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/platform_data/lv5207lp.h>
25 #include <linux/regulator/fixed.h>
26 #include <linux/regulator/machine.h>
27 #include <linux/usb/r8a66597.h>
28 #include <linux/videodev2.h>
29 #include <linux/sh_intc.h>
30 #include <media/rj54n1cb0c.h>
31 #include <media/soc_camera.h>
32 #include <media/sh_mobile_ceu.h>
33 #include <video/sh_mobile_lcdc.h>
34 #include <asm/suspend.h>
35 #include <asm/clock.h>
36 #include <asm/machvec.h>
38 #include <cpu/sh7724.h>
39 #include <mach/kfr2r09.h>
41 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
46 .size = (4 * 1024 * 1024),
47 .mask_flags = MTD_WRITEABLE, /* Read-only */
51 .offset = MTDPART_OFS_APPEND,
52 .size = MTDPART_SIZ_FULL,
56 static struct physmap_flash_data kfr2r09_nor_flash_data = {
58 .parts = kfr2r09_nor_flash_partitions,
59 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
62 static struct resource kfr2r09_nor_flash_resources[] = {
67 .flags = IORESOURCE_MEM,
71 static struct platform_device kfr2r09_nor_flash_device = {
72 .name = "physmap-flash",
73 .resource = kfr2r09_nor_flash_resources,
74 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
76 .platform_data = &kfr2r09_nor_flash_data,
80 static struct resource kfr2r09_nand_flash_resources[] = {
85 .flags = IORESOURCE_MEM,
89 static struct platform_device kfr2r09_nand_flash_device = {
90 .name = "onenand-flash",
91 .resource = kfr2r09_nand_flash_resources,
92 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
95 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
96 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
100 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
101 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
102 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
103 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
104 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
109 static struct resource kfr2r09_sh_keysc_resources[] = {
114 .flags = IORESOURCE_MEM,
117 .start = evt2irq(0xbe0),
118 .flags = IORESOURCE_IRQ,
122 static struct platform_device kfr2r09_sh_keysc_device = {
124 .id = 0, /* "keysc0" clock */
125 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
126 .resource = kfr2r09_sh_keysc_resources,
128 .platform_data = &kfr2r09_sh_keysc_info,
132 static const struct fb_videomode kfr2r09_lcdc_modes[] = {
134 .name = "TX07D34VM0AAA",
143 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
147 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
148 .clock_source = LCDC_CLK_BUS,
150 .chan = LCDC_CHAN_MAINLCD,
151 .fourcc = V4L2_PIX_FMT_RGB565,
152 .interface_type = SYS18,
154 .flags = LCDC_FLAGS_DWPOL,
155 .lcd_modes = kfr2r09_lcdc_modes,
156 .num_modes = ARRAY_SIZE(kfr2r09_lcdc_modes),
160 .setup_sys = kfr2r09_lcd_setup,
161 .start_transfer = kfr2r09_lcd_start,
164 .ldmt2r = 0x07010904,
165 .ldmt3r = 0x14012914,
166 /* set 1s delay to encourage fsync() */
167 .deferred_io_msec = 1000,
172 static struct resource kfr2r09_sh_lcdc_resources[] = {
175 .start = 0xfe940000, /* P4-only space */
177 .flags = IORESOURCE_MEM,
180 .start = evt2irq(0xf40),
181 .flags = IORESOURCE_IRQ,
185 static struct platform_device kfr2r09_sh_lcdc_device = {
186 .name = "sh_mobile_lcdc_fb",
187 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
188 .resource = kfr2r09_sh_lcdc_resources,
190 .platform_data = &kfr2r09_sh_lcdc_info,
194 static struct lv5207lp_platform_data kfr2r09_backlight_data = {
195 .fbdev = &kfr2r09_sh_lcdc_device.dev,
200 static struct i2c_board_info kfr2r09_backlight_board_info = {
201 I2C_BOARD_INFO("lv5207lp", 0x75),
202 .platform_data = &kfr2r09_backlight_data,
205 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
209 static struct resource kfr2r09_usb0_gadget_resources[] = {
213 .flags = IORESOURCE_MEM,
216 .start = evt2irq(0xa20),
217 .end = evt2irq(0xa20),
218 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
222 static struct platform_device kfr2r09_usb0_gadget_device = {
223 .name = "r8a66597_udc",
226 .dma_mask = NULL, /* not use dma */
227 .coherent_dma_mask = 0xffffffff,
228 .platform_data = &kfr2r09_usb0_gadget_data,
230 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
231 .resource = kfr2r09_usb0_gadget_resources,
234 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
235 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
238 static struct resource kfr2r09_ceu_resources[] = {
243 .flags = IORESOURCE_MEM,
246 .start = evt2irq(0x880),
247 .end = evt2irq(0x880),
248 .flags = IORESOURCE_IRQ,
251 /* place holder for contiguous memory */
255 static struct platform_device kfr2r09_ceu_device = {
256 .name = "sh_mobile_ceu",
257 .id = 0, /* "ceu0" clock */
258 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
259 .resource = kfr2r09_ceu_resources,
261 .platform_data = &sh_mobile_ceu_info,
265 static struct i2c_board_info kfr2r09_i2c_camera = {
266 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
269 static struct clk *camera_clk;
271 /* set VIO_CKO clock to 25MHz */
272 #define CEU_MCLK_FREQ 25000000
274 #define DRVCRB 0xA405018C
275 static int camera_power(struct device *dev, int mode)
282 camera_clk = clk_get(NULL, "video_clk");
283 if (IS_ERR(camera_clk))
284 return PTR_ERR(camera_clk);
286 rate = clk_round_rate(camera_clk, CEU_MCLK_FREQ);
287 ret = clk_set_rate(camera_clk, rate);
293 * use 1.8 V for VccQ_VIO
294 * use 2.85V for VccQ_SR
296 __raw_writew((__raw_readw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
299 ret = gpio_request(GPIO_PTB4, NULL);
302 ret = gpio_request(GPIO_PTB7, NULL);
306 ret = gpio_direction_output(GPIO_PTB4, 1);
308 ret = gpio_direction_output(GPIO_PTB7, 1);
313 ret = clk_enable(camera_clk); /* start VIO_CKO */
322 clk_disable(camera_clk);
324 gpio_set_value(GPIO_PTB7, 0);
326 gpio_set_value(GPIO_PTB4, 0);
327 gpio_free(GPIO_PTB7);
329 gpio_free(GPIO_PTB4);
336 static struct rj54n1_pdata rj54n1_priv = {
337 .mclk_freq = CEU_MCLK_FREQ,
341 static struct soc_camera_link rj54n1_link = {
342 .power = camera_power,
343 .board_info = &kfr2r09_i2c_camera,
345 .priv = &rj54n1_priv,
348 static struct platform_device kfr2r09_camera = {
349 .name = "soc-camera-pdrv",
352 .platform_data = &rj54n1_link,
356 /* Fixed 3.3V regulator to be used by SDHI0 */
357 static struct regulator_consumer_supply fixed3v3_power_consumers[] =
359 REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
360 REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
363 static struct resource kfr2r09_sh_sdhi0_resources[] = {
368 .flags = IORESOURCE_MEM,
371 .start = evt2irq(0xe80),
372 .flags = IORESOURCE_IRQ,
376 static struct tmio_mmc_data sh7724_sdhi0_data = {
377 .chan_priv_tx = (void *)SHDMA_SLAVE_SDHI0_TX,
378 .chan_priv_rx = (void *)SHDMA_SLAVE_SDHI0_RX,
379 .flags = TMIO_MMC_WRPROTECT_DISABLE,
380 .capabilities = MMC_CAP_SDIO_IRQ,
383 static struct platform_device kfr2r09_sh_sdhi0_device = {
384 .name = "sh_mobile_sdhi",
385 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
386 .resource = kfr2r09_sh_sdhi0_resources,
388 .platform_data = &sh7724_sdhi0_data,
392 static struct platform_device *kfr2r09_devices[] __initdata = {
393 &kfr2r09_nor_flash_device,
394 &kfr2r09_nand_flash_device,
395 &kfr2r09_sh_keysc_device,
396 &kfr2r09_sh_lcdc_device,
399 &kfr2r09_sh_sdhi0_device,
402 #define BSC_CS0BCR 0xfec10004
403 #define BSC_CS0WCR 0xfec10024
404 #define BSC_CS4BCR 0xfec10010
405 #define BSC_CS4WCR 0xfec10030
406 #define PORT_MSELCRB 0xa4050182
409 static int kfr2r09_usb0_gadget_i2c_setup(void)
411 struct i2c_adapter *a;
413 unsigned char buf[2];
416 a = i2c_get_adapter(0);
420 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
426 ret = i2c_transfer(a, &msg, 1);
434 msg.flags = I2C_M_RD;
435 ret = i2c_transfer(a, &msg, 1);
439 buf[1] = buf[0] | (1 << 1);
445 ret = i2c_transfer(a, &msg, 1);
452 static int kfr2r09_serial_i2c_setup(void)
454 struct i2c_adapter *a;
456 unsigned char buf[2];
459 a = i2c_get_adapter(0);
463 /* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
469 ret = i2c_transfer(a, &msg, 1);
477 msg.flags = I2C_M_RD;
478 ret = i2c_transfer(a, &msg, 1);
482 buf[1] = buf[0] | (1 << 6);
488 ret = i2c_transfer(a, &msg, 1);
495 static int kfr2r09_usb0_gadget_i2c_setup(void)
500 static int kfr2r09_serial_i2c_setup(void)
506 static int kfr2r09_usb0_gadget_setup(void)
510 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
511 gpio_direction_input(GPIO_PTN4);
512 plugged_in = gpio_get_value(GPIO_PTN4);
514 return -ENODEV; /* no cable plugged in */
516 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
517 return -ENODEV; /* unable to configure using i2c */
519 __raw_writew((__raw_readw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
520 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
521 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
522 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
523 msleep(20); /* wait 20ms to let the clock settle */
524 clk_enable(clk_get(NULL, "usb0"));
525 __raw_writew(0x0600, 0xa40501d4);
530 extern char kfr2r09_sdram_enter_start;
531 extern char kfr2r09_sdram_enter_end;
532 extern char kfr2r09_sdram_leave_start;
533 extern char kfr2r09_sdram_leave_end;
535 static int __init kfr2r09_devices_setup(void)
537 /* register board specific self-refresh code */
538 sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
540 &kfr2r09_sdram_enter_start,
541 &kfr2r09_sdram_enter_end,
542 &kfr2r09_sdram_leave_start,
543 &kfr2r09_sdram_leave_end);
545 regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
546 ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
548 /* enable SCIF1 serial port for YC401 console support */
549 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
550 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
551 kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
552 gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
553 gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
555 /* setup NOR flash at CS0 */
556 __raw_writel(0x36db0400, BSC_CS0BCR);
557 __raw_writel(0x00000500, BSC_CS0WCR);
559 /* setup NAND flash at CS4 */
560 __raw_writel(0x36db0400, BSC_CS4BCR);
561 __raw_writel(0x00000500, BSC_CS4WCR);
563 /* setup KEYSC pins */
564 gpio_request(GPIO_FN_KEYOUT0, NULL);
565 gpio_request(GPIO_FN_KEYOUT1, NULL);
566 gpio_request(GPIO_FN_KEYOUT2, NULL);
567 gpio_request(GPIO_FN_KEYOUT3, NULL);
568 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
569 gpio_request(GPIO_FN_KEYIN0, NULL);
570 gpio_request(GPIO_FN_KEYIN1, NULL);
571 gpio_request(GPIO_FN_KEYIN2, NULL);
572 gpio_request(GPIO_FN_KEYIN3, NULL);
573 gpio_request(GPIO_FN_KEYIN4, NULL);
574 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
576 /* setup LCDC pins for SYS panel */
577 gpio_request(GPIO_FN_LCDD17, NULL);
578 gpio_request(GPIO_FN_LCDD16, NULL);
579 gpio_request(GPIO_FN_LCDD15, NULL);
580 gpio_request(GPIO_FN_LCDD14, NULL);
581 gpio_request(GPIO_FN_LCDD13, NULL);
582 gpio_request(GPIO_FN_LCDD12, NULL);
583 gpio_request(GPIO_FN_LCDD11, NULL);
584 gpio_request(GPIO_FN_LCDD10, NULL);
585 gpio_request(GPIO_FN_LCDD9, NULL);
586 gpio_request(GPIO_FN_LCDD8, NULL);
587 gpio_request(GPIO_FN_LCDD7, NULL);
588 gpio_request(GPIO_FN_LCDD6, NULL);
589 gpio_request(GPIO_FN_LCDD5, NULL);
590 gpio_request(GPIO_FN_LCDD4, NULL);
591 gpio_request(GPIO_FN_LCDD3, NULL);
592 gpio_request(GPIO_FN_LCDD2, NULL);
593 gpio_request(GPIO_FN_LCDD1, NULL);
594 gpio_request(GPIO_FN_LCDD0, NULL);
595 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
596 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
597 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
598 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
599 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
600 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
601 gpio_direction_output(GPIO_PTE4, 1);
602 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
603 gpio_direction_output(GPIO_PTF4, 1);
604 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
605 gpio_direction_output(GPIO_PTU0, 1);
607 /* setup USB function */
608 if (kfr2r09_usb0_gadget_setup() == 0)
609 platform_device_register(&kfr2r09_usb0_gadget_device);
612 gpio_request(GPIO_FN_VIO_CKO, NULL);
613 gpio_request(GPIO_FN_VIO0_CLK, NULL);
614 gpio_request(GPIO_FN_VIO0_VD, NULL);
615 gpio_request(GPIO_FN_VIO0_HD, NULL);
616 gpio_request(GPIO_FN_VIO0_FLD, NULL);
617 gpio_request(GPIO_FN_VIO0_D7, NULL);
618 gpio_request(GPIO_FN_VIO0_D6, NULL);
619 gpio_request(GPIO_FN_VIO0_D5, NULL);
620 gpio_request(GPIO_FN_VIO0_D4, NULL);
621 gpio_request(GPIO_FN_VIO0_D3, NULL);
622 gpio_request(GPIO_FN_VIO0_D2, NULL);
623 gpio_request(GPIO_FN_VIO0_D1, NULL);
624 gpio_request(GPIO_FN_VIO0_D0, NULL);
626 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
628 /* SDHI0 connected to yc304 */
629 gpio_request(GPIO_FN_SDHI0CD, NULL);
630 gpio_request(GPIO_FN_SDHI0D3, NULL);
631 gpio_request(GPIO_FN_SDHI0D2, NULL);
632 gpio_request(GPIO_FN_SDHI0D1, NULL);
633 gpio_request(GPIO_FN_SDHI0D0, NULL);
634 gpio_request(GPIO_FN_SDHI0CMD, NULL);
635 gpio_request(GPIO_FN_SDHI0CLK, NULL);
637 i2c_register_board_info(0, &kfr2r09_backlight_board_info, 1);
639 return platform_add_devices(kfr2r09_devices,
640 ARRAY_SIZE(kfr2r09_devices));
642 device_initcall(kfr2r09_devices_setup);
644 /* Return the board specific boot mode pin configuration */
645 static int kfr2r09_mode_pins(void)
647 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
648 * MD3=0: 16-bit Area0 Bus Width
649 * MD5=1: Little Endian
650 * MD8=1: Test Mode Disabled
652 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
658 static struct sh_machine_vector mv_kfr2r09 __initmv = {
659 .mv_name = "kfr2r09",
660 .mv_mode_pins = kfr2r09_mode_pins,