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/tmio.h>
28 #include <linux/mmc/host.h>
29 #include <linux/mmc/sh_mobile_sdhi.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>
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>
45 #include <linux/pm_clock.h>
46 #include <linux/dma-mapping.h>
48 #include <media/sh_mobile_ceu.h>
49 #include <media/sh_mobile_csi2.h>
50 #include <media/soc_camera.h>
52 #include <sound/sh_fsi.h>
54 #include <video/sh_mobile_hdmi.h>
55 #include <video/sh_mobile_lcdc.h>
56 #include <video/sh_mipi_dsi.h>
58 #include <mach/common.h>
59 #include <mach/irqs.h>
60 #include <mach/sh7372.h>
62 #include <asm/mach-types.h>
63 #include <asm/mach/arch.h>
64 #include <asm/mach/map.h>
65 #include <asm/mach/time.h>
66 #include <asm/setup.h>
69 * Address Interface BusWidth note
70 * ------------------------------------------------------------------
71 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
72 * 0x0800_0000 user area -
73 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
74 * 0x1400_0000 Ether (LAN9220) 16bit
75 * 0x1600_0000 user area - cannot use with NAND
76 * 0x1800_0000 user area -
78 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
84 * SW1 | SW2 | SW7 | NOR Flash ROM
85 * bit1 | bit1 bit2 | bit1 | Memory allocation
86 * ------+------------+------+------------------
87 * OFF | ON OFF | ON | Area 0
88 * OFF | ON OFF | OFF | Area 4
94 * SW1 | SW2 | SW7 | NAND Flash ROM
95 * bit1 | bit1 bit2 | bit2 | Memory allocation
96 * ------+------------+------+------------------
97 * OFF | ON OFF | ON | FCE 0
98 * OFF | ON OFF | OFF | FCE 1
105 * -----------------------
111 * LCD / IRQ / KEYSC / IrDA
113 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
114 * LCD = 2nd LCDC (WVGA)
118 * -------------+-----------------------+---------------+
119 * ON | KEY / IrDA | LCD |
120 * OFF | KEY / IrDA / IRQ | IRQ |
125 * You can choice display type on menuconfig.
126 * Then, check above dip-switch.
132 * J7 : 1-2 MAX3355E VBUS
141 * SW41 : ON : SH-Mobile AP4 Audio Mode
142 * : OFF : Bluetooth Audio Mode
148 * J22 : select card voltage
153 * | bit1 | bit2 | bit3 | bit4
154 * ------------+------+------+------+-------
155 * MMC0 OFF | OFF | ON | ON | X
156 * SDHI1 OFF | ON | X | OFF | ON
164 static struct mtd_partition nor_flash_partitions[] = {
167 .offset = 0x00000000,
169 .mask_flags = MTD_WRITEABLE,
173 .offset = MTDPART_OFS_APPEND,
175 .mask_flags = MTD_WRITEABLE,
179 .offset = MTDPART_OFS_APPEND,
180 .size = 8 * 1024 * 1024,
181 .mask_flags = MTD_WRITEABLE,
185 .offset = MTDPART_OFS_APPEND,
186 .size = 8 * 1024 * 1024,
190 .offset = MTDPART_OFS_APPEND,
191 .size = MTDPART_SIZ_FULL,
195 static struct physmap_flash_data nor_flash_data = {
197 .parts = nor_flash_partitions,
198 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
201 static struct resource nor_flash_resources[] = {
203 .start = 0x20000000, /* CS0 shadow instead of regular CS0 */
204 .end = 0x28000000 - 1, /* needed by USB MASK ROM boot */
205 .flags = IORESOURCE_MEM,
209 static struct platform_device nor_flash_device = {
210 .name = "physmap-flash",
212 .platform_data = &nor_flash_data,
214 .num_resources = ARRAY_SIZE(nor_flash_resources),
215 .resource = nor_flash_resources,
219 static struct resource smc911x_resources[] = {
222 .end = 0x16000000 - 1,
223 .flags = IORESOURCE_MEM,
225 .start = evt2irq(0x02c0) /* IRQ6A */,
226 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
230 static struct smsc911x_platform_config smsc911x_info = {
231 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
232 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
233 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
236 static struct platform_device smc911x_device = {
239 .num_resources = ARRAY_SIZE(smc911x_resources),
240 .resource = smc911x_resources,
242 .platform_data = &smsc911x_info,
247 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
248 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
250 static int slot_cn7_get_cd(struct platform_device *pdev)
252 return !gpio_get_value(GPIO_PORT41);
255 static struct sh_mobile_meram_info meram_info = {
256 .addr_mode = SH_MOBILE_MERAM_MODE1,
259 static struct resource meram_resources[] = {
264 .flags = IORESOURCE_MEM,
268 static struct platform_device meram_device = {
269 .name = "sh_mobile_meram",
271 .num_resources = ARRAY_SIZE(meram_resources),
272 .resource = meram_resources,
274 .platform_data = &meram_info,
279 static struct resource sh_mmcif_resources[] = {
284 .flags = IORESOURCE_MEM,
288 .start = evt2irq(0x1ac0),
289 .flags = IORESOURCE_IRQ,
293 .start = evt2irq(0x1ae0),
294 .flags = IORESOURCE_IRQ,
298 static struct sh_mmcif_dma sh_mmcif_dma = {
300 .slave_id = SHDMA_SLAVE_MMCIF_RX,
303 .slave_id = SHDMA_SLAVE_MMCIF_TX,
307 static struct sh_mmcif_plat_data sh_mmcif_plat = {
309 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
310 .caps = MMC_CAP_4_BIT_DATA |
313 .get_cd = slot_cn7_get_cd,
314 .dma = &sh_mmcif_dma,
317 static struct platform_device sh_mmcif_device = {
322 .coherent_dma_mask = 0xffffffff,
323 .platform_data = &sh_mmcif_plat,
325 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
326 .resource = sh_mmcif_resources,
330 static struct sh_mobile_sdhi_info sdhi0_info = {
331 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
332 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
333 .tmio_caps = MMC_CAP_SDIO_IRQ,
336 static struct resource sdhi0_resources[] = {
341 .flags = IORESOURCE_MEM,
344 .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
345 .flags = IORESOURCE_IRQ,
348 .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
349 .flags = IORESOURCE_IRQ,
352 .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
353 .flags = IORESOURCE_IRQ,
357 static struct platform_device sdhi0_device = {
358 .name = "sh_mobile_sdhi",
359 .num_resources = ARRAY_SIZE(sdhi0_resources),
360 .resource = sdhi0_resources,
363 .platform_data = &sdhi0_info,
368 static struct sh_mobile_sdhi_info sdhi1_info = {
369 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
370 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
371 .tmio_ocr_mask = MMC_VDD_165_195,
372 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
373 .tmio_caps = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
374 .get_cd = slot_cn7_get_cd,
377 static struct resource sdhi1_resources[] = {
382 .flags = IORESOURCE_MEM,
385 .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
386 .flags = IORESOURCE_IRQ,
389 .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
390 .flags = IORESOURCE_IRQ,
393 .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
394 .flags = IORESOURCE_IRQ,
398 static struct platform_device sdhi1_device = {
399 .name = "sh_mobile_sdhi",
400 .num_resources = ARRAY_SIZE(sdhi1_resources),
401 .resource = sdhi1_resources,
404 .platform_data = &sdhi1_info,
409 static void usb1_host_port_power(int port, int power)
411 if (!power) /* only power-on supported for now */
414 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
415 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
418 static struct r8a66597_platdata usb1_host_data = {
420 .port_power = usb1_host_port_power,
423 static struct resource usb1_host_resources[] = {
427 .end = 0xE68B00E6 - 1,
428 .flags = IORESOURCE_MEM,
431 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
432 .flags = IORESOURCE_IRQ,
436 static struct platform_device usb1_host_device = {
437 .name = "r8a66597_hcd",
440 .dma_mask = NULL, /* not use dma */
441 .coherent_dma_mask = 0xffffffff,
442 .platform_data = &usb1_host_data,
444 .num_resources = ARRAY_SIZE(usb1_host_resources),
445 .resource = usb1_host_resources,
448 static const struct fb_videomode ap4evb_lcdc_modes[] = {
450 #ifdef CONFIG_AP4EVB_QHD
451 .name = "R63302(QHD)",
460 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
462 .name = "WVGA Panel",
475 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
485 .meram_offset = 0x40,
490 static struct sh_mobile_lcdc_info lcdc_info = {
491 .meram_dev = &meram_info,
493 .chan = LCDC_CHAN_MAINLCD,
494 .fourcc = V4L2_PIX_FMT_RGB565,
495 .lcd_cfg = ap4evb_lcdc_modes,
496 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
497 .meram_cfg = &lcd_meram_cfg,
501 static struct resource lcdc_resources[] = {
504 .start = 0xfe940000, /* P4-only space */
506 .flags = IORESOURCE_MEM,
509 .start = intcs_evt2irq(0x580),
510 .flags = IORESOURCE_IRQ,
514 static struct platform_device lcdc_device = {
515 .name = "sh_mobile_lcdc_fb",
516 .num_resources = ARRAY_SIZE(lcdc_resources),
517 .resource = lcdc_resources,
519 .platform_data = &lcdc_info,
520 .coherent_dma_mask = ~0,
527 #ifdef CONFIG_AP4EVB_QHD
529 /* KEYSC (Needs SW43 set to ON) */
530 static struct sh_keysc_info keysc_info = {
531 .mode = SH_KEYSC_MODE_1,
535 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
536 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
537 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
538 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
539 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
543 static struct resource keysc_resources[] = {
548 .flags = IORESOURCE_MEM,
551 .start = evt2irq(0x0be0), /* KEYSC_KEY */
552 .flags = IORESOURCE_IRQ,
556 static struct platform_device keysc_device = {
558 .id = 0, /* "keysc0" clock */
559 .num_resources = ARRAY_SIZE(keysc_resources),
560 .resource = keysc_resources,
562 .platform_data = &keysc_info,
567 #define PHYCTRL 0x0070
568 static int sh_mipi_set_dot_clock(struct platform_device *pdev,
572 struct clk *pck = clk_get(&pdev->dev, "dsip_clk");
573 void __iomem *phy = base + PHYCTRL;
579 clk_set_rate(pck, clk_round_rate(pck, 24000000));
580 iowrite32(ioread32(phy) | (0xb << 8), phy);
591 static struct resource mipidsi0_resources[] = {
595 .flags = IORESOURCE_MEM,
600 .flags = IORESOURCE_MEM,
604 static struct sh_mipi_dsi_info mipidsi0_info = {
605 .data_format = MIPI_RGB888,
606 .lcd_chan = &lcdc_info.ch[0],
609 .flags = SH_MIPI_DSI_SYNC_PULSES_MODE |
610 SH_MIPI_DSI_HSbyteCLK,
611 .set_dot_clock = sh_mipi_set_dot_clock,
614 static struct platform_device mipidsi0_device = {
615 .name = "sh-mipi-dsi",
616 .num_resources = ARRAY_SIZE(mipidsi0_resources),
617 .resource = mipidsi0_resources,
620 .platform_data = &mipidsi0_info,
624 static struct platform_device *qhd_devices[] __initdata = {
628 #endif /* CONFIG_AP4EVB_QHD */
631 #define IRQ_FSI evt2irq(0x1840)
632 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
640 ret = clk_set_rate(clk, rate);
642 ret = clk_enable(clk);
650 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
652 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
655 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
657 struct clk *fsia_ick;
661 fsia_ick = clk_get(dev, "icka");
662 if (IS_ERR(fsia_ick))
663 return PTR_ERR(fsia_ick);
666 * FSIACK is connected to AK4642,
667 * and use external clock pin from it.
668 * it is parent of fsia_ick now.
670 fsiack = clk_get_parent(fsia_ick);
675 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
678 * Because the freq_table of external clk (fsiack) are all 0,
679 * the return value of clk_round_rate became 0.
680 * So, it use __fsi_set_rate here.
682 ret = __fsi_set_rate(fsiack, rate, enable);
686 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
687 if ((ret < 0) && enable)
688 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
699 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
701 struct clk *fsib_clk;
702 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
710 fsib_rate = rate * 256;
711 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
714 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
715 fdiv_rate = rate * 256;
716 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
719 pr_err("unsupported rate in FSI2 port B\n");
724 fsib_clk = clk_get(dev, "ickb");
725 if (IS_ERR(fsib_clk))
728 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
730 goto fsi_set_rate_end;
732 /* FSI DIV setting */
733 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
737 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
738 goto fsi_set_rate_end;
748 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
753 ret = fsi_ak4642_set_rate(dev, rate, enable);
755 ret = fsi_hdmi_set_rate(dev, rate, enable);
760 static struct sh_fsi_platform_info fsi_info = {
761 .porta_flags = SH_FSI_BRS_INV,
763 .portb_flags = SH_FSI_BRS_INV |
767 .set_rate = fsi_set_rate,
770 static struct resource fsi_resources[] = {
774 .end = 0xFE3C0400 - 1,
775 .flags = IORESOURCE_MEM,
779 .flags = IORESOURCE_IRQ,
783 static struct platform_device fsi_device = {
786 .num_resources = ARRAY_SIZE(fsi_resources),
787 .resource = fsi_resources,
789 .platform_data = &fsi_info,
793 static struct fsi_ak4642_info fsi2_ak4643_info = {
795 .card = "FSI2A-AK4643",
796 .cpu_dai = "fsia-dai",
797 .codec = "ak4642-codec.0-0013",
798 .platform = "sh_fsi2",
802 static struct platform_device fsi_ak4643_device = {
803 .name = "fsi-ak4642-audio",
805 .platform_data = &fsi_info,
809 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
813 .meram_offset = 0x80,
819 .meram_offset = 0x180,
824 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
825 .clock_source = LCDC_CLK_EXTERNAL,
826 .meram_dev = &meram_info,
828 .chan = LCDC_CHAN_MAINLCD,
829 .fourcc = V4L2_PIX_FMT_RGB565,
830 .interface_type = RGB24,
832 .flags = LCDC_FLAGS_DWPOL,
833 .meram_cfg = &hdmi_meram_cfg,
837 static struct resource lcdc1_resources[] = {
842 .flags = IORESOURCE_MEM,
845 .start = intcs_evt2irq(0x1780),
846 .flags = IORESOURCE_IRQ,
850 static struct platform_device lcdc1_device = {
851 .name = "sh_mobile_lcdc_fb",
852 .num_resources = ARRAY_SIZE(lcdc1_resources),
853 .resource = lcdc1_resources,
856 .platform_data = &sh_mobile_lcdc1_info,
857 .coherent_dma_mask = ~0,
861 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
862 unsigned long *parent_freq);
865 static struct sh_mobile_hdmi_info hdmi_info = {
866 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
867 .lcd_dev = &lcdc1_device.dev,
868 .flags = HDMI_SND_SRC_SPDIF,
869 .clk_optimize_parent = ap4evb_clk_optimize,
872 static struct resource hdmi_resources[] = {
877 .flags = IORESOURCE_MEM,
880 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
881 .start = evt2irq(0x17e0),
882 .flags = IORESOURCE_IRQ,
886 static struct platform_device hdmi_device = {
887 .name = "sh-mobile-hdmi",
888 .num_resources = ARRAY_SIZE(hdmi_resources),
889 .resource = hdmi_resources,
892 .platform_data = &hdmi_info,
896 static struct platform_device fsi_hdmi_device = {
897 .name = "sh_fsi2_b_hdmi",
900 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
901 unsigned long *parent_freq)
903 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
906 if (IS_ERR(hdmi_ick)) {
907 int ret = PTR_ERR(hdmi_ick);
908 pr_err("Cannot get HDMI ICK: %d\n", ret);
912 error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
919 static struct gpio_led ap4evb_leds[] = {
922 .gpio = GPIO_PORT185,
923 .default_state = LEDS_GPIO_DEFSTATE_ON,
927 .gpio = GPIO_PORT186,
928 .default_state = LEDS_GPIO_DEFSTATE_ON,
932 .gpio = GPIO_PORT187,
933 .default_state = LEDS_GPIO_DEFSTATE_ON,
937 .gpio = GPIO_PORT188,
938 .default_state = LEDS_GPIO_DEFSTATE_ON,
942 static struct gpio_led_platform_data ap4evb_leds_pdata = {
943 .num_leds = ARRAY_SIZE(ap4evb_leds),
947 static struct platform_device leds_device = {
951 .platform_data = &ap4evb_leds_pdata,
955 static struct i2c_board_info imx074_info = {
956 I2C_BOARD_INFO("imx074", 0x1a),
959 static struct soc_camera_link imx074_link = {
961 .board_info = &imx074_info,
963 .module_name = "imx074",
966 static struct platform_device ap4evb_camera = {
967 .name = "soc-camera-pdrv",
970 .platform_data = &imx074_link,
974 static struct sh_csi2_client_config csi2_clients[] = {
976 .phy = SH_CSI2_PHY_MAIN,
977 .lanes = 0, /* default: 2 lanes */
979 .pdev = &ap4evb_camera,
983 static struct sh_csi2_pdata csi2_info = {
985 .clients = csi2_clients,
986 .num_clients = ARRAY_SIZE(csi2_clients),
987 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
990 static struct resource csi2_resources[] = {
995 .flags = IORESOURCE_MEM,
998 .start = intcs_evt2irq(0x17a0),
999 .flags = IORESOURCE_IRQ,
1003 static struct sh_mobile_ceu_companion csi2 = {
1005 .num_resources = ARRAY_SIZE(csi2_resources),
1006 .resource = csi2_resources,
1007 .platform_data = &csi2_info,
1010 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
1011 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
1015 static struct resource ceu_resources[] = {
1018 .start = 0xfe910000,
1020 .flags = IORESOURCE_MEM,
1023 .start = intcs_evt2irq(0x880),
1024 .flags = IORESOURCE_IRQ,
1027 /* place holder for contiguous memory */
1031 static struct platform_device ceu_device = {
1032 .name = "sh_mobile_ceu",
1033 .id = 0, /* "ceu0" clock */
1034 .num_resources = ARRAY_SIZE(ceu_resources),
1035 .resource = ceu_resources,
1037 .platform_data = &sh_mobile_ceu_info,
1038 .coherent_dma_mask = 0xffffffff,
1042 static struct platform_device *ap4evb_devices[] __initdata = {
1061 static void __init hdmi_init_pm_clock(void)
1063 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1067 if (IS_ERR(hdmi_ick)) {
1068 ret = PTR_ERR(hdmi_ick);
1069 pr_err("Cannot get HDMI ICK: %d\n", ret);
1073 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1075 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1079 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1081 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1083 pr_err("Cannot get suitable rate: %ld\n", rate);
1088 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1090 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1094 pr_debug("PLLC2 set frequency %lu\n", rate);
1096 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1098 pr_err("Cannot set HDMI parent: %d\n", ret);
1101 if (!IS_ERR(hdmi_ick))
1105 static void __init fsi_init_pm_clock(void)
1107 struct clk *fsia_ick;
1110 fsia_ick = clk_get(&fsi_device.dev, "icka");
1111 if (IS_ERR(fsia_ick)) {
1112 ret = PTR_ERR(fsia_ick);
1113 pr_err("Cannot get FSI ICK: %d\n", ret);
1117 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1119 pr_err("Cannot set FSI-A parent: %d\n", ret);
1130 * current gpio frame work doesn't have
1131 * the method to control only pull up/down/free.
1132 * this function should be replaced by correct gpio function
1134 static void __init gpio_no_direction(u32 addr)
1136 __raw_writeb(0x00, addr);
1140 #ifdef CONFIG_AP4EVB_QHD
1141 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1142 # define GPIO_TSC_PORT GPIO_PORT123
1144 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1145 # define GPIO_TSC_PORT GPIO_PORT40
1148 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1149 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
1150 static int ts_get_pendown_state(void)
1154 gpio_free(GPIO_TSC_IRQ);
1156 gpio_request(GPIO_TSC_PORT, NULL);
1158 gpio_direction_input(GPIO_TSC_PORT);
1160 val = gpio_get_value(GPIO_TSC_PORT);
1162 gpio_request(GPIO_TSC_IRQ, NULL);
1167 static int ts_init(void)
1169 gpio_request(GPIO_TSC_IRQ, NULL);
1174 static struct tsc2007_platform_data tsc2007_info = {
1176 .x_plate_ohms = 180,
1177 .get_pendown_state = ts_get_pendown_state,
1178 .init_platform_hw = ts_init,
1181 static struct i2c_board_info tsc_device = {
1182 I2C_BOARD_INFO("tsc2007", 0x48),
1184 .platform_data = &tsc2007_info,
1185 /*.irq is selected on ap4evb_init */
1189 static struct i2c_board_info i2c0_devices[] = {
1191 I2C_BOARD_INFO("ak4643", 0x13),
1195 static struct i2c_board_info i2c1_devices[] = {
1197 I2C_BOARD_INFO("r2025sd", 0x32),
1201 static struct map_desc ap4evb_io_desc[] __initdata = {
1202 /* create a 1:1 entity map for 0xe6xxxxxx
1203 * used by CPGA, INTC and PFC.
1206 .virtual = 0xe6000000,
1207 .pfn = __phys_to_pfn(0xe6000000),
1208 .length = 256 << 20,
1209 .type = MT_DEVICE_NONSHARED
1213 static void __init ap4evb_map_io(void)
1215 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1217 /* setup early devices and console here as well */
1218 sh7372_add_early_devices();
1219 shmobile_setup_console();
1222 #define GPIO_PORT9CR 0xE6051009
1223 #define GPIO_PORT10CR 0xE605100A
1224 #define USCCR1 0xE6058144
1225 static void __init ap4evb_init(void)
1230 sh7372_pinmux_init();
1233 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1234 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1236 /* enable SMSC911X */
1237 gpio_request(GPIO_FN_CS5A, NULL);
1238 gpio_request(GPIO_FN_IRQ6_39, NULL);
1240 /* enable Debug switch (S6) */
1241 gpio_request(GPIO_PORT32, NULL);
1242 gpio_request(GPIO_PORT33, NULL);
1243 gpio_request(GPIO_PORT34, NULL);
1244 gpio_request(GPIO_PORT35, NULL);
1245 gpio_direction_input(GPIO_PORT32);
1246 gpio_direction_input(GPIO_PORT33);
1247 gpio_direction_input(GPIO_PORT34);
1248 gpio_direction_input(GPIO_PORT35);
1249 gpio_export(GPIO_PORT32, 0);
1250 gpio_export(GPIO_PORT33, 0);
1251 gpio_export(GPIO_PORT34, 0);
1252 gpio_export(GPIO_PORT35, 0);
1255 gpio_request(GPIO_FN_SDHICD0, NULL);
1256 gpio_request(GPIO_FN_SDHIWP0, NULL);
1257 gpio_request(GPIO_FN_SDHICMD0, NULL);
1258 gpio_request(GPIO_FN_SDHICLK0, NULL);
1259 gpio_request(GPIO_FN_SDHID0_3, NULL);
1260 gpio_request(GPIO_FN_SDHID0_2, NULL);
1261 gpio_request(GPIO_FN_SDHID0_1, NULL);
1262 gpio_request(GPIO_FN_SDHID0_0, NULL);
1265 gpio_request(GPIO_FN_SDHICMD1, NULL);
1266 gpio_request(GPIO_FN_SDHICLK1, NULL);
1267 gpio_request(GPIO_FN_SDHID1_3, NULL);
1268 gpio_request(GPIO_FN_SDHID1_2, NULL);
1269 gpio_request(GPIO_FN_SDHID1_1, NULL);
1270 gpio_request(GPIO_FN_SDHID1_0, NULL);
1273 gpio_request(GPIO_FN_MMCD0_0, NULL);
1274 gpio_request(GPIO_FN_MMCD0_1, NULL);
1275 gpio_request(GPIO_FN_MMCD0_2, NULL);
1276 gpio_request(GPIO_FN_MMCD0_3, NULL);
1277 gpio_request(GPIO_FN_MMCD0_4, NULL);
1278 gpio_request(GPIO_FN_MMCD0_5, NULL);
1279 gpio_request(GPIO_FN_MMCD0_6, NULL);
1280 gpio_request(GPIO_FN_MMCD0_7, NULL);
1281 gpio_request(GPIO_FN_MMCCMD0, NULL);
1282 gpio_request(GPIO_FN_MMCCLK0, NULL);
1285 gpio_request(GPIO_FN_VBUS0_1, NULL);
1286 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1287 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1288 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1289 gpio_request(GPIO_FN_EXTLP_1, NULL);
1290 gpio_request(GPIO_FN_OVCN2_1, NULL);
1293 __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
1295 /* enable FSI2 port A (ak4643) */
1296 gpio_request(GPIO_FN_FSIAIBT, NULL);
1297 gpio_request(GPIO_FN_FSIAILR, NULL);
1298 gpio_request(GPIO_FN_FSIAISLD, NULL);
1299 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1300 gpio_request(GPIO_PORT161, NULL);
1301 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1303 gpio_request(GPIO_PORT9, NULL);
1304 gpio_request(GPIO_PORT10, NULL);
1305 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1306 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1308 /* card detect pin for MMC slot (CN7) */
1309 gpio_request(GPIO_PORT41, NULL);
1310 gpio_direction_input(GPIO_PORT41);
1312 /* setup FSI2 port B (HDMI) */
1313 gpio_request(GPIO_FN_FSIBCK, NULL);
1314 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1316 /* set SPU2 clock to 119.6 MHz */
1317 clk = clk_get(NULL, "spu_clk");
1319 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1324 * set irq priority, to avoid sound chopping
1325 * when NFS rootfs is used
1326 * FSI(3) > SMSC911X(2)
1328 intc_set_priority(IRQ_FSI, 3);
1330 i2c_register_board_info(0, i2c0_devices,
1331 ARRAY_SIZE(i2c0_devices));
1333 i2c_register_board_info(1, i2c1_devices,
1334 ARRAY_SIZE(i2c1_devices));
1336 #ifdef CONFIG_AP4EVB_QHD
1339 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1340 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1344 gpio_request(GPIO_FN_KEYOUT0, NULL);
1345 gpio_request(GPIO_FN_KEYOUT1, NULL);
1346 gpio_request(GPIO_FN_KEYOUT2, NULL);
1347 gpio_request(GPIO_FN_KEYOUT3, NULL);
1348 gpio_request(GPIO_FN_KEYOUT4, NULL);
1349 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1350 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1351 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1352 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1353 gpio_request(GPIO_FN_KEYIN4, NULL);
1355 /* enable TouchScreen */
1356 irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1358 tsc_device.irq = IRQ28;
1359 i2c_register_board_info(1, &tsc_device, 1);
1362 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1363 lcdc_info.ch[0].interface_type = RGB24;
1364 lcdc_info.ch[0].clock_divider = 1;
1365 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1366 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1367 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1369 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1373 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1374 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1377 gpio_request(GPIO_FN_LCDD17, NULL);
1378 gpio_request(GPIO_FN_LCDD16, NULL);
1379 gpio_request(GPIO_FN_LCDD15, NULL);
1380 gpio_request(GPIO_FN_LCDD14, NULL);
1381 gpio_request(GPIO_FN_LCDD13, NULL);
1382 gpio_request(GPIO_FN_LCDD12, NULL);
1383 gpio_request(GPIO_FN_LCDD11, NULL);
1384 gpio_request(GPIO_FN_LCDD10, NULL);
1385 gpio_request(GPIO_FN_LCDD9, NULL);
1386 gpio_request(GPIO_FN_LCDD8, NULL);
1387 gpio_request(GPIO_FN_LCDD7, NULL);
1388 gpio_request(GPIO_FN_LCDD6, NULL);
1389 gpio_request(GPIO_FN_LCDD5, NULL);
1390 gpio_request(GPIO_FN_LCDD4, NULL);
1391 gpio_request(GPIO_FN_LCDD3, NULL);
1392 gpio_request(GPIO_FN_LCDD2, NULL);
1393 gpio_request(GPIO_FN_LCDD1, NULL);
1394 gpio_request(GPIO_FN_LCDD0, NULL);
1395 gpio_request(GPIO_FN_LCDDISP, NULL);
1396 gpio_request(GPIO_FN_LCDDCK, NULL);
1398 gpio_request(GPIO_PORT189, NULL); /* backlight */
1399 gpio_direction_output(GPIO_PORT189, 1);
1401 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1402 gpio_direction_output(GPIO_PORT151, 1);
1404 lcdc_info.clock_source = LCDC_CLK_BUS;
1405 lcdc_info.ch[0].interface_type = RGB18;
1406 lcdc_info.ch[0].clock_divider = 3;
1407 lcdc_info.ch[0].flags = 0;
1408 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1409 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1411 /* enable TouchScreen */
1412 irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1414 tsc_device.irq = IRQ7;
1415 i2c_register_board_info(0, &tsc_device, 1);
1416 #endif /* CONFIG_AP4EVB_QHD */
1421 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1425 /* MIPI-CSI stuff */
1426 gpio_request(GPIO_FN_VIO_CKO, NULL);
1428 clk = clk_get(NULL, "vck1_clk");
1430 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1435 sh7372_add_standard_devices();
1438 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1439 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1441 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1442 #define SRCR4 0xe61580bc
1443 srcr4 = __raw_readl(SRCR4);
1444 __raw_writel(srcr4 | (1 << 13), SRCR4);
1446 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1448 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1450 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1451 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1452 sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1454 sh7372_add_device_to_domain(&sh7372_a3sp, &sh_mmcif_device);
1455 sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi0_device);
1456 sh7372_add_device_to_domain(&sh7372_a3sp, &sdhi1_device);
1457 sh7372_add_device_to_domain(&sh7372_a4r, &ceu_device);
1459 hdmi_init_pm_clock();
1460 fsi_init_pm_clock();
1462 pm_clk_add(&fsi_device.dev, "spu2");
1463 pm_clk_add(&lcdc1_device.dev, "hdmi");
1466 static void __init ap4evb_timer_init(void)
1468 sh7372_clock_init();
1469 shmobile_timer.init();
1471 /* External clock source */
1472 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1475 static struct sys_timer ap4evb_timer = {
1476 .init = ap4evb_timer_init,
1479 MACHINE_START(AP4EVB, "ap4evb")
1480 .map_io = ap4evb_map_io,
1481 .init_irq = sh7372_init_irq,
1482 .handle_irq = shmobile_handle_irq_intc,
1483 .init_machine = ap4evb_init,
1484 .timer = &ap4evb_timer,