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							- /*
 
-  * linux/arch/arm/mach-omap2/board-am3517evm.c
 
-  *
 
-  * Copyright (C) 2009 Texas Instruments Incorporated
 
-  * Author: Ranjith Lohithakshan <ranjithl@ti.com>
 
-  *
 
-  * Based on mach-omap2/board-omap3evm.c
 
-  *
 
-  * This program is free software; you can redistribute it and/or modify it
 
-  * under the terms of the GNU General Public License as  published by the
 
-  * Free Software Foundation version 2.
 
-  *
 
-  * This program is distributed "as is" WITHOUT ANY WARRANTY of any kind,
 
-  * whether express or implied; without even the implied warranty of
 
-  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 
-  * General Public License for more details.
 
-  */
 
- #include <linux/kernel.h>
 
- #include <linux/init.h>
 
- #include <linux/clk.h>
 
- #include <linux/platform_device.h>
 
- #include <linux/gpio.h>
 
- #include <linux/i2c/pca953x.h>
 
- #include <linux/can/platform/ti_hecc.h>
 
- #include <linux/davinci_emac.h>
 
- #include <linux/mmc/host.h>
 
- #include <linux/usb/musb.h>
 
- #include <linux/platform_data/gpio-omap.h>
 
- #include "am35xx.h"
 
- #include <asm/mach-types.h>
 
- #include <asm/mach/arch.h>
 
- #include <asm/mach/map.h>
 
- #include "common.h"
 
- #include <video/omapdss.h>
 
- #include <video/omap-panel-generic-dpi.h>
 
- #include <video/omap-panel-tfp410.h>
 
- #include "am35xx-emac.h"
 
- #include "mux.h"
 
- #include "control.h"
 
- #include "hsmmc.h"
 
- #define LCD_PANEL_PWR		176
 
- #define LCD_PANEL_BKLIGHT_PWR	182
 
- #define LCD_PANEL_PWM		181
 
- static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {
 
- 	{
 
- 		I2C_BOARD_INFO("s35390a", 0x30),
 
- 	},
 
- };
 
- /*
 
-  * RTC - S35390A
 
-  */
 
- #define GPIO_RTCS35390A_IRQ	55
 
- static void __init am3517_evm_rtc_init(void)
 
- {
 
- 	int r;
 
- 	omap_mux_init_gpio(GPIO_RTCS35390A_IRQ, OMAP_PIN_INPUT_PULLUP);
 
- 	r = gpio_request_one(GPIO_RTCS35390A_IRQ, GPIOF_IN, "rtcs35390a-irq");
 
- 	if (r < 0) {
 
- 		printk(KERN_WARNING "failed to request GPIO#%d\n",
 
- 				GPIO_RTCS35390A_IRQ);
 
- 		return;
 
- 	}
 
- 	am3517evm_i2c1_boardinfo[0].irq = gpio_to_irq(GPIO_RTCS35390A_IRQ);
 
- }
 
- /*
 
-  * I2C GPIO Expander - TCA6416
 
-  */
 
- /* Mounted on Base-Board */
 
- static struct pca953x_platform_data am3517evm_gpio_expander_info_0 = {
 
- 	.gpio_base	= OMAP_MAX_GPIO_LINES,
 
- };
 
- static struct i2c_board_info __initdata am3517evm_i2c2_boardinfo[] = {
 
- 	{
 
- 		I2C_BOARD_INFO("tlv320aic23", 0x1A),
 
- 	},
 
- 	{
 
- 		I2C_BOARD_INFO("tca6416", 0x21),
 
- 		.platform_data = &am3517evm_gpio_expander_info_0,
 
- 	},
 
- };
 
- /* Mounted on UI Card */
 
- static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_1 = {
 
- 	.gpio_base	= OMAP_MAX_GPIO_LINES + 16,
 
- };
 
- static struct pca953x_platform_data am3517evm_ui_gpio_expander_info_2 = {
 
- 	.gpio_base	= OMAP_MAX_GPIO_LINES + 32,
 
- };
 
- static struct i2c_board_info __initdata am3517evm_i2c3_boardinfo[] = {
 
- 	{
 
- 		I2C_BOARD_INFO("tca6416", 0x20),
 
- 		.platform_data = &am3517evm_ui_gpio_expander_info_1,
 
- 	},
 
- 	{
 
- 		I2C_BOARD_INFO("tca6416", 0x21),
 
- 		.platform_data = &am3517evm_ui_gpio_expander_info_2,
 
- 	},
 
- };
 
- static int __init am3517_evm_i2c_init(void)
 
- {
 
- 	omap_register_i2c_bus(1, 400, NULL, 0);
 
- 	omap_register_i2c_bus(2, 400, am3517evm_i2c2_boardinfo,
 
- 			ARRAY_SIZE(am3517evm_i2c2_boardinfo));
 
- 	omap_register_i2c_bus(3, 400, am3517evm_i2c3_boardinfo,
 
- 			ARRAY_SIZE(am3517evm_i2c3_boardinfo));
 
- 	return 0;
 
- }
 
- static int lcd_enabled;
 
- static int dvi_enabled;
 
- #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
 
- 		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
 
- static struct gpio am3517_evm_dss_gpios[] __initdata = {
 
- 	/* GPIO 182 = LCD Backlight Power */
 
- 	{ LCD_PANEL_BKLIGHT_PWR, GPIOF_OUT_INIT_HIGH, "lcd_backlight_pwr" },
 
- 	/* GPIO 181 = LCD Panel PWM */
 
- 	{ LCD_PANEL_PWM,	 GPIOF_OUT_INIT_HIGH, "lcd bl enable"	  },
 
- 	/* GPIO 176 = LCD Panel Power enable pin */
 
- 	{ LCD_PANEL_PWR,	 GPIOF_OUT_INIT_HIGH, "dvi enable"	  },
 
- };
 
- static void __init am3517_evm_display_init(void)
 
- {
 
- 	int r;
 
- 	omap_mux_init_gpio(LCD_PANEL_PWR, OMAP_PIN_INPUT_PULLUP);
 
- 	omap_mux_init_gpio(LCD_PANEL_BKLIGHT_PWR, OMAP_PIN_INPUT_PULLDOWN);
 
- 	omap_mux_init_gpio(LCD_PANEL_PWM, OMAP_PIN_INPUT_PULLDOWN);
 
- 	r = gpio_request_array(am3517_evm_dss_gpios,
 
- 			       ARRAY_SIZE(am3517_evm_dss_gpios));
 
- 	if (r) {
 
- 		printk(KERN_ERR "failed to get DSS panel control GPIOs\n");
 
- 		return;
 
- 	}
 
- 	printk(KERN_INFO "Display initialized successfully\n");
 
- }
 
- #else
 
- static void __init am3517_evm_display_init(void) {}
 
- #endif
 
- static int am3517_evm_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_PANEL_PWR, 1);
 
- 	lcd_enabled = 1;
 
- 	return 0;
 
- }
 
- static void am3517_evm_panel_disable_lcd(struct omap_dss_device *dssdev)
 
- {
 
- 	gpio_set_value(LCD_PANEL_PWR, 0);
 
- 	lcd_enabled = 0;
 
- }
 
- static struct panel_generic_dpi_data lcd_panel = {
 
- 	.name			= "sharp_lq",
 
- 	.platform_enable	= am3517_evm_panel_enable_lcd,
 
- 	.platform_disable	= am3517_evm_panel_disable_lcd,
 
- };
 
- static struct omap_dss_device am3517_evm_lcd_device = {
 
- 	.type			= OMAP_DISPLAY_TYPE_DPI,
 
- 	.name			= "lcd",
 
- 	.driver_name		= "generic_dpi_panel",
 
- 	.data			= &lcd_panel,
 
- 	.phy.dpi.data_lines 	= 16,
 
- };
 
- static int am3517_evm_panel_enable_tv(struct omap_dss_device *dssdev)
 
- {
 
- 	return 0;
 
- }
 
- static void am3517_evm_panel_disable_tv(struct omap_dss_device *dssdev)
 
- {
 
- }
 
- static struct omap_dss_device am3517_evm_tv_device = {
 
- 	.type 			= OMAP_DISPLAY_TYPE_VENC,
 
- 	.name 			= "tv",
 
- 	.driver_name		= "venc",
 
- 	.phy.venc.type		= OMAP_DSS_VENC_TYPE_SVIDEO,
 
- 	.platform_enable	= am3517_evm_panel_enable_tv,
 
- 	.platform_disable	= am3517_evm_panel_disable_tv,
 
- };
 
- static struct tfp410_platform_data dvi_panel = {
 
- 	.power_down_gpio	= -1,
 
- 	.i2c_bus_num		= -1,
 
- };
 
- static struct omap_dss_device am3517_evm_dvi_device = {
 
- 	.type			= OMAP_DISPLAY_TYPE_DPI,
 
- 	.name			= "dvi",
 
- 	.driver_name		= "tfp410",
 
- 	.data			= &dvi_panel,
 
- 	.phy.dpi.data_lines	= 24,
 
- };
 
- static struct omap_dss_device *am3517_evm_dss_devices[] = {
 
- 	&am3517_evm_lcd_device,
 
- 	&am3517_evm_tv_device,
 
- 	&am3517_evm_dvi_device,
 
- };
 
- static struct omap_dss_board_info am3517_evm_dss_data = {
 
- 	.num_devices	= ARRAY_SIZE(am3517_evm_dss_devices),
 
- 	.devices	= am3517_evm_dss_devices,
 
- 	.default_device	= &am3517_evm_lcd_device,
 
- };
 
- /*
 
-  * Board initialization
 
-  */
 
- static struct omap_musb_board_data musb_board_data = {
 
- 	.interface_type         = MUSB_INTERFACE_ULPI,
 
- 	.mode                   = MUSB_OTG,
 
- 	.power                  = 500,
 
- 	.set_phy_power		= am35x_musb_phy_power,
 
- 	.clear_irq		= am35x_musb_clear_irq,
 
- 	.set_mode		= am35x_set_mode,
 
- 	.reset			= am35x_musb_reset,
 
- };
 
- static __init void am3517_evm_musb_init(void)
 
- {
 
- 	u32 devconf2;
 
- 	/*
 
- 	 * Set up USB clock/mode in the DEVCONF2 register.
 
- 	 */
 
- 	devconf2 = omap_ctrl_readl(AM35XX_CONTROL_DEVCONF2);
 
- 	/* USB2.0 PHY reference clock is 13 MHz */
 
- 	devconf2 &= ~(CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE);
 
- 	devconf2 |=  CONF2_REFFREQ_13MHZ | CONF2_SESENDEN | CONF2_VBDTCTEN
 
- 			| CONF2_DATPOL;
 
- 	omap_ctrl_writel(devconf2, AM35XX_CONTROL_DEVCONF2);
 
- 	usb_musb_init(&musb_board_data);
 
- }
 
- static __init void am3517_evm_mcbsp1_init(void)
 
- {
 
- 	u32 devconf0;
 
- 	/* McBSP1 CLKR/FSR signal to be connected to CLKX/FSX pin */
 
- 	devconf0 = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
 
- 	devconf0 |=  OMAP2_MCBSP1_CLKR_MASK | OMAP2_MCBSP1_FSR_MASK;
 
- 	omap_ctrl_writel(devconf0, OMAP2_CONTROL_DEVCONF0);
 
- }
 
- static const struct usbhs_omap_board_data usbhs_bdata __initconst = {
 
- 	.port_mode[0] = OMAP_EHCI_PORT_MODE_PHY,
 
- #if defined(CONFIG_PANEL_SHARP_LQ043T1DG01) || \
 
- 		defined(CONFIG_PANEL_SHARP_LQ043T1DG01_MODULE)
 
- 	.port_mode[1] = OMAP_USBHS_PORT_MODE_UNUSED,
 
- #else
 
- 	.port_mode[1] = OMAP_EHCI_PORT_MODE_PHY,
 
- #endif
 
- 	.port_mode[2] = OMAP_USBHS_PORT_MODE_UNUSED,
 
- 	.phy_reset  = true,
 
- 	.reset_gpio_port[0]  = 57,
 
- 	.reset_gpio_port[1]  = -EINVAL,
 
- 	.reset_gpio_port[2]  = -EINVAL
 
- };
 
- #ifdef CONFIG_OMAP_MUX
 
- static struct omap_board_mux board_mux[] __initdata = {
 
- 	/* USB OTG DRVVBUS offset = 0x212 */
 
- 	OMAP3_MUX(SAD2D_MCAD23, OMAP_MUX_MODE0 | OMAP_PIN_INPUT_PULLDOWN),
 
- 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 
- };
 
- #endif
 
- static struct resource am3517_hecc_resources[] = {
 
- 	{
 
- 		.start	= AM35XX_IPSS_HECC_BASE,
 
- 		.end	= AM35XX_IPSS_HECC_BASE + 0x3FFF,
 
- 		.flags	= IORESOURCE_MEM,
 
- 	},
 
- 	{
 
- 		.start	= 24 + OMAP_INTC_START,
 
- 		.flags	= IORESOURCE_IRQ,
 
- 	},
 
- };
 
- static struct platform_device am3517_hecc_device = {
 
- 	.name		= "ti_hecc",
 
- 	.id		= -1,
 
- 	.num_resources	= ARRAY_SIZE(am3517_hecc_resources),
 
- 	.resource	= am3517_hecc_resources,
 
- };
 
- static struct ti_hecc_platform_data am3517_evm_hecc_pdata = {
 
- 	.scc_hecc_offset	= AM35XX_HECC_SCC_HECC_OFFSET,
 
- 	.scc_ram_offset		= AM35XX_HECC_SCC_RAM_OFFSET,
 
- 	.hecc_ram_offset	= AM35XX_HECC_RAM_OFFSET,
 
- 	.mbx_offset		= AM35XX_HECC_MBOX_OFFSET,
 
- 	.int_line		= AM35XX_HECC_INT_LINE,
 
- 	.version		= AM35XX_HECC_VERSION,
 
- };
 
- static void am3517_evm_hecc_init(struct ti_hecc_platform_data *pdata)
 
- {
 
- 	am3517_hecc_device.dev.platform_data = pdata;
 
- 	platform_device_register(&am3517_hecc_device);
 
- }
 
- static struct omap2_hsmmc_info mmc[] = {
 
- 	{
 
- 		.mmc		= 1,
 
- 		.caps		= MMC_CAP_4_BIT_DATA,
 
- 		.gpio_cd	= 127,
 
- 		.gpio_wp	= 126,
 
- 	},
 
- 	{
 
- 		.mmc		= 2,
 
- 		.caps		= MMC_CAP_4_BIT_DATA,
 
- 		.gpio_cd	= 128,
 
- 		.gpio_wp	= 129,
 
- 	},
 
- 	{}      /* Terminator */
 
- };
 
- static void __init am3517_evm_init(void)
 
- {
 
- 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 
- 	am3517_evm_i2c_init();
 
- 	omap_display_init(&am3517_evm_dss_data);
 
- 	omap_serial_init();
 
- 	omap_sdrc_init(NULL, NULL);
 
- 	/* Configure GPIO for EHCI port */
 
- 	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
 
- 	usbhs_init(&usbhs_bdata);
 
- 	am3517_evm_hecc_init(&am3517_evm_hecc_pdata);
 
- 	/* DSS */
 
- 	am3517_evm_display_init();
 
- 	/* RTC - S35390A */
 
- 	am3517_evm_rtc_init();
 
- 	i2c_register_board_info(1, am3517evm_i2c1_boardinfo,
 
- 				ARRAY_SIZE(am3517evm_i2c1_boardinfo));
 
- 	/*Ethernet*/
 
- 	am35xx_emac_init(AM35XX_DEFAULT_MDIO_FREQUENCY, 1);
 
- 	/* MUSB */
 
- 	am3517_evm_musb_init();
 
- 	/* McBSP1 */
 
- 	am3517_evm_mcbsp1_init();
 
- 	/* MMC init function */
 
- 	omap_hsmmc_init(mmc);
 
- }
 
- MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
 
- 	.atag_offset	= 0x100,
 
- 	.reserve	= omap_reserve,
 
- 	.map_io		= omap3_map_io,
 
- 	.init_early	= am35xx_init_early,
 
- 	.init_irq	= omap3_init_irq,
 
- 	.handle_irq	= omap3_intc_handle_irq,
 
- 	.init_machine	= am3517_evm_init,
 
- 	.init_late	= am35xx_init_late,
 
- 	.timer		= &omap3_timer,
 
- 	.restart	= omap3xxx_restart,
 
- MACHINE_END
 
 
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