2 * linux/arch/arm/mach-omap1/board-h2.c
4 * Board specific inits for OMAP-1610 H2
6 * Copyright (C) 2001 RidgeRun, Inc.
7 * Author: Greg Lonnon <glonnon@ridgerun.com>
9 * Copyright (C) 2002 MontaVista Software, Inc.
11 * Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
12 * Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
14 * H2 specific changes and cleanup
15 * Copyright (C) 2004 Nokia Corporation by Imre Deak <imre.deak@nokia.com>
17 * This program is free software; you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License version 2 as
19 * published by the Free Software Foundation.
22 #include <linux/kernel.h>
23 #include <linux/init.h>
24 #include <linux/platform_device.h>
25 #include <linux/delay.h>
26 #include <linux/i2c.h>
27 #include <linux/mtd/mtd.h>
28 #include <linux/mtd/nand.h>
29 #include <linux/mtd/partitions.h>
30 #include <linux/input.h>
31 #include <linux/i2c/tps65010.h>
32 #include <linux/workqueue.h>
33 #include <linux/spi/spi.h>
34 #include <linux/spi/tsc2101.h>
35 #include <linux/clk.h>
37 #include <mach/hardware.h>
40 #include <asm/mach-types.h>
41 #include <asm/mach/arch.h>
42 #include <asm/mach/flash.h>
43 #include <asm/mach/map.h>
45 #include <mach/gpio.h>
46 #include <mach/gpio-switch.h>
49 #include <mach/nand.h>
50 #include <mach/irda.h>
52 #include <mach/keypad.h>
53 #include <mach/common.h>
54 #include <mach/mcbsp.h>
55 #include <mach/omap-alsa.h>
57 static int h2_keymap[] = {
96 static struct mtd_partition h2_nor_partitions[] = {
97 /* bootloader (U-Boot, etc) in first sector */
102 .mask_flags = MTD_WRITEABLE, /* force read-only */
104 /* bootloader params in the next sector */
107 .offset = MTDPART_OFS_APPEND,
114 .offset = MTDPART_OFS_APPEND,
120 .name = "filesystem",
121 .offset = MTDPART_OFS_APPEND,
122 .size = MTDPART_SIZ_FULL,
127 static struct flash_platform_data h2_nor_data = {
128 .map_name = "cfi_probe",
130 .parts = h2_nor_partitions,
131 .nr_parts = ARRAY_SIZE(h2_nor_partitions),
134 static struct resource h2_nor_resource = {
135 /* This is on CS3, wherever it's mapped */
136 .flags = IORESOURCE_MEM,
139 static struct platform_device h2_nor_device = {
143 .platform_data = &h2_nor_data,
146 .resource = &h2_nor_resource,
149 static struct mtd_partition h2_nand_partitions[] = {
151 /* REVISIT: enable these partitions if you make NAND BOOT
152 * work on your H2 (rev C or newer); published versions of
153 * x-load only support P2 and H3.
159 .mask_flags = MTD_WRITEABLE, /* force read-only */
162 .name = "bootloader",
163 .offset = MTDPART_OFS_APPEND,
165 .mask_flags = MTD_WRITEABLE, /* force read-only */
169 .offset = MTDPART_OFS_APPEND,
174 .offset = MTDPART_OFS_APPEND,
179 .name = "filesystem",
180 .size = MTDPART_SIZ_FULL,
181 .offset = MTDPART_OFS_APPEND,
185 /* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
186 static struct omap_nand_platform_data h2_nand_data = {
187 .options = NAND_SAMSUNG_LP_OPTIONS,
188 .parts = h2_nand_partitions,
189 .nr_parts = ARRAY_SIZE(h2_nand_partitions),
192 static struct resource h2_nand_resource = {
193 .flags = IORESOURCE_MEM,
196 static struct platform_device h2_nand_device = {
200 .platform_data = &h2_nand_data,
203 .resource = &h2_nand_resource,
206 static struct resource h2_smc91x_resources[] = {
208 .start = OMAP1610_ETHR_START, /* Physical */
209 .end = OMAP1610_ETHR_START + 0xf,
210 .flags = IORESOURCE_MEM,
213 .start = OMAP_GPIO_IRQ(0),
214 .end = OMAP_GPIO_IRQ(0),
215 .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
219 static struct platform_device h2_smc91x_device = {
222 .num_resources = ARRAY_SIZE(h2_smc91x_resources),
223 .resource = h2_smc91x_resources,
226 static struct resource h2_kp_resources[] = {
228 .start = INT_KEYBOARD,
230 .flags = IORESOURCE_IRQ,
234 static struct omap_kp_platform_data h2_kp_data = {
238 .keymapsize = ARRAY_SIZE(h2_keymap),
244 static struct platform_device h2_kp_device = {
245 .name = "omap-keypad",
248 .platform_data = &h2_kp_data,
250 .num_resources = ARRAY_SIZE(h2_kp_resources),
251 .resource = h2_kp_resources,
254 #define H2_IRDA_FIRSEL_GPIO_PIN 17
256 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
257 static int h2_transceiver_mode(struct device *dev, int state)
259 /* SIR when low, else MIR/FIR when HIGH */
260 gpio_set_value(H2_IRDA_FIRSEL_GPIO_PIN, !(state & IR_SIRMODE));
265 static struct omap_irda_config h2_irda_data = {
266 .transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
267 .rx_channel = OMAP_DMA_UART3_RX,
268 .tx_channel = OMAP_DMA_UART3_TX,
269 .dest_start = UART3_THR,
270 .src_start = UART3_RHR,
275 static struct resource h2_irda_resources[] = {
279 .flags = IORESOURCE_IRQ,
283 static u64 irda_dmamask = 0xffffffff;
285 static struct platform_device h2_irda_device = {
289 .platform_data = &h2_irda_data,
290 .dma_mask = &irda_dmamask,
292 .num_resources = ARRAY_SIZE(h2_irda_resources),
293 .resource = h2_irda_resources,
296 static struct platform_device h2_lcd_device = {
306 #define TSC2101_MUX_MCLK_ON R10_1610_MCLK_ON
307 #define TSC2101_MUX_MCLK_OFF R10_1610_MCLK_OFF
309 static void h2_lcd_dev_init(struct spi_device *tsc2101)
311 /* The LCD is connected to the GPIO pins of the TSC2101, so
312 * we have to tie them here. We can also register the LCD driver
313 * first only here, where we know that the TSC driver is ready.
316 h2_lcd_device.dev.platform_data = tsc2101;
317 platform_device_register(&h2_lcd_device);
320 static struct omap_mcbsp_reg_cfg mcbsp_regs = {
321 .spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
322 .spcr1 = RINTM(3) | RRST,
323 .rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
324 RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(1),
325 .rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
326 .xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
327 XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
328 .xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
330 .srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
331 .pcr0 = CLKXM | CLKRM | FSXP | FSRP | CLKXP | CLKRP,
332 /*.pcr0 = CLKXP | CLKRP,*/ /* mcbsp: slave */
335 static struct omap_alsa_codec_config alsa_config = {
336 .name = "H2 TSC2101",
337 .mcbsp_regs_alsa = &mcbsp_regs,
340 static struct platform_device h2_mcbsp1_device = {
341 .name = "omap_alsa_mcbsp",
344 .platform_data = &alsa_config,
348 static void h2_audio_dev_init(struct spi_device *tsc2101)
350 h2_mcbsp1_device.dev.platform_data = tsc2101;
351 platform_device_register(&h2_mcbsp1_device);
354 static int h2_tsc2101_init(struct spi_device *spi)
358 if (h2_tsc2101.initialized) {
359 printk(KERN_ERR "tsc2101: already initialized\n");
364 h2_tsc2101.mclk = clk_get(&spi->dev, "mclk");
365 if (IS_ERR(h2_tsc2101.mclk)) {
366 dev_err(&spi->dev, "unable to get the clock MCLK\n");
367 return PTR_ERR(h2_tsc2101.mclk);
369 if ((r = clk_set_rate(h2_tsc2101.mclk, 12000000)) < 0) {
370 dev_err(&spi->dev, "unable to set rate to the MCLK\n");
374 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
375 omap_cfg_reg(N15_1610_UWIRE_CS1);
377 h2_lcd_dev_init(spi);
378 h2_audio_dev_init(spi);
382 clk_put(h2_tsc2101.mclk);
386 static void h2_tsc2101_cleanup(struct spi_device *spi)
388 clk_put(h2_tsc2101.mclk);
389 omap_cfg_reg(TSC2101_MUX_MCLK_OFF);
392 static void h2_tsc2101_enable_mclk(struct spi_device *spi)
394 omap_cfg_reg(TSC2101_MUX_MCLK_ON);
395 clk_enable(h2_tsc2101.mclk);
398 static void h2_tsc2101_disable_mclk(struct spi_device *spi)
400 clk_disable(h2_tsc2101.mclk);
401 omap_cfg_reg(R10_1610_MCLK_OFF);
404 static struct tsc2101_platform_data h2_tsc2101_platform_data = {
405 .init = h2_tsc2101_init,
406 .cleanup = h2_tsc2101_cleanup,
407 .enable_mclk = h2_tsc2101_enable_mclk,
408 .disable_mclk = h2_tsc2101_disable_mclk,
411 static struct spi_board_info h2_spi_board_info[] __initdata = {
413 .modalias = "tsc2101",
416 .max_speed_hz = 16000000,
417 .platform_data = &h2_tsc2101_platform_data,
421 static struct platform_device *h2_devices[] __initdata = {
429 static void __init h2_init_smc91x(void)
431 if (gpio_request(0, "SMC91x irq") < 0) {
432 printk("Error requesting gpio 0 for smc91x irq\n");
437 static int tps_setup(struct i2c_client *client, void *context)
439 tps65010_config_vregs1(TPS_LDO2_ENABLE | TPS_VLDO2_3_0V |
440 TPS_LDO1_ENABLE | TPS_VLDO1_3_0V);
445 static struct tps65010_board tps_board = {
446 .base = H2_TPS_GPIO_BASE,
451 static struct i2c_board_info __initdata h2_i2c_board_info[] = {
453 I2C_BOARD_INFO("tps65010", 0x48),
454 .irq = OMAP_GPIO_IRQ(58),
455 .platform_data = &tps_board,
457 I2C_BOARD_INFO("isp1301_omap", 0x2d),
458 .irq = OMAP_GPIO_IRQ(2),
462 static void __init h2_init_irq(void)
464 omap1_init_common_hw();
470 static struct omap_usb_config h2_usb_config __initdata = {
471 /* usb1 has a Mini-AB port and external isp1301 transceiver */
474 #ifdef CONFIG_USB_GADGET_OMAP
475 .hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
476 /* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
477 #elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
478 /* needs OTG cable, or NONSTANDARD (B-to-MiniB) */
479 .hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
485 static struct omap_uart_config h2_uart_config __initdata = {
486 .enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
489 static struct omap_lcd_config h2_lcd_config __initdata = {
490 .ctrl_name = "internal",
493 static struct omap_board_config_kernel h2_config[] __initdata = {
494 { OMAP_TAG_USB, &h2_usb_config },
495 { OMAP_TAG_UART, &h2_uart_config },
496 { OMAP_TAG_LCD, &h2_lcd_config },
499 #define H2_NAND_RB_GPIO_PIN 62
501 static int h2_nand_dev_ready(struct omap_nand_platform_data *data)
503 return gpio_get_value(H2_NAND_RB_GPIO_PIN);
506 static void __init h2_init(void)
508 /* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
509 * to address 0 by a dip switch), NAND on CS2B. The NAND driver will
510 * notice whether a NAND chip is enabled at probe time.
512 * FIXME revC boards (and H3) support NAND-boot, with a dip switch to
513 * put NOR on CS2B and NAND (which on H2 may be 16bit) on CS3. Try
514 * detecting that in code here, to avoid probing every possible flash
517 h2_nor_resource.end = h2_nor_resource.start = omap_cs3_phys();
518 h2_nor_resource.end += SZ_32M - 1;
520 h2_nand_resource.end = h2_nand_resource.start = OMAP_CS2B_PHYS;
521 h2_nand_resource.end += SZ_4K - 1;
522 if (gpio_request(H2_NAND_RB_GPIO_PIN, "NAND ready") < 0)
524 gpio_direction_input(H2_NAND_RB_GPIO_PIN);
526 omap_cfg_reg(L3_1610_FLASH_CS2B_OE);
527 omap_cfg_reg(M8_1610_FLASH_CS2B_WE);
529 /* MMC: card detect and WP */
530 /* omap_cfg_reg(U19_ARMIO1); */ /* CD */
531 omap_cfg_reg(BALLOUT_V8_ARMIO3); /* WP */
534 #if defined(CONFIG_OMAP_IR) || defined(CONFIG_OMAP_IR_MODULE)
535 omap_writel(omap_readl(FUNC_MUX_CTRL_A) | 7, FUNC_MUX_CTRL_A);
536 if (gpio_request(H2_IRDA_FIRSEL_GPIO_PIN, "IRDA mode") < 0)
538 gpio_direction_output(H2_IRDA_FIRSEL_GPIO_PIN, 0);
539 h2_irda_data.transceiver_mode = h2_transceiver_mode;
542 platform_add_devices(h2_devices, ARRAY_SIZE(h2_devices));
543 spi_register_board_info(h2_spi_board_info,
544 ARRAY_SIZE(h2_spi_board_info));
545 omap_board_config = h2_config;
546 omap_board_config_size = ARRAY_SIZE(h2_config);
548 omap_register_i2c_bus(1, 100, h2_i2c_board_info,
549 ARRAY_SIZE(h2_i2c_board_info));
553 static void __init h2_map_io(void)
555 omap1_map_common_io();
558 MACHINE_START(OMAP_H2, "TI-H2")
559 /* Maintainer: Imre Deak <imre.deak@nokia.com> */
560 .phys_io = 0xfff00000,
561 .io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
562 .boot_params = 0x10000100,
564 .init_irq = h2_init_irq,
565 .init_machine = h2_init,
566 .timer = &omap_timer,