| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398 | /* * 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		181static struct i2c_board_info __initdata am3517evm_i2c1_boardinfo[] = {	{		I2C_BOARD_INFO("s35390a", 0x30),	},};/* * RTC - S35390A */#define GPIO_RTCS35390A_IRQ	55static 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");}#elsestatic void __init am3517_evm_display_init(void) {}#endifstatic 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_MUXstatic 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 },};#endifstatic 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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