Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/genesis-2.6 into devel-stable
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / arch / arm / mach-shmobile / board-ap4evb.c
blobf5d55efda386cd19ca3c4c315ae1725f1dc2a6d6
1 /*
2 * AP4EVB board support
4 * Copyright (C) 2010 Magnus Damm
5 * Copyright (C) 2008 Yoshihiro Shimoda
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
20 #include <linux/clk.h>
21 #include <linux/kernel.h>
22 #include <linux/init.h>
23 #include <linux/interrupt.h>
24 #include <linux/irq.h>
25 #include <linux/platform_device.h>
26 #include <linux/delay.h>
27 #include <linux/mfd/sh_mobile_sdhi.h>
28 #include <linux/mfd/tmio.h>
29 #include <linux/mmc/host.h>
30 #include <linux/mtd/mtd.h>
31 #include <linux/mtd/partitions.h>
32 #include <linux/mtd/physmap.h>
33 #include <linux/mmc/sh_mmcif.h>
34 #include <linux/i2c.h>
35 #include <linux/i2c/tsc2007.h>
36 #include <linux/io.h>
37 #include <linux/smsc911x.h>
38 #include <linux/sh_intc.h>
39 #include <linux/sh_clk.h>
40 #include <linux/gpio.h>
41 #include <linux/input.h>
42 #include <linux/leds.h>
43 #include <linux/input/sh_keysc.h>
44 #include <linux/usb/r8a66597.h>
46 #include <media/sh_mobile_ceu.h>
47 #include <media/sh_mobile_csi2.h>
48 #include <media/soc_camera.h>
50 #include <sound/sh_fsi.h>
52 #include <video/sh_mobile_hdmi.h>
53 #include <video/sh_mobile_lcdc.h>
54 #include <video/sh_mipi_dsi.h>
56 #include <mach/common.h>
57 #include <mach/irqs.h>
58 #include <mach/sh7372.h>
60 #include <asm/mach-types.h>
61 #include <asm/mach/arch.h>
62 #include <asm/mach/map.h>
63 #include <asm/mach/time.h>
66 * Address Interface BusWidth note
67 * ------------------------------------------------------------------
68 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
69 * 0x0800_0000 user area -
70 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
71 * 0x1400_0000 Ether (LAN9220) 16bit
72 * 0x1600_0000 user area - cannot use with NAND
73 * 0x1800_0000 user area -
74 * 0x1A00_0000 -
75 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
79 * NOR Flash ROM
81 * SW1 | SW2 | SW7 | NOR Flash ROM
82 * bit1 | bit1 bit2 | bit1 | Memory allocation
83 * ------+------------+------+------------------
84 * OFF | ON OFF | ON | Area 0
85 * OFF | ON OFF | OFF | Area 4
89 * NAND Flash ROM
91 * SW1 | SW2 | SW7 | NAND Flash ROM
92 * bit1 | bit1 bit2 | bit2 | Memory allocation
93 * ------+------------+------+------------------
94 * OFF | ON OFF | ON | FCE 0
95 * OFF | ON OFF | OFF | FCE 1
99 * SMSC 9220
101 * SW1 SMSC 9220
102 * -----------------------
103 * ON access disable
104 * OFF access enable
108 * LCD / IRQ / KEYSC / IrDA
110 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
111 * LCD = 2nd LCDC (WVGA)
113 * | SW43 |
114 * SW3 | ON | OFF |
115 * -------------+-----------------------+---------------+
116 * ON | KEY / IrDA | LCD |
117 * OFF | KEY / IrDA / IRQ | IRQ |
120 * QHD / WVGA display
122 * You can choice display type on menuconfig.
123 * Then, check above dip-switch.
127 * USB
129 * J7 : 1-2 MAX3355E VBUS
130 * 2-3 DC 5.0V
132 * S39: bit2: off
136 * FSI/FSMI
138 * SW41 : ON : SH-Mobile AP4 Audio Mode
139 * : OFF : Bluetooth Audio Mode
143 * MMC0/SDHI1 (CN7)
145 * J22 : select card voltage
146 * 1-2 pin : 1.8v
147 * 2-3 pin : 3.3v
149 * SW1 | SW33
150 * | bit1 | bit2 | bit3 | bit4
151 * ------------+------+------+------+-------
152 * MMC0 OFF | OFF | ON | ON | X
153 * SDHI1 OFF | ON | X | OFF | ON
155 * voltage lebel
156 * CN7 : 1.8v
157 * CN12: 3.3v
160 /* MTD */
161 static struct mtd_partition nor_flash_partitions[] = {
163 .name = "loader",
164 .offset = 0x00000000,
165 .size = 512 * 1024,
168 .name = "bootenv",
169 .offset = MTDPART_OFS_APPEND,
170 .size = 512 * 1024,
173 .name = "kernel_ro",
174 .offset = MTDPART_OFS_APPEND,
175 .size = 8 * 1024 * 1024,
176 .mask_flags = MTD_WRITEABLE,
179 .name = "kernel",
180 .offset = MTDPART_OFS_APPEND,
181 .size = 8 * 1024 * 1024,
184 .name = "data",
185 .offset = MTDPART_OFS_APPEND,
186 .size = MTDPART_SIZ_FULL,
190 static struct physmap_flash_data nor_flash_data = {
191 .width = 2,
192 .parts = nor_flash_partitions,
193 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
196 static struct resource nor_flash_resources[] = {
197 [0] = {
198 .start = 0x00000000,
199 .end = 0x08000000 - 1,
200 .flags = IORESOURCE_MEM,
204 static struct platform_device nor_flash_device = {
205 .name = "physmap-flash",
206 .dev = {
207 .platform_data = &nor_flash_data,
209 .num_resources = ARRAY_SIZE(nor_flash_resources),
210 .resource = nor_flash_resources,
213 /* SMSC 9220 */
214 static struct resource smc911x_resources[] = {
216 .start = 0x14000000,
217 .end = 0x16000000 - 1,
218 .flags = IORESOURCE_MEM,
219 }, {
220 .start = evt2irq(0x02c0) /* IRQ6A */,
221 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
225 static struct smsc911x_platform_config smsc911x_info = {
226 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
227 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
228 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
231 static struct platform_device smc911x_device = {
232 .name = "smsc911x",
233 .id = -1,
234 .num_resources = ARRAY_SIZE(smc911x_resources),
235 .resource = smc911x_resources,
236 .dev = {
237 .platform_data = &smsc911x_info,
241 /* SH_MMCIF */
242 static struct resource sh_mmcif_resources[] = {
243 [0] = {
244 .name = "MMCIF",
245 .start = 0xE6BD0000,
246 .end = 0xE6BD00FF,
247 .flags = IORESOURCE_MEM,
249 [1] = {
250 /* MMC ERR */
251 .start = evt2irq(0x1ac0),
252 .flags = IORESOURCE_IRQ,
254 [2] = {
255 /* MMC NOR */
256 .start = evt2irq(0x1ae0),
257 .flags = IORESOURCE_IRQ,
261 static struct sh_mmcif_plat_data sh_mmcif_plat = {
262 .sup_pclk = 0,
263 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
264 .caps = MMC_CAP_4_BIT_DATA |
265 MMC_CAP_8_BIT_DATA |
266 MMC_CAP_NEEDS_POLL,
269 static struct platform_device sh_mmcif_device = {
270 .name = "sh_mmcif",
271 .id = 0,
272 .dev = {
273 .dma_mask = NULL,
274 .coherent_dma_mask = 0xffffffff,
275 .platform_data = &sh_mmcif_plat,
277 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
278 .resource = sh_mmcif_resources,
281 /* SDHI0 */
282 static struct sh_mobile_sdhi_info sdhi0_info = {
283 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
284 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
287 static struct resource sdhi0_resources[] = {
288 [0] = {
289 .name = "SDHI0",
290 .start = 0xe6850000,
291 .end = 0xe68501ff,
292 .flags = IORESOURCE_MEM,
294 [1] = {
295 .start = evt2irq(0x0e00) /* SDHI0 */,
296 .flags = IORESOURCE_IRQ,
300 static struct platform_device sdhi0_device = {
301 .name = "sh_mobile_sdhi",
302 .num_resources = ARRAY_SIZE(sdhi0_resources),
303 .resource = sdhi0_resources,
304 .id = 0,
305 .dev = {
306 .platform_data = &sdhi0_info,
310 /* SDHI1 */
311 static struct sh_mobile_sdhi_info sdhi1_info = {
312 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
313 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
314 .tmio_ocr_mask = MMC_VDD_165_195,
315 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
318 static struct resource sdhi1_resources[] = {
319 [0] = {
320 .name = "SDHI1",
321 .start = 0xe6860000,
322 .end = 0xe68601ff,
323 .flags = IORESOURCE_MEM,
325 [1] = {
326 .start = evt2irq(0x0e80),
327 .flags = IORESOURCE_IRQ,
331 static struct platform_device sdhi1_device = {
332 .name = "sh_mobile_sdhi",
333 .num_resources = ARRAY_SIZE(sdhi1_resources),
334 .resource = sdhi1_resources,
335 .id = 1,
336 .dev = {
337 .platform_data = &sdhi1_info,
341 /* USB1 */
342 static void usb1_host_port_power(int port, int power)
344 if (!power) /* only power-on supported for now */
345 return;
347 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
348 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
351 static struct r8a66597_platdata usb1_host_data = {
352 .on_chip = 1,
353 .port_power = usb1_host_port_power,
356 static struct resource usb1_host_resources[] = {
357 [0] = {
358 .name = "USBHS",
359 .start = 0xE68B0000,
360 .end = 0xE68B00E6 - 1,
361 .flags = IORESOURCE_MEM,
363 [1] = {
364 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
365 .flags = IORESOURCE_IRQ,
369 static struct platform_device usb1_host_device = {
370 .name = "r8a66597_hcd",
371 .id = 1,
372 .dev = {
373 .dma_mask = NULL, /* not use dma */
374 .coherent_dma_mask = 0xffffffff,
375 .platform_data = &usb1_host_data,
377 .num_resources = ARRAY_SIZE(usb1_host_resources),
378 .resource = usb1_host_resources,
381 const static struct fb_videomode ap4evb_lcdc_modes[] = {
383 #ifdef CONFIG_AP4EVB_QHD
384 .name = "R63302(QHD)",
385 .xres = 544,
386 .yres = 961,
387 .left_margin = 72,
388 .right_margin = 600,
389 .hsync_len = 16,
390 .upper_margin = 8,
391 .lower_margin = 8,
392 .vsync_len = 2,
393 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
394 #else
395 .name = "WVGA Panel",
396 .xres = 800,
397 .yres = 480,
398 .left_margin = 220,
399 .right_margin = 110,
400 .hsync_len = 70,
401 .upper_margin = 20,
402 .lower_margin = 5,
403 .vsync_len = 5,
404 .sync = 0,
405 #endif
409 static struct sh_mobile_lcdc_info lcdc_info = {
410 .ch[0] = {
411 .chan = LCDC_CHAN_MAINLCD,
412 .bpp = 16,
413 .lcd_cfg = ap4evb_lcdc_modes,
414 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
418 static struct resource lcdc_resources[] = {
419 [0] = {
420 .name = "LCDC",
421 .start = 0xfe940000, /* P4-only space */
422 .end = 0xfe943fff,
423 .flags = IORESOURCE_MEM,
425 [1] = {
426 .start = intcs_evt2irq(0x580),
427 .flags = IORESOURCE_IRQ,
431 static struct platform_device lcdc_device = {
432 .name = "sh_mobile_lcdc_fb",
433 .num_resources = ARRAY_SIZE(lcdc_resources),
434 .resource = lcdc_resources,
435 .dev = {
436 .platform_data = &lcdc_info,
437 .coherent_dma_mask = ~0,
442 * QHD display
444 #ifdef CONFIG_AP4EVB_QHD
446 /* KEYSC (Needs SW43 set to ON) */
447 static struct sh_keysc_info keysc_info = {
448 .mode = SH_KEYSC_MODE_1,
449 .scan_timing = 3,
450 .delay = 2500,
451 .keycodes = {
452 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
453 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
454 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
455 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
456 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
460 static struct resource keysc_resources[] = {
461 [0] = {
462 .name = "KEYSC",
463 .start = 0xe61b0000,
464 .end = 0xe61b0063,
465 .flags = IORESOURCE_MEM,
467 [1] = {
468 .start = evt2irq(0x0be0), /* KEYSC_KEY */
469 .flags = IORESOURCE_IRQ,
473 static struct platform_device keysc_device = {
474 .name = "sh_keysc",
475 .id = 0, /* "keysc0" clock */
476 .num_resources = ARRAY_SIZE(keysc_resources),
477 .resource = keysc_resources,
478 .dev = {
479 .platform_data = &keysc_info,
483 /* MIPI-DSI */
484 static struct resource mipidsi0_resources[] = {
485 [0] = {
486 .start = 0xffc60000,
487 .end = 0xffc68fff,
488 .flags = IORESOURCE_MEM,
492 static struct sh_mipi_dsi_info mipidsi0_info = {
493 .data_format = MIPI_RGB888,
494 .lcd_chan = &lcdc_info.ch[0],
497 static struct platform_device mipidsi0_device = {
498 .name = "sh-mipi-dsi",
499 .num_resources = ARRAY_SIZE(mipidsi0_resources),
500 .resource = mipidsi0_resources,
501 .id = 0,
502 .dev = {
503 .platform_data = &mipidsi0_info,
507 /* This function will disappear when we switch to (runtime) PM */
508 static int __init ap4evb_init_display_clk(void)
510 struct clk *lcdc_clk;
511 struct clk *dsitx_clk;
512 int ret;
514 lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
515 if (IS_ERR(lcdc_clk))
516 return PTR_ERR(lcdc_clk);
518 dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
519 if (IS_ERR(dsitx_clk)) {
520 ret = PTR_ERR(dsitx_clk);
521 goto eclkdsitxget;
524 ret = clk_enable(lcdc_clk);
525 if (ret < 0)
526 goto eclklcdcon;
528 ret = clk_enable(dsitx_clk);
529 if (ret < 0)
530 goto eclkdsitxon;
532 return 0;
534 eclkdsitxon:
535 clk_disable(lcdc_clk);
536 eclklcdcon:
537 clk_put(dsitx_clk);
538 eclkdsitxget:
539 clk_put(lcdc_clk);
541 return ret;
543 device_initcall(ap4evb_init_display_clk);
545 static struct platform_device *qhd_devices[] __initdata = {
546 &mipidsi0_device,
547 &keysc_device,
549 #endif /* CONFIG_AP4EVB_QHD */
551 /* FSI */
552 #define IRQ_FSI evt2irq(0x1840)
553 static struct sh_fsi_platform_info fsi_info = {
554 .porta_flags = SH_FSI_BRS_INV |
555 SH_FSI_OUT_SLAVE_MODE |
556 SH_FSI_IN_SLAVE_MODE |
557 SH_FSI_OFMT(PCM) |
558 SH_FSI_IFMT(PCM),
561 static struct resource fsi_resources[] = {
562 [0] = {
563 .name = "FSI",
564 .start = 0xFE3C0000,
565 .end = 0xFE3C0400 - 1,
566 .flags = IORESOURCE_MEM,
568 [1] = {
569 .start = IRQ_FSI,
570 .flags = IORESOURCE_IRQ,
574 static struct platform_device fsi_device = {
575 .name = "sh_fsi2",
576 .id = -1,
577 .num_resources = ARRAY_SIZE(fsi_resources),
578 .resource = fsi_resources,
579 .dev = {
580 .platform_data = &fsi_info,
584 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
585 .clock_source = LCDC_CLK_EXTERNAL,
586 .ch[0] = {
587 .chan = LCDC_CHAN_MAINLCD,
588 .bpp = 16,
589 .interface_type = RGB24,
590 .clock_divider = 1,
591 .flags = LCDC_FLAGS_DWPOL,
595 static struct resource lcdc1_resources[] = {
596 [0] = {
597 .name = "LCDC1",
598 .start = 0xfe944000,
599 .end = 0xfe947fff,
600 .flags = IORESOURCE_MEM,
602 [1] = {
603 .start = intcs_evt2irq(0x1780),
604 .flags = IORESOURCE_IRQ,
608 static struct platform_device lcdc1_device = {
609 .name = "sh_mobile_lcdc_fb",
610 .num_resources = ARRAY_SIZE(lcdc1_resources),
611 .resource = lcdc1_resources,
612 .id = 1,
613 .dev = {
614 .platform_data = &sh_mobile_lcdc1_info,
615 .coherent_dma_mask = ~0,
619 static struct sh_mobile_hdmi_info hdmi_info = {
620 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
621 .lcd_dev = &lcdc1_device.dev,
624 static struct resource hdmi_resources[] = {
625 [0] = {
626 .name = "HDMI",
627 .start = 0xe6be0000,
628 .end = 0xe6be00ff,
629 .flags = IORESOURCE_MEM,
631 [1] = {
632 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
633 .start = evt2irq(0x17e0),
634 .flags = IORESOURCE_IRQ,
638 static struct platform_device hdmi_device = {
639 .name = "sh-mobile-hdmi",
640 .num_resources = ARRAY_SIZE(hdmi_resources),
641 .resource = hdmi_resources,
642 .id = -1,
643 .dev = {
644 .platform_data = &hdmi_info,
648 static struct gpio_led ap4evb_leds[] = {
650 .name = "led4",
651 .gpio = GPIO_PORT185,
652 .default_state = LEDS_GPIO_DEFSTATE_ON,
655 .name = "led2",
656 .gpio = GPIO_PORT186,
657 .default_state = LEDS_GPIO_DEFSTATE_ON,
660 .name = "led3",
661 .gpio = GPIO_PORT187,
662 .default_state = LEDS_GPIO_DEFSTATE_ON,
665 .name = "led1",
666 .gpio = GPIO_PORT188,
667 .default_state = LEDS_GPIO_DEFSTATE_ON,
671 static struct gpio_led_platform_data ap4evb_leds_pdata = {
672 .num_leds = ARRAY_SIZE(ap4evb_leds),
673 .leds = ap4evb_leds,
676 static struct platform_device leds_device = {
677 .name = "leds-gpio",
678 .id = 0,
679 .dev = {
680 .platform_data = &ap4evb_leds_pdata,
684 static struct i2c_board_info imx074_info = {
685 I2C_BOARD_INFO("imx074", 0x1a),
688 struct soc_camera_link imx074_link = {
689 .bus_id = 0,
690 .board_info = &imx074_info,
691 .i2c_adapter_id = 0,
692 .module_name = "imx074",
695 static struct platform_device ap4evb_camera = {
696 .name = "soc-camera-pdrv",
697 .id = 0,
698 .dev = {
699 .platform_data = &imx074_link,
703 static struct sh_csi2_client_config csi2_clients[] = {
705 .phy = SH_CSI2_PHY_MAIN,
706 .lanes = 3,
707 .channel = 0,
708 .pdev = &ap4evb_camera,
712 static struct sh_csi2_pdata csi2_info = {
713 .type = SH_CSI2C,
714 .clients = csi2_clients,
715 .num_clients = ARRAY_SIZE(csi2_clients),
716 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
719 static struct resource csi2_resources[] = {
720 [0] = {
721 .name = "CSI2",
722 .start = 0xffc90000,
723 .end = 0xffc90fff,
724 .flags = IORESOURCE_MEM,
726 [1] = {
727 .start = intcs_evt2irq(0x17a0),
728 .flags = IORESOURCE_IRQ,
732 static struct platform_device csi2_device = {
733 .name = "sh-mobile-csi2",
734 .id = 0,
735 .num_resources = ARRAY_SIZE(csi2_resources),
736 .resource = csi2_resources,
737 .dev = {
738 .platform_data = &csi2_info,
742 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
743 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
744 .csi2_dev = &csi2_device.dev,
747 static struct resource ceu_resources[] = {
748 [0] = {
749 .name = "CEU",
750 .start = 0xfe910000,
751 .end = 0xfe91009f,
752 .flags = IORESOURCE_MEM,
754 [1] = {
755 .start = intcs_evt2irq(0x880),
756 .flags = IORESOURCE_IRQ,
758 [2] = {
759 /* place holder for contiguous memory */
763 static struct platform_device ceu_device = {
764 .name = "sh_mobile_ceu",
765 .id = 0, /* "ceu0" clock */
766 .num_resources = ARRAY_SIZE(ceu_resources),
767 .resource = ceu_resources,
768 .dev = {
769 .platform_data = &sh_mobile_ceu_info,
773 static struct platform_device *ap4evb_devices[] __initdata = {
774 &leds_device,
775 &nor_flash_device,
776 &smc911x_device,
777 &sdhi0_device,
778 &sdhi1_device,
779 &usb1_host_device,
780 &fsi_device,
781 &sh_mmcif_device,
782 &lcdc1_device,
783 &lcdc_device,
784 &hdmi_device,
785 &csi2_device,
786 &ceu_device,
787 &ap4evb_camera,
790 static int __init hdmi_init_pm_clock(void)
792 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
793 int ret;
794 long rate;
796 if (IS_ERR(hdmi_ick)) {
797 ret = PTR_ERR(hdmi_ick);
798 pr_err("Cannot get HDMI ICK: %d\n", ret);
799 goto out;
802 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
803 if (ret < 0) {
804 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
805 goto out;
808 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
810 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
811 if (rate < 0) {
812 pr_err("Cannot get suitable rate: %ld\n", rate);
813 ret = rate;
814 goto out;
817 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
818 if (ret < 0) {
819 pr_err("Cannot set rate %ld: %d\n", rate, ret);
820 goto out;
823 pr_debug("PLLC2 set frequency %lu\n", rate);
825 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
826 if (ret < 0) {
827 pr_err("Cannot set HDMI parent: %d\n", ret);
828 goto out;
831 out:
832 if (!IS_ERR(hdmi_ick))
833 clk_put(hdmi_ick);
834 return ret;
837 device_initcall(hdmi_init_pm_clock);
839 #define FSIACK_DUMMY_RATE 48000
840 static int __init fsi_init_pm_clock(void)
842 struct clk *fsia_ick;
843 int ret;
846 * FSIACK is connected to AK4642,
847 * and the rate is depend on playing sound rate.
848 * So, set dummy rate (= 48k) here
850 ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
851 if (ret < 0) {
852 pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
853 return ret;
856 fsia_ick = clk_get(&fsi_device.dev, "icka");
857 if (IS_ERR(fsia_ick)) {
858 ret = PTR_ERR(fsia_ick);
859 pr_err("Cannot get FSI ICK: %d\n", ret);
860 return ret;
863 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
864 if (ret < 0) {
865 pr_err("Cannot set FSI-A parent: %d\n", ret);
866 goto out;
869 ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
870 if (ret < 0)
871 pr_err("Cannot set FSI-A rate: %d\n", ret);
873 out:
874 clk_put(fsia_ick);
876 return ret;
878 device_initcall(fsi_init_pm_clock);
881 * FIXME !!
883 * gpio_no_direction
884 * are quick_hack.
886 * current gpio frame work doesn't have
887 * the method to control only pull up/down/free.
888 * this function should be replaced by correct gpio function
890 static void __init gpio_no_direction(u32 addr)
892 __raw_writeb(0x00, addr);
895 /* TouchScreen */
896 #ifdef CONFIG_AP4EVB_QHD
897 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
898 # define GPIO_TSC_PORT GPIO_PORT123
899 #else /* WVGA */
900 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
901 # define GPIO_TSC_PORT GPIO_PORT40
902 #endif
904 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
905 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
906 static int ts_get_pendown_state(void)
908 int val;
910 gpio_free(GPIO_TSC_IRQ);
912 gpio_request(GPIO_TSC_PORT, NULL);
914 gpio_direction_input(GPIO_TSC_PORT);
916 val = gpio_get_value(GPIO_TSC_PORT);
918 gpio_request(GPIO_TSC_IRQ, NULL);
920 return !val;
923 static int ts_init(void)
925 gpio_request(GPIO_TSC_IRQ, NULL);
927 return 0;
930 static struct tsc2007_platform_data tsc2007_info = {
931 .model = 2007,
932 .x_plate_ohms = 180,
933 .get_pendown_state = ts_get_pendown_state,
934 .init_platform_hw = ts_init,
937 static struct i2c_board_info tsc_device = {
938 I2C_BOARD_INFO("tsc2007", 0x48),
939 .type = "tsc2007",
940 .platform_data = &tsc2007_info,
941 /*.irq is selected on ap4evb_init */
944 /* I2C */
945 static struct i2c_board_info i2c0_devices[] = {
947 I2C_BOARD_INFO("ak4643", 0x13),
951 static struct i2c_board_info i2c1_devices[] = {
953 I2C_BOARD_INFO("r2025sd", 0x32),
957 static struct map_desc ap4evb_io_desc[] __initdata = {
958 /* create a 1:1 entity map for 0xe6xxxxxx
959 * used by CPGA, INTC and PFC.
962 .virtual = 0xe6000000,
963 .pfn = __phys_to_pfn(0xe6000000),
964 .length = 256 << 20,
965 .type = MT_DEVICE_NONSHARED
969 static void __init ap4evb_map_io(void)
971 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
973 /* setup early devices and console here as well */
974 sh7372_add_early_devices();
975 shmobile_setup_console();
978 #define GPIO_PORT9CR 0xE6051009
979 #define GPIO_PORT10CR 0xE605100A
980 static void __init ap4evb_init(void)
982 u32 srcr4;
983 struct clk *clk;
985 sh7372_pinmux_init();
987 /* enable SCIFA0 */
988 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
989 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
991 /* enable SMSC911X */
992 gpio_request(GPIO_FN_CS5A, NULL);
993 gpio_request(GPIO_FN_IRQ6_39, NULL);
995 /* enable Debug switch (S6) */
996 gpio_request(GPIO_PORT32, NULL);
997 gpio_request(GPIO_PORT33, NULL);
998 gpio_request(GPIO_PORT34, NULL);
999 gpio_request(GPIO_PORT35, NULL);
1000 gpio_direction_input(GPIO_PORT32);
1001 gpio_direction_input(GPIO_PORT33);
1002 gpio_direction_input(GPIO_PORT34);
1003 gpio_direction_input(GPIO_PORT35);
1004 gpio_export(GPIO_PORT32, 0);
1005 gpio_export(GPIO_PORT33, 0);
1006 gpio_export(GPIO_PORT34, 0);
1007 gpio_export(GPIO_PORT35, 0);
1009 /* SDHI0 */
1010 gpio_request(GPIO_FN_SDHICD0, NULL);
1011 gpio_request(GPIO_FN_SDHIWP0, NULL);
1012 gpio_request(GPIO_FN_SDHICMD0, NULL);
1013 gpio_request(GPIO_FN_SDHICLK0, NULL);
1014 gpio_request(GPIO_FN_SDHID0_3, NULL);
1015 gpio_request(GPIO_FN_SDHID0_2, NULL);
1016 gpio_request(GPIO_FN_SDHID0_1, NULL);
1017 gpio_request(GPIO_FN_SDHID0_0, NULL);
1019 /* SDHI1 */
1020 gpio_request(GPIO_FN_SDHICMD1, NULL);
1021 gpio_request(GPIO_FN_SDHICLK1, NULL);
1022 gpio_request(GPIO_FN_SDHID1_3, NULL);
1023 gpio_request(GPIO_FN_SDHID1_2, NULL);
1024 gpio_request(GPIO_FN_SDHID1_1, NULL);
1025 gpio_request(GPIO_FN_SDHID1_0, NULL);
1027 /* MMCIF */
1028 gpio_request(GPIO_FN_MMCD0_0, NULL);
1029 gpio_request(GPIO_FN_MMCD0_1, NULL);
1030 gpio_request(GPIO_FN_MMCD0_2, NULL);
1031 gpio_request(GPIO_FN_MMCD0_3, NULL);
1032 gpio_request(GPIO_FN_MMCD0_4, NULL);
1033 gpio_request(GPIO_FN_MMCD0_5, NULL);
1034 gpio_request(GPIO_FN_MMCD0_6, NULL);
1035 gpio_request(GPIO_FN_MMCD0_7, NULL);
1036 gpio_request(GPIO_FN_MMCCMD0, NULL);
1037 gpio_request(GPIO_FN_MMCCLK0, NULL);
1039 /* USB enable */
1040 gpio_request(GPIO_FN_VBUS0_1, NULL);
1041 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1042 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1043 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1044 gpio_request(GPIO_FN_EXTLP_1, NULL);
1045 gpio_request(GPIO_FN_OVCN2_1, NULL);
1047 /* setup USB phy */
1048 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
1050 /* enable FSI2 */
1051 gpio_request(GPIO_FN_FSIAIBT, NULL);
1052 gpio_request(GPIO_FN_FSIAILR, NULL);
1053 gpio_request(GPIO_FN_FSIAISLD, NULL);
1054 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1055 gpio_request(GPIO_PORT161, NULL);
1056 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1058 gpio_request(GPIO_PORT9, NULL);
1059 gpio_request(GPIO_PORT10, NULL);
1060 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1061 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1063 /* set SPU2 clock to 119.6 MHz */
1064 clk = clk_get(NULL, "spu_clk");
1065 if (!IS_ERR(clk)) {
1066 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1067 clk_put(clk);
1071 * set irq priority, to avoid sound chopping
1072 * when NFS rootfs is used
1073 * FSI(3) > SMSC911X(2)
1075 intc_set_priority(IRQ_FSI, 3);
1077 i2c_register_board_info(0, i2c0_devices,
1078 ARRAY_SIZE(i2c0_devices));
1080 i2c_register_board_info(1, i2c1_devices,
1081 ARRAY_SIZE(i2c1_devices));
1083 #ifdef CONFIG_AP4EVB_QHD
1086 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1087 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1090 /* enable KEYSC */
1091 gpio_request(GPIO_FN_KEYOUT0, NULL);
1092 gpio_request(GPIO_FN_KEYOUT1, NULL);
1093 gpio_request(GPIO_FN_KEYOUT2, NULL);
1094 gpio_request(GPIO_FN_KEYOUT3, NULL);
1095 gpio_request(GPIO_FN_KEYOUT4, NULL);
1096 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1097 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1098 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1099 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1100 gpio_request(GPIO_FN_KEYIN4, NULL);
1102 /* enable TouchScreen */
1103 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1105 tsc_device.irq = IRQ28;
1106 i2c_register_board_info(1, &tsc_device, 1);
1108 /* LCDC0 */
1109 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1110 lcdc_info.ch[0].interface_type = RGB24;
1111 lcdc_info.ch[0].clock_divider = 1;
1112 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1113 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1114 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1116 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1118 #else
1120 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1121 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1124 gpio_request(GPIO_FN_LCDD17, NULL);
1125 gpio_request(GPIO_FN_LCDD16, NULL);
1126 gpio_request(GPIO_FN_LCDD15, NULL);
1127 gpio_request(GPIO_FN_LCDD14, NULL);
1128 gpio_request(GPIO_FN_LCDD13, NULL);
1129 gpio_request(GPIO_FN_LCDD12, NULL);
1130 gpio_request(GPIO_FN_LCDD11, NULL);
1131 gpio_request(GPIO_FN_LCDD10, NULL);
1132 gpio_request(GPIO_FN_LCDD9, NULL);
1133 gpio_request(GPIO_FN_LCDD8, NULL);
1134 gpio_request(GPIO_FN_LCDD7, NULL);
1135 gpio_request(GPIO_FN_LCDD6, NULL);
1136 gpio_request(GPIO_FN_LCDD5, NULL);
1137 gpio_request(GPIO_FN_LCDD4, NULL);
1138 gpio_request(GPIO_FN_LCDD3, NULL);
1139 gpio_request(GPIO_FN_LCDD2, NULL);
1140 gpio_request(GPIO_FN_LCDD1, NULL);
1141 gpio_request(GPIO_FN_LCDD0, NULL);
1142 gpio_request(GPIO_FN_LCDDISP, NULL);
1143 gpio_request(GPIO_FN_LCDDCK, NULL);
1145 gpio_request(GPIO_PORT189, NULL); /* backlight */
1146 gpio_direction_output(GPIO_PORT189, 1);
1148 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1149 gpio_direction_output(GPIO_PORT151, 1);
1151 lcdc_info.clock_source = LCDC_CLK_BUS;
1152 lcdc_info.ch[0].interface_type = RGB18;
1153 lcdc_info.ch[0].clock_divider = 2;
1154 lcdc_info.ch[0].flags = 0;
1155 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1156 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1158 /* enable TouchScreen */
1159 set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1161 tsc_device.irq = IRQ7;
1162 i2c_register_board_info(0, &tsc_device, 1);
1163 #endif /* CONFIG_AP4EVB_QHD */
1165 /* CEU */
1168 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1169 * becomes available
1172 /* MIPI-CSI stuff */
1173 gpio_request(GPIO_FN_VIO_CKO, NULL);
1175 clk = clk_get(NULL, "vck1_clk");
1176 if (!IS_ERR(clk)) {
1177 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1178 clk_enable(clk);
1179 clk_put(clk);
1182 sh7372_add_standard_devices();
1184 /* HDMI */
1185 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1186 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1188 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1189 #define SRCR4 0xe61580bc
1190 srcr4 = __raw_readl(SRCR4);
1191 __raw_writel(srcr4 | (1 << 13), SRCR4);
1192 udelay(50);
1193 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1195 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1198 static void __init ap4evb_timer_init(void)
1200 sh7372_clock_init();
1201 shmobile_timer.init();
1203 /* External clock source */
1204 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1207 static struct sys_timer ap4evb_timer = {
1208 .init = ap4evb_timer_init,
1211 MACHINE_START(AP4EVB, "ap4evb")
1212 .map_io = ap4evb_map_io,
1213 .init_irq = sh7372_init_irq,
1214 .init_machine = ap4evb_init,
1215 .timer = &ap4evb_timer,
1216 MACHINE_END