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/dma-mapping.h>
47 #include <media/sh_mobile_ceu.h>
48 #include <media/sh_mobile_csi2.h>
49 #include <media/soc_camera.h>
51 #include <sound/sh_fsi.h>
53 #include <video/sh_mobile_hdmi.h>
54 #include <video/sh_mobile_lcdc.h>
55 #include <video/sh_mipi_dsi.h>
57 #include <mach/common.h>
58 #include <mach/irqs.h>
59 #include <mach/sh7372.h>
61 #include <asm/mach-types.h>
62 #include <asm/mach/arch.h>
63 #include <asm/mach/map.h>
64 #include <asm/mach/time.h>
65 #include <asm/setup.h>
68 * Address Interface BusWidth note
69 * ------------------------------------------------------------------
70 * 0x0000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = ON
71 * 0x0800_0000 user area -
72 * 0x1000_0000 NOR Flash ROM (MCP) 16bit SW7 : bit1 = OFF
73 * 0x1400_0000 Ether (LAN9220) 16bit
74 * 0x1600_0000 user area - cannot use with NAND
75 * 0x1800_0000 user area -
77 * 0x4000_0000 LPDDR2-SDRAM (POP) 32bit
83 * SW1 | SW2 | SW7 | NOR Flash ROM
84 * bit1 | bit1 bit2 | bit1 | Memory allocation
85 * ------+------------+------+------------------
86 * OFF | ON OFF | ON | Area 0
87 * OFF | ON OFF | OFF | Area 4
93 * SW1 | SW2 | SW7 | NAND Flash ROM
94 * bit1 | bit1 bit2 | bit2 | Memory allocation
95 * ------+------------+------+------------------
96 * OFF | ON OFF | ON | FCE 0
97 * OFF | ON OFF | OFF | FCE 1
104 * -----------------------
110 * LCD / IRQ / KEYSC / IrDA
112 * IRQ = IRQ26 (TS), IRQ27 (VIO), IRQ28 (QHD-TouchScreen)
113 * LCD = 2nd LCDC (WVGA)
117 * -------------+-----------------------+---------------+
118 * ON | KEY / IrDA | LCD |
119 * OFF | KEY / IrDA / IRQ | IRQ |
124 * You can choice display type on menuconfig.
125 * Then, check above dip-switch.
131 * J7 : 1-2 MAX3355E VBUS
140 * SW41 : ON : SH-Mobile AP4 Audio Mode
141 * : OFF : Bluetooth Audio Mode
147 * J22 : select card voltage
152 * | bit1 | bit2 | bit3 | bit4
153 * ------------+------+------+------+-------
154 * MMC0 OFF | OFF | ON | ON | X
155 * SDHI1 OFF | ON | X | OFF | ON
163 static struct mtd_partition nor_flash_partitions[] = {
166 .offset = 0x00000000,
168 .mask_flags = MTD_WRITEABLE,
172 .offset = MTDPART_OFS_APPEND,
174 .mask_flags = MTD_WRITEABLE,
178 .offset = MTDPART_OFS_APPEND,
179 .size = 8 * 1024 * 1024,
180 .mask_flags = MTD_WRITEABLE,
184 .offset = MTDPART_OFS_APPEND,
185 .size = 8 * 1024 * 1024,
189 .offset = MTDPART_OFS_APPEND,
190 .size = MTDPART_SIZ_FULL,
194 static struct physmap_flash_data nor_flash_data = {
196 .parts = nor_flash_partitions,
197 .nr_parts = ARRAY_SIZE(nor_flash_partitions),
200 static struct resource nor_flash_resources[] = {
203 .end = 0x08000000 - 1,
204 .flags = IORESOURCE_MEM,
208 static struct platform_device nor_flash_device = {
209 .name = "physmap-flash",
211 .platform_data = &nor_flash_data,
213 .num_resources = ARRAY_SIZE(nor_flash_resources),
214 .resource = nor_flash_resources,
218 static struct resource smc911x_resources[] = {
221 .end = 0x16000000 - 1,
222 .flags = IORESOURCE_MEM,
224 .start = evt2irq(0x02c0) /* IRQ6A */,
225 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
229 static struct smsc911x_platform_config smsc911x_info = {
230 .flags = SMSC911X_USE_16BIT | SMSC911X_SAVE_MAC_ADDRESS,
231 .irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
232 .irq_type = SMSC911X_IRQ_TYPE_PUSH_PULL,
235 static struct platform_device smc911x_device = {
238 .num_resources = ARRAY_SIZE(smc911x_resources),
239 .resource = smc911x_resources,
241 .platform_data = &smsc911x_info,
246 * The card detect pin of the top SD/MMC slot (CN7) is active low and is
247 * connected to GPIO A22 of SH7372 (GPIO_PORT41).
249 static int slot_cn7_get_cd(struct platform_device *pdev)
251 return !gpio_get_value(GPIO_PORT41);
254 static struct sh_mobile_meram_info meram_info = {
255 .addr_mode = SH_MOBILE_MERAM_MODE1,
258 static struct resource meram_resources[] = {
263 .flags = IORESOURCE_MEM,
267 static struct platform_device meram_device = {
268 .name = "sh_mobile_meram",
270 .num_resources = ARRAY_SIZE(meram_resources),
271 .resource = meram_resources,
273 .platform_data = &meram_info,
278 static struct resource sh_mmcif_resources[] = {
283 .flags = IORESOURCE_MEM,
287 .start = evt2irq(0x1ac0),
288 .flags = IORESOURCE_IRQ,
292 .start = evt2irq(0x1ae0),
293 .flags = IORESOURCE_IRQ,
297 static struct sh_mmcif_dma sh_mmcif_dma = {
299 .slave_id = SHDMA_SLAVE_MMCIF_RX,
302 .slave_id = SHDMA_SLAVE_MMCIF_TX,
306 static struct sh_mmcif_plat_data sh_mmcif_plat = {
308 .ocr = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
309 .caps = MMC_CAP_4_BIT_DATA |
312 .get_cd = slot_cn7_get_cd,
313 .dma = &sh_mmcif_dma,
316 static struct platform_device sh_mmcif_device = {
321 .coherent_dma_mask = 0xffffffff,
322 .platform_data = &sh_mmcif_plat,
324 .num_resources = ARRAY_SIZE(sh_mmcif_resources),
325 .resource = sh_mmcif_resources,
329 static struct sh_mobile_sdhi_info sdhi0_info = {
330 .dma_slave_tx = SHDMA_SLAVE_SDHI0_TX,
331 .dma_slave_rx = SHDMA_SLAVE_SDHI0_RX,
332 .tmio_caps = MMC_CAP_SDIO_IRQ,
335 static struct resource sdhi0_resources[] = {
340 .flags = IORESOURCE_MEM,
343 .start = evt2irq(0x0e00) /* SDHI0_SDHI0I0 */,
344 .flags = IORESOURCE_IRQ,
347 .start = evt2irq(0x0e20) /* SDHI0_SDHI0I1 */,
348 .flags = IORESOURCE_IRQ,
351 .start = evt2irq(0x0e40) /* SDHI0_SDHI0I2 */,
352 .flags = IORESOURCE_IRQ,
356 static struct platform_device sdhi0_device = {
357 .name = "sh_mobile_sdhi",
358 .num_resources = ARRAY_SIZE(sdhi0_resources),
359 .resource = sdhi0_resources,
362 .platform_data = &sdhi0_info,
367 static struct sh_mobile_sdhi_info sdhi1_info = {
368 .dma_slave_tx = SHDMA_SLAVE_SDHI1_TX,
369 .dma_slave_rx = SHDMA_SLAVE_SDHI1_RX,
370 .tmio_ocr_mask = MMC_VDD_165_195,
371 .tmio_flags = TMIO_MMC_WRPROTECT_DISABLE,
372 .tmio_caps = MMC_CAP_NEEDS_POLL | MMC_CAP_SDIO_IRQ,
373 .get_cd = slot_cn7_get_cd,
376 static struct resource sdhi1_resources[] = {
381 .flags = IORESOURCE_MEM,
384 .start = evt2irq(0x0e80), /* SDHI1_SDHI1I0 */
385 .flags = IORESOURCE_IRQ,
388 .start = evt2irq(0x0ea0), /* SDHI1_SDHI1I1 */
389 .flags = IORESOURCE_IRQ,
392 .start = evt2irq(0x0ec0), /* SDHI1_SDHI1I2 */
393 .flags = IORESOURCE_IRQ,
397 static struct platform_device sdhi1_device = {
398 .name = "sh_mobile_sdhi",
399 .num_resources = ARRAY_SIZE(sdhi1_resources),
400 .resource = sdhi1_resources,
403 .platform_data = &sdhi1_info,
408 static void usb1_host_port_power(int port, int power)
410 if (!power) /* only power-on supported for now */
413 /* set VBOUT/PWEN and EXTLP1 in DVSTCTR */
414 __raw_writew(__raw_readw(0xE68B0008) | 0x600, 0xE68B0008);
417 static struct r8a66597_platdata usb1_host_data = {
419 .port_power = usb1_host_port_power,
422 static struct resource usb1_host_resources[] = {
426 .end = 0xE68B00E6 - 1,
427 .flags = IORESOURCE_MEM,
430 .start = evt2irq(0x1ce0) /* USB1_USB1I0 */,
431 .flags = IORESOURCE_IRQ,
435 static struct platform_device usb1_host_device = {
436 .name = "r8a66597_hcd",
439 .dma_mask = NULL, /* not use dma */
440 .coherent_dma_mask = 0xffffffff,
441 .platform_data = &usb1_host_data,
443 .num_resources = ARRAY_SIZE(usb1_host_resources),
444 .resource = usb1_host_resources,
447 static const struct fb_videomode ap4evb_lcdc_modes[] = {
449 #ifdef CONFIG_AP4EVB_QHD
450 .name = "R63302(QHD)",
459 .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_HOR_HIGH_ACT,
461 .name = "WVGA Panel",
474 static struct sh_mobile_meram_cfg lcd_meram_cfg = {
484 .meram_offset = 0x40,
489 static struct sh_mobile_lcdc_info lcdc_info = {
490 .meram_dev = &meram_info,
492 .chan = LCDC_CHAN_MAINLCD,
494 .lcd_cfg = ap4evb_lcdc_modes,
495 .num_cfg = ARRAY_SIZE(ap4evb_lcdc_modes),
496 .meram_cfg = &lcd_meram_cfg,
500 static struct resource lcdc_resources[] = {
503 .start = 0xfe940000, /* P4-only space */
505 .flags = IORESOURCE_MEM,
508 .start = intcs_evt2irq(0x580),
509 .flags = IORESOURCE_IRQ,
513 static struct platform_device lcdc_device = {
514 .name = "sh_mobile_lcdc_fb",
515 .num_resources = ARRAY_SIZE(lcdc_resources),
516 .resource = lcdc_resources,
518 .platform_data = &lcdc_info,
519 .coherent_dma_mask = ~0,
526 #ifdef CONFIG_AP4EVB_QHD
528 /* KEYSC (Needs SW43 set to ON) */
529 static struct sh_keysc_info keysc_info = {
530 .mode = SH_KEYSC_MODE_1,
534 KEY_0, KEY_1, KEY_2, KEY_3, KEY_4,
535 KEY_5, KEY_6, KEY_7, KEY_8, KEY_9,
536 KEY_A, KEY_B, KEY_C, KEY_D, KEY_E,
537 KEY_F, KEY_G, KEY_H, KEY_I, KEY_J,
538 KEY_K, KEY_L, KEY_M, KEY_N, KEY_O,
542 static struct resource keysc_resources[] = {
547 .flags = IORESOURCE_MEM,
550 .start = evt2irq(0x0be0), /* KEYSC_KEY */
551 .flags = IORESOURCE_IRQ,
555 static struct platform_device keysc_device = {
557 .id = 0, /* "keysc0" clock */
558 .num_resources = ARRAY_SIZE(keysc_resources),
559 .resource = keysc_resources,
561 .platform_data = &keysc_info,
566 static struct resource mipidsi0_resources[] = {
570 .flags = IORESOURCE_MEM,
575 .flags = IORESOURCE_MEM,
579 static struct sh_mipi_dsi_info mipidsi0_info = {
580 .data_format = MIPI_RGB888,
581 .lcd_chan = &lcdc_info.ch[0],
585 static struct platform_device mipidsi0_device = {
586 .name = "sh-mipi-dsi",
587 .num_resources = ARRAY_SIZE(mipidsi0_resources),
588 .resource = mipidsi0_resources,
591 .platform_data = &mipidsi0_info,
595 static struct platform_device *qhd_devices[] __initdata = {
599 #endif /* CONFIG_AP4EVB_QHD */
602 #define IRQ_FSI evt2irq(0x1840)
603 static int __fsi_set_rate(struct clk *clk, long rate, int enable)
611 ret = clk_set_rate(clk, rate);
613 ret = clk_enable(clk);
621 static int __fsi_set_round_rate(struct clk *clk, long rate, int enable)
623 return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable);
626 static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable)
628 struct clk *fsia_ick;
632 fsia_ick = clk_get(dev, "icka");
633 if (IS_ERR(fsia_ick))
634 return PTR_ERR(fsia_ick);
637 * FSIACK is connected to AK4642,
638 * and use external clock pin from it.
639 * it is parent of fsia_ick now.
641 fsiack = clk_get_parent(fsia_ick);
646 * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick
649 * Because the freq_table of external clk (fsiack) are all 0,
650 * the return value of clk_round_rate became 0.
651 * So, it use __fsi_set_rate here.
653 ret = __fsi_set_rate(fsiack, rate, enable);
657 ret = __fsi_set_round_rate(fsia_ick, rate, enable);
658 if ((ret < 0) && enable)
659 __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */
670 static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable)
672 struct clk *fsib_clk;
673 struct clk *fdiv_clk = &sh7372_fsidivb_clk;
681 fsib_rate = rate * 256;
682 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
685 fsib_rate = 85428000; /* around 48kHz x 256 x 7 */
686 fdiv_rate = rate * 256;
687 ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64;
690 pr_err("unsupported rate in FSI2 port B\n");
695 fsib_clk = clk_get(dev, "ickb");
696 if (IS_ERR(fsib_clk))
699 ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable);
701 goto fsi_set_rate_end;
703 /* FSI DIV setting */
704 ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable);
708 __fsi_set_round_rate(fsib_clk, fsib_rate, 0);
709 goto fsi_set_rate_end;
719 static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable)
724 ret = fsi_ak4642_set_rate(dev, rate, enable);
726 ret = fsi_hdmi_set_rate(dev, rate, enable);
731 static struct sh_fsi_platform_info fsi_info = {
732 .porta_flags = SH_FSI_BRS_INV,
734 .portb_flags = SH_FSI_BRS_INV |
738 .set_rate = fsi_set_rate,
741 static struct resource fsi_resources[] = {
745 .end = 0xFE3C0400 - 1,
746 .flags = IORESOURCE_MEM,
750 .flags = IORESOURCE_IRQ,
754 static struct platform_device fsi_device = {
757 .num_resources = ARRAY_SIZE(fsi_resources),
758 .resource = fsi_resources,
760 .platform_data = &fsi_info,
764 static struct platform_device fsi_ak4643_device = {
765 .name = "sh_fsi2_a_ak4643",
767 static struct sh_mobile_meram_cfg hdmi_meram_cfg = {
771 .meram_offset = 0x80,
777 .meram_offset = 0x180,
782 static struct sh_mobile_lcdc_info sh_mobile_lcdc1_info = {
783 .clock_source = LCDC_CLK_EXTERNAL,
784 .meram_dev = &meram_info,
786 .chan = LCDC_CHAN_MAINLCD,
788 .interface_type = RGB24,
790 .flags = LCDC_FLAGS_DWPOL,
791 .meram_cfg = &hdmi_meram_cfg,
795 static struct resource lcdc1_resources[] = {
800 .flags = IORESOURCE_MEM,
803 .start = intcs_evt2irq(0x1780),
804 .flags = IORESOURCE_IRQ,
808 static struct platform_device lcdc1_device = {
809 .name = "sh_mobile_lcdc_fb",
810 .num_resources = ARRAY_SIZE(lcdc1_resources),
811 .resource = lcdc1_resources,
814 .platform_data = &sh_mobile_lcdc1_info,
815 .coherent_dma_mask = ~0,
819 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
820 unsigned long *parent_freq);
823 static struct sh_mobile_hdmi_info hdmi_info = {
824 .lcd_chan = &sh_mobile_lcdc1_info.ch[0],
825 .lcd_dev = &lcdc1_device.dev,
826 .flags = HDMI_SND_SRC_SPDIF,
827 .clk_optimize_parent = ap4evb_clk_optimize,
830 static struct resource hdmi_resources[] = {
835 .flags = IORESOURCE_MEM,
838 /* There's also an HDMI interrupt on INTCS @ 0x18e0 */
839 .start = evt2irq(0x17e0),
840 .flags = IORESOURCE_IRQ,
844 static struct platform_device hdmi_device = {
845 .name = "sh-mobile-hdmi",
846 .num_resources = ARRAY_SIZE(hdmi_resources),
847 .resource = hdmi_resources,
850 .platform_data = &hdmi_info,
854 static struct platform_device fsi_hdmi_device = {
855 .name = "sh_fsi2_b_hdmi",
858 static long ap4evb_clk_optimize(unsigned long target, unsigned long *best_freq,
859 unsigned long *parent_freq)
861 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
864 if (IS_ERR(hdmi_ick)) {
865 int ret = PTR_ERR(hdmi_ick);
866 pr_err("Cannot get HDMI ICK: %d\n", ret);
870 error = clk_round_parent(hdmi_ick, target, best_freq, parent_freq, 1, 64);
877 static struct gpio_led ap4evb_leds[] = {
880 .gpio = GPIO_PORT185,
881 .default_state = LEDS_GPIO_DEFSTATE_ON,
885 .gpio = GPIO_PORT186,
886 .default_state = LEDS_GPIO_DEFSTATE_ON,
890 .gpio = GPIO_PORT187,
891 .default_state = LEDS_GPIO_DEFSTATE_ON,
895 .gpio = GPIO_PORT188,
896 .default_state = LEDS_GPIO_DEFSTATE_ON,
900 static struct gpio_led_platform_data ap4evb_leds_pdata = {
901 .num_leds = ARRAY_SIZE(ap4evb_leds),
905 static struct platform_device leds_device = {
909 .platform_data = &ap4evb_leds_pdata,
913 static struct i2c_board_info imx074_info = {
914 I2C_BOARD_INFO("imx074", 0x1a),
917 static struct soc_camera_link imx074_link = {
919 .board_info = &imx074_info,
921 .module_name = "imx074",
924 static struct platform_device ap4evb_camera = {
925 .name = "soc-camera-pdrv",
928 .platform_data = &imx074_link,
932 static struct sh_csi2_client_config csi2_clients[] = {
934 .phy = SH_CSI2_PHY_MAIN,
937 .pdev = &ap4evb_camera,
941 static struct sh_csi2_pdata csi2_info = {
943 .clients = csi2_clients,
944 .num_clients = ARRAY_SIZE(csi2_clients),
945 .flags = SH_CSI2_ECC | SH_CSI2_CRC,
948 static struct resource csi2_resources[] = {
953 .flags = IORESOURCE_MEM,
956 .start = intcs_evt2irq(0x17a0),
957 .flags = IORESOURCE_IRQ,
961 static struct sh_mobile_ceu_companion csi2 = {
963 .num_resources = ARRAY_SIZE(csi2_resources),
964 .resource = csi2_resources,
965 .platform_data = &csi2_info,
968 static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
969 .flags = SH_CEU_FLAG_USE_8BIT_BUS,
973 static struct resource ceu_resources[] = {
978 .flags = IORESOURCE_MEM,
981 .start = intcs_evt2irq(0x880),
982 .flags = IORESOURCE_IRQ,
985 /* place holder for contiguous memory */
989 static struct platform_device ceu_device = {
990 .name = "sh_mobile_ceu",
991 .id = 0, /* "ceu0" clock */
992 .num_resources = ARRAY_SIZE(ceu_resources),
993 .resource = ceu_resources,
995 .platform_data = &sh_mobile_ceu_info,
996 .coherent_dma_mask = 0xffffffff,
1000 static struct platform_device *ap4evb_devices[] __initdata = {
1019 static void __init hdmi_init_pm_clock(void)
1021 struct clk *hdmi_ick = clk_get(&hdmi_device.dev, "ick");
1025 if (IS_ERR(hdmi_ick)) {
1026 ret = PTR_ERR(hdmi_ick);
1027 pr_err("Cannot get HDMI ICK: %d\n", ret);
1031 ret = clk_set_parent(&sh7372_pllc2_clk, &sh7372_dv_clki_div2_clk);
1033 pr_err("Cannot set PLLC2 parent: %d, %d users\n", ret, sh7372_pllc2_clk.usecount);
1037 pr_debug("PLLC2 initial frequency %lu\n", clk_get_rate(&sh7372_pllc2_clk));
1039 rate = clk_round_rate(&sh7372_pllc2_clk, 594000000);
1041 pr_err("Cannot get suitable rate: %ld\n", rate);
1046 ret = clk_set_rate(&sh7372_pllc2_clk, rate);
1048 pr_err("Cannot set rate %ld: %d\n", rate, ret);
1052 pr_debug("PLLC2 set frequency %lu\n", rate);
1054 ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk);
1056 pr_err("Cannot set HDMI parent: %d\n", ret);
1059 if (!IS_ERR(hdmi_ick))
1063 static void __init fsi_init_pm_clock(void)
1065 struct clk *fsia_ick;
1068 fsia_ick = clk_get(&fsi_device.dev, "icka");
1069 if (IS_ERR(fsia_ick)) {
1070 ret = PTR_ERR(fsia_ick);
1071 pr_err("Cannot get FSI ICK: %d\n", ret);
1075 ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk);
1077 pr_err("Cannot set FSI-A parent: %d\n", ret);
1088 * current gpio frame work doesn't have
1089 * the method to control only pull up/down/free.
1090 * this function should be replaced by correct gpio function
1092 static void __init gpio_no_direction(u32 addr)
1094 __raw_writeb(0x00, addr);
1098 #ifdef CONFIG_AP4EVB_QHD
1099 # define GPIO_TSC_IRQ GPIO_FN_IRQ28_123
1100 # define GPIO_TSC_PORT GPIO_PORT123
1102 # define GPIO_TSC_IRQ GPIO_FN_IRQ7_40
1103 # define GPIO_TSC_PORT GPIO_PORT40
1106 #define IRQ28 evt2irq(0x3380) /* IRQ28A */
1107 #define IRQ7 evt2irq(0x02e0) /* IRQ7A */
1108 static int ts_get_pendown_state(void)
1112 gpio_free(GPIO_TSC_IRQ);
1114 gpio_request(GPIO_TSC_PORT, NULL);
1116 gpio_direction_input(GPIO_TSC_PORT);
1118 val = gpio_get_value(GPIO_TSC_PORT);
1120 gpio_request(GPIO_TSC_IRQ, NULL);
1125 static int ts_init(void)
1127 gpio_request(GPIO_TSC_IRQ, NULL);
1132 static struct tsc2007_platform_data tsc2007_info = {
1134 .x_plate_ohms = 180,
1135 .get_pendown_state = ts_get_pendown_state,
1136 .init_platform_hw = ts_init,
1139 static struct i2c_board_info tsc_device = {
1140 I2C_BOARD_INFO("tsc2007", 0x48),
1142 .platform_data = &tsc2007_info,
1143 /*.irq is selected on ap4evb_init */
1147 static struct i2c_board_info i2c0_devices[] = {
1149 I2C_BOARD_INFO("ak4643", 0x13),
1153 static struct i2c_board_info i2c1_devices[] = {
1155 I2C_BOARD_INFO("r2025sd", 0x32),
1159 static struct map_desc ap4evb_io_desc[] __initdata = {
1160 /* create a 1:1 entity map for 0xe6xxxxxx
1161 * used by CPGA, INTC and PFC.
1164 .virtual = 0xe6000000,
1165 .pfn = __phys_to_pfn(0xe6000000),
1166 .length = 256 << 20,
1167 .type = MT_DEVICE_NONSHARED
1171 static void __init ap4evb_map_io(void)
1173 iotable_init(ap4evb_io_desc, ARRAY_SIZE(ap4evb_io_desc));
1174 /* DMA memory at 0xf6000000 - 0xffdfffff */
1175 init_consistent_dma_size(158 << 20);
1177 /* setup early devices and console here as well */
1178 sh7372_add_early_devices();
1179 shmobile_setup_console();
1182 #define GPIO_PORT9CR 0xE6051009
1183 #define GPIO_PORT10CR 0xE605100A
1184 #define USCCR1 0xE6058144
1185 static void __init ap4evb_init(void)
1190 sh7372_pinmux_init();
1193 gpio_request(GPIO_FN_SCIFA0_TXD, NULL);
1194 gpio_request(GPIO_FN_SCIFA0_RXD, NULL);
1196 /* enable SMSC911X */
1197 gpio_request(GPIO_FN_CS5A, NULL);
1198 gpio_request(GPIO_FN_IRQ6_39, NULL);
1200 /* enable Debug switch (S6) */
1201 gpio_request(GPIO_PORT32, NULL);
1202 gpio_request(GPIO_PORT33, NULL);
1203 gpio_request(GPIO_PORT34, NULL);
1204 gpio_request(GPIO_PORT35, NULL);
1205 gpio_direction_input(GPIO_PORT32);
1206 gpio_direction_input(GPIO_PORT33);
1207 gpio_direction_input(GPIO_PORT34);
1208 gpio_direction_input(GPIO_PORT35);
1209 gpio_export(GPIO_PORT32, 0);
1210 gpio_export(GPIO_PORT33, 0);
1211 gpio_export(GPIO_PORT34, 0);
1212 gpio_export(GPIO_PORT35, 0);
1215 gpio_request(GPIO_FN_SDHICD0, NULL);
1216 gpio_request(GPIO_FN_SDHIWP0, NULL);
1217 gpio_request(GPIO_FN_SDHICMD0, NULL);
1218 gpio_request(GPIO_FN_SDHICLK0, NULL);
1219 gpio_request(GPIO_FN_SDHID0_3, NULL);
1220 gpio_request(GPIO_FN_SDHID0_2, NULL);
1221 gpio_request(GPIO_FN_SDHID0_1, NULL);
1222 gpio_request(GPIO_FN_SDHID0_0, NULL);
1225 gpio_request(GPIO_FN_SDHICMD1, NULL);
1226 gpio_request(GPIO_FN_SDHICLK1, NULL);
1227 gpio_request(GPIO_FN_SDHID1_3, NULL);
1228 gpio_request(GPIO_FN_SDHID1_2, NULL);
1229 gpio_request(GPIO_FN_SDHID1_1, NULL);
1230 gpio_request(GPIO_FN_SDHID1_0, NULL);
1233 gpio_request(GPIO_FN_MMCD0_0, NULL);
1234 gpio_request(GPIO_FN_MMCD0_1, NULL);
1235 gpio_request(GPIO_FN_MMCD0_2, NULL);
1236 gpio_request(GPIO_FN_MMCD0_3, NULL);
1237 gpio_request(GPIO_FN_MMCD0_4, NULL);
1238 gpio_request(GPIO_FN_MMCD0_5, NULL);
1239 gpio_request(GPIO_FN_MMCD0_6, NULL);
1240 gpio_request(GPIO_FN_MMCD0_7, NULL);
1241 gpio_request(GPIO_FN_MMCCMD0, NULL);
1242 gpio_request(GPIO_FN_MMCCLK0, NULL);
1245 gpio_request(GPIO_FN_VBUS0_1, NULL);
1246 gpio_request(GPIO_FN_IDIN_1_18, NULL);
1247 gpio_request(GPIO_FN_PWEN_1_115, NULL);
1248 gpio_request(GPIO_FN_OVCN_1_114, NULL);
1249 gpio_request(GPIO_FN_EXTLP_1, NULL);
1250 gpio_request(GPIO_FN_OVCN2_1, NULL);
1253 __raw_writew(0x8a0a, 0xE6058130); /* USBCR4 */
1255 /* enable FSI2 port A (ak4643) */
1256 gpio_request(GPIO_FN_FSIAIBT, NULL);
1257 gpio_request(GPIO_FN_FSIAILR, NULL);
1258 gpio_request(GPIO_FN_FSIAISLD, NULL);
1259 gpio_request(GPIO_FN_FSIAOSLD, NULL);
1260 gpio_request(GPIO_PORT161, NULL);
1261 gpio_direction_output(GPIO_PORT161, 0); /* slave */
1263 gpio_request(GPIO_PORT9, NULL);
1264 gpio_request(GPIO_PORT10, NULL);
1265 gpio_no_direction(GPIO_PORT9CR); /* FSIAOBT needs no direction */
1266 gpio_no_direction(GPIO_PORT10CR); /* FSIAOLR needs no direction */
1268 /* card detect pin for MMC slot (CN7) */
1269 gpio_request(GPIO_PORT41, NULL);
1270 gpio_direction_input(GPIO_PORT41);
1272 /* setup FSI2 port B (HDMI) */
1273 gpio_request(GPIO_FN_FSIBCK, NULL);
1274 __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */
1276 /* set SPU2 clock to 119.6 MHz */
1277 clk = clk_get(NULL, "spu_clk");
1279 clk_set_rate(clk, clk_round_rate(clk, 119600000));
1284 * set irq priority, to avoid sound chopping
1285 * when NFS rootfs is used
1286 * FSI(3) > SMSC911X(2)
1288 intc_set_priority(IRQ_FSI, 3);
1290 i2c_register_board_info(0, i2c0_devices,
1291 ARRAY_SIZE(i2c0_devices));
1293 i2c_register_board_info(1, i2c1_devices,
1294 ARRAY_SIZE(i2c1_devices));
1296 #ifdef CONFIG_AP4EVB_QHD
1299 * For QHD Panel (MIPI-DSI, CONFIG_AP4EVB_QHD=y) and
1300 * IRQ28 for Touch Panel, set dip switches S3, S43 as OFF, ON.
1304 gpio_request(GPIO_FN_KEYOUT0, NULL);
1305 gpio_request(GPIO_FN_KEYOUT1, NULL);
1306 gpio_request(GPIO_FN_KEYOUT2, NULL);
1307 gpio_request(GPIO_FN_KEYOUT3, NULL);
1308 gpio_request(GPIO_FN_KEYOUT4, NULL);
1309 gpio_request(GPIO_FN_KEYIN0_136, NULL);
1310 gpio_request(GPIO_FN_KEYIN1_135, NULL);
1311 gpio_request(GPIO_FN_KEYIN2_134, NULL);
1312 gpio_request(GPIO_FN_KEYIN3_133, NULL);
1313 gpio_request(GPIO_FN_KEYIN4, NULL);
1315 /* enable TouchScreen */
1316 irq_set_irq_type(IRQ28, IRQ_TYPE_LEVEL_LOW);
1318 tsc_device.irq = IRQ28;
1319 i2c_register_board_info(1, &tsc_device, 1);
1322 lcdc_info.clock_source = LCDC_CLK_PERIPHERAL;
1323 lcdc_info.ch[0].interface_type = RGB24;
1324 lcdc_info.ch[0].clock_divider = 1;
1325 lcdc_info.ch[0].flags = LCDC_FLAGS_DWPOL;
1326 lcdc_info.ch[0].lcd_size_cfg.width = 44;
1327 lcdc_info.ch[0].lcd_size_cfg.height = 79;
1329 platform_add_devices(qhd_devices, ARRAY_SIZE(qhd_devices));
1333 * For WVGA Panel (18-bit RGB, CONFIG_AP4EVB_WVGA=y) and
1334 * IRQ7 for Touch Panel, set dip switches S3, S43 to ON, OFF.
1337 gpio_request(GPIO_FN_LCDD17, NULL);
1338 gpio_request(GPIO_FN_LCDD16, NULL);
1339 gpio_request(GPIO_FN_LCDD15, NULL);
1340 gpio_request(GPIO_FN_LCDD14, NULL);
1341 gpio_request(GPIO_FN_LCDD13, NULL);
1342 gpio_request(GPIO_FN_LCDD12, NULL);
1343 gpio_request(GPIO_FN_LCDD11, NULL);
1344 gpio_request(GPIO_FN_LCDD10, NULL);
1345 gpio_request(GPIO_FN_LCDD9, NULL);
1346 gpio_request(GPIO_FN_LCDD8, NULL);
1347 gpio_request(GPIO_FN_LCDD7, NULL);
1348 gpio_request(GPIO_FN_LCDD6, NULL);
1349 gpio_request(GPIO_FN_LCDD5, NULL);
1350 gpio_request(GPIO_FN_LCDD4, NULL);
1351 gpio_request(GPIO_FN_LCDD3, NULL);
1352 gpio_request(GPIO_FN_LCDD2, NULL);
1353 gpio_request(GPIO_FN_LCDD1, NULL);
1354 gpio_request(GPIO_FN_LCDD0, NULL);
1355 gpio_request(GPIO_FN_LCDDISP, NULL);
1356 gpio_request(GPIO_FN_LCDDCK, NULL);
1358 gpio_request(GPIO_PORT189, NULL); /* backlight */
1359 gpio_direction_output(GPIO_PORT189, 1);
1361 gpio_request(GPIO_PORT151, NULL); /* LCDDON */
1362 gpio_direction_output(GPIO_PORT151, 1);
1364 lcdc_info.clock_source = LCDC_CLK_BUS;
1365 lcdc_info.ch[0].interface_type = RGB18;
1366 lcdc_info.ch[0].clock_divider = 3;
1367 lcdc_info.ch[0].flags = 0;
1368 lcdc_info.ch[0].lcd_size_cfg.width = 152;
1369 lcdc_info.ch[0].lcd_size_cfg.height = 91;
1371 /* enable TouchScreen */
1372 irq_set_irq_type(IRQ7, IRQ_TYPE_LEVEL_LOW);
1374 tsc_device.irq = IRQ7;
1375 i2c_register_board_info(0, &tsc_device, 1);
1376 #endif /* CONFIG_AP4EVB_QHD */
1381 * TODO: reserve memory for V4L2 DMA buffers, when a suitable API
1385 /* MIPI-CSI stuff */
1386 gpio_request(GPIO_FN_VIO_CKO, NULL);
1388 clk = clk_get(NULL, "vck1_clk");
1390 clk_set_rate(clk, clk_round_rate(clk, 13000000));
1395 sh7372_add_standard_devices();
1398 gpio_request(GPIO_FN_HDMI_HPD, NULL);
1399 gpio_request(GPIO_FN_HDMI_CEC, NULL);
1401 /* Reset HDMI, must be held at least one EXTALR (32768Hz) period */
1402 #define SRCR4 0xe61580bc
1403 srcr4 = __raw_readl(SRCR4);
1404 __raw_writel(srcr4 | (1 << 13), SRCR4);
1406 __raw_writel(srcr4 & ~(1 << 13), SRCR4);
1408 platform_add_devices(ap4evb_devices, ARRAY_SIZE(ap4evb_devices));
1410 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc1_device);
1411 sh7372_add_device_to_domain(&sh7372_a4lc, &lcdc_device);
1412 sh7372_add_device_to_domain(&sh7372_a4mp, &fsi_device);
1414 hdmi_init_pm_clock();
1415 fsi_init_pm_clock();
1417 pm_clk_add(&fsi_device.dev, "spu2");
1418 pm_clk_add(&lcdc1_device.dev, "hdmi");
1421 static void __init ap4evb_timer_init(void)
1423 sh7372_clock_init();
1424 shmobile_timer.init();
1426 /* External clock source */
1427 clk_set_rate(&sh7372_dv_clki_clk, 27000000);
1430 static struct sys_timer ap4evb_timer = {
1431 .init = ap4evb_timer_init,
1434 MACHINE_START(AP4EVB, "ap4evb")
1435 .map_io = ap4evb_map_io,
1436 .init_irq = sh7372_init_irq,
1437 .handle_irq = shmobile_handle_irq_intc,
1438 .init_machine = ap4evb_init,
1439 .timer = &ap4evb_timer,