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 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
130 .clock_source = LCDC_CLK_BUS,
132 .chan = LCDC_CHAN_MAINLCD,
134 .interface_type = SYS18,
136 .flags = LCDC_FLAGS_DWPOL,
138 .name = "TX07D34VM0AAA",
147 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
154 .setup_sys = kfr2r09_lcd_setup,
155 .start_transfer = kfr2r09_lcd_start,
156 .display_on = kfr2r09_lcd_on,
157 .display_off = kfr2r09_lcd_off,
160 .ldmt2r = 0x07010904,
161 .ldmt3r = 0x14012914,
162 /* set 1s delay to encourage fsync() */
163 .deferred_io_msec = 1000,
168 static struct resource kfr2r09_sh_lcdc_resources[] = {
171 .start = 0xfe940000, /* P4-only space */
173 .flags = IORESOURCE_MEM,
177 .flags = IORESOURCE_IRQ,
181 static struct platform_device kfr2r09_sh_lcdc_device = {
182 .name = "sh_mobile_lcdc_fb",
183 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
184 .resource = kfr2r09_sh_lcdc_resources,
186 .platform_data = &kfr2r09_sh_lcdc_info,
189 .hwblk_id = HWBLK_LCDC,
193 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
197 static struct resource kfr2r09_usb0_gadget_resources[] = {
201 .flags = IORESOURCE_MEM,
206 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
210 static struct platform_device kfr2r09_usb0_gadget_device = {
211 .name = "r8a66597_udc",
214 .dma_mask = NULL, /* not use dma */
215 .coherent_dma_mask = 0xffffffff,
216 .platform_data = &kfr2r09_usb0_gadget_data,
218 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
219 .resource = kfr2r09_usb0_gadget_resources,
222 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
223 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
226 static struct resource kfr2r09_ceu_resources[] = {
231 .flags = IORESOURCE_MEM,
236 .flags = IORESOURCE_IRQ,
239 /* place holder for contiguous memory */
243 static struct platform_device kfr2r09_ceu_device = {
244 .name = "sh_mobile_ceu",
245 .id = 0, /* "ceu0" clock */
246 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
247 .resource = kfr2r09_ceu_resources,
249 .platform_data = &sh_mobile_ceu_info,
252 .hwblk_id = HWBLK_CEU0,
256 static struct i2c_board_info kfr2r09_i2c_camera = {
257 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
260 static struct clk *camera_clk;
262 /* set VIO_CKO clock to 25MHz */
263 #define CEU_MCLK_FREQ 25000000
265 #define DRVCRB 0xA405018C
266 static int camera_power(struct device *dev, int mode)
273 camera_clk = clk_get(NULL, "video_clk");
274 if (IS_ERR(camera_clk))
275 return PTR_ERR(camera_clk);
277 rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
278 ret = clk_set_rate(camera_clk, rate);
284 * use 1.8 V for VccQ_VIO
285 * use 2.85V for VccQ_SR
287 __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
290 ret = gpio_request(GPIO_PTB4, NULL);
293 ret = gpio_request(GPIO_PTB7, NULL);
297 ret = gpio_direction_output(GPIO_PTB4, 1);
299 ret = gpio_direction_output(GPIO_PTB7, 1);
304 ret = clk_enable(camera_clk); /* start VIO_CKO */
313 clk_disable(camera_clk);
315 gpio_set_value(GPIO_PTB7, 0);
317 gpio_set_value(GPIO_PTB4, 0);
318 gpio_free(GPIO_PTB7);
320 gpio_free(GPIO_PTB4);
327 static struct rj54n1_pdata rj54n1_priv = {
328 .mclk_freq = CEU_MCLK_FREQ,
332 static struct soc_camera_link rj54n1_link = {
333 .power = camera_power,
334 .board_info = &kfr2r09_i2c_camera,
336 .priv = &rj54n1_priv,
339 static struct platform_device kfr2r09_camera = {
340 .name = "soc-camera-pdrv",
343 .platform_data = &rj54n1_link,
347 static struct resource kfr2r09_sh_sdhi0_resources[] = {
352 .flags = IORESOURCE_MEM,
356 .flags = IORESOURCE_IRQ,
360 static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
361 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
362 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
363 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
366 static struct platform_device kfr2r09_sh_sdhi0_device = {
367 .name = "sh_mobile_sdhi",
368 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
369 .resource = kfr2r09_sh_sdhi0_resources,
371 .platform_data = &sh7724_sdhi0_data,
374 .hwblk_id = HWBLK_SDHI0,
378 static struct platform_device *kfr2r09_devices[] __initdata = {
379 &kfr2r09_nor_flash_device,
380 &kfr2r09_nand_flash_device,
381 &kfr2r09_sh_keysc_device,
382 &kfr2r09_sh_lcdc_device,
385 &kfr2r09_sh_sdhi0_device,
388 #define BSC_CS0BCR 0xfec10004
389 #define BSC_CS0WCR 0xfec10024
390 #define BSC_CS4BCR 0xfec10010
391 #define BSC_CS4WCR 0xfec10030
392 #define PORT_MSELCRB 0xa4050182
395 static int kfr2r09_usb0_gadget_i2c_setup(void)
397 struct i2c_adapter *a;
399 unsigned char buf[2];
402 a = i2c_get_adapter(0);
406 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
412 ret = i2c_transfer(a, &msg, 1);
420 msg.flags = I2C_M_RD;
421 ret = i2c_transfer(a, &msg, 1);
425 buf[1] = buf[0] | (1 << 1);
431 ret = i2c_transfer(a, &msg, 1);
438 static int kfr2r09_serial_i2c_setup(void)
440 struct i2c_adapter *a;
442 unsigned char buf[2];
445 a = i2c_get_adapter(0);
449 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
455 ret = i2c_transfer(a, &msg, 1);
463 msg.flags = I2C_M_RD;
464 ret = i2c_transfer(a, &msg, 1);
468 buf[1] = buf[0] | (1 << 6);
474 ret = i2c_transfer(a, &msg, 1);
481 static int kfr2r09_usb0_gadget_i2c_setup(void)
486 static int kfr2r09_serial_i2c_setup(void)
492 static int kfr2r09_usb0_gadget_setup(void)
496 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
497 gpio_direction_input(GPIO_PTN4);
498 plugged_in = gpio_get_value(GPIO_PTN4);
500 return -ENODEV; /* no cable plugged in */
502 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
503 return -ENODEV; /* unable to configure using i2c */
505 __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
506 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
507 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
508 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
509 msleep(20); /* wait 20ms to let the clock settle */
510 clk_enable(clk_get(NULL, "usb0"));
511 __raw_writew(0x0600, 0xa40501d4);
516 extern char kfr2r09_sdram_enter_start;
517 extern char kfr2r09_sdram_enter_end;
518 extern char kfr2r09_sdram_leave_start;
519 extern char kfr2r09_sdram_leave_end;
521 static int __init kfr2r09_devices_setup(void)
523 /* register board specific self-refresh code */
524 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
526 &kfr2r09_sdram_enter_start,
527 &kfr2r09_sdram_enter_end,
528 &kfr2r09_sdram_leave_start,
529 &kfr2r09_sdram_leave_end);
531 /* enable SCIF1 serial port for YC401 console support */
532 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
533 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
534 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
535 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
536 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
538 /* setup NOR flash at CS0 */
539 __raw_writel(0x36db0400, BSC_CS0BCR);
540 __raw_writel(0x00000500, BSC_CS0WCR);
542 /* setup NAND flash at CS4 */
543 __raw_writel(0x36db0400, BSC_CS4BCR);
544 __raw_writel(0x00000500, BSC_CS4WCR);
546 /* setup KEYSC pins */
547 gpio_request(GPIO_FN_KEYOUT0, NULL);
548 gpio_request(GPIO_FN_KEYOUT1, NULL);
549 gpio_request(GPIO_FN_KEYOUT2, NULL);
550 gpio_request(GPIO_FN_KEYOUT3, NULL);
551 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
552 gpio_request(GPIO_FN_KEYIN0, NULL);
553 gpio_request(GPIO_FN_KEYIN1, NULL);
554 gpio_request(GPIO_FN_KEYIN2, NULL);
555 gpio_request(GPIO_FN_KEYIN3, NULL);
556 gpio_request(GPIO_FN_KEYIN4, NULL);
557 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
559 /* setup LCDC pins for SYS panel */
560 gpio_request(GPIO_FN_LCDD17, NULL);
561 gpio_request(GPIO_FN_LCDD16, NULL);
562 gpio_request(GPIO_FN_LCDD15, NULL);
563 gpio_request(GPIO_FN_LCDD14, NULL);
564 gpio_request(GPIO_FN_LCDD13, NULL);
565 gpio_request(GPIO_FN_LCDD12, NULL);
566 gpio_request(GPIO_FN_LCDD11, NULL);
567 gpio_request(GPIO_FN_LCDD10, NULL);
568 gpio_request(GPIO_FN_LCDD9, NULL);
569 gpio_request(GPIO_FN_LCDD8, NULL);
570 gpio_request(GPIO_FN_LCDD7, NULL);
571 gpio_request(GPIO_FN_LCDD6, NULL);
572 gpio_request(GPIO_FN_LCDD5, NULL);
573 gpio_request(GPIO_FN_LCDD4, NULL);
574 gpio_request(GPIO_FN_LCDD3, NULL);
575 gpio_request(GPIO_FN_LCDD2, NULL);
576 gpio_request(GPIO_FN_LCDD1, NULL);
577 gpio_request(GPIO_FN_LCDD0, NULL);
578 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
579 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
580 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
581 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
582 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
583 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
584 gpio_direction_output(GPIO_PTE4, 1);
585 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
586 gpio_direction_output(GPIO_PTF4, 1);
587 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
588 gpio_direction_output(GPIO_PTU0, 1);
590 /* setup USB function */
591 if (kfr2r09_usb0_gadget_setup() == 0)
592 platform_device_register(&kfr2r09_usb0_gadget_device);
595 gpio_request(GPIO_FN_VIO_CKO, NULL);
596 gpio_request(GPIO_FN_VIO0_CLK, NULL);
597 gpio_request(GPIO_FN_VIO0_VD, NULL);
598 gpio_request(GPIO_FN_VIO0_HD, NULL);
599 gpio_request(GPIO_FN_VIO0_FLD, NULL);
600 gpio_request(GPIO_FN_VIO0_D7, NULL);
601 gpio_request(GPIO_FN_VIO0_D6, NULL);
602 gpio_request(GPIO_FN_VIO0_D5, NULL);
603 gpio_request(GPIO_FN_VIO0_D4, NULL);
604 gpio_request(GPIO_FN_VIO0_D3, NULL);
605 gpio_request(GPIO_FN_VIO0_D2, NULL);
606 gpio_request(GPIO_FN_VIO0_D1, NULL);
607 gpio_request(GPIO_FN_VIO0_D0, NULL);
609 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
611 /* SDHI0 connected to yc304 */
612 gpio_request(GPIO_FN_SDHI0CD, NULL);
613 gpio_request(GPIO_FN_SDHI0D3, NULL);
614 gpio_request(GPIO_FN_SDHI0D2, NULL);
615 gpio_request(GPIO_FN_SDHI0D1, NULL);
616 gpio_request(GPIO_FN_SDHI0D0, NULL);
617 gpio_request(GPIO_FN_SDHI0CMD, NULL);
618 gpio_request(GPIO_FN_SDHI0CLK, NULL);
620 return platform_add_devices(kfr2r09_devices,
621 ARRAY_SIZE(kfr2r09_devices));
623 device_initcall(kfr2r09_devices_setup);
625 /* Return the board specific boot mode pin configuration */
626 static int kfr2r09_mode_pins(void)
628 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
629 * MD3=0: 16-bit Area0 Bus Width
630 * MD5=1: Little Endian
631 * MD8=1: Test Mode Disabled
633 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
639 static struct sh_machine_vector mv_kfr2r09 __initmv = {
640 .mv_name = "kfr2r09",
641 .mv_mode_pins = kfr2r09_mode_pins,