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/mmc/host.h>
14 #include <linux/mmc/sh_mobile_sdhi.h>
15 #include <linux/mfd/tmio.h>
16 #include <linux/mtd/physmap.h>
17 #include <linux/mtd/onenand.h>
18 #include <linux/delay.h>
19 #include <linux/clk.h>
20 #include <linux/gpio.h>
21 #include <linux/input.h>
22 #include <linux/input/sh_keysc.h>
23 #include <linux/i2c.h>
24 #include <linux/usb/r8a66597.h>
25 #include <linux/videodev2.h>
26 #include <media/rj54n1cb0c.h>
27 #include <media/soc_camera.h>
28 #include <media/sh_mobile_ceu.h>
29 #include <video/sh_mobile_lcdc.h>
30 #include <asm/suspend.h>
31 #include <asm/clock.h>
32 #include <asm/machvec.h>
34 #include <cpu/sh7724.h>
35 #include <mach/kfr2r09.h>
37 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
42 .size = (4 * 1024 * 1024),
43 .mask_flags = MTD_WRITEABLE, /* Read-only */
47 .offset = MTDPART_OFS_APPEND,
48 .size = MTDPART_SIZ_FULL,
52 static struct physmap_flash_data kfr2r09_nor_flash_data = {
54 .parts = kfr2r09_nor_flash_partitions,
55 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
58 static struct resource kfr2r09_nor_flash_resources[] = {
63 .flags = IORESOURCE_MEM,
67 static struct platform_device kfr2r09_nor_flash_device = {
68 .name = "physmap-flash",
69 .resource = kfr2r09_nor_flash_resources,
70 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
72 .platform_data = &kfr2r09_nor_flash_data,
76 static struct resource kfr2r09_nand_flash_resources[] = {
81 .flags = IORESOURCE_MEM,
85 static struct platform_device kfr2r09_nand_flash_device = {
86 .name = "onenand-flash",
87 .resource = kfr2r09_nand_flash_resources,
88 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
91 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
92 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
96 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
97 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
98 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
99 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
100 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
105 static struct resource kfr2r09_sh_keysc_resources[] = {
110 .flags = IORESOURCE_MEM,
114 .flags = IORESOURCE_IRQ,
118 static struct platform_device kfr2r09_sh_keysc_device = {
120 .id = 0, /* "keysc0" clock */
121 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
122 .resource = kfr2r09_sh_keysc_resources,
124 .platform_data = &kfr2r09_sh_keysc_info,
128 static const struct fb_videomode kfr2r09_lcdc_modes[] = {
130 .name = "TX07D34VM0AAA",
139 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
143 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
144 .clock_source = LCDC_CLK_BUS,
146 .chan = LCDC_CHAN_MAINLCD,
147 .fourcc = V4L2_PIX_FMT_RGB565,
148 .interface_type = SYS18,
150 .flags = LCDC_FLAGS_DWPOL,
151 .lcd_modes = kfr2r09_lcdc_modes,
152 .num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
156 .setup_sys = kfr2r09_lcd_setup,
157 .start_transfer = kfr2r09_lcd_start,
158 .display_on = kfr2r09_lcd_on,
159 .display_off = kfr2r09_lcd_off,
162 .ldmt2r = 0x07010904,
163 .ldmt3r = 0x14012914,
164 /* set 1s delay to encourage fsync() */
165 .deferred_io_msec = 1000,
170 static struct resource kfr2r09_sh_lcdc_resources[] = {
173 .start = 0xfe940000, /* P4-only space */
175 .flags = IORESOURCE_MEM,
179 .flags = IORESOURCE_IRQ,
183 static struct platform_device kfr2r09_sh_lcdc_device = {
184 .name = "sh_mobile_lcdc_fb",
185 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
186 .resource = kfr2r09_sh_lcdc_resources,
188 .platform_data = &kfr2r09_sh_lcdc_info,
192 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
196 static struct resource kfr2r09_usb0_gadget_resources[] = {
200 .flags = IORESOURCE_MEM,
205 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
209 static struct platform_device kfr2r09_usb0_gadget_device = {
210 .name = "r8a66597_udc",
213 .dma_mask = NULL, /* not use dma */
214 .coherent_dma_mask = 0xffffffff,
215 .platform_data = &kfr2r09_usb0_gadget_data,
217 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
218 .resource = kfr2r09_usb0_gadget_resources,
221 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
222 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
225 static struct resource kfr2r09_ceu_resources[] = {
230 .flags = IORESOURCE_MEM,
235 .flags = IORESOURCE_IRQ,
238 /* place holder for contiguous memory */
242 static struct platform_device kfr2r09_ceu_device = {
243 .name = "sh_mobile_ceu",
244 .id = 0, /* "ceu0" clock */
245 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
246 .resource = kfr2r09_ceu_resources,
248 .platform_data = &sh_mobile_ceu_info,
252 static struct i2c_board_info kfr2r09_i2c_camera = {
253 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
256 static struct clk *camera_clk;
258 /* set VIO_CKO clock to 25MHz */
259 #define CEU_MCLK_FREQ 25000000
261 #define DRVCRB 0xA405018C
262 static int camera_power(struct device *dev, int mode)
269 camera_clk = clk_get(NULL, "video_clk");
270 if (IS_ERR(camera_clk))
271 return PTR_ERR(camera_clk);
273 rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
274 ret = clk_set_rate(camera_clk, rate);
280 * use 1.8 V for VccQ_VIO
281 * use 2.85V for VccQ_SR
283 __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
286 ret = gpio_request(GPIO_PTB4, NULL);
289 ret = gpio_request(GPIO_PTB7, NULL);
293 ret = gpio_direction_output(GPIO_PTB4, 1);
295 ret = gpio_direction_output(GPIO_PTB7, 1);
300 ret = clk_enable(camera_clk); /* start VIO_CKO */
309 clk_disable(camera_clk);
311 gpio_set_value(GPIO_PTB7, 0);
313 gpio_set_value(GPIO_PTB4, 0);
314 gpio_free(GPIO_PTB7);
316 gpio_free(GPIO_PTB4);
323 static struct rj54n1_pdata rj54n1_priv = {
324 .mclk_freq = CEU_MCLK_FREQ,
328 static struct soc_camera_link rj54n1_link = {
329 .power = camera_power,
330 .board_info = &kfr2r09_i2c_camera,
332 .priv = &rj54n1_priv,
335 static struct platform_device kfr2r09_camera = {
336 .name = "soc-camera-pdrv",
339 .platform_data = &rj54n1_link,
343 static struct resource kfr2r09_sh_sdhi0_resources[] = {
348 .flags = IORESOURCE_MEM,
352 .flags = IORESOURCE_IRQ,
356 static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
357 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
358 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
359 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
360 .tmio_caps = MMC_CAP_SDIO_IRQ,
363 static struct platform_device kfr2r09_sh_sdhi0_device = {
364 .name = "sh_mobile_sdhi",
365 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
366 .resource = kfr2r09_sh_sdhi0_resources,
368 .platform_data = &sh7724_sdhi0_data,
372 static struct platform_device *kfr2r09_devices[] __initdata = {
373 &kfr2r09_nor_flash_device,
374 &kfr2r09_nand_flash_device,
375 &kfr2r09_sh_keysc_device,
376 &kfr2r09_sh_lcdc_device,
379 &kfr2r09_sh_sdhi0_device,
382 #define BSC_CS0BCR 0xfec10004
383 #define BSC_CS0WCR 0xfec10024
384 #define BSC_CS4BCR 0xfec10010
385 #define BSC_CS4WCR 0xfec10030
386 #define PORT_MSELCRB 0xa4050182
389 static int kfr2r09_usb0_gadget_i2c_setup(void)
391 struct i2c_adapter *a;
393 unsigned char buf[2];
396 a = i2c_get_adapter(0);
400 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
406 ret = i2c_transfer(a, &msg, 1);
414 msg.flags = I2C_M_RD;
415 ret = i2c_transfer(a, &msg, 1);
419 buf[1] = buf[0] | (1 << 1);
425 ret = i2c_transfer(a, &msg, 1);
432 static int kfr2r09_serial_i2c_setup(void)
434 struct i2c_adapter *a;
436 unsigned char buf[2];
439 a = i2c_get_adapter(0);
443 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
449 ret = i2c_transfer(a, &msg, 1);
457 msg.flags = I2C_M_RD;
458 ret = i2c_transfer(a, &msg, 1);
462 buf[1] = buf[0] | (1 << 6);
468 ret = i2c_transfer(a, &msg, 1);
475 static int kfr2r09_usb0_gadget_i2c_setup(void)
480 static int kfr2r09_serial_i2c_setup(void)
486 static int kfr2r09_usb0_gadget_setup(void)
490 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
491 gpio_direction_input(GPIO_PTN4);
492 plugged_in = gpio_get_value(GPIO_PTN4);
494 return -ENODEV; /* no cable plugged in */
496 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
497 return -ENODEV; /* unable to configure using i2c */
499 __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
500 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
501 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
502 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
503 msleep(20); /* wait 20ms to let the clock settle */
504 clk_enable(clk_get(NULL, "usb0"));
505 __raw_writew(0x0600, 0xa40501d4);
510 extern char kfr2r09_sdram_enter_start;
511 extern char kfr2r09_sdram_enter_end;
512 extern char kfr2r09_sdram_leave_start;
513 extern char kfr2r09_sdram_leave_end;
515 static int __init kfr2r09_devices_setup(void)
517 /* register board specific self-refresh code */
518 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
520 &kfr2r09_sdram_enter_start,
521 &kfr2r09_sdram_enter_end,
522 &kfr2r09_sdram_leave_start,
523 &kfr2r09_sdram_leave_end);
525 /* enable SCIF1 serial port for YC401 console support */
526 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
527 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
528 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
529 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
530 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
532 /* setup NOR flash at CS0 */
533 __raw_writel(0x36db0400, BSC_CS0BCR);
534 __raw_writel(0x00000500, BSC_CS0WCR);
536 /* setup NAND flash at CS4 */
537 __raw_writel(0x36db0400, BSC_CS4BCR);
538 __raw_writel(0x00000500, BSC_CS4WCR);
540 /* setup KEYSC pins */
541 gpio_request(GPIO_FN_KEYOUT0, NULL);
542 gpio_request(GPIO_FN_KEYOUT1, NULL);
543 gpio_request(GPIO_FN_KEYOUT2, NULL);
544 gpio_request(GPIO_FN_KEYOUT3, NULL);
545 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
546 gpio_request(GPIO_FN_KEYIN0, NULL);
547 gpio_request(GPIO_FN_KEYIN1, NULL);
548 gpio_request(GPIO_FN_KEYIN2, NULL);
549 gpio_request(GPIO_FN_KEYIN3, NULL);
550 gpio_request(GPIO_FN_KEYIN4, NULL);
551 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
553 /* setup LCDC pins for SYS panel */
554 gpio_request(GPIO_FN_LCDD17, NULL);
555 gpio_request(GPIO_FN_LCDD16, NULL);
556 gpio_request(GPIO_FN_LCDD15, NULL);
557 gpio_request(GPIO_FN_LCDD14, NULL);
558 gpio_request(GPIO_FN_LCDD13, NULL);
559 gpio_request(GPIO_FN_LCDD12, NULL);
560 gpio_request(GPIO_FN_LCDD11, NULL);
561 gpio_request(GPIO_FN_LCDD10, NULL);
562 gpio_request(GPIO_FN_LCDD9, NULL);
563 gpio_request(GPIO_FN_LCDD8, NULL);
564 gpio_request(GPIO_FN_LCDD7, NULL);
565 gpio_request(GPIO_FN_LCDD6, NULL);
566 gpio_request(GPIO_FN_LCDD5, NULL);
567 gpio_request(GPIO_FN_LCDD4, NULL);
568 gpio_request(GPIO_FN_LCDD3, NULL);
569 gpio_request(GPIO_FN_LCDD2, NULL);
570 gpio_request(GPIO_FN_LCDD1, NULL);
571 gpio_request(GPIO_FN_LCDD0, NULL);
572 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
573 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
574 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
575 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
576 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
577 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
578 gpio_direction_output(GPIO_PTE4, 1);
579 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
580 gpio_direction_output(GPIO_PTF4, 1);
581 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
582 gpio_direction_output(GPIO_PTU0, 1);
584 /* setup USB function */
585 if (kfr2r09_usb0_gadget_setup() == 0)
586 platform_device_register(&kfr2r09_usb0_gadget_device);
589 gpio_request(GPIO_FN_VIO_CKO, NULL);
590 gpio_request(GPIO_FN_VIO0_CLK, NULL);
591 gpio_request(GPIO_FN_VIO0_VD, NULL);
592 gpio_request(GPIO_FN_VIO0_HD, NULL);
593 gpio_request(GPIO_FN_VIO0_FLD, NULL);
594 gpio_request(GPIO_FN_VIO0_D7, NULL);
595 gpio_request(GPIO_FN_VIO0_D6, NULL);
596 gpio_request(GPIO_FN_VIO0_D5, NULL);
597 gpio_request(GPIO_FN_VIO0_D4, NULL);
598 gpio_request(GPIO_FN_VIO0_D3, NULL);
599 gpio_request(GPIO_FN_VIO0_D2, NULL);
600 gpio_request(GPIO_FN_VIO0_D1, NULL);
601 gpio_request(GPIO_FN_VIO0_D0, NULL);
603 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
605 /* SDHI0 connected to yc304 */
606 gpio_request(GPIO_FN_SDHI0CD, NULL);
607 gpio_request(GPIO_FN_SDHI0D3, NULL);
608 gpio_request(GPIO_FN_SDHI0D2, NULL);
609 gpio_request(GPIO_FN_SDHI0D1, NULL);
610 gpio_request(GPIO_FN_SDHI0D0, NULL);
611 gpio_request(GPIO_FN_SDHI0CMD, NULL);
612 gpio_request(GPIO_FN_SDHI0CLK, NULL);
614 return platform_add_devices(kfr2r09_devices,
615 ARRAY_SIZE(kfr2r09_devices));
617 device_initcall(kfr2r09_devices_setup);
619 /* Return the board specific boot mode pin configuration */
620 static int kfr2r09_mode_pins(void)
622 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
623 * MD3=0: 16-bit Area0 Bus Width
624 * MD5=1: Little Endian
625 * MD8=1: Test Mode Disabled
627 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
633 static struct sh_machine_vector mv_kfr2r09 __initmv = {
634 .mv_name = "kfr2r09",
635 .mv_mode_pins = kfr2r09_mode_pins,