2 * Copyright 2004-2009 Analog Devices Inc.
3 * 2005 National ICT Australia (NICTA)
4 * Aidan Williams <aidan@nicta.com.au>
6 * Licensed under the GPL-2 or later.
9 #include <linux/device.h>
10 #include <linux/export.h>
11 #include <linux/platform_device.h>
12 #include <linux/mtd/mtd.h>
13 #include <linux/mtd/partitions.h>
14 #include <linux/mtd/physmap.h>
15 #include <linux/spi/spi.h>
16 #include <linux/spi/flash.h>
18 #include <linux/i2c.h>
19 #include <linux/irq.h>
20 #include <linux/interrupt.h>
22 #include <asm/bfin5xx_spi.h>
23 #include <asm/reboot.h>
24 #include <asm/portmux.h>
26 #include <asm/bfin_sdh.h>
27 #include <linux/spi/ad7877.h>
31 * Name the Board for the /proc/cpuinfo
33 const char bfin_board_name
[] = "ADI BF518F-EZBRD";
36 * Driver needs to know address, irq and flag pin.
39 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
40 static struct mtd_partition ezbrd_partitions
[] = {
42 .name
= "bootloader(nor)",
46 .name
= "linux kernel(nor)",
48 .offset
= MTDPART_OFS_APPEND
,
50 .name
= "file system(nor)",
51 .size
= MTDPART_SIZ_FULL
,
52 .offset
= MTDPART_OFS_APPEND
,
56 static struct physmap_flash_data ezbrd_flash_data
= {
58 .parts
= ezbrd_partitions
,
59 .nr_parts
= ARRAY_SIZE(ezbrd_partitions
),
62 static struct resource ezbrd_flash_resource
= {
64 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
69 .flags
= IORESOURCE_MEM
,
72 static struct platform_device ezbrd_flash_device
= {
73 .name
= "physmap-flash",
76 .platform_data
= &ezbrd_flash_data
,
79 .resource
= &ezbrd_flash_resource
,
83 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
84 static struct platform_device rtc_device
= {
90 #if IS_ENABLED(CONFIG_BFIN_MAC)
91 #include <linux/bfin_mac.h>
92 static const unsigned short bfin_mac_peripherals
[] = {
106 static struct bfin_phydev_platform_data bfin_phydev_data
[] = {
108 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
113 .irq
= IRQ_MAC_PHYINT
,
117 static struct bfin_mii_bus_platform_data bfin_mii_bus_data
= {
119 .phydev_data
= bfin_phydev_data
,
120 .phy_mode
= PHY_INTERFACE_MODE_MII
,
121 .mac_peripherals
= bfin_mac_peripherals
,
122 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
123 .phy_mask
= 0xfff7, /* Only probe the port phy connect to the on chip MAC */
129 static struct platform_device bfin_mii_bus
= {
130 .name
= "bfin_mii_bus",
132 .platform_data
= &bfin_mii_bus_data
,
136 static struct platform_device bfin_mac_device
= {
139 .platform_data
= &bfin_mii_bus
,
143 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
144 static struct dsa_chip_data ksz8893m_switch_chip_data
= {
145 .mii_bus
= &bfin_mii_bus
.dev
,
153 static struct dsa_platform_data ksz8893m_switch_data
= {
155 .netdev
= &bfin_mac_device
.dev
,
156 .chip
= &ksz8893m_switch_chip_data
,
159 static struct platform_device ksz8893m_switch_device
= {
163 .dev
.platform_data
= &ksz8893m_switch_data
,
168 #if IS_ENABLED(CONFIG_MTD_M25P80)
169 static struct mtd_partition bfin_spi_flash_partitions
[] = {
171 .name
= "bootloader(spi)",
174 .mask_flags
= MTD_CAP_ROM
176 .name
= "linux kernel(spi)",
177 .size
= MTDPART_SIZ_FULL
,
178 .offset
= MTDPART_OFS_APPEND
,
182 static struct flash_platform_data bfin_spi_flash_data
= {
184 .parts
= bfin_spi_flash_partitions
,
185 .nr_parts
= ARRAY_SIZE(bfin_spi_flash_partitions
),
189 /* SPI flash chip (m25p64) */
190 static struct bfin5xx_spi_chip spi_flash_chip_info
= {
191 .enable_dma
= 0, /* use dma transfer with this chip*/
195 #if IS_ENABLED(CONFIG_MMC_SPI)
196 static struct bfin5xx_spi_chip mmc_spi_chip_info
= {
201 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
202 static const struct ad7877_platform_data bfin_ad7877_ts_info
= {
204 .vref_delay_usecs
= 50, /* internal, no capacitor */
207 .pressure_max
= 1000,
209 .stopacq_polarity
= 1,
210 .first_conversion_delay
= 3,
211 .acquisition_time
= 1,
213 .pen_down_acc_interval
= 1,
217 static struct spi_board_info bfin_spi_board_info
[] __initdata
= {
218 #if IS_ENABLED(CONFIG_MTD_M25P80)
220 /* the modalias must be the same as spi device driver name */
221 .modalias
= "m25p80", /* Name of spi_driver for this device */
222 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
223 .bus_num
= 0, /* Framework bus number */
224 .chip_select
= 2, /* On BF518F-EZBRD it's SPI0_SSEL2 */
225 .platform_data
= &bfin_spi_flash_data
,
226 .controller_data
= &spi_flash_chip_info
,
231 #if IS_ENABLED(CONFIG_BFIN_MAC)
232 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
234 .modalias
= "ksz8893m",
235 .max_speed_hz
= 5000000,
238 .platform_data
= NULL
,
244 #if IS_ENABLED(CONFIG_MMC_SPI)
246 .modalias
= "mmc_spi",
247 .max_speed_hz
= 25000000, /* max spi clock (SCK) speed in HZ */
250 .controller_data
= &mmc_spi_chip_info
,
254 #if IS_ENABLED(CONFIG_TOUCHSCREEN_AD7877)
256 .modalias
= "ad7877",
257 .platform_data
= &bfin_ad7877_ts_info
,
259 .max_speed_hz
= 12500000, /* max spi clock (SCK) speed in HZ */
264 #if IS_ENABLED(CONFIG_SND_SOC_WM8731) \
265 && defined(CONFIG_SND_SOC_WM8731_SPI)
267 .modalias
= "wm8731",
268 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
274 #if IS_ENABLED(CONFIG_SPI_SPIDEV)
276 .modalias
= "spidev",
277 .max_speed_hz
= 3125000, /* max spi clock (SCK) speed in HZ */
282 #if IS_ENABLED(CONFIG_FB_BFIN_LQ035Q1)
284 .modalias
= "bfin-lq035q1-spi",
285 .max_speed_hz
= 20000000, /* max spi clock (SCK) speed in HZ */
288 .mode
= SPI_CPHA
| SPI_CPOL
,
293 /* SPI controller data */
294 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
296 static struct bfin5xx_spi_master bfin_spi0_info
= {
298 .enable_dma
= 1, /* master has the ability to do dma transfer */
299 .pin_req
= {P_SPI0_SCK
, P_SPI0_MISO
, P_SPI0_MOSI
, 0},
302 static struct resource bfin_spi0_resource
[] = {
304 .start
= SPI0_REGBASE
,
305 .end
= SPI0_REGBASE
+ 0xFF,
306 .flags
= IORESOURCE_MEM
,
311 .flags
= IORESOURCE_DMA
,
316 .flags
= IORESOURCE_IRQ
,
320 static struct platform_device bfin_spi0_device
= {
322 .id
= 0, /* Bus number */
323 .num_resources
= ARRAY_SIZE(bfin_spi0_resource
),
324 .resource
= bfin_spi0_resource
,
326 .platform_data
= &bfin_spi0_info
, /* Passed to driver */
331 static struct bfin5xx_spi_master bfin_spi1_info
= {
333 .enable_dma
= 1, /* master has the ability to do dma transfer */
334 .pin_req
= {P_SPI1_SCK
, P_SPI1_MISO
, P_SPI1_MOSI
, 0},
337 static struct resource bfin_spi1_resource
[] = {
339 .start
= SPI1_REGBASE
,
340 .end
= SPI1_REGBASE
+ 0xFF,
341 .flags
= IORESOURCE_MEM
,
346 .flags
= IORESOURCE_DMA
,
351 .flags
= IORESOURCE_IRQ
,
355 static struct platform_device bfin_spi1_device
= {
357 .id
= 1, /* Bus number */
358 .num_resources
= ARRAY_SIZE(bfin_spi1_resource
),
359 .resource
= bfin_spi1_resource
,
361 .platform_data
= &bfin_spi1_info
, /* Passed to driver */
364 #endif /* spi master and devices */
366 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
367 #ifdef CONFIG_SERIAL_BFIN_UART0
368 static struct resource bfin_uart0_resources
[] = {
372 .flags
= IORESOURCE_MEM
,
375 .start
= IRQ_UART0_TX
,
377 .flags
= IORESOURCE_IRQ
,
380 .start
= IRQ_UART0_RX
,
382 .flags
= IORESOURCE_IRQ
,
385 .start
= IRQ_UART0_ERROR
,
386 .end
= IRQ_UART0_ERROR
,
387 .flags
= IORESOURCE_IRQ
,
390 .start
= CH_UART0_TX
,
392 .flags
= IORESOURCE_DMA
,
395 .start
= CH_UART0_RX
,
397 .flags
= IORESOURCE_DMA
,
401 static unsigned short bfin_uart0_peripherals
[] = {
402 P_UART0_TX
, P_UART0_RX
, 0
405 static struct platform_device bfin_uart0_device
= {
408 .num_resources
= ARRAY_SIZE(bfin_uart0_resources
),
409 .resource
= bfin_uart0_resources
,
411 .platform_data
= &bfin_uart0_peripherals
, /* Passed to driver */
415 #ifdef CONFIG_SERIAL_BFIN_UART1
416 static struct resource bfin_uart1_resources
[] = {
420 .flags
= IORESOURCE_MEM
,
423 .start
= IRQ_UART1_TX
,
425 .flags
= IORESOURCE_IRQ
,
428 .start
= IRQ_UART1_RX
,
430 .flags
= IORESOURCE_IRQ
,
433 .start
= IRQ_UART1_ERROR
,
434 .end
= IRQ_UART1_ERROR
,
435 .flags
= IORESOURCE_IRQ
,
438 .start
= CH_UART1_TX
,
440 .flags
= IORESOURCE_DMA
,
443 .start
= CH_UART1_RX
,
445 .flags
= IORESOURCE_DMA
,
449 static unsigned short bfin_uart1_peripherals
[] = {
450 P_UART1_TX
, P_UART1_RX
, 0
453 static struct platform_device bfin_uart1_device
= {
456 .num_resources
= ARRAY_SIZE(bfin_uart1_resources
),
457 .resource
= bfin_uart1_resources
,
459 .platform_data
= &bfin_uart1_peripherals
, /* Passed to driver */
465 #if IS_ENABLED(CONFIG_BFIN_SIR)
466 #ifdef CONFIG_BFIN_SIR0
467 static struct resource bfin_sir0_resources
[] = {
471 .flags
= IORESOURCE_MEM
,
474 .start
= IRQ_UART0_RX
,
475 .end
= IRQ_UART0_RX
+1,
476 .flags
= IORESOURCE_IRQ
,
479 .start
= CH_UART0_RX
,
480 .end
= CH_UART0_RX
+1,
481 .flags
= IORESOURCE_DMA
,
485 static struct platform_device bfin_sir0_device
= {
488 .num_resources
= ARRAY_SIZE(bfin_sir0_resources
),
489 .resource
= bfin_sir0_resources
,
492 #ifdef CONFIG_BFIN_SIR1
493 static struct resource bfin_sir1_resources
[] = {
497 .flags
= IORESOURCE_MEM
,
500 .start
= IRQ_UART1_RX
,
501 .end
= IRQ_UART1_RX
+1,
502 .flags
= IORESOURCE_IRQ
,
505 .start
= CH_UART1_RX
,
506 .end
= CH_UART1_RX
+1,
507 .flags
= IORESOURCE_DMA
,
511 static struct platform_device bfin_sir1_device
= {
514 .num_resources
= ARRAY_SIZE(bfin_sir1_resources
),
515 .resource
= bfin_sir1_resources
,
520 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
521 static struct platform_device bfin_i2s
= {
523 .id
= CONFIG_SND_BF5XX_SPORT_NUM
,
524 /* TODO: add platform data here */
528 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
529 static const u16 bfin_twi0_pins
[] = {P_TWI0_SCL
, P_TWI0_SDA
, 0};
531 static struct resource bfin_twi0_resource
[] = {
533 .start
= TWI0_REGBASE
,
535 .flags
= IORESOURCE_MEM
,
540 .flags
= IORESOURCE_IRQ
,
544 static struct platform_device i2c_bfin_twi_device
= {
545 .name
= "i2c-bfin-twi",
547 .num_resources
= ARRAY_SIZE(bfin_twi0_resource
),
548 .resource
= bfin_twi0_resource
,
550 .platform_data
= &bfin_twi0_pins
,
555 static struct i2c_board_info __initdata bfin_i2c_board_info
[] = {
556 #if IS_ENABLED(CONFIG_BFIN_TWI_LCD)
558 I2C_BOARD_INFO("pcf8574_lcd", 0x22),
561 #if IS_ENABLED(CONFIG_INPUT_PCF8574)
563 I2C_BOARD_INFO("pcf8574_keypad", 0x27),
567 #if IS_ENABLED(CONFIG_SND_SOC_SSM2602)
569 I2C_BOARD_INFO("ssm2602", 0x1b),
574 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
575 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
576 static struct resource bfin_sport0_uart_resources
[] = {
578 .start
= SPORT0_TCR1
,
579 .end
= SPORT0_MRCS3
+4,
580 .flags
= IORESOURCE_MEM
,
583 .start
= IRQ_SPORT0_RX
,
584 .end
= IRQ_SPORT0_RX
+1,
585 .flags
= IORESOURCE_IRQ
,
588 .start
= IRQ_SPORT0_ERROR
,
589 .end
= IRQ_SPORT0_ERROR
,
590 .flags
= IORESOURCE_IRQ
,
594 static unsigned short bfin_sport0_peripherals
[] = {
595 P_SPORT0_TFS
, P_SPORT0_DTPRI
, P_SPORT0_TSCLK
, P_SPORT0_RFS
,
596 P_SPORT0_DRPRI
, P_SPORT0_RSCLK
, 0
599 static struct platform_device bfin_sport0_uart_device
= {
600 .name
= "bfin-sport-uart",
602 .num_resources
= ARRAY_SIZE(bfin_sport0_uart_resources
),
603 .resource
= bfin_sport0_uart_resources
,
605 .platform_data
= &bfin_sport0_peripherals
, /* Passed to driver */
609 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
610 static struct resource bfin_sport1_uart_resources
[] = {
612 .start
= SPORT1_TCR1
,
613 .end
= SPORT1_MRCS3
+4,
614 .flags
= IORESOURCE_MEM
,
617 .start
= IRQ_SPORT1_RX
,
618 .end
= IRQ_SPORT1_RX
+1,
619 .flags
= IORESOURCE_IRQ
,
622 .start
= IRQ_SPORT1_ERROR
,
623 .end
= IRQ_SPORT1_ERROR
,
624 .flags
= IORESOURCE_IRQ
,
628 static unsigned short bfin_sport1_peripherals
[] = {
629 P_SPORT1_TFS
, P_SPORT1_DTPRI
, P_SPORT1_TSCLK
, P_SPORT1_RFS
,
630 P_SPORT1_DRPRI
, P_SPORT1_RSCLK
, 0
633 static struct platform_device bfin_sport1_uart_device
= {
634 .name
= "bfin-sport-uart",
636 .num_resources
= ARRAY_SIZE(bfin_sport1_uart_resources
),
637 .resource
= bfin_sport1_uart_resources
,
639 .platform_data
= &bfin_sport1_peripherals
, /* Passed to driver */
645 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
646 #include <linux/input.h>
647 #include <linux/gpio_keys.h>
649 static struct gpio_keys_button bfin_gpio_keys_table
[] = {
650 {BTN_0
, GPIO_PG0
, 1, "gpio-keys: BTN0"},
651 {BTN_1
, GPIO_PG13
, 1, "gpio-keys: BTN1"},
654 static struct gpio_keys_platform_data bfin_gpio_keys_data
= {
655 .buttons
= bfin_gpio_keys_table
,
656 .nbuttons
= ARRAY_SIZE(bfin_gpio_keys_table
),
659 static struct platform_device bfin_device_gpiokeys
= {
662 .platform_data
= &bfin_gpio_keys_data
,
667 #if IS_ENABLED(CONFIG_SDH_BFIN)
669 static struct bfin_sd_host bfin_sdh_data
= {
671 .irq_int0
= IRQ_RSI_INT0
,
672 .pin_req
= {P_RSI_DATA0
, P_RSI_DATA1
, P_RSI_DATA2
, P_RSI_DATA3
, P_RSI_CMD
, P_RSI_CLK
, 0},
675 static struct platform_device bf51x_sdh_device
= {
679 .platform_data
= &bfin_sdh_data
,
684 static const unsigned int cclk_vlev_datasheet
[] =
686 VRPAIR(VLEV_100
, 400000000),
687 VRPAIR(VLEV_105
, 426000000),
688 VRPAIR(VLEV_110
, 500000000),
689 VRPAIR(VLEV_115
, 533000000),
690 VRPAIR(VLEV_120
, 600000000),
693 static struct bfin_dpmc_platform_data bfin_dmpc_vreg_data
= {
694 .tuple_tab
= cclk_vlev_datasheet
,
695 .tabsize
= ARRAY_SIZE(cclk_vlev_datasheet
),
696 .vr_settling_time
= 25 /* us */,
699 static struct platform_device bfin_dpmc
= {
702 .platform_data
= &bfin_dmpc_vreg_data
,
706 static struct platform_device
*stamp_devices
[] __initdata
= {
710 #if IS_ENABLED(CONFIG_RTC_DRV_BFIN)
714 #if IS_ENABLED(CONFIG_BFIN_MAC)
717 #if IS_ENABLED(CONFIG_NET_DSA_KSZ8893M)
718 &ksz8893m_switch_device
,
722 #if IS_ENABLED(CONFIG_SPI_BFIN5XX)
727 #if IS_ENABLED(CONFIG_SERIAL_BFIN)
728 #ifdef CONFIG_SERIAL_BFIN_UART0
731 #ifdef CONFIG_SERIAL_BFIN_UART1
736 #if IS_ENABLED(CONFIG_BFIN_SIR)
737 #ifdef CONFIG_BFIN_SIR0
740 #ifdef CONFIG_BFIN_SIR1
745 #if IS_ENABLED(CONFIG_I2C_BLACKFIN_TWI)
746 &i2c_bfin_twi_device
,
749 #if IS_ENABLED(CONFIG_SND_BF5XX_I2S)
753 #if IS_ENABLED(CONFIG_SERIAL_BFIN_SPORT)
754 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
755 &bfin_sport0_uart_device
,
757 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
758 &bfin_sport1_uart_device
,
762 #if IS_ENABLED(CONFIG_KEYBOARD_GPIO)
763 &bfin_device_gpiokeys
,
766 #if IS_ENABLED(CONFIG_SDH_BFIN)
770 #if IS_ENABLED(CONFIG_MTD_PHYSMAP)
775 static int __init
ezbrd_init(void)
777 printk(KERN_INFO
"%s(): registering device resources\n", __func__
);
778 i2c_register_board_info(0, bfin_i2c_board_info
,
779 ARRAY_SIZE(bfin_i2c_board_info
));
780 platform_add_devices(stamp_devices
, ARRAY_SIZE(stamp_devices
));
781 spi_register_board_info(bfin_spi_board_info
, ARRAY_SIZE(bfin_spi_board_info
));
782 /* setup BF518-EZBRD GPIO pin PG11 to AMS2, PG15 to AMS3. */
783 peripheral_request(P_AMS2
, "ParaFlash");
784 #if !IS_ENABLED(CONFIG_SPI_BFIN5XX)
785 peripheral_request(P_AMS3
, "ParaFlash");
790 arch_initcall(ezbrd_init
);
792 static struct platform_device
*ezbrd_early_devices
[] __initdata
= {
793 #if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
794 #ifdef CONFIG_SERIAL_BFIN_UART0
797 #ifdef CONFIG_SERIAL_BFIN_UART1
802 #if defined(CONFIG_SERIAL_BFIN_SPORT_CONSOLE)
803 #ifdef CONFIG_SERIAL_BFIN_SPORT0_UART
804 &bfin_sport0_uart_device
,
806 #ifdef CONFIG_SERIAL_BFIN_SPORT1_UART
807 &bfin_sport1_uart_device
,
812 void __init
native_machine_early_platform_add_devices(void)
814 printk(KERN_INFO
"register early platform devices\n");
815 early_platform_add_devices(ezbrd_early_devices
,
816 ARRAY_SIZE(ezbrd_early_devices
));
819 void native_machine_restart(char *cmd
)
821 /* workaround reboot hang when booting from SPI */
822 if ((bfin_read_SYSCR() & 0x7) == 0x3)
823 bfin_reset_boot_spi_cs(P_DEFAULT_BOOT_SPI_CS
);
826 int bfin_get_ether_addr(char *addr
)
828 /* the MAC is stored in OTP memory page 0xDF */
831 u32 (*otp_read
)(u32 page
, u32 flags
, u64
*page_content
) = (void *)0xEF00001A;
833 ret
= otp_read(0xDF, 0x00, &otp_mac
);
835 char *otp_mac_p
= (char *)&otp_mac
;
836 for (ret
= 0; ret
< 6; ++ret
)
837 addr
[ret
] = otp_mac_p
[5 - ret
];
841 EXPORT_SYMBOL(bfin_get_ether_addr
);