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/i2c.h>
20 #include <linux/usb/r8a66597.h>
21 #include <media/soc_camera.h>
22 #include <media/sh_mobile_ceu.h>
23 #include <video/sh_mobile_lcdc.h>
24 #include <asm/clock.h>
25 #include <asm/machvec.h>
27 #include <asm/sh_keysc.h>
28 #include <cpu/sh7724.h>
29 #include <mach/kfr2r09.h>
31 static struct mtd_partition kfr2r09_nor_flash_partitions[] =
36 .size = (4 * 1024 * 1024),
37 .mask_flags = MTD_WRITEABLE, /* Read-only */
41 .offset = MTDPART_OFS_APPEND,
42 .size = MTDPART_SIZ_FULL,
46 static struct physmap_flash_data kfr2r09_nor_flash_data = {
48 .parts = kfr2r09_nor_flash_partitions,
49 .nr_parts = ARRAY_SIZE(kfr2r09_nor_flash_partitions),
52 static struct resource kfr2r09_nor_flash_resources[] = {
57 .flags = IORESOURCE_MEM,
61 static struct platform_device kfr2r09_nor_flash_device = {
62 .name = "physmap-flash",
63 .resource = kfr2r09_nor_flash_resources,
64 .num_resources = ARRAY_SIZE(kfr2r09_nor_flash_resources),
66 .platform_data = &kfr2r09_nor_flash_data,
70 static struct resource kfr2r09_nand_flash_resources[] = {
75 .flags = IORESOURCE_MEM,
79 static struct platform_device kfr2r09_nand_flash_device = {
80 .name = "onenand-flash",
81 .resource = kfr2r09_nand_flash_resources,
82 .num_resources = ARRAY_SIZE(kfr2r09_nand_flash_resources),
85 static struct sh_keysc_info kfr2r09_sh_keysc_info = {
86 .mode = SH_KEYSC_MODE_1, /* KEYOUT0->4, KEYIN0->4 */
90 KEY_PHONE, KEY_CLEAR, KEY_MAIL, KEY_WWW, KEY_ENTER,
91 KEY_1, KEY_2, KEY_3, 0, KEY_UP,
92 KEY_4, KEY_5, KEY_6, 0, KEY_LEFT,
93 KEY_7, KEY_8, KEY_9, KEY_PROG1, KEY_RIGHT,
94 KEY_S, KEY_0, KEY_P, KEY_PROG2, KEY_DOWN,
99 static struct resource kfr2r09_sh_keysc_resources[] = {
104 .flags = IORESOURCE_MEM,
108 .flags = IORESOURCE_IRQ,
112 static struct platform_device kfr2r09_sh_keysc_device = {
114 .id = 0, /* "keysc0" clock */
115 .num_resources = ARRAY_SIZE(kfr2r09_sh_keysc_resources),
116 .resource = kfr2r09_sh_keysc_resources,
118 .platform_data = &kfr2r09_sh_keysc_info,
121 .hwblk_id = HWBLK_KEYSC,
125 static struct sh_mobile_lcdc_info kfr2r09_sh_lcdc_info = {
126 .clock_source = LCDC_CLK_BUS,
128 .chan = LCDC_CHAN_MAINLCD,
130 .interface_type = SYS18,
132 .flags = LCDC_FLAGS_DWPOL,
134 .name = "TX07D34VM0AAA",
143 .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
150 .setup_sys = kfr2r09_lcd_setup,
151 .display_on = kfr2r09_lcd_on,
152 .display_off = kfr2r09_lcd_off,
155 .ldmt2r = 0x07010904,
156 .ldmt3r = 0x14012914,
157 /* set 1s delay to encourage fsync() */
158 .deferred_io_msec = 1000,
163 static struct resource kfr2r09_sh_lcdc_resources[] = {
166 .start = 0xfe940000, /* P4-only space */
168 .flags = IORESOURCE_MEM,
172 .flags = IORESOURCE_IRQ,
176 static struct platform_device kfr2r09_sh_lcdc_device = {
177 .name = "sh_mobile_lcdc_fb",
178 .num_resources = ARRAY_SIZE(kfr2r09_sh_lcdc_resources),
179 .resource = kfr2r09_sh_lcdc_resources,
181 .platform_data = &kfr2r09_sh_lcdc_info,
184 .hwblk_id = HWBLK_LCDC,
188 static struct r8a66597_platdata kfr2r09_usb0_gadget_data = {
192 static struct resource kfr2r09_usb0_gadget_resources[] = {
196 .flags = IORESOURCE_MEM,
201 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_LOW,
205 static struct platform_device kfr2r09_usb0_gadget_device = {
206 .name = "r8a66597_udc",
209 .dma_mask = NULL, /* not use dma */
210 .coherent_dma_mask = 0xffffffff,
211 .platform_data = &kfr2r09_usb0_gadget_data,
213 .num_resources = ARRAY_SIZE(kfr2r09_usb0_gadget_resources),
214 .resource = kfr2r09_usb0_gadget_resources,
217 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
218 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
221 static struct resource kfr2r09_ceu_resources[] = {
226 .flags = IORESOURCE_MEM,
231 .flags = IORESOURCE_IRQ,
234 /* place holder for contiguous memory */
238 static struct platform_device kfr2r09_ceu_device = {
239 .name = "sh_mobile_ceu",
240 .id = 0, /* "ceu0" clock */
241 .num_resources = ARRAY_SIZE(kfr2r09_ceu_resources),
242 .resource = kfr2r09_ceu_resources,
244 .platform_data = &sh_mobile_ceu_info,
247 .hwblk_id = HWBLK_CEU0,
251 static struct i2c_board_info kfr2r09_i2c_camera = {
252 I2C_BOARD_INFO("rj54n1cb0c", 0x50),
255 static struct clk *camera_clk;
257 #define DRVCRB 0xA405018C
258 static int camera_power(struct device *dev, int mode)
265 camera_clk = clk_get(NULL, "video_clk");
266 if (IS_ERR(camera_clk))
267 return PTR_ERR(camera_clk);
269 /* set VIO_CKO clock to 25MHz */
270 rate = clk_round_rate(camera_clk, 25000000);
271 ret = clk_set_rate(camera_clk, rate);
277 * use 1.8 V for VccQ_VIO
278 * use 2.85V for VccQ_SR
280 ctrl_outw((ctrl_inw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
283 ret = gpio_request(GPIO_PTB4, NULL);
286 ret = gpio_request(GPIO_PTB7, NULL);
290 ret = gpio_direction_output(GPIO_PTB4, 1);
292 ret = gpio_direction_output(GPIO_PTB7, 1);
297 ret = clk_enable(camera_clk); /* start VIO_CKO */
306 clk_disable(camera_clk);
308 gpio_set_value(GPIO_PTB7, 0);
310 gpio_set_value(GPIO_PTB4, 0);
311 gpio_free(GPIO_PTB7);
313 gpio_free(GPIO_PTB4);
320 static struct soc_camera_link rj54n1_link = {
321 .power = camera_power,
322 .board_info = &kfr2r09_i2c_camera,
324 .module_name = "rj54n1cb0c",
327 static struct platform_device kfr2r09_camera = {
328 .name = "soc-camera-pdrv",
331 .platform_data = &rj54n1_link,
335 static struct resource kfr2r09_sh_sdhi0_resources[] = {
340 .flags = IORESOURCE_MEM,
344 .flags = IORESOURCE_IRQ,
348 static struct platform_device kfr2r09_sh_sdhi0_device = {
349 .name = "sh_mobile_sdhi",
350 .num_resources = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
351 .resource = kfr2r09_sh_sdhi0_resources,
353 .hwblk_id = HWBLK_SDHI0,
357 static struct platform_device *kfr2r09_devices[] __initdata = {
358 &kfr2r09_nor_flash_device,
359 &kfr2r09_nand_flash_device,
360 &kfr2r09_sh_keysc_device,
361 &kfr2r09_sh_lcdc_device,
364 &kfr2r09_sh_sdhi0_device,
367 #define BSC_CS0BCR 0xfec10004
368 #define BSC_CS0WCR 0xfec10024
369 #define BSC_CS4BCR 0xfec10010
370 #define BSC_CS4WCR 0xfec10030
371 #define PORT_MSELCRB 0xa4050182
374 static int kfr2r09_usb0_gadget_i2c_setup(void)
376 struct i2c_adapter *a;
378 unsigned char buf[2];
381 a = i2c_get_adapter(0);
385 /* set bit 1 (the second bit) of chip at 0x09, register 0x13 */
391 ret = i2c_transfer(a, &msg, 1);
399 msg.flags = I2C_M_RD;
400 ret = i2c_transfer(a, &msg, 1);
404 buf[1] = buf[0] | (1 << 1);
410 ret = i2c_transfer(a, &msg, 1);
417 static int kfr2r09_usb0_gadget_i2c_setup(void)
423 static int kfr2r09_usb0_gadget_setup(void)
427 gpio_request(GPIO_PTN4, NULL); /* USB_DET */
428 gpio_direction_input(GPIO_PTN4);
429 plugged_in = gpio_get_value(GPIO_PTN4);
431 return -ENODEV; /* no cable plugged in */
433 if (kfr2r09_usb0_gadget_i2c_setup() != 0)
434 return -ENODEV; /* unable to configure using i2c */
436 ctrl_outw((ctrl_inw(PORT_MSELCRB) & ~0xc000) | 0x8000, PORT_MSELCRB);
437 gpio_request(GPIO_FN_PDSTATUS, NULL); /* R-standby disables USB clock */
438 gpio_request(GPIO_PTV6, NULL); /* USBCLK_ON */
439 gpio_direction_output(GPIO_PTV6, 1); /* USBCLK_ON = H */
440 msleep(20); /* wait 20ms to let the clock settle */
441 clk_enable(clk_get(NULL, "usb0"));
442 ctrl_outw(0x0600, 0xa40501d4);
447 static int __init kfr2r09_devices_setup(void)
449 /* enable SCIF1 serial port for YC401 console support */
450 gpio_request(GPIO_FN_SCIF1_RXD, NULL);
451 gpio_request(GPIO_FN_SCIF1_TXD, NULL);
453 /* setup NOR flash at CS0 */
454 ctrl_outl(0x36db0400, BSC_CS0BCR);
455 ctrl_outl(0x00000500, BSC_CS0WCR);
457 /* setup NAND flash at CS4 */
458 ctrl_outl(0x36db0400, BSC_CS4BCR);
459 ctrl_outl(0x00000500, BSC_CS4WCR);
461 /* setup KEYSC pins */
462 gpio_request(GPIO_FN_KEYOUT0, NULL);
463 gpio_request(GPIO_FN_KEYOUT1, NULL);
464 gpio_request(GPIO_FN_KEYOUT2, NULL);
465 gpio_request(GPIO_FN_KEYOUT3, NULL);
466 gpio_request(GPIO_FN_KEYOUT4_IN6, NULL);
467 gpio_request(GPIO_FN_KEYIN0, NULL);
468 gpio_request(GPIO_FN_KEYIN1, NULL);
469 gpio_request(GPIO_FN_KEYIN2, NULL);
470 gpio_request(GPIO_FN_KEYIN3, NULL);
471 gpio_request(GPIO_FN_KEYIN4, NULL);
472 gpio_request(GPIO_FN_KEYOUT5_IN5, NULL);
474 /* setup LCDC pins for SYS panel */
475 gpio_request(GPIO_FN_LCDD17, NULL);
476 gpio_request(GPIO_FN_LCDD16, NULL);
477 gpio_request(GPIO_FN_LCDD15, NULL);
478 gpio_request(GPIO_FN_LCDD14, NULL);
479 gpio_request(GPIO_FN_LCDD13, NULL);
480 gpio_request(GPIO_FN_LCDD12, NULL);
481 gpio_request(GPIO_FN_LCDD11, NULL);
482 gpio_request(GPIO_FN_LCDD10, NULL);
483 gpio_request(GPIO_FN_LCDD9, NULL);
484 gpio_request(GPIO_FN_LCDD8, NULL);
485 gpio_request(GPIO_FN_LCDD7, NULL);
486 gpio_request(GPIO_FN_LCDD6, NULL);
487 gpio_request(GPIO_FN_LCDD5, NULL);
488 gpio_request(GPIO_FN_LCDD4, NULL);
489 gpio_request(GPIO_FN_LCDD3, NULL);
490 gpio_request(GPIO_FN_LCDD2, NULL);
491 gpio_request(GPIO_FN_LCDD1, NULL);
492 gpio_request(GPIO_FN_LCDD0, NULL);
493 gpio_request(GPIO_FN_LCDRS, NULL); /* LCD_RS */
494 gpio_request(GPIO_FN_LCDCS, NULL); /* LCD_CS/ */
495 gpio_request(GPIO_FN_LCDRD, NULL); /* LCD_RD/ */
496 gpio_request(GPIO_FN_LCDWR, NULL); /* LCD_WR/ */
497 gpio_request(GPIO_FN_LCDVSYN, NULL); /* LCD_VSYNC */
498 gpio_request(GPIO_PTE4, NULL); /* LCD_RST/ */
499 gpio_direction_output(GPIO_PTE4, 1);
500 gpio_request(GPIO_PTF4, NULL); /* PROTECT/ */
501 gpio_direction_output(GPIO_PTF4, 1);
502 gpio_request(GPIO_PTU0, NULL); /* LEDSTDBY/ */
503 gpio_direction_output(GPIO_PTU0, 1);
505 /* setup USB function */
506 if (kfr2r09_usb0_gadget_setup() == 0)
507 platform_device_register(&kfr2r09_usb0_gadget_device);
510 gpio_request(GPIO_FN_VIO_CKO, NULL);
511 gpio_request(GPIO_FN_VIO0_CLK, NULL);
512 gpio_request(GPIO_FN_VIO0_VD, NULL);
513 gpio_request(GPIO_FN_VIO0_HD, NULL);
514 gpio_request(GPIO_FN_VIO0_FLD, NULL);
515 gpio_request(GPIO_FN_VIO0_D7, NULL);
516 gpio_request(GPIO_FN_VIO0_D6, NULL);
517 gpio_request(GPIO_FN_VIO0_D5, NULL);
518 gpio_request(GPIO_FN_VIO0_D4, NULL);
519 gpio_request(GPIO_FN_VIO0_D3, NULL);
520 gpio_request(GPIO_FN_VIO0_D2, NULL);
521 gpio_request(GPIO_FN_VIO0_D1, NULL);
522 gpio_request(GPIO_FN_VIO0_D0, NULL);
524 platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
526 /* SDHI0 connected to yc304 */
527 gpio_request(GPIO_FN_SDHI0CD, NULL);
528 gpio_request(GPIO_FN_SDHI0WP, NULL);
529 gpio_request(GPIO_FN_SDHI0D3, NULL);
530 gpio_request(GPIO_FN_SDHI0D2, NULL);
531 gpio_request(GPIO_FN_SDHI0D1, NULL);
532 gpio_request(GPIO_FN_SDHI0D0, NULL);
533 gpio_request(GPIO_FN_SDHI0CMD, NULL);
534 gpio_request(GPIO_FN_SDHI0CLK, NULL);
536 return platform_add_devices(kfr2r09_devices,
537 ARRAY_SIZE(kfr2r09_devices));
539 device_initcall(kfr2r09_devices_setup);
541 /* Return the board specific boot mode pin configuration */
542 static int kfr2r09_mode_pins(void)
544 /* MD0=1, MD1=1, MD2=0: Clock Mode 3
545 * MD3=0: 16-bit Area0 Bus Width
546 * MD5=1: Little Endian
547 * MD8=1: Test Mode Disabled
549 return MODE_PIN0 | MODE_PIN1 | MODE_PIN5 | MODE_PIN8;
555 static struct sh_machine_vector mv_kfr2r09 __initmv = {
556 .mv_name = "kfr2r09",
557 .mv_mode_pins = kfr2r09_mode_pins,