */
928 at91_set_B_periph(AT91_PIN_PB8
, 0); /* ISI_PD8 */
929 at91_set_B_periph(AT91_PIN_PB9
, 0); /* ISI_PD9 */
930 at91_set_B_periph(AT91_PIN_PB10
, 0); /* ISI_PD10 */
931 at91_set_B_periph(AT91_PIN_PB11
, 0); /* ISI_PD11 */
933 platform_device_register(&at91sam9g45_isi_device
);
935 if (use_pck_as_mck
) {
936 at91_set_B_periph(AT91_PIN_PB31
, 0); /* ISI_MCK (PCK1) */
938 pck
= clk_get(NULL
, "pck1");
939 parent
= clk_get(NULL
, "plla");
941 BUG_ON(IS_ERR(pck
) || IS_ERR(parent
));
943 if (clk_set_parent(pck
, parent
)) {
944 pr_err("Failed to set PCK's parent\n");
946 /* Register PCK as ISI_MCK */
947 isi_mck_lookups
[0].clk
= pck
;
948 clkdev_add_table(isi_mck_lookups
,
949 ARRAY_SIZE(isi_mck_lookups
));
957 void __init
at91_add_device_isi(struct isi_platform_data
*data
,
958 bool use_pck_as_mck
) {}
962 /* --------------------------------------------------------------------
964 * -------------------------------------------------------------------- */
966 #if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
967 static u64 lcdc_dmamask
= DMA_BIT_MASK(32);
968 static struct atmel_lcdfb_pdata lcdc_data
;
970 static struct resource lcdc_resources
[] = {
972 .start
= AT91SAM9G45_LCDC_BASE
,
973 .end
= AT91SAM9G45_LCDC_BASE
+ SZ_4K
- 1,
974 .flags
= IORESOURCE_MEM
,
977 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_LCDC
,
978 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_LCDC
,
979 .flags
= IORESOURCE_IRQ
,
983 static struct platform_device at91_lcdc_device
= {
986 .dma_mask
= &lcdc_dmamask
,
987 .coherent_dma_mask
= DMA_BIT_MASK(32),
988 .platform_data
= &lcdc_data
,
990 .resource
= lcdc_resources
,
991 .num_resources
= ARRAY_SIZE(lcdc_resources
),
994 void __init
at91_add_device_lcdc(struct atmel_lcdfb_pdata
*data
)
999 if (cpu_is_at91sam9g45es())
1000 at91_lcdc_device
.name
= "at91sam9g45es-lcdfb";
1002 at91_lcdc_device
.name
= "at91sam9g45-lcdfb";
1004 at91_set_A_periph(AT91_PIN_PE0
, 0); /* LCDDPWR */
1006 at91_set_A_periph(AT91_PIN_PE2
, 0); /* LCDCC */
1007 at91_set_A_periph(AT91_PIN_PE3
, 0); /* LCDVSYNC */
1008 at91_set_A_periph(AT91_PIN_PE4
, 0); /* LCDHSYNC */
1009 at91_set_A_periph(AT91_PIN_PE5
, 0); /* LCDDOTCK */
1010 at91_set_A_periph(AT91_PIN_PE6
, 0); /* LCDDEN */
1011 at91_set_A_periph(AT91_PIN_PE7
, 0); /* LCDD0 */
1012 at91_set_A_periph(AT91_PIN_PE8
, 0); /* LCDD1 */
1013 at91_set_A_periph(AT91_PIN_PE9
, 0); /* LCDD2 */
1014 at91_set_A_periph(AT91_PIN_PE10
, 0); /* LCDD3 */
1015 at91_set_A_periph(AT91_PIN_PE11
, 0); /* LCDD4 */
1016 at91_set_A_periph(AT91_PIN_PE12
, 0); /* LCDD5 */
1017 at91_set_A_periph(AT91_PIN_PE13
, 0); /* LCDD6 */
1018 at91_set_A_periph(AT91_PIN_PE14
, 0); /* LCDD7 */
1019 at91_set_A_periph(AT91_PIN_PE15
, 0); /* LCDD8 */
1020 at91_set_A_periph(AT91_PIN_PE16
, 0); /* LCDD9 */
1021 at91_set_A_periph(AT91_PIN_PE17
, 0); /* LCDD10 */
1022 at91_set_A_periph(AT91_PIN_PE18
, 0); /* LCDD11 */
1023 at91_set_A_periph(AT91_PIN_PE19
, 0); /* LCDD12 */
1024 at91_set_A_periph(AT91_PIN_PE20
, 0); /* LCDD13 */
1025 at91_set_A_periph(AT91_PIN_PE21
, 0); /* LCDD14 */
1026 at91_set_A_periph(AT91_PIN_PE22
, 0); /* LCDD15 */
1027 at91_set_A_periph(AT91_PIN_PE23
, 0); /* LCDD16 */
1028 at91_set_A_periph(AT91_PIN_PE24
, 0); /* LCDD17 */
1029 at91_set_A_periph(AT91_PIN_PE25
, 0); /* LCDD18 */
1030 at91_set_A_periph(AT91_PIN_PE26
, 0); /* LCDD19 */
1031 at91_set_A_periph(AT91_PIN_PE27
, 0); /* LCDD20 */
1032 at91_set_A_periph(AT91_PIN_PE28
, 0); /* LCDD21 */
1033 at91_set_A_periph(AT91_PIN_PE29
, 0); /* LCDD22 */
1034 at91_set_A_periph(AT91_PIN_PE30
, 0); /* LCDD23 */
1037 platform_device_register(&at91_lcdc_device
);
1040 void __init
at91_add_device_lcdc(struct atmel_lcdfb_pdata
*data
) {}
1044 /* --------------------------------------------------------------------
1045 * Timer/Counter block
1046 * -------------------------------------------------------------------- */
1048 #ifdef CONFIG_ATMEL_TCLIB
1049 static struct resource tcb0_resources
[] = {
1051 .start
= AT91SAM9G45_BASE_TCB0
,
1052 .end
= AT91SAM9G45_BASE_TCB0
+ SZ_256
- 1,
1053 .flags
= IORESOURCE_MEM
,
1056 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TCB
,
1057 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TCB
,
1058 .flags
= IORESOURCE_IRQ
,
1062 static struct platform_device at91sam9g45_tcb0_device
= {
1063 .name
= "atmel_tcb",
1065 .resource
= tcb0_resources
,
1066 .num_resources
= ARRAY_SIZE(tcb0_resources
),
1069 /* TCB1 begins with TC3 */
1070 static struct resource tcb1_resources
[] = {
1072 .start
= AT91SAM9G45_BASE_TCB1
,
1073 .end
= AT91SAM9G45_BASE_TCB1
+ SZ_256
- 1,
1074 .flags
= IORESOURCE_MEM
,
1077 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TCB
,
1078 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TCB
,
1079 .flags
= IORESOURCE_IRQ
,
1083 static struct platform_device at91sam9g45_tcb1_device
= {
1084 .name
= "atmel_tcb",
1086 .resource
= tcb1_resources
,
1087 .num_resources
= ARRAY_SIZE(tcb1_resources
),
1090 static void __init
at91_add_device_tc(void)
1092 platform_device_register(&at91sam9g45_tcb0_device
);
1093 platform_device_register(&at91sam9g45_tcb1_device
);
1096 static void __init
at91_add_device_tc(void) { }
1100 /* --------------------------------------------------------------------
1102 * -------------------------------------------------------------------- */
1104 #if defined(CONFIG_RTC_DRV_AT91RM9200) || defined(CONFIG_RTC_DRV_AT91RM9200_MODULE)
1105 static struct resource rtc_resources
[] = {
1107 .start
= AT91SAM9G45_BASE_RTC
,
1108 .end
= AT91SAM9G45_BASE_RTC
+ SZ_256
- 1,
1109 .flags
= IORESOURCE_MEM
,
1112 .start
= NR_IRQS_LEGACY
+ AT91_ID_SYS
,
1113 .end
= NR_IRQS_LEGACY
+ AT91_ID_SYS
,
1114 .flags
= IORESOURCE_IRQ
,
1118 static struct platform_device at91sam9g45_rtc_device
= {
1121 .resource
= rtc_resources
,
1122 .num_resources
= ARRAY_SIZE(rtc_resources
),
1125 static void __init
at91_add_device_rtc(void)
1127 platform_device_register(&at91sam9g45_rtc_device
);
1130 static void __init
at91_add_device_rtc(void) {}
1134 /* --------------------------------------------------------------------
1136 * -------------------------------------------------------------------- */
1138 #if defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC) || defined(CONFIG_TOUCHSCREEN_ATMEL_TSADCC_MODULE)
1139 static u64 tsadcc_dmamask
= DMA_BIT_MASK(32);
1140 static struct at91_tsadcc_data tsadcc_data
;
1142 static struct resource tsadcc_resources
[] = {
1144 .start
= AT91SAM9G45_BASE_TSC
,
1145 .end
= AT91SAM9G45_BASE_TSC
+ SZ_16K
- 1,
1146 .flags
= IORESOURCE_MEM
,
1149 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TSC
,
1150 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TSC
,
1151 .flags
= IORESOURCE_IRQ
,
1155 static struct platform_device at91sam9g45_tsadcc_device
= {
1156 .name
= "atmel_tsadcc",
1159 .dma_mask
= &tsadcc_dmamask
,
1160 .coherent_dma_mask
= DMA_BIT_MASK(32),
1161 .platform_data
= &tsadcc_data
,
1163 .resource
= tsadcc_resources
,
1164 .num_resources
= ARRAY_SIZE(tsadcc_resources
),
1167 void __init
at91_add_device_tsadcc(struct at91_tsadcc_data
*data
)
1172 at91_set_gpio_input(AT91_PIN_PD20
, 0); /* AD0_XR */
1173 at91_set_gpio_input(AT91_PIN_PD21
, 0); /* AD1_XL */
1174 at91_set_gpio_input(AT91_PIN_PD22
, 0); /* AD2_YT */
1175 at91_set_gpio_input(AT91_PIN_PD23
, 0); /* AD3_TB */
1177 tsadcc_data
= *data
;
1178 platform_device_register(&at91sam9g45_tsadcc_device
);
1181 void __init
at91_add_device_tsadcc(struct at91_tsadcc_data
*data
) {}
1185 /* --------------------------------------------------------------------
1187 * -------------------------------------------------------------------- */
1189 #if IS_ENABLED(CONFIG_AT91_ADC)
1190 static struct at91_adc_data adc_data
;
1192 static struct resource adc_resources
[] = {
1194 .start
= AT91SAM9G45_BASE_TSC
,
1195 .end
= AT91SAM9G45_BASE_TSC
+ SZ_16K
- 1,
1196 .flags
= IORESOURCE_MEM
,
1199 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TSC
,
1200 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_TSC
,
1201 .flags
= IORESOURCE_IRQ
,
1205 static struct platform_device at91_adc_device
= {
1209 .platform_data
= &adc_data
,
1211 .resource
= adc_resources
,
1212 .num_resources
= ARRAY_SIZE(adc_resources
),
1215 static struct at91_adc_trigger at91_adc_triggers
[] = {
1217 .name
= "external-rising",
1219 .is_external
= true,
1222 .name
= "external-falling",
1224 .is_external
= true,
1227 .name
= "external-any",
1229 .is_external
= true,
1232 .name
= "continuous",
1234 .is_external
= false,
1238 static struct at91_adc_reg_desc at91_adc_register_g45
= {
1239 .channel_base
= AT91_ADC_CHR(0),
1240 .drdy_mask
= AT91_ADC_DRDY
,
1241 .status_register
= AT91_ADC_SR
,
1242 .trigger_register
= 0x08,
1245 void __init
at91_add_device_adc(struct at91_adc_data
*data
)
1250 if (test_bit(0, &data
->channels_used
))
1251 at91_set_gpio_input(AT91_PIN_PD20
, 0);
1252 if (test_bit(1, &data
->channels_used
))
1253 at91_set_gpio_input(AT91_PIN_PD21
, 0);
1254 if (test_bit(2, &data
->channels_used
))
1255 at91_set_gpio_input(AT91_PIN_PD22
, 0);
1256 if (test_bit(3, &data
->channels_used
))
1257 at91_set_gpio_input(AT91_PIN_PD23
, 0);
1258 if (test_bit(4, &data
->channels_used
))
1259 at91_set_gpio_input(AT91_PIN_PD24
, 0);
1260 if (test_bit(5, &data
->channels_used
))
1261 at91_set_gpio_input(AT91_PIN_PD25
, 0);
1262 if (test_bit(6, &data
->channels_used
))
1263 at91_set_gpio_input(AT91_PIN_PD26
, 0);
1264 if (test_bit(7, &data
->channels_used
))
1265 at91_set_gpio_input(AT91_PIN_PD27
, 0);
1267 if (data
->use_external_triggers
)
1268 at91_set_A_periph(AT91_PIN_PD28
, 0);
1270 data
->num_channels
= 8;
1271 data
->startup_time
= 40;
1272 data
->registers
= &at91_adc_register_g45
;
1273 data
->trigger_number
= 4;
1274 data
->trigger_list
= at91_adc_triggers
;
1277 platform_device_register(&at91_adc_device
);
1280 void __init
at91_add_device_adc(struct at91_adc_data
*data
) {}
1283 /* --------------------------------------------------------------------
1285 * -------------------------------------------------------------------- */
1287 static struct resource rtt_resources
[] = {
1289 .start
= AT91SAM9G45_BASE_RTT
,
1290 .end
= AT91SAM9G45_BASE_RTT
+ SZ_16
- 1,
1291 .flags
= IORESOURCE_MEM
,
1293 .flags
= IORESOURCE_MEM
,
1295 .flags
= IORESOURCE_IRQ
,
1299 static struct platform_device at91sam9g45_rtt_device
= {
1302 .resource
= rtt_resources
,
1305 #if IS_ENABLED(CONFIG_RTC_DRV_AT91SAM9)
1306 static void __init
at91_add_device_rtt_rtc(void)
1308 at91sam9g45_rtt_device
.name
= "rtc-at91sam9";
1310 * The second resource is needed:
1311 * GPBR will serve as the storage for RTC time offset
1313 at91sam9g45_rtt_device
.num_resources
= 3;
1314 rtt_resources
[1].start
= AT91SAM9G45_BASE_GPBR
+
1315 4 * CONFIG_RTC_DRV_AT91SAM9_GPBR
;
1316 rtt_resources
[1].end
= rtt_resources
[1].start
+ 3;
1317 rtt_resources
[2].start
= NR_IRQS_LEGACY
+ AT91_ID_SYS
;
1318 rtt_resources
[2].end
= NR_IRQS_LEGACY
+ AT91_ID_SYS
;
1321 static void __init
at91_add_device_rtt_rtc(void)
1323 /* Only one resource is needed: RTT not used as RTC */
1324 at91sam9g45_rtt_device
.num_resources
= 1;
1328 static void __init
at91_add_device_rtt(void)
1330 at91_add_device_rtt_rtc();
1331 platform_device_register(&at91sam9g45_rtt_device
);
1335 /* --------------------------------------------------------------------
1337 * -------------------------------------------------------------------- */
1339 #if defined(CONFIG_HW_RANDOM_ATMEL) || defined(CONFIG_HW_RANDOM_ATMEL_MODULE)
1340 static struct resource trng_resources
[] = {
1342 .start
= AT91SAM9G45_BASE_TRNG
,
1343 .end
= AT91SAM9G45_BASE_TRNG
+ SZ_16K
- 1,
1344 .flags
= IORESOURCE_MEM
,
1348 static struct platform_device at91sam9g45_trng_device
= {
1349 .name
= "atmel-trng",
1351 .resource
= trng_resources
,
1352 .num_resources
= ARRAY_SIZE(trng_resources
),
1355 static void __init
at91_add_device_trng(void)
1357 platform_device_register(&at91sam9g45_trng_device
);
1360 static void __init
at91_add_device_trng(void) {}
1363 /* --------------------------------------------------------------------
1365 * -------------------------------------------------------------------- */
1367 #if defined(CONFIG_AT91SAM9X_WATCHDOG) || defined(CONFIG_AT91SAM9X_WATCHDOG_MODULE)
1368 static struct resource wdt_resources
[] = {
1370 .start
= AT91SAM9G45_BASE_WDT
,
1371 .end
= AT91SAM9G45_BASE_WDT
+ SZ_16
- 1,
1372 .flags
= IORESOURCE_MEM
,
1376 static struct platform_device at91sam9g45_wdt_device
= {
1379 .resource
= wdt_resources
,
1380 .num_resources
= ARRAY_SIZE(wdt_resources
),
1383 static void __init
at91_add_device_watchdog(void)
1385 platform_device_register(&at91sam9g45_wdt_device
);
1388 static void __init
at91_add_device_watchdog(void) {}
1392 /* --------------------------------------------------------------------
1394 * --------------------------------------------------------------------*/
1396 #if defined(CONFIG_ATMEL_PWM) || defined(CONFIG_ATMEL_PWM_MODULE)
1397 static u32 pwm_mask
;
1399 static struct resource pwm_resources
[] = {
1401 .start
= AT91SAM9G45_BASE_PWMC
,
1402 .end
= AT91SAM9G45_BASE_PWMC
+ SZ_16K
- 1,
1403 .flags
= IORESOURCE_MEM
,
1406 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_PWMC
,
1407 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_PWMC
,
1408 .flags
= IORESOURCE_IRQ
,
1412 static struct platform_device at91sam9g45_pwm0_device
= {
1413 .name
= "atmel_pwm",
1416 .platform_data
= &pwm_mask
,
1418 .resource
= pwm_resources
,
1419 .num_resources
= ARRAY_SIZE(pwm_resources
),
1422 void __init
at91_add_device_pwm(u32 mask
)
1424 if (mask
& (1 << AT91_PWM0
))
1425 at91_set_B_periph(AT91_PIN_PD24
, 1); /* enable PWM0 */
1427 if (mask
& (1 << AT91_PWM1
))
1428 at91_set_B_periph(AT91_PIN_PD31
, 1); /* enable PWM1 */
1430 if (mask
& (1 << AT91_PWM2
))
1431 at91_set_B_periph(AT91_PIN_PD26
, 1); /* enable PWM2 */
1433 if (mask
& (1 << AT91_PWM3
))
1434 at91_set_B_periph(AT91_PIN_PD0
, 1); /* enable PWM3 */
1438 platform_device_register(&at91sam9g45_pwm0_device
);
1441 void __init
at91_add_device_pwm(u32 mask
) {}
1445 /* --------------------------------------------------------------------
1446 * SSC -- Synchronous Serial Controller
1447 * -------------------------------------------------------------------- */
1449 #if defined(CONFIG_ATMEL_SSC) || defined(CONFIG_ATMEL_SSC_MODULE)
1450 static u64 ssc0_dmamask
= DMA_BIT_MASK(32);
1452 static struct resource ssc0_resources
[] = {
1454 .start
= AT91SAM9G45_BASE_SSC0
,
1455 .end
= AT91SAM9G45_BASE_SSC0
+ SZ_16K
- 1,
1456 .flags
= IORESOURCE_MEM
,
1459 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SSC0
,
1460 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SSC0
,
1461 .flags
= IORESOURCE_IRQ
,
1465 static struct platform_device at91sam9g45_ssc0_device
= {
1466 .name
= "at91sam9g45_ssc",
1469 .dma_mask
= &ssc0_dmamask
,
1470 .coherent_dma_mask
= DMA_BIT_MASK(32),
1472 .resource
= ssc0_resources
,
1473 .num_resources
= ARRAY_SIZE(ssc0_resources
),
1476 static inline void configure_ssc0_pins(unsigned pins
)
1478 if (pins
& ATMEL_SSC_TF
)
1479 at91_set_A_periph(AT91_PIN_PD1
, 1);
1480 if (pins
& ATMEL_SSC_TK
)
1481 at91_set_A_periph(AT91_PIN_PD0
, 1);
1482 if (pins
& ATMEL_SSC_TD
)
1483 at91_set_A_periph(AT91_PIN_PD2
, 1);
1484 if (pins
& ATMEL_SSC_RD
)
1485 at91_set_A_periph(AT91_PIN_PD3
, 1);
1486 if (pins
& ATMEL_SSC_RK
)
1487 at91_set_A_periph(AT91_PIN_PD4
, 1);
1488 if (pins
& ATMEL_SSC_RF
)
1489 at91_set_A_periph(AT91_PIN_PD5
, 1);
1492 static u64 ssc1_dmamask
= DMA_BIT_MASK(32);
1494 static struct resource ssc1_resources
[] = {
1496 .start
= AT91SAM9G45_BASE_SSC1
,
1497 .end
= AT91SAM9G45_BASE_SSC1
+ SZ_16K
- 1,
1498 .flags
= IORESOURCE_MEM
,
1501 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SSC1
,
1502 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_SSC1
,
1503 .flags
= IORESOURCE_IRQ
,
1507 static struct platform_device at91sam9g45_ssc1_device
= {
1508 .name
= "at91sam9g45_ssc",
1511 .dma_mask
= &ssc1_dmamask
,
1512 .coherent_dma_mask
= DMA_BIT_MASK(32),
1514 .resource
= ssc1_resources
,
1515 .num_resources
= ARRAY_SIZE(ssc1_resources
),
1518 static inline void configure_ssc1_pins(unsigned pins
)
1520 if (pins
& ATMEL_SSC_TF
)
1521 at91_set_A_periph(AT91_PIN_PD14
, 1);
1522 if (pins
& ATMEL_SSC_TK
)
1523 at91_set_A_periph(AT91_PIN_PD12
, 1);
1524 if (pins
& ATMEL_SSC_TD
)
1525 at91_set_A_periph(AT91_PIN_PD10
, 1);
1526 if (pins
& ATMEL_SSC_RD
)
1527 at91_set_A_periph(AT91_PIN_PD11
, 1);
1528 if (pins
& ATMEL_SSC_RK
)
1529 at91_set_A_periph(AT91_PIN_PD13
, 1);
1530 if (pins
& ATMEL_SSC_RF
)
1531 at91_set_A_periph(AT91_PIN_PD15
, 1);
1535 * SSC controllers are accessed through library code, instead of any
1536 * kind of all-singing/all-dancing driver. For example one could be
1537 * used by a particular I2S audio codec's driver, while another one
1538 * on the same system might be used by a custom data capture driver.
1540 void __init
at91_add_device_ssc(unsigned id
, unsigned pins
)
1542 struct platform_device
*pdev
;
1545 * NOTE: caller is responsible for passing information matching
1546 * "pins" to whatever will be using each particular controller.
1549 case AT91SAM9G45_ID_SSC0
:
1550 pdev
= &at91sam9g45_ssc0_device
;
1551 configure_ssc0_pins(pins
);
1553 case AT91SAM9G45_ID_SSC1
:
1554 pdev
= &at91sam9g45_ssc1_device
;
1555 configure_ssc1_pins(pins
);
1561 platform_device_register(pdev
);
1565 void __init
at91_add_device_ssc(unsigned id
, unsigned pins
) {}
1569 /* --------------------------------------------------------------------
1571 * -------------------------------------------------------------------- */
1573 #if defined(CONFIG_SERIAL_ATMEL)
1574 static struct resource dbgu_resources
[] = {
1576 .start
= AT91SAM9G45_BASE_DBGU
,
1577 .end
= AT91SAM9G45_BASE_DBGU
+ SZ_512
- 1,
1578 .flags
= IORESOURCE_MEM
,
1581 .start
= NR_IRQS_LEGACY
+ AT91_ID_SYS
,
1582 .end
= NR_IRQS_LEGACY
+ AT91_ID_SYS
,
1583 .flags
= IORESOURCE_IRQ
,
1587 static struct atmel_uart_data dbgu_data
= {
1592 static u64 dbgu_dmamask
= DMA_BIT_MASK(32);
1594 static struct platform_device at91sam9g45_dbgu_device
= {
1595 .name
= "atmel_usart",
1598 .dma_mask
= &dbgu_dmamask
,
1599 .coherent_dma_mask
= DMA_BIT_MASK(32),
1600 .platform_data
= &dbgu_data
,
1602 .resource
= dbgu_resources
,
1603 .num_resources
= ARRAY_SIZE(dbgu_resources
),
1606 static inline void configure_dbgu_pins(void)
1608 at91_set_A_periph(AT91_PIN_PB12
, 0); /* DRXD */
1609 at91_set_A_periph(AT91_PIN_PB13
, 1); /* DTXD */
1612 static struct resource uart0_resources
[] = {
1614 .start
= AT91SAM9G45_BASE_US0
,
1615 .end
= AT91SAM9G45_BASE_US0
+ SZ_16K
- 1,
1616 .flags
= IORESOURCE_MEM
,
1619 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US0
,
1620 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US0
,
1621 .flags
= IORESOURCE_IRQ
,
1625 static struct atmel_uart_data uart0_data
= {
1630 static u64 uart0_dmamask
= DMA_BIT_MASK(32);
1632 static struct platform_device at91sam9g45_uart0_device
= {
1633 .name
= "atmel_usart",
1636 .dma_mask
= &uart0_dmamask
,
1637 .coherent_dma_mask
= DMA_BIT_MASK(32),
1638 .platform_data
= &uart0_data
,
1640 .resource
= uart0_resources
,
1641 .num_resources
= ARRAY_SIZE(uart0_resources
),
1644 static inline void configure_usart0_pins(unsigned pins
)
1646 at91_set_A_periph(AT91_PIN_PB19
, 1); /* TXD0 */
1647 at91_set_A_periph(AT91_PIN_PB18
, 0); /* RXD0 */
1649 if (pins
& ATMEL_UART_RTS
)
1650 at91_set_B_periph(AT91_PIN_PB17
, 0); /* RTS0 */
1651 if (pins
& ATMEL_UART_CTS
)
1652 at91_set_B_periph(AT91_PIN_PB15
, 0); /* CTS0 */
1655 static struct resource uart1_resources
[] = {
1657 .start
= AT91SAM9G45_BASE_US1
,
1658 .end
= AT91SAM9G45_BASE_US1
+ SZ_16K
- 1,
1659 .flags
= IORESOURCE_MEM
,
1662 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US1
,
1663 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US1
,
1664 .flags
= IORESOURCE_IRQ
,
1668 static struct atmel_uart_data uart1_data
= {
1673 static u64 uart1_dmamask
= DMA_BIT_MASK(32);
1675 static struct platform_device at91sam9g45_uart1_device
= {
1676 .name
= "atmel_usart",
1679 .dma_mask
= &uart1_dmamask
,
1680 .coherent_dma_mask
= DMA_BIT_MASK(32),
1681 .platform_data
= &uart1_data
,
1683 .resource
= uart1_resources
,
1684 .num_resources
= ARRAY_SIZE(uart1_resources
),
1687 static inline void configure_usart1_pins(unsigned pins
)
1689 at91_set_A_periph(AT91_PIN_PB4
, 1); /* TXD1 */
1690 at91_set_A_periph(AT91_PIN_PB5
, 0); /* RXD1 */
1692 if (pins
& ATMEL_UART_RTS
)
1693 at91_set_A_periph(AT91_PIN_PD16
, 0); /* RTS1 */
1694 if (pins
& ATMEL_UART_CTS
)
1695 at91_set_A_periph(AT91_PIN_PD17
, 0); /* CTS1 */
1698 static struct resource uart2_resources
[] = {
1700 .start
= AT91SAM9G45_BASE_US2
,
1701 .end
= AT91SAM9G45_BASE_US2
+ SZ_16K
- 1,
1702 .flags
= IORESOURCE_MEM
,
1705 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US2
,
1706 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US2
,
1707 .flags
= IORESOURCE_IRQ
,
1711 static struct atmel_uart_data uart2_data
= {
1716 static u64 uart2_dmamask
= DMA_BIT_MASK(32);
1718 static struct platform_device at91sam9g45_uart2_device
= {
1719 .name
= "atmel_usart",
1722 .dma_mask
= &uart2_dmamask
,
1723 .coherent_dma_mask
= DMA_BIT_MASK(32),
1724 .platform_data
= &uart2_data
,
1726 .resource
= uart2_resources
,
1727 .num_resources
= ARRAY_SIZE(uart2_resources
),
1730 static inline void configure_usart2_pins(unsigned pins
)
1732 at91_set_A_periph(AT91_PIN_PB6
, 1); /* TXD2 */
1733 at91_set_A_periph(AT91_PIN_PB7
, 0); /* RXD2 */
1735 if (pins
& ATMEL_UART_RTS
)
1736 at91_set_B_periph(AT91_PIN_PC9
, 0); /* RTS2 */
1737 if (pins
& ATMEL_UART_CTS
)
1738 at91_set_B_periph(AT91_PIN_PC11
, 0); /* CTS2 */
1741 static struct resource uart3_resources
[] = {
1743 .start
= AT91SAM9G45_BASE_US3
,
1744 .end
= AT91SAM9G45_BASE_US3
+ SZ_16K
- 1,
1745 .flags
= IORESOURCE_MEM
,
1748 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US3
,
1749 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_US3
,
1750 .flags
= IORESOURCE_IRQ
,
1754 static struct atmel_uart_data uart3_data
= {
1759 static u64 uart3_dmamask
= DMA_BIT_MASK(32);
1761 static struct platform_device at91sam9g45_uart3_device
= {
1762 .name
= "atmel_usart",
1765 .dma_mask
= &uart3_dmamask
,
1766 .coherent_dma_mask
= DMA_BIT_MASK(32),
1767 .platform_data
= &uart3_data
,
1769 .resource
= uart3_resources
,
1770 .num_resources
= ARRAY_SIZE(uart3_resources
),
1773 static inline void configure_usart3_pins(unsigned pins
)
1775 at91_set_A_periph(AT91_PIN_PB8
, 1); /* TXD3 */
1776 at91_set_A_periph(AT91_PIN_PB9
, 0); /* RXD3 */
1778 if (pins
& ATMEL_UART_RTS
)
1779 at91_set_B_periph(AT91_PIN_PA23
, 0); /* RTS3 */
1780 if (pins
& ATMEL_UART_CTS
)
1781 at91_set_B_periph(AT91_PIN_PA24
, 0); /* CTS3 */
1784 static struct platform_device
*__initdata at91_uarts
[ATMEL_MAX_UART
]; /* the UARTs to use */
1786 void __init
at91_register_uart(unsigned id
, unsigned portnr
, unsigned pins
)
1788 struct platform_device
*pdev
;
1789 struct atmel_uart_data
*pdata
;
1793 pdev
= &at91sam9g45_dbgu_device
;
1794 configure_dbgu_pins();
1796 case AT91SAM9G45_ID_US0
:
1797 pdev
= &at91sam9g45_uart0_device
;
1798 configure_usart0_pins(pins
);
1800 case AT91SAM9G45_ID_US1
:
1801 pdev
= &at91sam9g45_uart1_device
;
1802 configure_usart1_pins(pins
);
1804 case AT91SAM9G45_ID_US2
:
1805 pdev
= &at91sam9g45_uart2_device
;
1806 configure_usart2_pins(pins
);
1808 case AT91SAM9G45_ID_US3
:
1809 pdev
= &at91sam9g45_uart3_device
;
1810 configure_usart3_pins(pins
);
1815 pdata
= pdev
->dev
.platform_data
;
1816 pdata
->num
= portnr
; /* update to mapped ID */
1818 if (portnr
< ATMEL_MAX_UART
)
1819 at91_uarts
[portnr
] = pdev
;
1822 void __init
at91_add_device_serial(void)
1826 for (i
= 0; i
< ATMEL_MAX_UART
; i
++) {
1828 platform_device_register(at91_uarts
[i
]);
1832 void __init
at91_register_uart(unsigned id
, unsigned portnr
, unsigned pins
) {}
1833 void __init
at91_add_device_serial(void) {}
1836 /* --------------------------------------------------------------------
1838 * -------------------------------------------------------------------- */
1840 #if defined(CONFIG_CRYPTO_DEV_ATMEL_SHA) || defined(CONFIG_CRYPTO_DEV_ATMEL_SHA_MODULE)
1841 static struct resource sha_resources
[] = {
1843 .start
= AT91SAM9G45_BASE_SHA
,
1844 .end
= AT91SAM9G45_BASE_SHA
+ SZ_16K
- 1,
1845 .flags
= IORESOURCE_MEM
,
1848 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1849 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1850 .flags
= IORESOURCE_IRQ
,
1854 static struct platform_device at91sam9g45_sha_device
= {
1855 .name
= "atmel_sha",
1857 .resource
= sha_resources
,
1858 .num_resources
= ARRAY_SIZE(sha_resources
),
1861 static void __init
at91_add_device_sha(void)
1863 platform_device_register(&at91sam9g45_sha_device
);
1866 static void __init
at91_add_device_sha(void) {}
1869 /* --------------------------------------------------------------------
1871 * -------------------------------------------------------------------- */
1873 #if defined(CONFIG_CRYPTO_DEV_ATMEL_TDES) || defined(CONFIG_CRYPTO_DEV_ATMEL_TDES_MODULE)
1874 static struct resource tdes_resources
[] = {
1876 .start
= AT91SAM9G45_BASE_TDES
,
1877 .end
= AT91SAM9G45_BASE_TDES
+ SZ_16K
- 1,
1878 .flags
= IORESOURCE_MEM
,
1881 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1882 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1883 .flags
= IORESOURCE_IRQ
,
1887 static struct platform_device at91sam9g45_tdes_device
= {
1888 .name
= "atmel_tdes",
1890 .resource
= tdes_resources
,
1891 .num_resources
= ARRAY_SIZE(tdes_resources
),
1894 static void __init
at91_add_device_tdes(void)
1896 platform_device_register(&at91sam9g45_tdes_device
);
1899 static void __init
at91_add_device_tdes(void) {}
1902 /* --------------------------------------------------------------------
1904 * -------------------------------------------------------------------- */
1906 #if defined(CONFIG_CRYPTO_DEV_ATMEL_AES) || defined(CONFIG_CRYPTO_DEV_ATMEL_AES_MODULE)
1907 static struct crypto_platform_data aes_data
;
1908 static struct crypto_dma_data alt_atslave
;
1909 static u64 aes_dmamask
= DMA_BIT_MASK(32);
1911 static struct resource aes_resources
[] = {
1913 .start
= AT91SAM9G45_BASE_AES
,
1914 .end
= AT91SAM9G45_BASE_AES
+ SZ_16K
- 1,
1915 .flags
= IORESOURCE_MEM
,
1918 .start
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1919 .end
= NR_IRQS_LEGACY
+ AT91SAM9G45_ID_AESTDESSHA
,
1920 .flags
= IORESOURCE_IRQ
,
1924 static struct platform_device at91sam9g45_aes_device
= {
1925 .name
= "atmel_aes",
1928 .dma_mask
= &aes_dmamask
,
1929 .coherent_dma_mask
= DMA_BIT_MASK(32),
1930 .platform_data
= &aes_data
,
1932 .resource
= aes_resources
,
1933 .num_resources
= ARRAY_SIZE(aes_resources
),
1936 static void __init
at91_add_device_aes(void)
1938 struct at_dma_slave
*atslave
;
1940 /* DMA TX slave channel configuration */
1941 atslave
= &alt_atslave
.txdata
;
1942 atslave
->dma_dev
= &at_hdmac_device
.dev
;
1943 atslave
->cfg
= ATC_FIFOCFG_ENOUGHSPACE
| ATC_SRC_H2SEL_HW
|
1944 ATC_SRC_PER(AT_DMA_ID_AES_RX
);
1946 /* DMA RX slave channel configuration */
1947 atslave
= &alt_atslave
.rxdata
;
1948 atslave
->dma_dev
= &at_hdmac_device
.dev
;
1949 atslave
->cfg
= ATC_FIFOCFG_ENOUGHSPACE
| ATC_DST_H2SEL_HW
|
1950 ATC_DST_PER(AT_DMA_ID_AES_TX
);
1952 aes_data
.dma_slave
= &alt_atslave
;
1953 platform_device_register(&at91sam9g45_aes_device
);
1956 static void __init
at91_add_device_aes(void) {}
1959 /* -------------------------------------------------------------------- */
1961 * These devices are always present and don't need any board-specific
1964 static int __init
at91_add_standard_devices(void)
1966 if (of_have_populated_dt())
1969 at91_add_device_hdmac();
1970 at91_add_device_rtc();
1971 at91_add_device_rtt();
1972 at91_add_device_trng();
1973 at91_add_device_watchdog();
1974 at91_add_device_tc();
1975 at91_add_device_sha();
1976 at91_add_device_tdes();
1977 at91_add_device_aes();
1981 arch_initcall(at91_add_standard_devices
);