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/mtd/physmap.h>
14 #include <linux/mtd/onenand.h>
15 #include <linux/delay.h>
16 #include <linux/clk.h>
17 #include <linux/gpio.h>
18 #include <linux/input.h>
19 #include <linux/input/sh_keysc.h>
20 #include <linux/i2c.h>
21 #include <linux/usb/r8a66597.h>
22 #include <media/soc_camera.h>
23 #include <media/sh_mobile_ceu.h>
24 #include <video/sh_mobile_lcdc.h>
25 #include <asm/suspend.h>
26 #include <asm/clock.h>
27 #include <asm/machvec.h>
29 #include <cpu/sh7724.h>
30 #include <mach/kfr2r09.h>
32 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
37 .size = (4 * 1024 * 1024),
38 .mask_flags = MTD_WRITEABLE, /* Read-only */
42 .offset = MTDPART_OFS_APPEND,
43 .size = MTDPART_SIZ_FULL,
47 static struct physmap_flash_data kfr2r09_nor_flash_data = {
49 .parts = kfr2r09_nor_flash_partitions,
50 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
53 static struct resource kfr2r09_nor_flash_resources[] = {
58 .flags = IORESOURCE_MEM,
62 static struct platform_device kfr2r09_nor_flash_device = {
63 .name = "physmap-flash",
64 .resource = kfr2r09_nor_flash_resources,
65 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
67 .platform_data = &kfr2r09_nor_flash_data,
71 static struct resource kfr2r09_nand_flash_resources[] = {
76 .flags = IORESOURCE_MEM,
80 static struct platform_device kfr2r09_nand_flash_device = {
81 .name = "onenand-flash",
82 .resource = kfr2r09_nand_flash_resources,
83 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
86 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
87 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
91 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
92 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
93 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
94 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
95 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
100 static struct resource kfr2r09_sh_keysc_resources[] = {
105 .flags = IORESOURCE_MEM,
109 .flags = IORESOURCE_IRQ,
113 static struct platform_device kfr2r09_sh_keysc_device = {
115 .id = 0, /* "keysc0" clock */
116 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
117 .resource = kfr2r09_sh_keysc_resources,
119 .platform_data = &kfr2r09_sh_keysc_info,
122 .hwblk_id = HWBLK_KEYSC,
126 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
127 .clock_source = LCDC_CLK_BUS,
129 .chan = LCDC_CHAN_MAINLCD,
131 .interface_type = SYS18,
133 .flags = LCDC_FLAGS_DWPOL,
135 .name = "TX07D34VM0AAA",
144 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
151 .setup_sys = kfr2r09_lcd_setup,
152 .start_transfer = kfr2r09_lcd_start,
153 .display_on = kfr2r09_lcd_on,
154 .display_off = kfr2r09_lcd_off,
157 .ldmt2r = 0x07010904,
158 .ldmt3r = 0x14012914,
159 /* set 1s delay to encourage fsync() */
160 .deferred_io_msec = 1000,
165 static struct resource kfr2r09_sh_lcdc_resources[] = {
168 .start = 0xfe940000, /* P4-only space */
170 .flags = IORESOURCE_MEM,
174 .flags = IORESOURCE_IRQ,
178 static struct platform_device kfr2r09_sh_lcdc_device = {
179 .name = "sh_mobile_lcdc_fb",
180 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
181 .resource = kfr2r09_sh_lcdc_resources,
183 .platform_data = &kfr2r09_sh_lcdc_info,
186 .hwblk_id = HWBLK_LCDC,
190 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
194 static struct resource kfr2r09_usb0_gadget_resources[] = {
198 .flags = IORESOURCE_MEM,
203 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
207 static struct platform_device kfr2r09_usb0_gadget_device = {
208 .name = "r8a66597_udc",
211 .dma_mask = NULL, /* not use dma */
212 .coherent_dma_mask = 0xffffffff,
213 .platform_data = &kfr2r09_usb0_gadget_data,
215 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
216 .resource = kfr2r09_usb0_gadget_resources,
219 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
220 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
223 static struct resource kfr2r09_ceu_resources[] = {
228 .flags = IORESOURCE_MEM,
233 .flags = IORESOURCE_IRQ,
236 /* place holder for contiguous memory */
240 static struct platform_device kfr2r09_ceu_device = {
241 .name = "sh_mobile_ceu",
242 .id = 0, /* "ceu0" clock */
243 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
244 .resource = kfr2r09_ceu_resources,
246 .platform_data = &sh_mobile_ceu_info,
249 .hwblk_id = HWBLK_CEU0,
253 static struct i2c_board_info kfr2r09_i2c_camera = {
254 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
257 static struct clk *camera_clk;
259 #define DRVCRB 0xA405018C
260 static int camera_power(struct device *dev, int mode)
267 camera_clk = clk_get(NULL, "video_clk");
268 if (IS_ERR(camera_clk))
269 return PTR_ERR(camera_clk);
271 /* set VIO_CKO clock to 25MHz */
272 rate = clk_round_rate(camera_clk, 25000000);
273 ret = clk_set_rate(camera_clk, rate);
279 * use 1.8 V for VccQ_VIO
280 * use 2.85V for VccQ_SR
282 ctrl_outw((ctrl_inw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
285 ret = gpio_request(GPIO_PTB4, NULL);
288 ret = gpio_request(GPIO_PTB7, NULL);
292 ret = gpio_direction_output(GPIO_PTB4, 1);
294 ret = gpio_direction_output(GPIO_PTB7, 1);
299 ret = clk_enable(camera_clk); /* start VIO_CKO */
308 clk_disable(camera_clk);
310 gpio_set_value(GPIO_PTB7, 0);
312 gpio_set_value(GPIO_PTB4, 0);
313 gpio_free(GPIO_PTB7);
315 gpio_free(GPIO_PTB4);
322 static struct soc_camera_link rj54n1_link = {
323 .power = camera_power,
324 .board_info = &kfr2r09_i2c_camera,
326 .module_name = "rj54n1cb0c",
329 static struct platform_device kfr2r09_camera = {
330 .name = "soc-camera-pdrv",
333 .platform_data = &rj54n1_link,
337 static struct resource kfr2r09_sh_sdhi0_resources[] = {
342 .flags = IORESOURCE_MEM,
346 .flags = IORESOURCE_IRQ,
350 static struct platform_device kfr2r09_sh_sdhi0_device = {
351 .name = "sh_mobile_sdhi",
352 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
353 .resource = kfr2r09_sh_sdhi0_resources,
355 .hwblk_id = HWBLK_SDHI0,
359 static struct platform_device *kfr2r09_devices[] __initdata = {
360 &kfr2r09_nor_flash_device,
361 &kfr2r09_nand_flash_device,
362 &kfr2r09_sh_keysc_device,
363 &kfr2r09_sh_lcdc_device,
366 &kfr2r09_sh_sdhi0_device,
369 #define BSC_CS0BCR 0xfec10004
370 #define BSC_CS0WCR 0xfec10024
371 #define BSC_CS4BCR 0xfec10010
372 #define BSC_CS4WCR 0xfec10030
373 #define PORT_MSELCRB 0xa4050182
376 static int kfr2r09_usb0_gadget_i2c_setup(void)
378 struct i2c_adapter *a;
380 unsigned char buf[2];
383 a = i2c_get_adapter(0);
387 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
393 ret = i2c_transfer(a, &msg, 1);
401 msg.flags = I2C_M_RD;
402 ret = i2c_transfer(a, &msg, 1);
406 buf[1] = buf[0] | (1 << 1);
412 ret = i2c_transfer(a, &msg, 1);
419 static int kfr2r09_serial_i2c_setup(void)
421 struct i2c_adapter *a;
423 unsigned char buf[2];
426 a = i2c_get_adapter(0);
430 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
436 ret = i2c_transfer(a, &msg, 1);
444 msg.flags = I2C_M_RD;
445 ret = i2c_transfer(a, &msg, 1);
449 buf[1] = buf[0] | (1 << 6);
455 ret = i2c_transfer(a, &msg, 1);
462 static int kfr2r09_usb0_gadget_i2c_setup(void)
467 static int kfr2r09_serial_i2c_setup(void)
473 static int kfr2r09_usb0_gadget_setup(void)
477 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
478 gpio_direction_input(GPIO_PTN4);
479 plugged_in = gpio_get_value(GPIO_PTN4);
481 return -ENODEV; /* no cable plugged in */
483 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
484 return -ENODEV; /* unable to configure using i2c */
486 ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
487 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
488 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
489 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
490 msleep(20); /* wait 20ms to let the clock settle */
491 clk_enable(clk_get(NULL, "usb0"));
492 ctrl_outw(0x0600, 0xa40501d4);
497 extern char kfr2r09_sdram_enter_start;
498 extern char kfr2r09_sdram_enter_end;
499 extern char kfr2r09_sdram_leave_start;
500 extern char kfr2r09_sdram_leave_end;
502 static int __init kfr2r09_devices_setup(void)
504 /* register board specific self-refresh code */
505 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
507 &kfr2r09_sdram_enter_start,
508 &kfr2r09_sdram_enter_end,
509 &kfr2r09_sdram_leave_start,
510 &kfr2r09_sdram_leave_end);
512 /* enable SCIF1 serial port for YC401 console support */
513 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
514 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
515 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
516 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
517 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
519 /* setup NOR flash at CS0 */
520 ctrl_outl(0x36db0400, BSC_CS0BCR);
521 ctrl_outl(0x00000500, BSC_CS0WCR);
523 /* setup NAND flash at CS4 */
524 ctrl_outl(0x36db0400, BSC_CS4BCR);
525 ctrl_outl(0x00000500, BSC_CS4WCR);
527 /* setup KEYSC pins */
528 gpio_request(GPIO_FN_KEYOUT0, NULL);
529 gpio_request(GPIO_FN_KEYOUT1, NULL);
530 gpio_request(GPIO_FN_KEYOUT2, NULL);
531 gpio_request(GPIO_FN_KEYOUT3, NULL);
532 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
533 gpio_request(GPIO_FN_KEYIN0, NULL);
534 gpio_request(GPIO_FN_KEYIN1, NULL);
535 gpio_request(GPIO_FN_KEYIN2, NULL);
536 gpio_request(GPIO_FN_KEYIN3, NULL);
537 gpio_request(GPIO_FN_KEYIN4, NULL);
538 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
540 /* setup LCDC pins for SYS panel */
541 gpio_request(GPIO_FN_LCDD17, NULL);
542 gpio_request(GPIO_FN_LCDD16, NULL);
543 gpio_request(GPIO_FN_LCDD15, NULL);
544 gpio_request(GPIO_FN_LCDD14, NULL);
545 gpio_request(GPIO_FN_LCDD13, NULL);
546 gpio_request(GPIO_FN_LCDD12, NULL);
547 gpio_request(GPIO_FN_LCDD11, NULL);
548 gpio_request(GPIO_FN_LCDD10, NULL);
549 gpio_request(GPIO_FN_LCDD9, NULL);
550 gpio_request(GPIO_FN_LCDD8, NULL);
551 gpio_request(GPIO_FN_LCDD7, NULL);
552 gpio_request(GPIO_FN_LCDD6, NULL);
553 gpio_request(GPIO_FN_LCDD5, NULL);
554 gpio_request(GPIO_FN_LCDD4, NULL);
555 gpio_request(GPIO_FN_LCDD3, NULL);
556 gpio_request(GPIO_FN_LCDD2, NULL);
557 gpio_request(GPIO_FN_LCDD1, NULL);
558 gpio_request(GPIO_FN_LCDD0, NULL);
559 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
560 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
561 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
562 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
563 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
564 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
565 gpio_direction_output(GPIO_PTE4, 1);
566 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
567 gpio_direction_output(GPIO_PTF4, 1);
568 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
569 gpio_direction_output(GPIO_PTU0, 1);
571 /* setup USB function */
572 if (kfr2r09_usb0_gadget_setup() == 0)
573 platform_device_register(&kfr2r09_usb0_gadget_device);
576 gpio_request(GPIO_FN_VIO_CKO, NULL);
577 gpio_request(GPIO_FN_VIO0_CLK, NULL);
578 gpio_request(GPIO_FN_VIO0_VD, NULL);
579 gpio_request(GPIO_FN_VIO0_HD, NULL);
580 gpio_request(GPIO_FN_VIO0_FLD, NULL);
581 gpio_request(GPIO_FN_VIO0_D7, NULL);
582 gpio_request(GPIO_FN_VIO0_D6, NULL);
583 gpio_request(GPIO_FN_VIO0_D5, NULL);
584 gpio_request(GPIO_FN_VIO0_D4, NULL);
585 gpio_request(GPIO_FN_VIO0_D3, NULL);
586 gpio_request(GPIO_FN_VIO0_D2, NULL);
587 gpio_request(GPIO_FN_VIO0_D1, NULL);
588 gpio_request(GPIO_FN_VIO0_D0, NULL);
590 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
592 /* SDHI0 connected to yc304 */
593 gpio_request(GPIO_FN_SDHI0CD, NULL);
594 gpio_request(GPIO_FN_SDHI0D3, NULL);
595 gpio_request(GPIO_FN_SDHI0D2, NULL);
596 gpio_request(GPIO_FN_SDHI0D1, NULL);
597 gpio_request(GPIO_FN_SDHI0D0, NULL);
598 gpio_request(GPIO_FN_SDHI0CMD, NULL);
599 gpio_request(GPIO_FN_SDHI0CLK, NULL);
601 return platform_add_devices(kfr2r09_devices,
602 ARRAY_SIZE(kfr2r09_devices));
604 device_initcall(kfr2r09_devices_setup);
606 /* Return the board specific boot mode pin configuration */
607 static int kfr2r09_mode_pins(void)
609 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
610 * MD3=0: 16-bit Area0 Bus Width
611 * MD5=1: Little Endian
612 * MD8=1: Test Mode Disabled
614 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
620 static struct sh_machine_vector mv_kfr2r09 __initmv = {
621 .mv_name = "kfr2r09",
622 .mv_mode_pins = kfr2r09_mode_pins,