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)
570 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
578 ret = clk_set_rate(clk, clk_round_rate(clk, rate));
580 ret = clk_enable(clk);
588 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
590 struct clk *fsib_clk;
591 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
597 /* set_rate is not needed if port A */
603 fsib_rate = rate * 256;
604 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
607 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
608 fdiv_rate = rate * 256;
609 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
612 pr_err("unsupported rate in FSI2 port B\n");
617 fsib_clk = clk_get(dev, "ickb");
618 if (IS_ERR(fsib_clk))
621 ret = __fsi_set_rate(fsib_clk, fsib_rate, enable);
626 /* FSI DIV setting */
627 ret = __fsi_set_rate(fdiv_clk, fdiv_rate, enable);
631 __fsi_set_rate(fsib_clk, fsib_rate, 0);
638 static struct sh_fsi_platform_info fsi_info = {
639 .porta_flags = SH_FSI_BRS_INV |
640 SH_FSI_OUT_SLAVE_MODE |
641 SH_FSI_IN_SLAVE_MODE |
645 .portb_flags = SH_FSI_BRS_INV |
649 .set_rate = fsi_set_rate,
652 static struct resource fsi_resources[] = {
656 .end = 0xFE3C0400 - 1,
657 .flags = IORESOURCE_MEM,
661 .flags = IORESOURCE_IRQ,
665 static struct platform_device fsi_device = {
668 .num_resources = ARRAY_SIZE(fsi_resources),
669 .resource = fsi_resources,
671 .platform_data = &fsi_info,
675 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
676 .clock_source = LCDC_CLK_EXTERNAL,
678 .chan = LCDC_CHAN_MAINLCD,
680 .interface_type = RGB24,
682 .flags = LCDC_FLAGS_DWPOL,
686 static struct resource lcdc1_resources[] = {
691 .flags = IORESOURCE_MEM,
694 .start = intcs_evt2irq(0x1780),
695 .flags = IORESOURCE_IRQ,
699 static struct platform_device lcdc1_device = {
700 .name = "sh_mobile_lcdc_fb",
701 .num_resources = ARRAY_SIZE(lcdc1_resources),
702 .resource = lcdc1_resources,
705 .platform_data = &sh_mobile_lcdc1_info,
706 .coherent_dma_mask = ~0,
710 static struct sh_mobile_hdmi_info hdmi_info = {
711 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
712 .lcd_dev = &lcdc1_device.dev,
713 .flags = HDMI_SND_SRC_SPDIF,
716 static struct resource hdmi_resources[] = {
721 .flags = IORESOURCE_MEM,
724 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
725 .start = evt2irq(0x17e0),
726 .flags = IORESOURCE_IRQ,
730 static struct platform_device hdmi_device = {
731 .name = "sh-mobile-hdmi",
732 .num_resources = ARRAY_SIZE(hdmi_resources),
733 .resource = hdmi_resources,
736 .platform_data = &hdmi_info,
740 static struct gpio_led ap4evb_leds[] = {
743 .gpio = GPIO_PORT185,
744 .default_state = LEDS_GPIO_DEFSTATE_ON,
748 .gpio = GPIO_PORT186,
749 .default_state = LEDS_GPIO_DEFSTATE_ON,
753 .gpio = GPIO_PORT187,
754 .default_state = LEDS_GPIO_DEFSTATE_ON,
758 .gpio = GPIO_PORT188,
759 .default_state = LEDS_GPIO_DEFSTATE_ON,
763 static struct gpio_led_platform_data ap4evb_leds_pdata = {
764 .num_leds = ARRAY_SIZE(ap4evb_leds),
768 static struct platform_device leds_device = {
772 .platform_data = &ap4evb_leds_pdata,
776 static struct i2c_board_info imx074_info = {
777 I2C_BOARD_INFO("imx074", 0x1a),
780 struct soc_camera_link imx074_link = {
782 .board_info = &imx074_info,
784 .module_name = "imx074",
787 static struct platform_device ap4evb_camera = {
788 .name = "soc-camera-pdrv",
791 .platform_data = &imx074_link,
795 static struct sh_csi2_client_config csi2_clients[] = {
797 .phy = SH_CSI2_PHY_MAIN,
800 .pdev = &ap4evb_camera,
804 static struct sh_csi2_pdata csi2_info = {
806 .clients = csi2_clients,
807 .num_clients = ARRAY_SIZE(csi2_clients),
808 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
811 static struct resource csi2_resources[] = {
816 .flags = IORESOURCE_MEM,
819 .start = intcs_evt2irq(0x17a0),
820 .flags = IORESOURCE_IRQ,
824 static struct platform_device csi2_device = {
825 .name = "sh-mobile-csi2",
827 .num_resources = ARRAY_SIZE(csi2_resources),
828 .resource = csi2_resources,
830 .platform_data = &csi2_info,
834 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
835 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
836 .csi2_dev = &csi2_device.dev,
839 static struct resource ceu_resources[] = {
844 .flags = IORESOURCE_MEM,
847 .start = intcs_evt2irq(0x880),
848 .flags = IORESOURCE_IRQ,
851 /* place holder for contiguous memory */
855 static struct platform_device ceu_device = {
856 .name = "sh_mobile_ceu",
857 .id = 0, /* "ceu0" clock */
858 .num_resources = ARRAY_SIZE(ceu_resources),
859 .resource = ceu_resources,
861 .platform_data = &sh_mobile_ceu_info,
865 static struct platform_device *ap4evb_devices[] __initdata = {
882 static int __init hdmi_init_pm_clock(void)
884 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
888 if (IS_ERR(hdmi_ick)) {
889 ret = PTR_ERR(hdmi_ick);
890 pr_err("Cannot get HDMI ICK: %d\n", ret);
894 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
896 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
900 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
902 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
904 pr_err("Cannot get suitable rate: %ld\n", rate);
909 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
911 pr_err("Cannot set rate %ld: %d\n", rate, ret);
915 pr_debug("PLLC2 set frequency %lu\n", rate);
917 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
919 pr_err("Cannot set HDMI parent: %d\n", ret);
924 if (!IS_ERR(hdmi_ick))
929 device_initcall(hdmi_init_pm_clock);
931 #define FSIACK_DUMMY_RATE 48000
932 static int __init fsi_init_pm_clock(void)
934 struct clk *fsia_ick;
938 * FSIACK is connected to AK4642,
939 * and the rate is depend on playing sound rate.
940 * So, set dummy rate (= 48k) here
942 ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE);
944 pr_err("Cannot set FSIACK dummy rate: %d\n", ret);
948 fsia_ick = clk_get(&fsi_device.dev, "icka");
949 if (IS_ERR(fsia_ick)) {
950 ret = PTR_ERR(fsia_ick);
951 pr_err("Cannot get FSI ICK: %d\n", ret);
955 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
957 pr_err("Cannot set FSI-A parent: %d\n", ret);
961 ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE);
963 pr_err("Cannot set FSI-A rate: %d\n", ret);
970 device_initcall(fsi_init_pm_clock);
978 * current gpio frame work doesn't have
979 * the method to control only pull up/down/free.
980 * this function should be replaced by correct gpio function
982 static void __init gpio_no_direction(u32 addr)
984 __raw_writeb(0x00, addr);
988 #ifdef CONFIG_AP4EVB_QHD
989 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
990 # define GPIO_TSC_PORT GPIO_PORT123
992 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
993 # define GPIO_TSC_PORT GPIO_PORT40
996 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
997 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
998 static int ts_get_pendown_state(void)
1002 gpio_free(GPIO_TSC_IRQ);
1004 gpio_request(GPIO_TSC_PORT, NULL);
1006 gpio_direction_input(GPIO_TSC_PORT);
1008 val = gpio_get_value(GPIO_TSC_PORT);
1010 gpio_request(GPIO_TSC_IRQ, NULL);
1015 static int ts_init(void)
1017 gpio_request(GPIO_TSC_IRQ, NULL);
1022 static struct tsc2007_platform_data tsc2007_info = {
1024 .x_plate_ohms = 180,
1025 .get_pendown_state = ts_get_pendown_state,
1026 .init_platform_hw = ts_init,
1029 static struct i2c_board_info tsc_device = {
1030 I2C_BOARD_INFO("tsc2007", 0x48),
1032 .platform_data = &tsc2007_info,
1033 /*.irq is selected on ap4evb_init */
1037 static struct i2c_board_info i2c0_devices[] = {
1039 I2C_BOARD_INFO("ak4643", 0x13),
1043 static struct i2c_board_info i2c1_devices[] = {
1045 I2C_BOARD_INFO("r2025sd", 0x32),
1049 static struct map_desc ap4evb_io_desc[] __initdata = {
1050 /* create a 1:1 entity map for 0xe6xxxxxx
1051 * used by CPGA, INTC and PFC.
1054 .virtual = 0xe6000000,
1055 .pfn = __phys_to_pfn(0xe6000000),
1056 .length = 256 << 20,
1057 .type = MT_DEVICE_NONSHARED
1061 static void __init ap4evb_map_io(void)
1063 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1065 /* setup early devices and console here as well */
1066 sh7372_add_early_devices();
1067 shmobile_setup_console();
1070 #define GPIO_PORT9CR 0xE6051009
1071 #define GPIO_PORT10CR 0xE605100A
1072 #define USCCR1 0xE6058144
1073 static void __init ap4evb_init(void)
1078 sh7372_pinmux_init();
1081 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1082 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1084 /* enable SMSC911X */
1085 gpio_request(GPIO_FN_CS5A, NULL);
1086 gpio_request(GPIO_FN_IRQ6_39, NULL);
1088 /* enable Debug switch (S6) */
1089 gpio_request(GPIO_PORT32, NULL);
1090 gpio_request(GPIO_PORT33, NULL);
1091 gpio_request(GPIO_PORT34, NULL);
1092 gpio_request(GPIO_PORT35, NULL);
1093 gpio_direction_input(GPIO_PORT32);
1094 gpio_direction_input(GPIO_PORT33);
1095 gpio_direction_input(GPIO_PORT34);
1096 gpio_direction_input(GPIO_PORT35);
1097 gpio_export(GPIO_PORT32, 0);
1098 gpio_export(GPIO_PORT33, 0);
1099 gpio_export(GPIO_PORT34, 0);
1100 gpio_export(GPIO_PORT35, 0);
1103 gpio_request(GPIO_FN_SDHICD0, NULL);
1104 gpio_request(GPIO_FN_SDHIWP0, NULL);
1105 gpio_request(GPIO_FN_SDHICMD0, NULL);
1106 gpio_request(GPIO_FN_SDHICLK0, NULL);
1107 gpio_request(GPIO_FN_SDHID0_3, NULL);
1108 gpio_request(GPIO_FN_SDHID0_2, NULL);
1109 gpio_request(GPIO_FN_SDHID0_1, NULL);
1110 gpio_request(GPIO_FN_SDHID0_0, NULL);
1113 gpio_request(GPIO_FN_SDHICMD1, NULL);
1114 gpio_request(GPIO_FN_SDHICLK1, NULL);
1115 gpio_request(GPIO_FN_SDHID1_3, NULL);
1116 gpio_request(GPIO_FN_SDHID1_2, NULL);
1117 gpio_request(GPIO_FN_SDHID1_1, NULL);
1118 gpio_request(GPIO_FN_SDHID1_0, NULL);
1121 gpio_request(GPIO_FN_MMCD0_0, NULL);
1122 gpio_request(GPIO_FN_MMCD0_1, NULL);
1123 gpio_request(GPIO_FN_MMCD0_2, NULL);
1124 gpio_request(GPIO_FN_MMCD0_3, NULL);
1125 gpio_request(GPIO_FN_MMCD0_4, NULL);
1126 gpio_request(GPIO_FN_MMCD0_5, NULL);
1127 gpio_request(GPIO_FN_MMCD0_6, NULL);
1128 gpio_request(GPIO_FN_MMCD0_7, NULL);
1129 gpio_request(GPIO_FN_MMCCMD0, NULL);
1130 gpio_request(GPIO_FN_MMCCLK0, NULL);
1133 gpio_request(GPIO_FN_VBUS0_1, NULL);
1134 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1135 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1136 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1137 gpio_request(GPIO_FN_EXTLP_1, NULL);
1138 gpio_request(GPIO_FN_OVCN2_1, NULL);
1141 __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */
1143 /* enable FSI2 port A (ak4643) */
1144 gpio_request(GPIO_FN_FSIAIBT, NULL);
1145 gpio_request(GPIO_FN_FSIAILR, NULL);
1146 gpio_request(GPIO_FN_FSIAISLD, NULL);
1147 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1148 gpio_request(GPIO_PORT161, NULL);
1149 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1151 gpio_request(GPIO_PORT9, NULL);
1152 gpio_request(GPIO_PORT10, NULL);
1153 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1154 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1156 /* card detect pin for MMC slot (CN7) */
1157 gpio_request(GPIO_PORT41, NULL);
1158 gpio_direction_input(GPIO_PORT41);
1160 /* setup FSI2 port B (HDMI) */
1161 gpio_request(GPIO_FN_FSIBCK, NULL);
1162 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1164 /* set SPU2 clock to 119.6 MHz */
1165 clk = clk_get(NULL, "spu_clk");
1167 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1172 * set irq priority, to avoid sound chopping
1173 * when NFS rootfs is used
1174 * FSI(3) > SMSC911X(2)
1176 intc_set_priority(IRQ_FSI, 3);
1178 i2c_register_board_info(0, i2c0_devices,
1179 ARRAY_SIZE(i2c0_devices));
1181 i2c_register_board_info(1, i2c1_devices,
1182 ARRAY_SIZE(i2c1_devices));
1184 #ifdef CONFIG_AP4EVB_QHD
1187 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1188 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1192 gpio_request(GPIO_FN_KEYOUT0, NULL);
1193 gpio_request(GPIO_FN_KEYOUT1, NULL);
1194 gpio_request(GPIO_FN_KEYOUT2, NULL);
1195 gpio_request(GPIO_FN_KEYOUT3, NULL);
1196 gpio_request(GPIO_FN_KEYOUT4, NULL);
1197 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1198 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1199 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1200 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1201 gpio_request(GPIO_FN_KEYIN4, NULL);
1203 /* enable TouchScreen */
1204 set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1206 tsc_device.irq = IRQ28;
1207 i2c_register_board_info(1, &tsc_device, 1);
1210 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1211 lcdc_info.ch[0].interface_type = RGB24;
1212 lcdc_info.ch[0].clock_divider = 1;
1213 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1214 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1215 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1217 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1221 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1222 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1225 gpio_request(GPIO_FN_LCDD17, NULL);
1226 gpio_request(GPIO_FN_LCDD16, NULL);
1227 gpio_request(GPIO_FN_LCDD15, NULL);
1228 gpio_request(GPIO_FN_LCDD14, NULL);
1229 gpio_request(GPIO_FN_LCDD13, NULL);
1230 gpio_request(GPIO_FN_LCDD12, NULL);
1231 gpio_request(GPIO_FN_LCDD11, NULL);
1232 gpio_request(GPIO_FN_LCDD10, NULL);
1233 gpio_request(GPIO_FN_LCDD9, NULL);
1234 gpio_request(GPIO_FN_LCDD8, NULL);
1235 gpio_request(GPIO_FN_LCDD7, NULL);
1236 gpio_request(GPIO_FN_LCDD6, NULL);
1237 gpio_request(GPIO_FN_LCDD5, NULL);
1238 gpio_request(GPIO_FN_LCDD4, NULL);
1239 gpio_request(GPIO_FN_LCDD3, NULL);
1240 gpio_request(GPIO_FN_LCDD2, NULL);
1241 gpio_request(GPIO_FN_LCDD1, NULL);
1242 gpio_request(GPIO_FN_LCDD0, NULL);
1243 gpio_request(GPIO_FN_LCDDISP, NULL);
1244 gpio_request(GPIO_FN_LCDDCK, NULL);
1246 gpio_request(GPIO_PORT189, NULL); /* backlight */
1247 gpio_direction_output(GPIO_PORT189, 1);
1249 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1250 gpio_direction_output(GPIO_PORT151, 1);
1252 lcdc_info.clock_source = LCDC_CLK_BUS;
1253 lcdc_info.ch[0].interface_type = RGB18;
1254 lcdc_info.ch[0].clock_divider = 2;
1255 lcdc_info.ch[0].flags = 0;
1256 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1257 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1259 /* enable TouchScreen */
1260 set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1262 tsc_device.irq = IRQ7;
1263 i2c_register_board_info(0, &tsc_device, 1);
1264 #endif /* CONFIG_AP4EVB_QHD */
1269 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1273 /* MIPI-CSI stuff */
1274 gpio_request(GPIO_FN_VIO_CKO, NULL);
1276 clk = clk_get(NULL, "vck1_clk");
1278 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1283 sh7372_add_standard_devices();
1286 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1287 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1289 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1290 #define SRCR4 0xe61580bc
1291 srcr4 = __raw_readl(SRCR4);
1292 __raw_writel(srcr4 | (1 << 13), SRCR4);
1294 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1296 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1299 static void __init ap4evb_timer_init(void)
1301 sh7372_clock_init();
1302 shmobile_timer.init();
1304 /* External clock source */
1305 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1308 static struct sys_timer ap4evb_timer = {
1309 .init = ap4evb_timer_init,
1312 MACHINE_START(AP4EVB, "ap4evb")
1313 .map_io = ap4evb_map_io,
1314 .init_irq = sh7372_init_irq,
1315 .init_machine = ap4evb_init,
1316 .timer = &ap4evb_timer,