2 * KFR2R09 board support code
4 * Copyright (C) 2009 Magnus Damm
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
10 #include <linux/init.h>
11 #include <linux/platform_device.h>
12 #include <linux/interrupt.h>
13 #include <linux/mfd/sh_mobile_sdhi.h>
14 #include <linux/mfd/tmio.h>
15 #include <linux/mtd/physmap.h>
16 #include <linux/mtd/onenand.h>
17 #include <linux/delay.h>
18 #include <linux/clk.h>
19 #include <linux/gpio.h>
20 #include <linux/input.h>
21 #include <linux/input/sh_keysc.h>
22 #include <linux/i2c.h>
23 #include <linux/usb/r8a66597.h>
24 #include <media/rj54n1cb0c.h>
25 #include <media/soc_camera.h>
26 #include <media/sh_mobile_ceu.h>
27 #include <video/sh_mobile_lcdc.h>
28 #include <asm/suspend.h>
29 #include <asm/clock.h>
30 #include <asm/machvec.h>
32 #include <cpu/sh7724.h>
33 #include <mach/kfr2r09.h>
35 static struct mtd_partition kfr2r09_nor_flash_partitions
[] =
40 .size
= (4 * 1024 * 1024),
41 .mask_flags
= MTD_WRITEABLE
, /* Read-only */
45 .offset
= MTDPART_OFS_APPEND
,
46 .size
= MTDPART_SIZ_FULL
,
50 static struct physmap_flash_data kfr2r09_nor_flash_data
= {
52 .parts
= kfr2r09_nor_flash_partitions
,
53 .nr_parts
= ARRAY_SIZE(kfr2r09_nor_flash_partitions
),
56 static struct resource kfr2r09_nor_flash_resources
[] = {
61 .flags
= IORESOURCE_MEM
,
65 static struct platform_device kfr2r09_nor_flash_device
= {
66 .name
= "physmap-flash",
67 .resource
= kfr2r09_nor_flash_resources
,
68 .num_resources
= ARRAY_SIZE(kfr2r09_nor_flash_resources
),
70 .platform_data
= &kfr2r09_nor_flash_data
,
74 static struct resource kfr2r09_nand_flash_resources
[] = {
79 .flags
= IORESOURCE_MEM
,
83 static struct platform_device kfr2r09_nand_flash_device
= {
84 .name
= "onenand-flash",
85 .resource
= kfr2r09_nand_flash_resources
,
86 .num_resources
= ARRAY_SIZE(kfr2r09_nand_flash_resources
),
89 static struct sh_keysc_info kfr2r09_sh_keysc_info
= {
90 .mode
= SH_KEYSC_MODE_1
, /* KEYOUT0->4, KEYIN0->4 */
94 KEY_PHONE
, KEY_CLEAR
, KEY_MAIL
, KEY_WWW
, KEY_ENTER
,
95 KEY_1
, KEY_2
, KEY_3
, 0, KEY_UP
,
96 KEY_4
, KEY_5
, KEY_6
, 0, KEY_LEFT
,
97 KEY_7
, KEY_8
, KEY_9
, KEY_PROG1
, KEY_RIGHT
,
98 KEY_S
, KEY_0
, KEY_P
, KEY_PROG2
, KEY_DOWN
,
103 static struct resource kfr2r09_sh_keysc_resources
[] = {
108 .flags
= IORESOURCE_MEM
,
112 .flags
= IORESOURCE_IRQ
,
116 static struct platform_device kfr2r09_sh_keysc_device
= {
118 .id
= 0, /* "keysc0" clock */
119 .num_resources
= ARRAY_SIZE(kfr2r09_sh_keysc_resources
),
120 .resource
= kfr2r09_sh_keysc_resources
,
122 .platform_data
= &kfr2r09_sh_keysc_info
,
125 .hwblk_id
= HWBLK_KEYSC
,
129 const static struct fb_videomode kfr2r09_lcdc_modes
[] = {
131 .name
= "TX07D34VM0AAA",
140 .sync
= FB_SYNC_HOR_HIGH_ACT
| FB_SYNC_VERT_HIGH_ACT
,
144 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info
= {
145 .clock_source
= LCDC_CLK_BUS
,
147 .chan
= LCDC_CHAN_MAINLCD
,
149 .interface_type
= SYS18
,
151 .flags
= LCDC_FLAGS_DWPOL
,
152 .lcd_cfg
= kfr2r09_lcdc_modes
,
153 .num_cfg
= ARRAY_SIZE(kfr2r09_lcdc_modes
),
159 .setup_sys
= kfr2r09_lcd_setup
,
160 .start_transfer
= kfr2r09_lcd_start
,
161 .display_on
= kfr2r09_lcd_on
,
162 .display_off
= kfr2r09_lcd_off
,
165 .ldmt2r
= 0x07010904,
166 .ldmt3r
= 0x14012914,
167 /* set 1s delay to encourage fsync() */
168 .deferred_io_msec
= 1000,
173 static struct resource kfr2r09_sh_lcdc_resources
[] = {
176 .start
= 0xfe940000, /* P4-only space */
178 .flags
= IORESOURCE_MEM
,
182 .flags
= IORESOURCE_IRQ
,
186 static struct platform_device kfr2r09_sh_lcdc_device
= {
187 .name
= "sh_mobile_lcdc_fb",
188 .num_resources
= ARRAY_SIZE(kfr2r09_sh_lcdc_resources
),
189 .resource
= kfr2r09_sh_lcdc_resources
,
191 .platform_data
= &kfr2r09_sh_lcdc_info
,
194 .hwblk_id
= HWBLK_LCDC
,
198 static struct r8a66597_platdata kfr2r09_usb0_gadget_data
= {
202 static struct resource kfr2r09_usb0_gadget_resources
[] = {
206 .flags
= IORESOURCE_MEM
,
211 .flags
= IORESOURCE_IRQ
| IRQF_TRIGGER_LOW
,
215 static struct platform_device kfr2r09_usb0_gadget_device
= {
216 .name
= "r8a66597_udc",
219 .dma_mask
= NULL
, /* not use dma */
220 .coherent_dma_mask
= 0xffffffff,
221 .platform_data
= &kfr2r09_usb0_gadget_data
,
223 .num_resources
= ARRAY_SIZE(kfr2r09_usb0_gadget_resources
),
224 .resource
= kfr2r09_usb0_gadget_resources
,
227 static struct sh_mobile_ceu_info sh_mobile_ceu_info
= {
228 .flags
= SH_CEU_FLAG_USE_8BIT_BUS
,
231 static struct resource kfr2r09_ceu_resources
[] = {
236 .flags
= IORESOURCE_MEM
,
241 .flags
= IORESOURCE_IRQ
,
244 /* place holder for contiguous memory */
248 static struct platform_device kfr2r09_ceu_device
= {
249 .name
= "sh_mobile_ceu",
250 .id
= 0, /* "ceu0" clock */
251 .num_resources
= ARRAY_SIZE(kfr2r09_ceu_resources
),
252 .resource
= kfr2r09_ceu_resources
,
254 .platform_data
= &sh_mobile_ceu_info
,
257 .hwblk_id
= HWBLK_CEU0
,
261 static struct i2c_board_info kfr2r09_i2c_camera
= {
262 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
265 static struct clk
*camera_clk
;
267 /* set VIO_CKO clock to 25MHz */
268 #define CEU_MCLK_FREQ 25000000
270 #define DRVCRB 0xA405018C
271 static int camera_power(struct device
*dev
, int mode
)
278 camera_clk
= clk_get(NULL
, "video_clk");
279 if (IS_ERR(camera_clk
))
280 return PTR_ERR(camera_clk
);
282 rate
= clk_round_rate(camera_clk
, CEU_MCLK_FREQ
);
283 ret
= clk_set_rate(camera_clk
, rate
);
289 * use 1.8 V for VccQ_VIO
290 * use 2.85V for VccQ_SR
292 __raw_writew((__raw_readw(DRVCRB
) & ~0x0003) | 0x0001, DRVCRB
);
295 ret
= gpio_request(GPIO_PTB4
, NULL
);
298 ret
= gpio_request(GPIO_PTB7
, NULL
);
302 ret
= gpio_direction_output(GPIO_PTB4
, 1);
304 ret
= gpio_direction_output(GPIO_PTB7
, 1);
309 ret
= clk_enable(camera_clk
); /* start VIO_CKO */
318 clk_disable(camera_clk
);
320 gpio_set_value(GPIO_PTB7
, 0);
322 gpio_set_value(GPIO_PTB4
, 0);
323 gpio_free(GPIO_PTB7
);
325 gpio_free(GPIO_PTB4
);
332 static struct rj54n1_pdata rj54n1_priv
= {
333 .mclk_freq
= CEU_MCLK_FREQ
,
337 static struct soc_camera_link rj54n1_link
= {
338 .power
= camera_power
,
339 .board_info
= &kfr2r09_i2c_camera
,
341 .module_name
= "rj54n1cb0c",
342 .priv
= &rj54n1_priv
,
345 static struct platform_device kfr2r09_camera
= {
346 .name
= "soc-camera-pdrv",
349 .platform_data
= &rj54n1_link
,
353 static struct resource kfr2r09_sh_sdhi0_resources
[] = {
358 .flags
= IORESOURCE_MEM
,
362 .flags
= IORESOURCE_IRQ
,
366 static struct sh_mobile_sdhi_info sh7724_sdhi0_data
= {
367 .dma_slave_tx
= SHDMA_SLAVE_SDHI0_TX
,
368 .dma_slave_rx
= SHDMA_SLAVE_SDHI0_RX
,
369 .tmio_flags
= TMIO_MMC_WRPROTECT_DISABLE
,
372 static struct platform_device kfr2r09_sh_sdhi0_device
= {
373 .name
= "sh_mobile_sdhi",
374 .num_resources
= ARRAY_SIZE(kfr2r09_sh_sdhi0_resources
),
375 .resource
= kfr2r09_sh_sdhi0_resources
,
377 .platform_data
= &sh7724_sdhi0_data
,
380 .hwblk_id
= HWBLK_SDHI0
,
384 static struct platform_device
*kfr2r09_devices
[] __initdata
= {
385 &kfr2r09_nor_flash_device
,
386 &kfr2r09_nand_flash_device
,
387 &kfr2r09_sh_keysc_device
,
388 &kfr2r09_sh_lcdc_device
,
391 &kfr2r09_sh_sdhi0_device
,
394 #define BSC_CS0BCR 0xfec10004
395 #define BSC_CS0WCR 0xfec10024
396 #define BSC_CS4BCR 0xfec10010
397 #define BSC_CS4WCR 0xfec10030
398 #define PORT_MSELCRB 0xa4050182
401 static int kfr2r09_usb0_gadget_i2c_setup(void)
403 struct i2c_adapter
*a
;
405 unsigned char buf
[2];
408 a
= i2c_get_adapter(0);
412 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
418 ret
= i2c_transfer(a
, &msg
, 1);
426 msg
.flags
= I2C_M_RD
;
427 ret
= i2c_transfer(a
, &msg
, 1);
431 buf
[1] = buf
[0] | (1 << 1);
437 ret
= i2c_transfer(a
, &msg
, 1);
444 static int kfr2r09_serial_i2c_setup(void)
446 struct i2c_adapter
*a
;
448 unsigned char buf
[2];
451 a
= i2c_get_adapter(0);
455 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
461 ret
= i2c_transfer(a
, &msg
, 1);
469 msg
.flags
= I2C_M_RD
;
470 ret
= i2c_transfer(a
, &msg
, 1);
474 buf
[1] = buf
[0] | (1 << 6);
480 ret
= i2c_transfer(a
, &msg
, 1);
487 static int kfr2r09_usb0_gadget_i2c_setup(void)
492 static int kfr2r09_serial_i2c_setup(void)
498 static int kfr2r09_usb0_gadget_setup(void)
502 gpio_request(GPIO_PTN4
, NULL
); /* USB_DET */
503 gpio_direction_input(GPIO_PTN4
);
504 plugged_in
= gpio_get_value(GPIO_PTN4
);
506 return -ENODEV
; /* no cable plugged in */
508 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
509 return -ENODEV
; /* unable to configure using i2c */
511 __raw_writew((__raw_readw(PORT_MSELCRB
) & ~0xc000) | 0x8000, PORT_MSELCRB
);
512 gpio_request(GPIO_FN_PDSTATUS
, NULL
); /* R-standby disables USB clock */
513 gpio_request(GPIO_PTV6
, NULL
); /* USBCLK_ON */
514 gpio_direction_output(GPIO_PTV6
, 1); /* USBCLK_ON = H */
515 msleep(20); /* wait 20ms to let the clock settle */
516 clk_enable(clk_get(NULL
, "usb0"));
517 __raw_writew(0x0600, 0xa40501d4);
522 extern char kfr2r09_sdram_enter_start
;
523 extern char kfr2r09_sdram_enter_end
;
524 extern char kfr2r09_sdram_leave_start
;
525 extern char kfr2r09_sdram_leave_end
;
527 static int __init
kfr2r09_devices_setup(void)
529 /* register board specific self-refresh code */
530 sh_mobile_register_self_refresh(SUSP_SH_STANDBY
| SUSP_SH_SF
|
532 &kfr2r09_sdram_enter_start
,
533 &kfr2r09_sdram_enter_end
,
534 &kfr2r09_sdram_leave_start
,
535 &kfr2r09_sdram_leave_end
);
537 /* enable SCIF1 serial port for YC401 console support */
538 gpio_request(GPIO_FN_SCIF1_RXD
, NULL
);
539 gpio_request(GPIO_FN_SCIF1_TXD
, NULL
);
540 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
541 gpio_request(GPIO_PTG3
, NULL
); /* HPON_ON */
542 gpio_direction_output(GPIO_PTG3
, 1); /* HPON_ON = H */
544 /* setup NOR flash at CS0 */
545 __raw_writel(0x36db0400, BSC_CS0BCR
);
546 __raw_writel(0x00000500, BSC_CS0WCR
);
548 /* setup NAND flash at CS4 */
549 __raw_writel(0x36db0400, BSC_CS4BCR
);
550 __raw_writel(0x00000500, BSC_CS4WCR
);
552 /* setup KEYSC pins */
553 gpio_request(GPIO_FN_KEYOUT0
, NULL
);
554 gpio_request(GPIO_FN_KEYOUT1
, NULL
);
555 gpio_request(GPIO_FN_KEYOUT2
, NULL
);
556 gpio_request(GPIO_FN_KEYOUT3
, NULL
);
557 gpio_request(GPIO_FN_KEYOUT4_IN6
, NULL
);
558 gpio_request(GPIO_FN_KEYIN0
, NULL
);
559 gpio_request(GPIO_FN_KEYIN1
, NULL
);
560 gpio_request(GPIO_FN_KEYIN2
, NULL
);
561 gpio_request(GPIO_FN_KEYIN3
, NULL
);
562 gpio_request(GPIO_FN_KEYIN4
, NULL
);
563 gpio_request(GPIO_FN_KEYOUT5_IN5
, NULL
);
565 /* setup LCDC pins for SYS panel */
566 gpio_request(GPIO_FN_LCDD17
, NULL
);
567 gpio_request(GPIO_FN_LCDD16
, NULL
);
568 gpio_request(GPIO_FN_LCDD15
, NULL
);
569 gpio_request(GPIO_FN_LCDD14
, NULL
);
570 gpio_request(GPIO_FN_LCDD13
, NULL
);
571 gpio_request(GPIO_FN_LCDD12
, NULL
);
572 gpio_request(GPIO_FN_LCDD11
, NULL
);
573 gpio_request(GPIO_FN_LCDD10
, NULL
);
574 gpio_request(GPIO_FN_LCDD9
, NULL
);
575 gpio_request(GPIO_FN_LCDD8
, NULL
);
576 gpio_request(GPIO_FN_LCDD7
, NULL
);
577 gpio_request(GPIO_FN_LCDD6
, NULL
);
578 gpio_request(GPIO_FN_LCDD5
, NULL
);
579 gpio_request(GPIO_FN_LCDD4
, NULL
);
580 gpio_request(GPIO_FN_LCDD3
, NULL
);
581 gpio_request(GPIO_FN_LCDD2
, NULL
);
582 gpio_request(GPIO_FN_LCDD1
, NULL
);
583 gpio_request(GPIO_FN_LCDD0
, NULL
);
584 gpio_request(GPIO_FN_LCDRS
, NULL
); /* LCD_RS */
585 gpio_request(GPIO_FN_LCDCS
, NULL
); /* LCD_CS/ */
586 gpio_request(GPIO_FN_LCDRD
, NULL
); /* LCD_RD/ */
587 gpio_request(GPIO_FN_LCDWR
, NULL
); /* LCD_WR/ */
588 gpio_request(GPIO_FN_LCDVSYN
, NULL
); /* LCD_VSYNC */
589 gpio_request(GPIO_PTE4
, NULL
); /* LCD_RST/ */
590 gpio_direction_output(GPIO_PTE4
, 1);
591 gpio_request(GPIO_PTF4
, NULL
); /* PROTECT/ */
592 gpio_direction_output(GPIO_PTF4
, 1);
593 gpio_request(GPIO_PTU0
, NULL
); /* LEDSTDBY/ */
594 gpio_direction_output(GPIO_PTU0
, 1);
596 /* setup USB function */
597 if (kfr2r09_usb0_gadget_setup() == 0)
598 platform_device_register(&kfr2r09_usb0_gadget_device
);
601 gpio_request(GPIO_FN_VIO_CKO
, NULL
);
602 gpio_request(GPIO_FN_VIO0_CLK
, NULL
);
603 gpio_request(GPIO_FN_VIO0_VD
, NULL
);
604 gpio_request(GPIO_FN_VIO0_HD
, NULL
);
605 gpio_request(GPIO_FN_VIO0_FLD
, NULL
);
606 gpio_request(GPIO_FN_VIO0_D7
, NULL
);
607 gpio_request(GPIO_FN_VIO0_D6
, NULL
);
608 gpio_request(GPIO_FN_VIO0_D5
, NULL
);
609 gpio_request(GPIO_FN_VIO0_D4
, NULL
);
610 gpio_request(GPIO_FN_VIO0_D3
, NULL
);
611 gpio_request(GPIO_FN_VIO0_D2
, NULL
);
612 gpio_request(GPIO_FN_VIO0_D1
, NULL
);
613 gpio_request(GPIO_FN_VIO0_D0
, NULL
);
615 platform_resource_setup_memory(&kfr2r09_ceu_device
, "ceu", 4 << 20);
617 /* SDHI0 connected to yc304 */
618 gpio_request(GPIO_FN_SDHI0CD
, NULL
);
619 gpio_request(GPIO_FN_SDHI0D3
, NULL
);
620 gpio_request(GPIO_FN_SDHI0D2
, NULL
);
621 gpio_request(GPIO_FN_SDHI0D1
, NULL
);
622 gpio_request(GPIO_FN_SDHI0D0
, NULL
);
623 gpio_request(GPIO_FN_SDHI0CMD
, NULL
);
624 gpio_request(GPIO_FN_SDHI0CLK
, NULL
);
626 return platform_add_devices(kfr2r09_devices
,
627 ARRAY_SIZE(kfr2r09_devices
));
629 device_initcall(kfr2r09_devices_setup
);
631 /* Return the board specific boot mode pin configuration */
632 static int kfr2r09_mode_pins(void)
634 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
635 * MD3=0: 16-bit Area0 Bus Width
636 * MD5=1: Little Endian
637 * MD8=1: Test Mode Disabled
639 return MODE_PIN0
| MODE_PIN1
| MODE_PIN5
| MODE_PIN8
;
645 static struct sh_machine_vector mv_kfr2r09 __initmv
= {
646 .mv_name
= "kfr2r09",
647 .mv_mode_pins
= kfr2r09_mode_pins
,