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 <linux/sh_intc.h>
27 #include <media/rj54n1cb0c.h>
28 #include <media/soc_camera.h>
29 #include <media/sh_mobile_ceu.h>
30 #include <video/sh_mobile_lcdc.h>
31 #include <asm/suspend.h>
32 #include <asm/clock.h>
33 #include <asm/machvec.h>
35 #include <cpu/sh7724.h>
36 #include <mach/kfr2r09.h>
38 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
43 .size = (4 * 1024 * 1024),
44 .mask_flags = MTD_WRITEABLE, /* Read-only */
48 .offset = MTDPART_OFS_APPEND,
49 .size = MTDPART_SIZ_FULL,
53 static struct physmap_flash_data kfr2r09_nor_flash_data = {
55 .parts = kfr2r09_nor_flash_partitions,
56 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
59 static struct resource kfr2r09_nor_flash_resources[] = {
64 .flags = IORESOURCE_MEM,
68 static struct platform_device kfr2r09_nor_flash_device = {
69 .name = "physmap-flash",
70 .resource = kfr2r09_nor_flash_resources,
71 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
73 .platform_data = &kfr2r09_nor_flash_data,
77 static struct resource kfr2r09_nand_flash_resources[] = {
82 .flags = IORESOURCE_MEM,
86 static struct platform_device kfr2r09_nand_flash_device = {
87 .name = "onenand-flash",
88 .resource = kfr2r09_nand_flash_resources,
89 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
92 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
93 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
97 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
98 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
99 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
100 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
101 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
106 static struct resource kfr2r09_sh_keysc_resources[] = {
111 .flags = IORESOURCE_MEM,
114 .start = evt2irq(0xbe0),
115 .flags = IORESOURCE_IRQ,
119 static struct platform_device kfr2r09_sh_keysc_device = {
121 .id = 0, /* "keysc0" clock */
122 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
123 .resource = kfr2r09_sh_keysc_resources,
125 .platform_data = &kfr2r09_sh_keysc_info,
129 static const 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,
148 .fourcc = V4L2_PIX_FMT_RGB565,
149 .interface_type = SYS18,
151 .flags = LCDC_FLAGS_DWPOL,
152 .lcd_modes = kfr2r09_lcdc_modes,
153 .num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
157 .setup_sys = kfr2r09_lcd_setup,
158 .start_transfer = kfr2r09_lcd_start,
159 .display_on = kfr2r09_lcd_on,
160 .display_off = kfr2r09_lcd_off,
163 .ldmt2r = 0x07010904,
164 .ldmt3r = 0x14012914,
165 /* set 1s delay to encourage fsync() */
166 .deferred_io_msec = 1000,
171 static struct resource kfr2r09_sh_lcdc_resources[] = {
174 .start = 0xfe940000, /* P4-only space */
176 .flags = IORESOURCE_MEM,
179 .start = evt2irq(0xf40),
180 .flags = IORESOURCE_IRQ,
184 static struct platform_device kfr2r09_sh_lcdc_device = {
185 .name = "sh_mobile_lcdc_fb",
186 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
187 .resource = kfr2r09_sh_lcdc_resources,
189 .platform_data = &kfr2r09_sh_lcdc_info,
193 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
197 static struct resource kfr2r09_usb0_gadget_resources[] = {
201 .flags = IORESOURCE_MEM,
204 .start = evt2irq(0xa20),
205 .end = evt2irq(0xa20),
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,
234 .start = evt2irq(0x880),
235 .end = evt2irq(0x880),
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,
253 static struct i2c_board_info kfr2r09_i2c_camera = {
254 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
257 static struct clk *camera_clk;
259 /* set VIO_CKO clock to 25MHz */
260 #define CEU_MCLK_FREQ 25000000
262 #define DRVCRB 0xA405018C
263 static int camera_power(struct device *dev, int mode)
270 camera_clk = clk_get(NULL, "video_clk");
271 if (IS_ERR(camera_clk))
272 return PTR_ERR(camera_clk);
274 rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
275 ret = clk_set_rate(camera_clk, rate);
281 * use 1.8 V for VccQ_VIO
282 * use 2.85V for VccQ_SR
284 __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
287 ret = gpio_request(GPIO_PTB4, NULL);
290 ret = gpio_request(GPIO_PTB7, NULL);
294 ret = gpio_direction_output(GPIO_PTB4, 1);
296 ret = gpio_direction_output(GPIO_PTB7, 1);
301 ret = clk_enable(camera_clk); /* start VIO_CKO */
310 clk_disable(camera_clk);
312 gpio_set_value(GPIO_PTB7, 0);
314 gpio_set_value(GPIO_PTB4, 0);
315 gpio_free(GPIO_PTB7);
317 gpio_free(GPIO_PTB4);
324 static struct rj54n1_pdata rj54n1_priv = {
325 .mclk_freq = CEU_MCLK_FREQ,
329 static struct soc_camera_link rj54n1_link = {
330 .power = camera_power,
331 .board_info = &kfr2r09_i2c_camera,
333 .priv = &rj54n1_priv,
336 static struct platform_device kfr2r09_camera = {
337 .name = "soc-camera-pdrv",
340 .platform_data = &rj54n1_link,
344 static struct resource kfr2r09_sh_sdhi0_resources[] = {
349 .flags = IORESOURCE_MEM,
352 .start = evt2irq(0xe80),
353 .flags = IORESOURCE_IRQ,
357 static struct sh_mobile_sdhi_info sh7724_sdhi0_data = {
358 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
359 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
360 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
361 .tmio_caps = MMC_CAP_SDIO_IRQ,
364 static struct platform_device kfr2r09_sh_sdhi0_device = {
365 .name = "sh_mobile_sdhi",
366 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
367 .resource = kfr2r09_sh_sdhi0_resources,
369 .platform_data = &sh7724_sdhi0_data,
373 static struct platform_device *kfr2r09_devices[] __initdata = {
374 &kfr2r09_nor_flash_device,
375 &kfr2r09_nand_flash_device,
376 &kfr2r09_sh_keysc_device,
377 &kfr2r09_sh_lcdc_device,
380 &kfr2r09_sh_sdhi0_device,
383 #define BSC_CS0BCR 0xfec10004
384 #define BSC_CS0WCR 0xfec10024
385 #define BSC_CS4BCR 0xfec10010
386 #define BSC_CS4WCR 0xfec10030
387 #define PORT_MSELCRB 0xa4050182
390 static int kfr2r09_usb0_gadget_i2c_setup(void)
392 struct i2c_adapter *a;
394 unsigned char buf[2];
397 a = i2c_get_adapter(0);
401 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
407 ret = i2c_transfer(a, &msg, 1);
415 msg.flags = I2C_M_RD;
416 ret = i2c_transfer(a, &msg, 1);
420 buf[1] = buf[0] | (1 << 1);
426 ret = i2c_transfer(a, &msg, 1);
433 static int kfr2r09_serial_i2c_setup(void)
435 struct i2c_adapter *a;
437 unsigned char buf[2];
440 a = i2c_get_adapter(0);
444 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
450 ret = i2c_transfer(a, &msg, 1);
458 msg.flags = I2C_M_RD;
459 ret = i2c_transfer(a, &msg, 1);
463 buf[1] = buf[0] | (1 << 6);
469 ret = i2c_transfer(a, &msg, 1);
476 static int kfr2r09_usb0_gadget_i2c_setup(void)
481 static int kfr2r09_serial_i2c_setup(void)
487 static int kfr2r09_usb0_gadget_setup(void)
491 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
492 gpio_direction_input(GPIO_PTN4);
493 plugged_in = gpio_get_value(GPIO_PTN4);
495 return -ENODEV; /* no cable plugged in */
497 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
498 return -ENODEV; /* unable to configure using i2c */
500 __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
501 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
502 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
503 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
504 msleep(20); /* wait 20ms to let the clock settle */
505 clk_enable(clk_get(NULL, "usb0"));
506 __raw_writew(0x0600, 0xa40501d4);
511 extern char kfr2r09_sdram_enter_start;
512 extern char kfr2r09_sdram_enter_end;
513 extern char kfr2r09_sdram_leave_start;
514 extern char kfr2r09_sdram_leave_end;
516 static int __init kfr2r09_devices_setup(void)
518 /* register board specific self-refresh code */
519 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
521 &kfr2r09_sdram_enter_start,
522 &kfr2r09_sdram_enter_end,
523 &kfr2r09_sdram_leave_start,
524 &kfr2r09_sdram_leave_end);
526 /* enable SCIF1 serial port for YC401 console support */
527 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
528 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
529 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
530 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
531 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
533 /* setup NOR flash at CS0 */
534 __raw_writel(0x36db0400, BSC_CS0BCR);
535 __raw_writel(0x00000500, BSC_CS0WCR);
537 /* setup NAND flash at CS4 */
538 __raw_writel(0x36db0400, BSC_CS4BCR);
539 __raw_writel(0x00000500, BSC_CS4WCR);
541 /* setup KEYSC pins */
542 gpio_request(GPIO_FN_KEYOUT0, NULL);
543 gpio_request(GPIO_FN_KEYOUT1, NULL);
544 gpio_request(GPIO_FN_KEYOUT2, NULL);
545 gpio_request(GPIO_FN_KEYOUT3, NULL);
546 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
547 gpio_request(GPIO_FN_KEYIN0, NULL);
548 gpio_request(GPIO_FN_KEYIN1, NULL);
549 gpio_request(GPIO_FN_KEYIN2, NULL);
550 gpio_request(GPIO_FN_KEYIN3, NULL);
551 gpio_request(GPIO_FN_KEYIN4, NULL);
552 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
554 /* setup LCDC pins for SYS panel */
555 gpio_request(GPIO_FN_LCDD17, NULL);
556 gpio_request(GPIO_FN_LCDD16, NULL);
557 gpio_request(GPIO_FN_LCDD15, NULL);
558 gpio_request(GPIO_FN_LCDD14, NULL);
559 gpio_request(GPIO_FN_LCDD13, NULL);
560 gpio_request(GPIO_FN_LCDD12, NULL);
561 gpio_request(GPIO_FN_LCDD11, NULL);
562 gpio_request(GPIO_FN_LCDD10, NULL);
563 gpio_request(GPIO_FN_LCDD9, NULL);
564 gpio_request(GPIO_FN_LCDD8, NULL);
565 gpio_request(GPIO_FN_LCDD7, NULL);
566 gpio_request(GPIO_FN_LCDD6, NULL);
567 gpio_request(GPIO_FN_LCDD5, NULL);
568 gpio_request(GPIO_FN_LCDD4, NULL);
569 gpio_request(GPIO_FN_LCDD3, NULL);
570 gpio_request(GPIO_FN_LCDD2, NULL);
571 gpio_request(GPIO_FN_LCDD1, NULL);
572 gpio_request(GPIO_FN_LCDD0, NULL);
573 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
574 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
575 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
576 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
577 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
578 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
579 gpio_direction_output(GPIO_PTE4, 1);
580 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
581 gpio_direction_output(GPIO_PTF4, 1);
582 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
583 gpio_direction_output(GPIO_PTU0, 1);
585 /* setup USB function */
586 if (kfr2r09_usb0_gadget_setup() == 0)
587 platform_device_register(&kfr2r09_usb0_gadget_device);
590 gpio_request(GPIO_FN_VIO_CKO, NULL);
591 gpio_request(GPIO_FN_VIO0_CLK, NULL);
592 gpio_request(GPIO_FN_VIO0_VD, NULL);
593 gpio_request(GPIO_FN_VIO0_HD, NULL);
594 gpio_request(GPIO_FN_VIO0_FLD, NULL);
595 gpio_request(GPIO_FN_VIO0_D7, NULL);
596 gpio_request(GPIO_FN_VIO0_D6, NULL);
597 gpio_request(GPIO_FN_VIO0_D5, NULL);
598 gpio_request(GPIO_FN_VIO0_D4, NULL);
599 gpio_request(GPIO_FN_VIO0_D3, NULL);
600 gpio_request(GPIO_FN_VIO0_D2, NULL);
601 gpio_request(GPIO_FN_VIO0_D1, NULL);
602 gpio_request(GPIO_FN_VIO0_D0, NULL);
604 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
606 /* SDHI0 connected to yc304 */
607 gpio_request(GPIO_FN_SDHI0CD, NULL);
608 gpio_request(GPIO_FN_SDHI0D3, NULL);
609 gpio_request(GPIO_FN_SDHI0D2, NULL);
610 gpio_request(GPIO_FN_SDHI0D1, NULL);
611 gpio_request(GPIO_FN_SDHI0D0, NULL);
612 gpio_request(GPIO_FN_SDHI0CMD, NULL);
613 gpio_request(GPIO_FN_SDHI0CLK, NULL);
615 return platform_add_devices(kfr2r09_devices,
616 ARRAY_SIZE(kfr2r09_devices));
618 device_initcall(kfr2r09_devices_setup);
620 /* Return the board specific boot mode pin configuration */
621 static int kfr2r09_mode_pins(void)
623 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
624 * MD3=0: 16-bit Area0 Bus Width
625 * MD5=1: Little Endian
626 * MD8=1: Test Mode Disabled
628 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
634 static struct sh_machine_vector mv_kfr2r09 __initmv = {
635 .mv_name = "kfr2r09",
636 .mv_mode_pins = kfr2r09_mode_pins,