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>
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 -
75 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
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
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
102 * -----------------------
108 * LCD / IRQ / KEYSC / IrDA
110 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
111 * LCD = 2nd LCDC (WVGA)
115 * -------------+-----------------------+---------------+
116 * ON | KEY / IrDA | LCD |
117 * OFF | KEY / IrDA / IRQ | IRQ |
122 * You can choice display type on menuconfig.
123 * Then, check above dip-switch.
129 * J7 : 1-2 MAX3355E VBUS
138 * SW41 : ON : SH-Mobile AP4 Audio Mode
139 * : OFF : Bluetooth Audio Mode
145 * J22 : select card voltage
150 * | bit1 | bit2 | bit3 | bit4
151 * ------------+------+------+------+-------
152 * MMC0 OFF | OFF | ON | ON | X
153 * SDHI1 OFF | ON | X | OFF | ON
161 static struct mtd_partition nor_flash_partitions[] = {
164 .offset = 0x00000000,
166 .mask_flags = MTD_WRITEABLE,
170 .offset = MTDPART_OFS_APPEND,
172 .mask_flags = MTD_WRITEABLE,
176 .offset = MTDPART_OFS_APPEND,
177 .size = 8 * 1024 * 1024,
178 .mask_flags = MTD_WRITEABLE,
182 .offset = MTDPART_OFS_APPEND,
183 .size = 8 * 1024 * 1024,
187 .offset = MTDPART_OFS_APPEND,
188 .size = MTDPART_SIZ_FULL,
192 static struct physmap_flash_data nor_flash_data = {
194 .parts = nor_flash_partitions,
195 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
198 static struct resource nor_flash_resources[] = {
201 .end = 0x08000000 - 1,
202 .flags = IORESOURCE_MEM,
206 static struct platform_device nor_flash_device = {
207 .name = "physmap-flash",
209 .platform_data = &nor_flash_data,
211 .num_resources = ARRAY_SIZE(nor_flash_resources),
212 .resource = nor_flash_resources,
216 static struct resource smc911x_resources[] = {
219 .end = 0x16000000 - 1,
220 .flags = IORESOURCE_MEM,
222 .start = evt2irq(0x02c0) /* IRQ6A */,
223 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
227 static struct smsc911x_platform_config smsc911x_info = {
228 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
229 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
230 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
233 static struct platform_device smc911x_device = {
236 .num_resources = ARRAY_SIZE(smc911x_resources),
237 .resource = smc911x_resources,
239 .platform_data = &smsc911x_info,
244 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
245 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
247 static int slot_cn7_get_cd(struct platform_device *pdev)
249 if (gpio_is_valid(GPIO_PORT41))
250 return !gpio_get_value(GPIO_PORT41);
256 static struct resource sh_mmcif_resources[] = {
261 .flags = IORESOURCE_MEM,
265 .start = evt2irq(0x1ac0),
266 .flags = IORESOURCE_IRQ,
270 .start = evt2irq(0x1ae0),
271 .flags = IORESOURCE_IRQ,
275 static struct sh_mmcif_plat_data sh_mmcif_plat = {
277 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
278 .caps = MMC_CAP_4_BIT_DATA |
281 .get_cd = slot_cn7_get_cd,
284 static struct platform_device sh_mmcif_device = {
289 .coherent_dma_mask = 0xffffffff,
290 .platform_data = &sh_mmcif_plat,
292 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
293 .resource = sh_mmcif_resources,
297 static struct sh_mobile_sdhi_info sdhi0_info = {
298 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
299 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
302 static struct resource sdhi0_resources[] = {
307 .flags = IORESOURCE_MEM,
310 .start = evt2irq(0x0e00) /* SDHI0 */,
311 .flags = IORESOURCE_IRQ,
315 static struct platform_device sdhi0_device = {
316 .name = "sh_mobile_sdhi",
317 .num_resources = ARRAY_SIZE(sdhi0_resources),
318 .resource = sdhi0_resources,
321 .platform_data = &sdhi0_info,
326 static struct sh_mobile_sdhi_info sdhi1_info = {
327 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
328 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
329 .tmio_ocr_mask = MMC_VDD_165_195,
330 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
331 .tmio_caps = MMC_CAP_NEEDS_POLL,
332 .get_cd = slot_cn7_get_cd,
335 static struct resource sdhi1_resources[] = {
340 .flags = IORESOURCE_MEM,
343 .start = evt2irq(0x0e80),
344 .flags = IORESOURCE_IRQ,
348 static struct platform_device sdhi1_device = {
349 .name = "sh_mobile_sdhi",
350 .num_resources = ARRAY_SIZE(sdhi1_resources),
351 .resource = sdhi1_resources,
354 .platform_data = &sdhi1_info,
359 static void usb1_host_port_power(int port, int power)
361 if (!power) /* only power-on supported for now */
364 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
365 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
368 static struct r8a66597_platdata usb1_host_data = {
370 .port_power = usb1_host_port_power,
373 static struct resource usb1_host_resources[] = {
377 .end = 0xE68B00E6 - 1,
378 .flags = IORESOURCE_MEM,
381 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
382 .flags = IORESOURCE_IRQ,
386 static struct platform_device usb1_host_device = {
387 .name = "r8a66597_hcd",
390 .dma_mask = NULL, /* not use dma */
391 .coherent_dma_mask = 0xffffffff,
392 .platform_data = &usb1_host_data,
394 .num_resources = ARRAY_SIZE(usb1_host_resources),
395 .resource = usb1_host_resources,
398 const static struct fb_videomode ap4evb_lcdc_modes[] = {
400 #ifdef CONFIG_AP4EVB_QHD
401 .name = "R63302(QHD)",
410 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
412 .name = "WVGA Panel",
426 static struct sh_mobile_lcdc_info lcdc_info = {
428 .chan = LCDC_CHAN_MAINLCD,
430 .lcd_cfg = ap4evb_lcdc_modes,
431 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
435 static struct resource lcdc_resources[] = {
438 .start = 0xfe940000, /* P4-only space */
440 .flags = IORESOURCE_MEM,
443 .start = intcs_evt2irq(0x580),
444 .flags = IORESOURCE_IRQ,
448 static struct platform_device lcdc_device = {
449 .name = "sh_mobile_lcdc_fb",
450 .num_resources = ARRAY_SIZE(lcdc_resources),
451 .resource = lcdc_resources,
453 .platform_data = &lcdc_info,
454 .coherent_dma_mask = ~0,
461 #ifdef CONFIG_AP4EVB_QHD
463 /* KEYSC (Needs SW43 set to ON) */
464 static struct sh_keysc_info keysc_info = {
465 .mode = SH_KEYSC_MODE_1,
469 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
470 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
471 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
472 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
473 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
477 static struct resource keysc_resources[] = {
482 .flags = IORESOURCE_MEM,
485 .start = evt2irq(0x0be0), /* KEYSC_KEY */
486 .flags = IORESOURCE_IRQ,
490 static struct platform_device keysc_device = {
492 .id = 0, /* "keysc0" clock */
493 .num_resources = ARRAY_SIZE(keysc_resources),
494 .resource = keysc_resources,
496 .platform_data = &keysc_info,
501 static struct resource mipidsi0_resources[] = {
505 .flags = IORESOURCE_MEM,
509 static struct sh_mipi_dsi_info mipidsi0_info = {
510 .data_format = MIPI_RGB888,
511 .lcd_chan = &lcdc_info.ch[0],
514 static struct platform_device mipidsi0_device = {
515 .name = "sh-mipi-dsi",
516 .num_resources = ARRAY_SIZE(mipidsi0_resources),
517 .resource = mipidsi0_resources,
520 .platform_data = &mipidsi0_info,
524 /* This function will disappear when we switch to (runtime) PM */
525 static int __init ap4evb_init_display_clk(void)
527 struct clk *lcdc_clk;
528 struct clk *dsitx_clk;
531 lcdc_clk = clk_get(&lcdc_device.dev, "sh_mobile_lcdc_fb.0");
532 if (IS_ERR(lcdc_clk))
533 return PTR_ERR(lcdc_clk);
535 dsitx_clk = clk_get(&mipidsi0_device.dev, "sh-mipi-dsi.0");
536 if (IS_ERR(dsitx_clk)) {
537 ret = PTR_ERR(dsitx_clk);
541 ret = clk_enable(lcdc_clk);
545 ret = clk_enable(dsitx_clk);
552 clk_disable(lcdc_clk);
560 device_initcall(ap4evb_init_display_clk);
562 static struct platform_device *qhd_devices[] __initdata = {
566 #endif /* CONFIG_AP4EVB_QHD */
569 #define IRQ_FSI evt2irq(0x1840)
571 static int fsi_set_rate(int is_porta, int rate)
573 struct clk *fsib_clk;
574 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
577 /* set_rate is not needed if port A */
581 fsib_clk = clk_get(NULL, "fsib_clk");
582 if (IS_ERR(fsib_clk))
587 clk_set_rate(fsib_clk, clk_round_rate(fsib_clk, 85428000));
588 clk_set_rate(fdiv_clk, clk_round_rate(fdiv_clk, 12204000));
589 ret = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
592 pr_err("unsupported rate in FSI2 port B\n");
602 static struct sh_fsi_platform_info fsi_info = {
603 .porta_flags = SH_FSI_BRS_INV |
604 SH_FSI_OUT_SLAVE_MODE |
605 SH_FSI_IN_SLAVE_MODE |
609 .portb_flags = SH_FSI_BRS_INV |
613 .set_rate = fsi_set_rate,
616 static struct resource fsi_resources[] = {
620 .end = 0xFE3C0400 - 1,
621 .flags = IORESOURCE_MEM,
625 .flags = IORESOURCE_IRQ,
629 static struct platform_device fsi_device = {
632 .num_resources = ARRAY_SIZE(fsi_resources),
633 .resource = fsi_resources,
635 .platform_data = &fsi_info,
639 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
640 .clock_source = LCDC_CLK_EXTERNAL,
642 .chan = LCDC_CHAN_MAINLCD,
644 .interface_type = RGB24,
646 .flags = LCDC_FLAGS_DWPOL,
650 static struct resource lcdc1_resources[] = {
655 .flags = IORESOURCE_MEM,
658 .start = intcs_evt2irq(0x1780),
659 .flags = IORESOURCE_IRQ,
663 static struct platform_device lcdc1_device = {
664 .name = "sh_mobile_lcdc_fb",
665 .num_resources = ARRAY_SIZE(lcdc1_resources),
666 .resource = lcdc1_resources,
669 .platform_data = &sh_mobile_lcdc1_info,
670 .coherent_dma_mask = ~0,
674 static struct sh_mobile_hdmi_info hdmi_info = {
675 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
676 .lcd_dev = &lcdc1_device.dev,
677 .flags = HDMI_SND_SRC_SPDIF,
680 static struct resource hdmi_resources[] = {
685 .flags = IORESOURCE_MEM,
688 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
689 .start = evt2irq(0x17e0),
690 .flags = IORESOURCE_IRQ,
694 static struct platform_device hdmi_device = {
695 .name = "sh-mobile-hdmi",
696 .num_resources = ARRAY_SIZE(hdmi_resources),
697 .resource = hdmi_resources,
700 .platform_data = &hdmi_info,
704 static struct gpio_led ap4evb_leds[] = {
707 .gpio = GPIO_PORT185,
708 .default_state = LEDS_GPIO_DEFSTATE_ON,
712 .gpio = GPIO_PORT186,
713 .default_state = LEDS_GPIO_DEFSTATE_ON,
717 .gpio = GPIO_PORT187,
718 .default_state = LEDS_GPIO_DEFSTATE_ON,
722 .gpio = GPIO_PORT188,
723 .default_state = LEDS_GPIO_DEFSTATE_ON,
727 static struct gpio_led_platform_data ap4evb_leds_pdata = {
728 .num_leds = ARRAY_SIZE(ap4evb_leds),
732 static struct platform_device leds_device = {
736 .platform_data = &ap4evb_leds_pdata,
740 static struct i2c_board_info imx074_info = {
741 I2C_BOARD_INFO("imx074", 0x1a),
744 struct soc_camera_link imx074_link = {
746 .board_info = &imx074_info,
748 .module_name = "imx074",
751 static struct platform_device ap4evb_camera = {
752 .name = "soc-camera-pdrv",
755 .platform_data = &imx074_link,
759 static struct sh_csi2_client_config csi2_clients[] = {
761 .phy = SH_CSI2_PHY_MAIN,
764 .pdev = &ap4evb_camera,
768 static struct sh_csi2_pdata csi2_info = {
770 .clients = csi2_clients,
771 .num_clients = ARRAY_SIZE(csi2_clients),
772 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
775 static struct resource csi2_resources[] = {
780 .flags = IORESOURCE_MEM,
783 .start = intcs_evt2irq(0x17a0),
784 .flags = IORESOURCE_IRQ,
788 static struct platform_device csi2_device = {
789 .name = "sh-mobile-csi2",
791 .num_resources = ARRAY_SIZE(csi2_resources),
792 .resource = csi2_resources,
794 .platform_data = &csi2_info,
798 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
799 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
800 .csi2_dev = &csi2_device.dev,
803 static struct resource ceu_resources[] = {
808 .flags = IORESOURCE_MEM,
811 .start = intcs_evt2irq(0x880),
812 .flags = IORESOURCE_IRQ,
815 /* place holder for contiguous memory */
819 static struct platform_device ceu_device = {
820 .name = "sh_mobile_ceu",
821 .id = 0, /* "ceu0" clock */
822 .num_resources = ARRAY_SIZE(ceu_resources),
823 .resource = ceu_resources,
825 .platform_data = &sh_mobile_ceu_info,
829 static struct platform_device *ap4evb_devices[] __initdata = {
846 static int __init hdmi_init_pm_clock(void)
848 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
852 if (IS_ERR(hdmi_ick)) {
853 ret = PTR_ERR(hdmi_ick);
854 pr_err("Cannot get HDMI ICK: %d\n", ret);
858 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
860 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
864 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
866 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
868 pr_err("Cannot get suitable rate: %ld\n", rate);
873 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
875 pr_err("Cannot set rate %ld: %d\n", rate, ret);
879 pr_debug("PLLC2 set frequency %lu\n", rate);
881 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
883 pr_err("Cannot set HDMI parent: %d\n", ret);
888 if (!IS_ERR(hdmi_ick))
893 device_initcall(hdmi_init_pm_clock);
895 #define FSIACK_DUMMY_RATE 48000
896 static int __init fsi_init_pm_clock(void)
898 struct clk *fsia_ick;
902 * FSIACK is connected to AK4642,
903 * and the rate is depend on playing sound rate.
904 * So, set dummy rate (= 48k) here
906 ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
908 pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
912 fsia_ick = clk_get(&fsi_device.dev, "icka");
913 if (IS_ERR(fsia_ick)) {
914 ret = PTR_ERR(fsia_ick);
915 pr_err("Cannot get FSI ICK: %d\n", ret);
919 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
921 pr_err("Cannot set FSI-A parent: %d\n", ret);
925 ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
927 pr_err("Cannot set FSI-A rate: %d\n", ret);
934 device_initcall(fsi_init_pm_clock);
942 * current gpio frame work doesn't have
943 * the method to control only pull up/down/free.
944 * this function should be replaced by correct gpio function
946 static void __init gpio_no_direction(u32 addr)
948 __raw_writeb(0x00, addr);
952 #ifdef CONFIG_AP4EVB_QHD
953 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
954 # define GPIO_TSC_PORT GPIO_PORT123
956 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
957 # define GPIO_TSC_PORT GPIO_PORT40
960 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
961 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
962 static int ts_get_pendown_state(void)
966 gpio_free(GPIO_TSC_IRQ);
968 gpio_request(GPIO_TSC_PORT, NULL);
970 gpio_direction_input(GPIO_TSC_PORT);
972 val = gpio_get_value(GPIO_TSC_PORT);
974 gpio_request(GPIO_TSC_IRQ, NULL);
979 static int ts_init(void)
981 gpio_request(GPIO_TSC_IRQ, NULL);
986 static struct tsc2007_platform_data tsc2007_info = {
989 .get_pendown_state = ts_get_pendown_state,
990 .init_platform_hw = ts_init,
993 static struct i2c_board_info tsc_device = {
994 I2C_BOARD_INFO("tsc2007", 0x48),
996 .platform_data = &tsc2007_info,
997 /*.irq is selected on ap4evb_init */
1001 static struct i2c_board_info i2c0_devices[] = {
1003 I2C_BOARD_INFO("ak4643", 0x13),
1007 static struct i2c_board_info i2c1_devices[] = {
1009 I2C_BOARD_INFO("r2025sd", 0x32),
1013 static struct map_desc ap4evb_io_desc[] __initdata = {
1014 /* create a 1:1 entity map for 0xe6xxxxxx
1015 * used by CPGA, INTC and PFC.
1018 .virtual = 0xe6000000,
1019 .pfn = __phys_to_pfn(0xe6000000),
1020 .length = 256 << 20,
1021 .type = MT_DEVICE_NONSHARED
1025 static void __init ap4evb_map_io(void)
1027 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1029 /* setup early devices and console here as well */
1030 sh7372_add_early_devices();
1031 shmobile_setup_console();
1034 #define GPIO_PORT9CR 0xE6051009
1035 #define GPIO_PORT10CR 0xE605100A
1036 #define USCCR1 0xE6058144
1037 static void __init ap4evb_init(void)
1042 sh7372_pinmux_init();
1045 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1046 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1048 /* enable SMSC911X */
1049 gpio_request(GPIO_FN_CS5A, NULL);
1050 gpio_request(GPIO_FN_IRQ6_39, NULL);
1052 /* enable Debug switch (S6) */
1053 gpio_request(GPIO_PORT32, NULL);
1054 gpio_request(GPIO_PORT33, NULL);
1055 gpio_request(GPIO_PORT34, NULL);
1056 gpio_request(GPIO_PORT35, NULL);
1057 gpio_direction_input(GPIO_PORT32);
1058 gpio_direction_input(GPIO_PORT33);
1059 gpio_direction_input(GPIO_PORT34);
1060 gpio_direction_input(GPIO_PORT35);
1061 gpio_export(GPIO_PORT32, 0);
1062 gpio_export(GPIO_PORT33, 0);
1063 gpio_export(GPIO_PORT34, 0);
1064 gpio_export(GPIO_PORT35, 0);
1067 gpio_request(GPIO_FN_SDHICD0, NULL);
1068 gpio_request(GPIO_FN_SDHIWP0, NULL);
1069 gpio_request(GPIO_FN_SDHICMD0, NULL);
1070 gpio_request(GPIO_FN_SDHICLK0, NULL);
1071 gpio_request(GPIO_FN_SDHID0_3, NULL);
1072 gpio_request(GPIO_FN_SDHID0_2, NULL);
1073 gpio_request(GPIO_FN_SDHID0_1, NULL);
1074 gpio_request(GPIO_FN_SDHID0_0, NULL);
1077 gpio_request(GPIO_FN_SDHICMD1, NULL);
1078 gpio_request(GPIO_FN_SDHICLK1, NULL);
1079 gpio_request(GPIO_FN_SDHID1_3, NULL);
1080 gpio_request(GPIO_FN_SDHID1_2, NULL);
1081 gpio_request(GPIO_FN_SDHID1_1, NULL);
1082 gpio_request(GPIO_FN_SDHID1_0, NULL);
1085 gpio_request(GPIO_FN_MMCD0_0, NULL);
1086 gpio_request(GPIO_FN_MMCD0_1, NULL);
1087 gpio_request(GPIO_FN_MMCD0_2, NULL);
1088 gpio_request(GPIO_FN_MMCD0_3, NULL);
1089 gpio_request(GPIO_FN_MMCD0_4, NULL);
1090 gpio_request(GPIO_FN_MMCD0_5, NULL);
1091 gpio_request(GPIO_FN_MMCD0_6, NULL);
1092 gpio_request(GPIO_FN_MMCD0_7, NULL);
1093 gpio_request(GPIO_FN_MMCCMD0, NULL);
1094 gpio_request(GPIO_FN_MMCCLK0, NULL);
1097 gpio_request(GPIO_FN_VBUS0_1, NULL);
1098 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1099 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1100 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1101 gpio_request(GPIO_FN_EXTLP_1, NULL);
1102 gpio_request(GPIO_FN_OVCN2_1, NULL);
1105 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
1107 /* enable FSI2 port A (ak4643) */
1108 gpio_request(GPIO_FN_FSIAIBT, NULL);
1109 gpio_request(GPIO_FN_FSIAILR, NULL);
1110 gpio_request(GPIO_FN_FSIAISLD, NULL);
1111 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1112 gpio_request(GPIO_PORT161, NULL);
1113 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1115 gpio_request(GPIO_PORT9, NULL);
1116 gpio_request(GPIO_PORT10, NULL);
1117 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1118 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1120 /* card detect pin for MMC slot (CN7) */
1121 gpio_request(GPIO_PORT41, NULL);
1122 gpio_direction_input(GPIO_PORT41);
1124 /* setup FSI2 port B (HDMI) */
1125 gpio_request(GPIO_FN_FSIBCK, NULL);
1126 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1128 /* set SPU2 clock to 119.6 MHz */
1129 clk = clk_get(NULL, "spu_clk");
1131 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1136 * set irq priority, to avoid sound chopping
1137 * when NFS rootfs is used
1138 * FSI(3) > SMSC911X(2)
1140 intc_set_priority(IRQ_FSI, 3);
1142 i2c_register_board_info(0, i2c0_devices,
1143 ARRAY_SIZE(i2c0_devices));
1145 i2c_register_board_info(1, i2c1_devices,
1146 ARRAY_SIZE(i2c1_devices));
1148 #ifdef CONFIG_AP4EVB_QHD
1151 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1152 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1156 gpio_request(GPIO_FN_KEYOUT0, NULL);
1157 gpio_request(GPIO_FN_KEYOUT1, NULL);
1158 gpio_request(GPIO_FN_KEYOUT2, NULL);
1159 gpio_request(GPIO_FN_KEYOUT3, NULL);
1160 gpio_request(GPIO_FN_KEYOUT4, NULL);
1161 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1162 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1163 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1164 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1165 gpio_request(GPIO_FN_KEYIN4, NULL);
1167 /* enable TouchScreen */
1168 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1170 tsc_device.irq = IRQ28;
1171 i2c_register_board_info(1, &tsc_device, 1);
1174 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1175 lcdc_info.ch[0].interface_type = RGB24;
1176 lcdc_info.ch[0].clock_divider = 1;
1177 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1178 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1179 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1181 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1185 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1186 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1189 gpio_request(GPIO_FN_LCDD17, NULL);
1190 gpio_request(GPIO_FN_LCDD16, NULL);
1191 gpio_request(GPIO_FN_LCDD15, NULL);
1192 gpio_request(GPIO_FN_LCDD14, NULL);
1193 gpio_request(GPIO_FN_LCDD13, NULL);
1194 gpio_request(GPIO_FN_LCDD12, NULL);
1195 gpio_request(GPIO_FN_LCDD11, NULL);
1196 gpio_request(GPIO_FN_LCDD10, NULL);
1197 gpio_request(GPIO_FN_LCDD9, NULL);
1198 gpio_request(GPIO_FN_LCDD8, NULL);
1199 gpio_request(GPIO_FN_LCDD7, NULL);
1200 gpio_request(GPIO_FN_LCDD6, NULL);
1201 gpio_request(GPIO_FN_LCDD5, NULL);
1202 gpio_request(GPIO_FN_LCDD4, NULL);
1203 gpio_request(GPIO_FN_LCDD3, NULL);
1204 gpio_request(GPIO_FN_LCDD2, NULL);
1205 gpio_request(GPIO_FN_LCDD1, NULL);
1206 gpio_request(GPIO_FN_LCDD0, NULL);
1207 gpio_request(GPIO_FN_LCDDISP, NULL);
1208 gpio_request(GPIO_FN_LCDDCK, NULL);
1210 gpio_request(GPIO_PORT189, NULL); /* backlight */
1211 gpio_direction_output(GPIO_PORT189, 1);
1213 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1214 gpio_direction_output(GPIO_PORT151, 1);
1216 lcdc_info.clock_source = LCDC_CLK_BUS;
1217 lcdc_info.ch[0].interface_type = RGB18;
1218 lcdc_info.ch[0].clock_divider = 2;
1219 lcdc_info.ch[0].flags = 0;
1220 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1221 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1223 /* enable TouchScreen */
1224 set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1226 tsc_device.irq = IRQ7;
1227 i2c_register_board_info(0, &tsc_device, 1);
1228 #endif /* CONFIG_AP4EVB_QHD */
1233 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1237 /* MIPI-CSI stuff */
1238 gpio_request(GPIO_FN_VIO_CKO, NULL);
1240 clk = clk_get(NULL, "vck1_clk");
1242 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1247 sh7372_add_standard_devices();
1250 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1251 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1253 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1254 #define SRCR4 0xe61580bc
1255 srcr4 = __raw_readl(SRCR4);
1256 __raw_writel(srcr4 | (1 << 13), SRCR4);
1258 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1260 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1263 static void __init ap4evb_timer_init(void)
1265 sh7372_clock_init();
1266 shmobile_timer.init();
1268 /* External clock source */
1269 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1272 static struct sys_timer ap4evb_timer = {
1273 .init = ap4evb_timer_init,
1276 MACHINE_START(AP4EVB, "ap4evb")
1277 .map_io = ap4evb_map_io,
1278 .init_irq = sh7372_init_irq,
1279 .init_machine = ap4evb_init,
1280 .timer = &ap4evb_timer,