arch/arm/mach-omap2/board-am3517evm.c - kernel/msm-4.19 - Gitiles

 /*
  * 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/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/i2c/pca953x.h>

 #include <mach/hardware.h>
 #include <mach/am35xx.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/usb.h>
 #include <plat/display.h>

 #include "mux.h"

 #define LCD_PANEL_PWR		176
 #define LCD_PANEL_BKLIGHT_PWR	182
 #define LCD_PANEL_PWM		181

 static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
 	{
 		I2C_BOARD_INFO("s35390a", 0x30),
 		.type		= "s35390a",
 	},
 };

 /*
  * 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(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
 	if (r < 0) {
 		printk(KERN_WARNING "failed to request GPIO#%d\n",
 				GPIO_RTCS35390A_IRQ);
 		return;
 	}
 	r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
 	if (r < 0) {
 		printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
 				GPIO_RTCS35390A_IRQ);
 		gpio_free(GPIO_RTCS35390A_IRQ);
 		return;
 	}
 	am3517evm_i2c_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_tca6416_info_0[] = {
 	{
 		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_ui_tca6416_info[] = {
 	{
 		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_tca6416_info_0,
 			ARRAY_SIZE(am3517evm_tca6416_info_0));
 	omap_register_i2c_bus(3, 400, am3517evm_ui_tca6416_info,
 			ARRAY_SIZE(am3517evm_ui_tca6416_info));

 	return 0;
 }

 static int lcd_enabled;
 static int dvi_enabled;

 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);
 	/*
 	 * Enable GPIO 182 = LCD Backlight Power
 	 */
 	r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr");
 	if (r) {
 		printk(KERN_ERR "failed to get lcd_backlight_pwr\n");
 		return;
 	}
 	gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1);
 	/*
 	 * Enable GPIO 181 = LCD Panel PWM
 	 */
 	r = gpio_request(LCD_PANEL_PWM, "lcd_pwm");
 	if (r) {
 		printk(KERN_ERR "failed to get lcd_pwm\n");
 		goto err_1;
 	}
 	gpio_direction_output(LCD_PANEL_PWM, 1);
 	/*
 	 * Enable GPIO 176 = LCD Panel Power enable pin
 	 */
 	r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr");
 	if (r) {
 		printk(KERN_ERR "failed to get lcd_panel_pwr\n");
 		goto err_2;
 	}
 	gpio_direction_output(LCD_PANEL_PWR, 1);

 	printk(KERN_INFO "Display initialized successfully\n");
 	return;

 err_2:
 	gpio_free(LCD_PANEL_PWM);
 err_1:
 	gpio_free(LCD_PANEL_BKLIGHT_PWR);
 }

 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 omap_dss_device am3517_evm_lcd_device = {
 	.type			= OMAP_DISPLAY_TYPE_DPI,
 	.name			= "lcd",
 	.driver_name		= "sharp_lq_panel",
 	.phy.dpi.data_lines 	= 16,
 	.platform_enable	= am3517_evm_panel_enable_lcd,
 	.platform_disable	= am3517_evm_panel_disable_lcd,
 };

 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 int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
 {
 	if (lcd_enabled) {
 		printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
 		return -EINVAL;
 	}
 	dvi_enabled = 1;

 	return 0;
 }

 static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
 {
 	dvi_enabled = 0;
 }

 static struct omap_dss_device am3517_evm_dvi_device = {
 	.type			= OMAP_DISPLAY_TYPE_DPI,
 	.name			= "dvi",
 	.driver_name		= "generic_panel",
 	.phy.dpi.data_lines	= 24,
 	.platform_enable	= am3517_evm_panel_enable_dvi,
 	.platform_disable	= am3517_evm_panel_disable_dvi,
 };

 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,
 };

 struct platform_device am3517_evm_dss_device = {
 	.name		= "omapdss",
 	.id		= -1,
 	.dev		= {
 		.platform_data	= &am3517_evm_dss_data,
 	},
 };

 /*
  * Board initialization
  */
 static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
 };

 static struct platform_device *am3517_evm_devices[] __initdata = {
 	&am3517_evm_dss_device,
 };

 static void __init am3517_evm_init_irq(void)
 {
 	omap_board_config = am3517_evm_config;
 	omap_board_config_size = ARRAY_SIZE(am3517_evm_config);

 	omap2_init_common_hw(NULL, NULL);
 	omap_init_irq();
 	omap_gpio_init();
 }

 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]  = 57,
 	.reset_gpio_port[1]  = -EINVAL,
 	.reset_gpio_port[2]  = -EINVAL
 };

 #ifdef CONFIG_OMAP_MUX
 static struct omap_board_mux board_mux[] __initdata = {
 	{ .reg_offset = OMAP_MUX_TERMINATOR },
 };
 #else
 #define board_mux	NULL
 #endif

 static void __init am3517_evm_init(void)
 {
 	am3517_evm_i2c_init();

 	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
 	platform_add_devices(am3517_evm_devices,
 				ARRAY_SIZE(am3517_evm_devices));

 	omap_serial_init();

 	/* Configure GPIO for EHCI port */
 	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
 	usb_ehci_init(&ehci_pdata);
 	/* DSS */
 	am3517_evm_display_init();

 	/* RTC - S35390A */
 	am3517_evm_rtc_init();

 	i2c_register_board_info(1, am3517evm_i2c_boardinfo,
 				ARRAY_SIZE(am3517evm_i2c_boardinfo));
 }

 static void __init am3517_evm_map_io(void)
 {
 	omap2_set_globals_343x();
 	omap34xx_map_common_io();
 }

 MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
 	.phys_io	= 0x48000000,
 	.io_pg_offst	= ((0xd8000000) >> 18) & 0xfffc,
 	.boot_params	= 0x80000100,
 	.map_io		= am3517_evm_map_io,
 	.init_irq	= am3517_evm_init_irq,
 	.init_machine	= am3517_evm_init,
 	.timer		= &omap_timer,
 MACHINE_END
	/*
	* 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/platform_device.h>
	#include <linux/gpio.h>
	#include <linux/i2c/pca953x.h>

	#include <mach/hardware.h>
	#include <mach/am35xx.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/usb.h>
	#include <plat/display.h>

	#include "mux.h"

	#define LCD_PANEL_PWR 176
	#define LCD_PANEL_BKLIGHT_PWR 182
	#define LCD_PANEL_PWM 181

	static struct i2c_board_info __initdata am3517evm_i2c_boardinfo[] = {
	{
	I2C_BOARD_INFO("s35390a", 0x30),
	.type = "s35390a",
	},
	};

	/*
	* 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(GPIO_RTCS35390A_IRQ, "rtcs35390a-irq");
	if (r < 0) {
	printk(KERN_WARNING "failed to request GPIO#%d\n",
	GPIO_RTCS35390A_IRQ);
	return;
	}
	r = gpio_direction_input(GPIO_RTCS35390A_IRQ);
	if (r < 0) {
	printk(KERN_WARNING "GPIO#%d cannot be configured as input\n",
	GPIO_RTCS35390A_IRQ);
	gpio_free(GPIO_RTCS35390A_IRQ);
	return;
	}
	am3517evm_i2c_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_tca6416_info_0[] = {
	{
	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_ui_tca6416_info[] = {
	{
	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_tca6416_info_0,
	ARRAY_SIZE(am3517evm_tca6416_info_0));
	omap_register_i2c_bus(3, 400, am3517evm_ui_tca6416_info,
	ARRAY_SIZE(am3517evm_ui_tca6416_info));

	return 0;
	}

	static int lcd_enabled;
	static int dvi_enabled;

	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);
	/*
	* Enable GPIO 182 = LCD Backlight Power
	*/
	r = gpio_request(LCD_PANEL_BKLIGHT_PWR, "lcd_backlight_pwr");
	if (r) {
	printk(KERN_ERR "failed to get lcd_backlight_pwr\n");
	return;
	}
	gpio_direction_output(LCD_PANEL_BKLIGHT_PWR, 1);
	/*
	* Enable GPIO 181 = LCD Panel PWM
	*/
	r = gpio_request(LCD_PANEL_PWM, "lcd_pwm");
	if (r) {
	printk(KERN_ERR "failed to get lcd_pwm\n");
	goto err_1;
	}
	gpio_direction_output(LCD_PANEL_PWM, 1);
	/*
	* Enable GPIO 176 = LCD Panel Power enable pin
	*/
	r = gpio_request(LCD_PANEL_PWR, "lcd_panel_pwr");
	if (r) {
	printk(KERN_ERR "failed to get lcd_panel_pwr\n");
	goto err_2;
	}
	gpio_direction_output(LCD_PANEL_PWR, 1);

	printk(KERN_INFO "Display initialized successfully\n");
	return;

	err_2:
	gpio_free(LCD_PANEL_PWM);
	err_1:
	gpio_free(LCD_PANEL_BKLIGHT_PWR);
	}

	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 omap_dss_device am3517_evm_lcd_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "lcd",
	.driver_name = "sharp_lq_panel",
	.phy.dpi.data_lines = 16,
	.platform_enable = am3517_evm_panel_enable_lcd,
	.platform_disable = am3517_evm_panel_disable_lcd,
	};

	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 int am3517_evm_panel_enable_dvi(struct omap_dss_device *dssdev)
	{
	if (lcd_enabled) {
	printk(KERN_ERR "cannot enable DVI, LCD is enabled\n");
	return -EINVAL;
	}
	dvi_enabled = 1;

	return 0;
	}

	static void am3517_evm_panel_disable_dvi(struct omap_dss_device *dssdev)
	{
	dvi_enabled = 0;
	}

	static struct omap_dss_device am3517_evm_dvi_device = {
	.type = OMAP_DISPLAY_TYPE_DPI,
	.name = "dvi",
	.driver_name = "generic_panel",
	.phy.dpi.data_lines = 24,
	.platform_enable = am3517_evm_panel_enable_dvi,
	.platform_disable = am3517_evm_panel_disable_dvi,
	};

	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,
	};

	struct platform_device am3517_evm_dss_device = {
	.name = "omapdss",
	.id = -1,
	.dev = {
	.platform_data = &am3517_evm_dss_data,
	},
	};

	/*
	* Board initialization
	*/
	static struct omap_board_config_kernel am3517_evm_config[] __initdata = {
	};

	static struct platform_device *am3517_evm_devices[] __initdata = {
	&am3517_evm_dss_device,
	};

	static void __init am3517_evm_init_irq(void)
	{
	omap_board_config = am3517_evm_config;
	omap_board_config_size = ARRAY_SIZE(am3517_evm_config);

	omap2_init_common_hw(NULL, NULL);
	omap_init_irq();
	omap_gpio_init();
	}

	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] = 57,
	.reset_gpio_port[1] = -EINVAL,
	.reset_gpio_port[2] = -EINVAL
	};

	#ifdef CONFIG_OMAP_MUX
	static struct omap_board_mux board_mux[] __initdata = {
	{ .reg_offset = OMAP_MUX_TERMINATOR },
	};
	#else
	#define board_mux NULL
	#endif

	static void __init am3517_evm_init(void)
	{
	am3517_evm_i2c_init();

	omap3_mux_init(board_mux, OMAP_PACKAGE_CBB);
	platform_add_devices(am3517_evm_devices,
	ARRAY_SIZE(am3517_evm_devices));

	omap_serial_init();

	/* Configure GPIO for EHCI port */
	omap_mux_init_gpio(57, OMAP_PIN_OUTPUT);
	usb_ehci_init(&ehci_pdata);
	/* DSS */
	am3517_evm_display_init();

	/* RTC - S35390A */
	am3517_evm_rtc_init();

	i2c_register_board_info(1, am3517evm_i2c_boardinfo,
	ARRAY_SIZE(am3517evm_i2c_boardinfo));
	}

	static void __init am3517_evm_map_io(void)
	{
	omap2_set_globals_343x();
	omap34xx_map_common_io();
	}

	MACHINE_START(OMAP3517EVM, "OMAP3517/AM3517 EVM")
	.phys_io = 0x48000000,
	.io_pg_offst = ((0xd8000000) >> 18) & 0xfffc,
	.boot_params = 0x80000100,
	.map_io = am3517_evm_map_io,
	.init_irq = am3517_evm_init_irq,
	.init_machine = am3517_evm_init,
	.timer = &omap_timer,
	MACHINE_END