mirror of
				https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
				synced 2025-10-31 09:36:25 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			821 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			821 lines
		
	
	
		
			21 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * board-cm-t35.c (CompuLab CM-T35 module)
 | |
|  *
 | |
|  * Copyright (C) 2009 CompuLab, Ltd.
 | |
|  * Author: Mike Rapoport <mike@compulab.co.il>
 | |
|  *
 | |
|  * This program is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU General Public License
 | |
|  * version 2 as published by the Free Software Foundation.
 | |
|  *
 | |
|  * This program is distributed in the hope that it will be useful, but
 | |
|  * WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 | |
|  * General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU General Public License
 | |
|  * along with this program; if not, write to the Free Software
 | |
|  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 | |
|  * 02110-1301 USA
 | |
|  *
 | |
|  */
 | |
| 
 | |
| #include <linux/kernel.h>
 | |
| #include <linux/init.h>
 | |
| #include <linux/platform_device.h>
 | |
| #include <linux/input.h>
 | |
| #include <linux/input/matrix_keypad.h>
 | |
| #include <linux/delay.h>
 | |
| #include <linux/gpio.h>
 | |
| 
 | |
| #include <linux/i2c/at24.h>
 | |
| #include <linux/i2c/twl.h>
 | |
| #include <linux/regulator/machine.h>
 | |
| 
 | |
| #include <linux/spi/spi.h>
 | |
| #include <linux/spi/tdo24m.h>
 | |
| 
 | |
| #include <asm/mach-types.h>
 | |
| #include <asm/mach/arch.h>
 | |
| #include <asm/mach/map.h>
 | |
| 
 | |
| #include <plat/board.h>
 | |
| #include <plat/common.h>
 | |
| #include <plat/nand.h>
 | |
| #include <plat/gpmc.h>
 | |
| #include <plat/usb.h>
 | |
| #include <plat/display.h>
 | |
| #include <plat/mcspi.h>
 | |
| 
 | |
| #include <mach/hardware.h>
 | |
| 
 | |
| #include "mux.h"
 | |
| #include "sdram-micron-mt46h32m32lf-6.h"
 | |
| #include "hsmmc.h"
 | |
| 
 | |
| #define CM_T35_GPIO_PENDOWN	57
 | |
| 
 | |
| #define CM_T35_SMSC911X_CS	5
 | |
| #define CM_T35_SMSC911X_GPIO	163
 | |
| #define SB_T35_SMSC911X_CS	4
 | |
| #define SB_T35_SMSC911X_GPIO	65
 | |
| 
 | |
| #define NAND_BLOCK_SIZE		SZ_128K
 | |
| 
 | |
| #if defined(CONFIG_SMSC911X) || defined(CONFIG_SMSC911X_MODULE)
 | |
| #include <linux/smsc911x.h>
 | |
| 
 | |
| static struct smsc911x_platform_config cm_t35_smsc911x_config = {
 | |
| 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
 | |
| 	.irq_type	= SMSC911X_IRQ_TYPE_OPEN_DRAIN,
 | |
| 	.flags		= SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
 | |
| 	.phy_interface	= PHY_INTERFACE_MODE_MII,
 | |
| };
 | |
| 
 | |
| static struct resource cm_t35_smsc911x_resources[] = {
 | |
| 	{
 | |
| 		.flags	= IORESOURCE_MEM,
 | |
| 	},
 | |
| 	{
 | |
| 		.start	= OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
 | |
| 		.end	= OMAP_GPIO_IRQ(CM_T35_SMSC911X_GPIO),
 | |
| 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device cm_t35_smsc911x_device = {
 | |
| 	.name		= "smsc911x",
 | |
| 	.id		= 0,
 | |
| 	.num_resources	= ARRAY_SIZE(cm_t35_smsc911x_resources),
 | |
| 	.resource	= cm_t35_smsc911x_resources,
 | |
| 	.dev		= {
 | |
| 		.platform_data = &cm_t35_smsc911x_config,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct resource sb_t35_smsc911x_resources[] = {
 | |
| 	{
 | |
| 		.flags	= IORESOURCE_MEM,
 | |
| 	},
 | |
| 	{
 | |
| 		.start	= OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
 | |
| 		.end	= OMAP_GPIO_IRQ(SB_T35_SMSC911X_GPIO),
 | |
| 		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct platform_device sb_t35_smsc911x_device = {
 | |
| 	.name		= "smsc911x",
 | |
| 	.id		= 1,
 | |
| 	.num_resources	= ARRAY_SIZE(sb_t35_smsc911x_resources),
 | |
| 	.resource	= sb_t35_smsc911x_resources,
 | |
| 	.dev		= {
 | |
| 		.platform_data = &cm_t35_smsc911x_config,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_smsc911x(struct platform_device *dev,
 | |
| 					int cs, int irq_gpio)
 | |
| {
 | |
| 	unsigned long cs_mem_base;
 | |
| 
 | |
| 	if (gpmc_cs_request(cs, SZ_16M, &cs_mem_base) < 0) {
 | |
| 		pr_err("CM-T35: Failed request for GPMC mem for smsc911x\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	dev->resource[0].start = cs_mem_base + 0x0;
 | |
| 	dev->resource[0].end   = cs_mem_base + 0xff;
 | |
| 
 | |
| 	if ((gpio_request(irq_gpio, "ETH IRQ") == 0) &&
 | |
| 	    (gpio_direction_input(irq_gpio) == 0)) {
 | |
| 		gpio_export(irq_gpio, 0);
 | |
| 	} else {
 | |
| 		pr_err("CM-T35: could not obtain gpio for SMSC911X IRQ\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	platform_device_register(dev);
 | |
| }
 | |
| 
 | |
| static void __init cm_t35_init_ethernet(void)
 | |
| {
 | |
| 	cm_t35_init_smsc911x(&cm_t35_smsc911x_device,
 | |
| 			     CM_T35_SMSC911X_CS, CM_T35_SMSC911X_GPIO);
 | |
| 	cm_t35_init_smsc911x(&sb_t35_smsc911x_device,
 | |
| 			     SB_T35_SMSC911X_CS, SB_T35_SMSC911X_GPIO);
 | |
| }
 | |
| #else
 | |
| static inline void __init cm_t35_init_ethernet(void) { return; }
 | |
| #endif
 | |
| 
 | |
| #if defined(CONFIG_LEDS_GPIO) || defined(CONFIG_LEDS_GPIO_MODULE)
 | |
| #include <linux/leds.h>
 | |
| 
 | |
| static struct gpio_led cm_t35_leds[] = {
 | |
| 	[0] = {
 | |
| 		.gpio			= 186,
 | |
| 		.name			= "cm-t35:green",
 | |
| 		.default_trigger	= "heartbeat",
 | |
| 		.active_low		= 0,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct gpio_led_platform_data cm_t35_led_pdata = {
 | |
| 	.num_leds	= ARRAY_SIZE(cm_t35_leds),
 | |
| 	.leds		= cm_t35_leds,
 | |
| };
 | |
| 
 | |
| static struct platform_device cm_t35_led_device = {
 | |
| 	.name		= "leds-gpio",
 | |
| 	.id		= -1,
 | |
| 	.dev		= {
 | |
| 		.platform_data	= &cm_t35_led_pdata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_led(void)
 | |
| {
 | |
| 	platform_device_register(&cm_t35_led_device);
 | |
| }
 | |
| #else
 | |
| static inline void cm_t35_init_led(void) {}
 | |
| #endif
 | |
| 
 | |
| #if defined(CONFIG_MTD_NAND_OMAP2) || defined(CONFIG_MTD_NAND_OMAP2_MODULE)
 | |
| #include <linux/mtd/mtd.h>
 | |
| #include <linux/mtd/nand.h>
 | |
| #include <linux/mtd/partitions.h>
 | |
| 
 | |
| static struct mtd_partition cm_t35_nand_partitions[] = {
 | |
| 	{
 | |
| 		.name           = "xloader",
 | |
| 		.offset         = 0,			/* Offset = 0x00000 */
 | |
| 		.size           = 4 * NAND_BLOCK_SIZE,
 | |
| 		.mask_flags     = MTD_WRITEABLE
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "uboot",
 | |
| 		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x80000 */
 | |
| 		.size           = 15 * NAND_BLOCK_SIZE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "uboot environment",
 | |
| 		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x260000 */
 | |
| 		.size           = 2 * NAND_BLOCK_SIZE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "linux",
 | |
| 		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x280000 */
 | |
| 		.size           = 32 * NAND_BLOCK_SIZE,
 | |
| 	},
 | |
| 	{
 | |
| 		.name           = "rootfs",
 | |
| 		.offset         = MTDPART_OFS_APPEND,	/* Offset = 0x680000 */
 | |
| 		.size           = MTDPART_SIZ_FULL,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct omap_nand_platform_data cm_t35_nand_data = {
 | |
| 	.parts			= cm_t35_nand_partitions,
 | |
| 	.nr_parts		= ARRAY_SIZE(cm_t35_nand_partitions),
 | |
| 	.dma_channel		= -1,	/* disable DMA in OMAP NAND driver */
 | |
| 	.cs			= 0,
 | |
| 
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_nand(void)
 | |
| {
 | |
| 	if (gpmc_nand_init(&cm_t35_nand_data) < 0)
 | |
| 		pr_err("CM-T35: Unable to register NAND device\n");
 | |
| }
 | |
| #else
 | |
| static inline void cm_t35_init_nand(void) {}
 | |
| #endif
 | |
| 
 | |
| #if defined(CONFIG_TOUCHSCREEN_ADS7846) || \
 | |
| 	defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
 | |
| #include <linux/spi/ads7846.h>
 | |
| 
 | |
| #include <plat/mcspi.h>
 | |
| 
 | |
| static struct omap2_mcspi_device_config ads7846_mcspi_config = {
 | |
| 	.turbo_mode	= 0,
 | |
| 	.single_channel	= 1,	/* 0: slave, 1: master */
 | |
| };
 | |
| 
 | |
| static int ads7846_get_pendown_state(void)
 | |
| {
 | |
| 	return !gpio_get_value(CM_T35_GPIO_PENDOWN);
 | |
| }
 | |
| 
 | |
| static struct ads7846_platform_data ads7846_config = {
 | |
| 	.x_max			= 0x0fff,
 | |
| 	.y_max			= 0x0fff,
 | |
| 	.x_plate_ohms		= 180,
 | |
| 	.pressure_max		= 255,
 | |
| 	.debounce_max		= 10,
 | |
| 	.debounce_tol		= 3,
 | |
| 	.debounce_rep		= 1,
 | |
| 	.get_pendown_state	= ads7846_get_pendown_state,
 | |
| 	.keep_vref_on		= 1,
 | |
| };
 | |
| 
 | |
| static struct spi_board_info cm_t35_spi_board_info[] __initdata = {
 | |
| 	{
 | |
| 		.modalias		= "ads7846",
 | |
| 		.bus_num		= 1,
 | |
| 		.chip_select		= 0,
 | |
| 		.max_speed_hz		= 1500000,
 | |
| 		.controller_data	= &ads7846_mcspi_config,
 | |
| 		.irq			= OMAP_GPIO_IRQ(CM_T35_GPIO_PENDOWN),
 | |
| 		.platform_data		= &ads7846_config,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_ads7846(void)
 | |
| {
 | |
| 	if ((gpio_request(CM_T35_GPIO_PENDOWN, "ADS7846_PENDOWN") == 0) &&
 | |
| 	    (gpio_direction_input(CM_T35_GPIO_PENDOWN) == 0)) {
 | |
| 		gpio_export(CM_T35_GPIO_PENDOWN, 0);
 | |
| 	} else {
 | |
| 		pr_err("CM-T35: could not obtain gpio for ADS7846_PENDOWN\n");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	spi_register_board_info(cm_t35_spi_board_info,
 | |
| 				ARRAY_SIZE(cm_t35_spi_board_info));
 | |
| }
 | |
| #else
 | |
| static inline void cm_t35_init_ads7846(void) {}
 | |
| #endif
 | |
| 
 | |
| #define CM_T35_LCD_EN_GPIO 157
 | |
| #define CM_T35_LCD_BL_GPIO 58
 | |
| #define CM_T35_DVI_EN_GPIO 54
 | |
| 
 | |
| static int lcd_bl_gpio;
 | |
| static int lcd_en_gpio;
 | |
| static int dvi_en_gpio;
 | |
| 
 | |
| static int lcd_enabled;
 | |
| static int dvi_enabled;
 | |
| 
 | |
| static int cm_t35_panel_enable_lcd(struct omap_dss_device *dssdev)
 | |
| {
 | |
| 	if (dvi_enabled) {
 | |
| 		printk(KERN_ERR "cannot enable LCD, DVI is enabled\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	gpio_set_value(lcd_en_gpio, 1);
 | |
| 	gpio_set_value(lcd_bl_gpio, 1);
 | |
| 
 | |
| 	lcd_enabled = 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void cm_t35_panel_disable_lcd(struct omap_dss_device *dssdev)
 | |
| {
 | |
| 	lcd_enabled = 0;
 | |
| 
 | |
| 	gpio_set_value(lcd_bl_gpio, 0);
 | |
| 	gpio_set_value(lcd_en_gpio, 0);
 | |
| }
 | |
| 
 | |
| static int cm_t35_panel_enable_dvi(struct omap_dss_device *dssdev)
 | |
| {
 | |
| 	if (lcd_enabled) {
 | |
| 		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 | |
| 		return -EINVAL;
 | |
| 	}
 | |
| 
 | |
| 	gpio_set_value(dvi_en_gpio, 0);
 | |
| 	dvi_enabled = 1;
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void cm_t35_panel_disable_dvi(struct omap_dss_device *dssdev)
 | |
| {
 | |
| 	gpio_set_value(dvi_en_gpio, 1);
 | |
| 	dvi_enabled = 0;
 | |
| }
 | |
| 
 | |
| static int cm_t35_panel_enable_tv(struct omap_dss_device *dssdev)
 | |
| {
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static void cm_t35_panel_disable_tv(struct omap_dss_device *dssdev)
 | |
| {
 | |
| }
 | |
| 
 | |
| static struct omap_dss_device cm_t35_lcd_device = {
 | |
| 	.name			= "lcd",
 | |
| 	.driver_name		= "toppoly_tdo35s_panel",
 | |
| 	.type			= OMAP_DISPLAY_TYPE_DPI,
 | |
| 	.phy.dpi.data_lines	= 18,
 | |
| 	.platform_enable	= cm_t35_panel_enable_lcd,
 | |
| 	.platform_disable	= cm_t35_panel_disable_lcd,
 | |
| };
 | |
| 
 | |
| static struct omap_dss_device cm_t35_dvi_device = {
 | |
| 	.name			= "dvi",
 | |
| 	.driver_name		= "generic_panel",
 | |
| 	.type			= OMAP_DISPLAY_TYPE_DPI,
 | |
| 	.phy.dpi.data_lines	= 24,
 | |
| 	.platform_enable	= cm_t35_panel_enable_dvi,
 | |
| 	.platform_disable	= cm_t35_panel_disable_dvi,
 | |
| };
 | |
| 
 | |
| static struct omap_dss_device cm_t35_tv_device = {
 | |
| 	.name			= "tv",
 | |
| 	.driver_name		= "venc",
 | |
| 	.type			= OMAP_DISPLAY_TYPE_VENC,
 | |
| 	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
 | |
| 	.platform_enable	= cm_t35_panel_enable_tv,
 | |
| 	.platform_disable	= cm_t35_panel_disable_tv,
 | |
| };
 | |
| 
 | |
| static struct omap_dss_device *cm_t35_dss_devices[] = {
 | |
| 	&cm_t35_lcd_device,
 | |
| 	&cm_t35_dvi_device,
 | |
| 	&cm_t35_tv_device,
 | |
| };
 | |
| 
 | |
| static struct omap_dss_board_info cm_t35_dss_data = {
 | |
| 	.num_devices	= ARRAY_SIZE(cm_t35_dss_devices),
 | |
| 	.devices	= cm_t35_dss_devices,
 | |
| 	.default_device	= &cm_t35_dvi_device,
 | |
| };
 | |
| 
 | |
| static struct platform_device cm_t35_dss_device = {
 | |
| 	.name		= "omapdss",
 | |
| 	.id		= -1,
 | |
| 	.dev		= {
 | |
| 		.platform_data = &cm_t35_dss_data,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static struct omap2_mcspi_device_config tdo24m_mcspi_config = {
 | |
| 	.turbo_mode	= 0,
 | |
| 	.single_channel	= 1,	/* 0: slave, 1: master */
 | |
| };
 | |
| 
 | |
| static struct tdo24m_platform_data tdo24m_config = {
 | |
| 	.model = TDO35S,
 | |
| };
 | |
| 
 | |
| static struct spi_board_info cm_t35_lcd_spi_board_info[] __initdata = {
 | |
| 	{
 | |
| 		.modalias		= "tdo24m",
 | |
| 		.bus_num		= 4,
 | |
| 		.chip_select		= 0,
 | |
| 		.max_speed_hz		= 1000000,
 | |
| 		.controller_data	= &tdo24m_mcspi_config,
 | |
| 		.platform_data		= &tdo24m_config,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_display(void)
 | |
| {
 | |
| 	int err;
 | |
| 
 | |
| 	lcd_en_gpio = CM_T35_LCD_EN_GPIO;
 | |
| 	lcd_bl_gpio = CM_T35_LCD_BL_GPIO;
 | |
| 	dvi_en_gpio = CM_T35_DVI_EN_GPIO;
 | |
| 
 | |
| 	spi_register_board_info(cm_t35_lcd_spi_board_info,
 | |
| 				ARRAY_SIZE(cm_t35_lcd_spi_board_info));
 | |
| 
 | |
| 	err = gpio_request(lcd_en_gpio, "LCD RST");
 | |
| 	if (err) {
 | |
| 		pr_err("CM-T35: failed to get LCD reset GPIO\n");
 | |
| 		goto out;
 | |
| 	}
 | |
| 
 | |
| 	err = gpio_request(lcd_bl_gpio, "LCD BL");
 | |
| 	if (err) {
 | |
| 		pr_err("CM-T35: failed to get LCD backlight control GPIO\n");
 | |
| 		goto err_lcd_bl;
 | |
| 	}
 | |
| 
 | |
| 	err = gpio_request(dvi_en_gpio, "DVI EN");
 | |
| 	if (err) {
 | |
| 		pr_err("CM-T35: failed to get DVI reset GPIO\n");
 | |
| 		goto err_dvi_en;
 | |
| 	}
 | |
| 
 | |
| 	gpio_export(lcd_en_gpio, 0);
 | |
| 	gpio_export(lcd_bl_gpio, 0);
 | |
| 	gpio_export(dvi_en_gpio, 0);
 | |
| 	gpio_direction_output(lcd_en_gpio, 0);
 | |
| 	gpio_direction_output(lcd_bl_gpio, 0);
 | |
| 	gpio_direction_output(dvi_en_gpio, 1);
 | |
| 
 | |
| 	msleep(50);
 | |
| 	gpio_set_value(lcd_en_gpio, 1);
 | |
| 
 | |
| 	err = platform_device_register(&cm_t35_dss_device);
 | |
| 	if (err) {
 | |
| 		pr_err("CM-T35: failed to register DSS device\n");
 | |
| 		goto err_dev_reg;
 | |
| 	}
 | |
| 
 | |
| 	return;
 | |
| 
 | |
| err_dev_reg:
 | |
| 	gpio_free(dvi_en_gpio);
 | |
| err_dvi_en:
 | |
| 	gpio_free(lcd_bl_gpio);
 | |
| err_lcd_bl:
 | |
| 	gpio_free(lcd_en_gpio);
 | |
| out:
 | |
| 
 | |
| 	return;
 | |
| }
 | |
| 
 | |
| static struct regulator_consumer_supply cm_t35_vmmc1_supply = {
 | |
| 	.supply			= "vmmc",
 | |
| };
 | |
| 
 | |
| static struct regulator_consumer_supply cm_t35_vsim_supply = {
 | |
| 	.supply			= "vmmc_aux",
 | |
| };
 | |
| 
 | |
| static struct regulator_consumer_supply cm_t35_vdac_supply = {
 | |
| 	.supply		= "vdda_dac",
 | |
| 	.dev		= &cm_t35_dss_device.dev,
 | |
| };
 | |
| 
 | |
| static struct regulator_consumer_supply cm_t35_vdvi_supply = {
 | |
| 	.supply		= "vdvi",
 | |
| 	.dev		= &cm_t35_dss_device.dev,
 | |
| };
 | |
| 
 | |
| /* VMMC1 for MMC1 pins CMD, CLK, DAT0..DAT3 (20 mA, plus card == max 220 mA) */
 | |
| static struct regulator_init_data cm_t35_vmmc1 = {
 | |
| 	.constraints = {
 | |
| 		.min_uV			= 1850000,
 | |
| 		.max_uV			= 3150000,
 | |
| 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 | |
| 					| REGULATOR_MODE_STANDBY,
 | |
| 		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
 | |
| 					| REGULATOR_CHANGE_MODE
 | |
| 					| REGULATOR_CHANGE_STATUS,
 | |
| 	},
 | |
| 	.num_consumer_supplies	= 1,
 | |
| 	.consumer_supplies	= &cm_t35_vmmc1_supply,
 | |
| };
 | |
| 
 | |
| /* VSIM for MMC1 pins DAT4..DAT7 (2 mA, plus card == max 50 mA) */
 | |
| static struct regulator_init_data cm_t35_vsim = {
 | |
| 	.constraints = {
 | |
| 		.min_uV			= 1800000,
 | |
| 		.max_uV			= 3000000,
 | |
| 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 | |
| 					| REGULATOR_MODE_STANDBY,
 | |
| 		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
 | |
| 					| REGULATOR_CHANGE_MODE
 | |
| 					| REGULATOR_CHANGE_STATUS,
 | |
| 	},
 | |
| 	.num_consumer_supplies	= 1,
 | |
| 	.consumer_supplies	= &cm_t35_vsim_supply,
 | |
| };
 | |
| 
 | |
| /* VDAC for DSS driving S-Video (8 mA unloaded, max 65 mA) */
 | |
| static struct regulator_init_data cm_t35_vdac = {
 | |
| 	.constraints = {
 | |
| 		.min_uV			= 1800000,
 | |
| 		.max_uV			= 1800000,
 | |
| 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 | |
| 					| REGULATOR_MODE_STANDBY,
 | |
| 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 | |
| 					| REGULATOR_CHANGE_STATUS,
 | |
| 	},
 | |
| 	.num_consumer_supplies	= 1,
 | |
| 	.consumer_supplies	= &cm_t35_vdac_supply,
 | |
| };
 | |
| 
 | |
| /* VPLL2 for digital video outputs */
 | |
| static struct regulator_init_data cm_t35_vpll2 = {
 | |
| 	.constraints = {
 | |
| 		.name			= "VDVI",
 | |
| 		.min_uV			= 1800000,
 | |
| 		.max_uV			= 1800000,
 | |
| 		.valid_modes_mask	= REGULATOR_MODE_NORMAL
 | |
| 					| REGULATOR_MODE_STANDBY,
 | |
| 		.valid_ops_mask		= REGULATOR_CHANGE_MODE
 | |
| 					| REGULATOR_CHANGE_STATUS,
 | |
| 	},
 | |
| 	.num_consumer_supplies	= 1,
 | |
| 	.consumer_supplies	= &cm_t35_vdvi_supply,
 | |
| };
 | |
| 
 | |
| static struct twl4030_usb_data cm_t35_usb_data = {
 | |
| 	.usb_mode	= T2_USB_MODE_ULPI,
 | |
| };
 | |
| 
 | |
| static int cm_t35_keymap[] = {
 | |
| 	KEY(0, 0, KEY_A),	KEY(0, 1, KEY_B),	KEY(0, 2, KEY_LEFT),
 | |
| 	KEY(1, 0, KEY_UP),	KEY(1, 1, KEY_ENTER),	KEY(1, 2, KEY_DOWN),
 | |
| 	KEY(2, 0, KEY_RIGHT),	KEY(2, 1, KEY_C),	KEY(2, 2, KEY_D),
 | |
| };
 | |
| 
 | |
| static struct matrix_keymap_data cm_t35_keymap_data = {
 | |
| 	.keymap			= cm_t35_keymap,
 | |
| 	.keymap_size		= ARRAY_SIZE(cm_t35_keymap),
 | |
| };
 | |
| 
 | |
| static struct twl4030_keypad_data cm_t35_kp_data = {
 | |
| 	.keymap_data	= &cm_t35_keymap_data,
 | |
| 	.rows		= 3,
 | |
| 	.cols		= 3,
 | |
| 	.rep		= 1,
 | |
| };
 | |
| 
 | |
| static struct omap2_hsmmc_info mmc[] = {
 | |
| 	{
 | |
| 		.mmc		= 1,
 | |
| 		.wires		= 4,
 | |
| 		.gpio_cd	= -EINVAL,
 | |
| 		.gpio_wp	= -EINVAL,
 | |
| 
 | |
| 	},
 | |
| 	{
 | |
| 		.mmc		= 2,
 | |
| 		.wires		= 4,
 | |
| 		.transceiver	= 1,
 | |
| 		.gpio_cd	= -EINVAL,
 | |
| 		.gpio_wp	= -EINVAL,
 | |
| 		.ocr_mask	= 0x00100000,	/* 3.3V */
 | |
| 	},
 | |
| 	{}	/* Terminator */
 | |
| };
 | |
| 
 | |
| static struct ehci_hcd_omap_platform_data ehci_pdata __initdata = {
 | |
| 	.port_mode[0] = EHCI_HCD_OMAP_MODE_PHY,
 | |
| 	.port_mode[1] = EHCI_HCD_OMAP_MODE_PHY,
 | |
| 	.port_mode[2] = EHCI_HCD_OMAP_MODE_UNKNOWN,
 | |
| 
 | |
| 	.phy_reset  = true,
 | |
| 	.reset_gpio_port[0]  = -EINVAL,
 | |
| 	.reset_gpio_port[1]  = -EINVAL,
 | |
| 	.reset_gpio_port[2]  = -EINVAL
 | |
| };
 | |
| 
 | |
| static int cm_t35_twl_gpio_setup(struct device *dev, unsigned gpio,
 | |
| 				 unsigned ngpio)
 | |
| {
 | |
| 	int wlan_rst = gpio + 2;
 | |
| 
 | |
| 	if ((gpio_request(wlan_rst, "WLAN RST") == 0) &&
 | |
| 	    (gpio_direction_output(wlan_rst, 1) == 0)) {
 | |
| 		gpio_export(wlan_rst, 0);
 | |
| 
 | |
| 		udelay(10);
 | |
| 		gpio_set_value(wlan_rst, 0);
 | |
| 		udelay(10);
 | |
| 		gpio_set_value(wlan_rst, 1);
 | |
| 	} else {
 | |
| 		pr_err("CM-T35: could not obtain gpio for WiFi reset\n");
 | |
| 	}
 | |
| 
 | |
| 	/* gpio + 0 is "mmc0_cd" (input/IRQ) */
 | |
| 	mmc[0].gpio_cd = gpio + 0;
 | |
| 	omap2_hsmmc_init(mmc);
 | |
| 
 | |
| 	/* link regulators to MMC adapters */
 | |
| 	cm_t35_vmmc1_supply.dev = mmc[0].dev;
 | |
| 	cm_t35_vsim_supply.dev = mmc[0].dev;
 | |
| 
 | |
| 	/* setup USB with proper PHY reset GPIOs */
 | |
| 	ehci_pdata.reset_gpio_port[0] = gpio + 6;
 | |
| 	ehci_pdata.reset_gpio_port[1] = gpio + 7;
 | |
| 
 | |
| 	usb_ehci_init(&ehci_pdata);
 | |
| 
 | |
| 	return 0;
 | |
| }
 | |
| 
 | |
| static struct twl4030_gpio_platform_data cm_t35_gpio_data = {
 | |
| 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 | |
| 	.irq_base	= TWL4030_GPIO_IRQ_BASE,
 | |
| 	.irq_end	= TWL4030_GPIO_IRQ_END,
 | |
| 	.setup          = cm_t35_twl_gpio_setup,
 | |
| };
 | |
| 
 | |
| static struct twl4030_platform_data cm_t35_twldata = {
 | |
| 	.irq_base	= TWL4030_IRQ_BASE,
 | |
| 	.irq_end	= TWL4030_IRQ_END,
 | |
| 
 | |
| 	/* platform_data for children goes here */
 | |
| 	.keypad		= &cm_t35_kp_data,
 | |
| 	.usb		= &cm_t35_usb_data,
 | |
| 	.gpio		= &cm_t35_gpio_data,
 | |
| 	.vmmc1		= &cm_t35_vmmc1,
 | |
| 	.vsim		= &cm_t35_vsim,
 | |
| 	.vdac		= &cm_t35_vdac,
 | |
| 	.vpll2		= &cm_t35_vpll2,
 | |
| };
 | |
| 
 | |
| static struct i2c_board_info __initdata cm_t35_i2c_boardinfo[] = {
 | |
| 	{
 | |
| 		I2C_BOARD_INFO("tps65930", 0x48),
 | |
| 		.flags		= I2C_CLIENT_WAKE,
 | |
| 		.irq		= INT_34XX_SYS_NIRQ,
 | |
| 		.platform_data	= &cm_t35_twldata,
 | |
| 	},
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_i2c(void)
 | |
| {
 | |
| 	omap_register_i2c_bus(1, 2600, cm_t35_i2c_boardinfo,
 | |
| 			      ARRAY_SIZE(cm_t35_i2c_boardinfo));
 | |
| }
 | |
| 
 | |
| static struct omap_board_config_kernel cm_t35_config[] __initdata = {
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init_irq(void)
 | |
| {
 | |
| 	omap_board_config = cm_t35_config;
 | |
| 	omap_board_config_size = ARRAY_SIZE(cm_t35_config);
 | |
| 
 | |
| 	omap2_init_common_hw(mt46h32m32lf6_sdrc_params,
 | |
| 			     mt46h32m32lf6_sdrc_params);
 | |
| 	omap_init_irq();
 | |
| 	omap_gpio_init();
 | |
| }
 | |
| 
 | |
| static struct omap_board_mux board_mux[] __initdata = {
 | |
| 	/* nCS and IRQ for CM-T35 ethernet */
 | |
| 	OMAP3_MUX(GPMC_NCS5, OMAP_MUX_MODE0),
 | |
| 	OMAP3_MUX(UART3_CTS_RCTX, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
 | |
| 
 | |
| 	/* nCS and IRQ for SB-T35 ethernet */
 | |
| 	OMAP3_MUX(GPMC_NCS4, OMAP_MUX_MODE0),
 | |
| 	OMAP3_MUX(GPMC_WAIT3, OMAP_MUX_MODE4 | OMAP_PIN_INPUT_PULLUP),
 | |
| 
 | |
| 	/* PENDOWN GPIO */
 | |
| 	OMAP3_MUX(GPMC_NCS6, OMAP_MUX_MODE4 | OMAP_PIN_INPUT),
 | |
| 
 | |
| 	/* mUSB */
 | |
| 	OMAP3_MUX(HSUSB0_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_STP, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DIR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_NXT, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(HSUSB0_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 
 | |
| 	/* MMC 2 */
 | |
| 	OMAP3_MUX(SDMMC2_DAT4, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(SDMMC2_DAT5, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(SDMMC2_DAT6, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(SDMMC2_DAT7, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 | |
| 
 | |
| 	/* McSPI 1 */
 | |
| 	OMAP3_MUX(MCSPI1_CLK, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCSPI1_SIMO, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCSPI1_SOMI, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCSPI1_CS0, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 | |
| 
 | |
| 	/* McSPI 4 */
 | |
| 	OMAP3_MUX(MCBSP1_CLKR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP1_DX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP1_DR, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP1_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT_PULLUP),
 | |
| 
 | |
| 	/* McBSP 2 */
 | |
| 	OMAP3_MUX(MCBSP2_FSX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP2_CLKX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP2_DR, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(MCBSP2_DX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 
 | |
| 	/* serial ports */
 | |
| 	OMAP3_MUX(MCBSP3_CLKX, OMAP_MUX_MODE1 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(MCBSP3_FSX, OMAP_MUX_MODE1 | OMAP_PIN_INPUT),
 | |
| 	OMAP3_MUX(UART1_TX, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(UART1_RX, OMAP_MUX_MODE0 | OMAP_PIN_INPUT),
 | |
| 
 | |
| 	/* DSS */
 | |
| 	OMAP3_MUX(DSS_PCLK, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_HSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_VSYNC, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_ACBIAS, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA0, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA1, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA2, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA3, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA4, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA5, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA6, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA7, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA8, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA9, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA10, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA11, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA12, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA13, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA14, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA15, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA16, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA17, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA18, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA19, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA20, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA21, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA22, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(DSS_DATA23, OMAP_MUX_MODE0 | OMAP_PIN_OUTPUT),
 | |
| 
 | |
| 	/* display controls */
 | |
| 	OMAP3_MUX(MCBSP1_FSR, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(GPMC_NCS7, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 | |
| 	OMAP3_MUX(GPMC_NCS3, OMAP_MUX_MODE4 | OMAP_PIN_OUTPUT),
 | |
| 
 | |
| 	/* TPS IRQ */
 | |
| 	OMAP3_MUX(SYS_NIRQ, OMAP_MUX_MODE0 | OMAP_WAKEUP_EN | \
 | |
| 		  OMAP_PIN_INPUT_PULLUP),
 | |
| 
 | |
| 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 | |
| };
 | |
| 
 | |
| static struct omap_musb_board_data musb_board_data = {
 | |
| 	.interface_type		= MUSB_INTERFACE_ULPI,
 | |
| 	.mode			= MUSB_OTG,
 | |
| 	.power			= 100,
 | |
| };
 | |
| 
 | |
| static void __init cm_t35_init(void)
 | |
| {
 | |
| 	omap3_mux_init(board_mux, OMAP_PACKAGE_CUS);
 | |
| 	omap_serial_init();
 | |
| 	cm_t35_init_i2c();
 | |
| 	cm_t35_init_nand();
 | |
| 	cm_t35_init_ads7846();
 | |
| 	cm_t35_init_ethernet();
 | |
| 	cm_t35_init_led();
 | |
| 	cm_t35_init_display();
 | |
| 
 | |
| 	usb_musb_init(&musb_board_data);
 | |
| }
 | |
| 
 | |
| MACHINE_START(CM_T35, "Compulab CM-T35")
 | |
| 	.phys_io	= 0x48000000,
 | |
| 	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
 | |
| 	.boot_params	= 0x80000100,
 | |
| 	.map_io		= omap3_map_io,
 | |
| 	.reserve	= omap_reserve,
 | |
| 	.init_irq	= cm_t35_init_irq,
 | |
| 	.init_machine	= cm_t35_init,
 | |
| 	.timer		= &omap_timer,
 | |
| MACHINE_END
 | 
