arch/arm/mach-imx/mach-mx27_3ds.c - kernel/msm-4.9 - Gitiles

 /*
  * Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
  *
  * Author: Fabio Estevam <fabio.estevam@freescale.com>
  *
  * 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; either version 2 of the License, or
  * (at your option) any later version.
  *
  * 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.
  */

 /*
  * This machine is known as:
  *  - i.MX27 3-Stack Development System
  *  - i.MX27 Platform Development Kit (i.MX27 PDK)
  */

 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 #include <linux/delay.h>
 #include <linux/mfd/mc13783.h>
 #include <linux/spi/spi.h>
 #include <linux/regulator/machine.h>

 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/iomux-mx27.h>
 #include <mach/ulpi.h>
 #include <mach/irqs.h>
 #include <mach/3ds_debugboard.h>

 #include "devices-imx27.h"

 #define SD1_EN_GPIO (GPIO_PORTB + 25)
 #define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23)
 #define SPI2_SS0 (GPIO_PORTD + 21)
 #define EXPIO_PARENT_INT	(MXC_INTERNAL_IRQS + GPIO_PORTC + 28)

 static const int mx27pdk_pins[] __initconst = {
 	/* UART1 */
 	PE12_PF_UART1_TXD,
 	PE13_PF_UART1_RXD,
 	PE14_PF_UART1_CTS,
 	PE15_PF_UART1_RTS,
 	/* FEC */
 	PD0_AIN_FEC_TXD0,
 	PD1_AIN_FEC_TXD1,
 	PD2_AIN_FEC_TXD2,
 	PD3_AIN_FEC_TXD3,
 	PD4_AOUT_FEC_RX_ER,
 	PD5_AOUT_FEC_RXD1,
 	PD6_AOUT_FEC_RXD2,
 	PD7_AOUT_FEC_RXD3,
 	PD8_AF_FEC_MDIO,
 	PD9_AIN_FEC_MDC,
 	PD10_AOUT_FEC_CRS,
 	PD11_AOUT_FEC_TX_CLK,
 	PD12_AOUT_FEC_RXD0,
 	PD13_AOUT_FEC_RX_DV,
 	PD14_AOUT_FEC_RX_CLK,
 	PD15_AOUT_FEC_COL,
 	PD16_AIN_FEC_TX_ER,
 	PF23_AIN_FEC_TX_EN,
 	/* SDHC1 */
 	PE18_PF_SD1_D0,
 	PE19_PF_SD1_D1,
 	PE20_PF_SD1_D2,
 	PE21_PF_SD1_D3,
 	PE22_PF_SD1_CMD,
 	PE23_PF_SD1_CLK,
 	SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
 	/* OTG */
 	OTG_PHY_RESET_GPIO | GPIO_GPIO | GPIO_OUT,
 	PC7_PF_USBOTG_DATA5,
 	PC8_PF_USBOTG_DATA6,
 	PC9_PF_USBOTG_DATA0,
 	PC10_PF_USBOTG_DATA2,
 	PC11_PF_USBOTG_DATA1,
 	PC12_PF_USBOTG_DATA4,
 	PC13_PF_USBOTG_DATA3,
 	PE0_PF_USBOTG_NXT,
 	PE1_PF_USBOTG_STP,
 	PE2_PF_USBOTG_DIR,
 	PE24_PF_USBOTG_CLK,
 	PE25_PF_USBOTG_DATA7,
 	/* CSPI2 */
 	PD22_PF_CSPI2_SCLK,
 	PD23_PF_CSPI2_MISO,
 	PD24_PF_CSPI2_MOSI,
 };

 static const struct imxuart_platform_data uart_pdata __initconst = {
 	.flags = IMXUART_HAVE_RTSCTS,
 };

 /*
  * Matrix keyboard
  */

 static const uint32_t mx27_3ds_keymap[] = {
 	KEY(0, 0, KEY_UP),
 	KEY(0, 1, KEY_DOWN),
 	KEY(1, 0, KEY_RIGHT),
 	KEY(1, 1, KEY_LEFT),
 	KEY(1, 2, KEY_ENTER),
 	KEY(2, 0, KEY_F6),
 	KEY(2, 1, KEY_F8),
 	KEY(2, 2, KEY_F9),
 	KEY(2, 3, KEY_F10),
 };

 static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
 	.keymap		= mx27_3ds_keymap,
 	.keymap_size	= ARRAY_SIZE(mx27_3ds_keymap),
 };

 static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
 				void *data)
 {
 	return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
 			IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
 }

 static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
 {
 	free_irq(IRQ_GPIOB(26), data);
 }

 static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
 	.init = mx27_3ds_sdhc1_init,
 	.exit = mx27_3ds_sdhc1_exit,
 };

 static void mx27_3ds_sdhc1_enable_level_translator(void)
 {
 	/* Turn on TXB0108 OE pin */
 	gpio_request(SD1_EN_GPIO, "sd1_enable");
 	gpio_direction_output(SD1_EN_GPIO, 1);
 }


 static int otg_phy_init(void)
 {
 	gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
 	gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
 	mdelay(1);
 	gpio_set_value(OTG_PHY_RESET_GPIO, 1);
 	return 0;
 }

 #if defined(CONFIG_USB_ULPI)

 static struct mxc_usbh_platform_data otg_pdata __initdata = {
 	.portsc	= MXC_EHCI_MODE_ULPI,
 	.flags	= MXC_EHCI_INTERFACE_DIFF_UNI,
 };
 #endif

 static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
 	.operating_mode = FSL_USB2_DR_DEVICE,
 	.phy_mode       = FSL_USB2_PHY_ULPI,
 };

 static int otg_mode_host;

 static int __init mx27_3ds_otg_mode(char *options)
 {
 	if (!strcmp(options, "host"))
 		otg_mode_host = 1;
 	else if (!strcmp(options, "device"))
 		otg_mode_host = 0;
 	else
 		pr_info("otg_mode neither \"host\" nor \"device\". "
 			"Defaulting to device\n");
 	return 0;
 }
 __setup("otg_mode=", mx27_3ds_otg_mode);

 /* Regulators */
 static struct regulator_consumer_supply vmmc1_consumers[] = {
 	REGULATOR_SUPPLY("lcd_2v8", NULL),
 };

 static struct regulator_init_data vmmc1_init = {
 	.constraints = {
 		.min_uV	= 2800000,
 		.max_uV = 2800000,
 		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 	},
 	.num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
 	.consumer_supplies = vmmc1_consumers,
 };

 static struct regulator_consumer_supply vgen_consumers[] = {
 	REGULATOR_SUPPLY("vdd_lcdio", NULL),
 };

 static struct regulator_init_data vgen_init = {
 	.constraints = {
 		.min_uV	= 1800000,
 		.max_uV = 1800000,
 		.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
 	},
 	.num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
 	.consumer_supplies = vgen_consumers,
 };

 static struct mc13783_regulator_init_data mx27_3ds_regulators[] = {
 	{
 		.id = MC13783_REG_VMMC1,
 		.init_data = &vmmc1_init,
 	}, {
 		.id = MC13783_REG_VGEN,
 		.init_data = &vgen_init,
 	},
 };

 /* MC13783 */
 static struct mc13783_platform_data mc13783_pdata __initdata = {
 	.regulators = mx27_3ds_regulators,
 	.num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
 	.flags  = MC13783_USE_REGULATOR,
 };

 /* SPI */
 static int spi2_internal_chipselect[] = {SPI2_SS0};

 static const struct spi_imx_master spi2_pdata __initconst = {
 	.chipselect	= spi2_internal_chipselect,
 	.num_chipselect	= ARRAY_SIZE(spi2_internal_chipselect),
 };

 static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
 	{
 		.modalias	= "mc13783",
 		.max_speed_hz	= 1000000,
 		.bus_num	= 1,
 		.chip_select	= 0, /* SS0 */
 		.platform_data	= &mc13783_pdata,
 		.irq = IRQ_GPIOC(14),
 		.mode = SPI_CS_HIGH,
 	},
 };


 static void __init mx27pdk_init(void)
 {
 	mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
 		"mx27pdk");
 	mx27_3ds_sdhc1_enable_level_translator();
 	imx27_add_imx_uart0(&uart_pdata);
 	imx27_add_fec(NULL);
 	imx27_add_imx_keypad(&mx27_3ds_keymap_data);
 	imx27_add_mxc_mmc(0, &sdhc1_pdata);
 	imx27_add_imx2_wdt(NULL);
 	otg_phy_init();
 #if defined(CONFIG_USB_ULPI)
 	if (otg_mode_host) {
 		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
 				ULPI_OTG_DRVVBUS | ULPI_OTG_DRVVBUS_EXT);

 		imx27_add_mxc_ehci_otg(&otg_pdata);
 	}
 #endif
 	if (!otg_mode_host)
 		imx27_add_fsl_usb2_udc(&otg_device_pdata);

 	imx27_add_spi_imx1(&spi2_pdata);
 	spi_register_board_info(mx27_3ds_spi_devs,
 						ARRAY_SIZE(mx27_3ds_spi_devs));

 	if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
 		pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
 }

 static void __init mx27pdk_timer_init(void)
 {
 	mx27_clocks_init(26000000);
 }

 static struct sys_timer mx27pdk_timer = {
 	.init	= mx27pdk_timer_init,
 };

 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
 	/* maintainer: Freescale Semiconductor, Inc. */
 	.boot_params    = MX27_PHYS_OFFSET + 0x100,
 	.map_io         = mx27_map_io,
 	.init_irq       = mx27_init_irq,
 	.init_machine   = mx27pdk_init,
 	.timer          = &mx27pdk_timer,
 MACHINE_END
	/*
	* Copyright 2009 Freescale Semiconductor, Inc. All Rights Reserved.
	*
	* Author: Fabio Estevam <fabio.estevam@freescale.com>
	*
	* 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; either version 2 of the License, or
	* (at your option) any later version.
	*
	* 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.
	*/

	/*
	* This machine is known as:
	* - i.MX27 3-Stack Development System
	* - i.MX27 Platform Development Kit (i.MX27 PDK)
	*/

	#include <linux/platform_device.h>
	#include <linux/gpio.h>
	#include <linux/irq.h>
	#include <linux/usb/otg.h>
	#include <linux/usb/ulpi.h>
	#include <linux/delay.h>
	#include <linux/mfd/mc13783.h>
	#include <linux/spi/spi.h>
	#include <linux/regulator/machine.h>

	#include <asm/mach-types.h>
	#include <asm/mach/arch.h>
	#include <asm/mach/time.h>
	#include <mach/hardware.h>
	#include <mach/common.h>
	#include <mach/iomux-mx27.h>
	#include <mach/ulpi.h>
	#include <mach/irqs.h>
	#include <mach/3ds_debugboard.h>

	#include "devices-imx27.h"

	#define SD1_EN_GPIO (GPIO_PORTB + 25)
	#define OTG_PHY_RESET_GPIO (GPIO_PORTB + 23)
	#define SPI2_SS0 (GPIO_PORTD + 21)
	#define EXPIO_PARENT_INT (MXC_INTERNAL_IRQS + GPIO_PORTC + 28)

	static const int mx27pdk_pins[] __initconst = {
	/* UART1 */
	PE12_PF_UART1_TXD,
	PE13_PF_UART1_RXD,
	PE14_PF_UART1_CTS,
	PE15_PF_UART1_RTS,
	/* FEC */
	PD0_AIN_FEC_TXD0,
	PD1_AIN_FEC_TXD1,
	PD2_AIN_FEC_TXD2,
	PD3_AIN_FEC_TXD3,
	PD4_AOUT_FEC_RX_ER,
	PD5_AOUT_FEC_RXD1,
	PD6_AOUT_FEC_RXD2,
	PD7_AOUT_FEC_RXD3,
	PD8_AF_FEC_MDIO,
	PD9_AIN_FEC_MDC,
	PD10_AOUT_FEC_CRS,
	PD11_AOUT_FEC_TX_CLK,
	PD12_AOUT_FEC_RXD0,
	PD13_AOUT_FEC_RX_DV,
	PD14_AOUT_FEC_RX_CLK,
	PD15_AOUT_FEC_COL,
	PD16_AIN_FEC_TX_ER,
	PF23_AIN_FEC_TX_EN,
	/* SDHC1 */
	PE18_PF_SD1_D0,
	PE19_PF_SD1_D1,
	PE20_PF_SD1_D2,
	PE21_PF_SD1_D3,
	PE22_PF_SD1_CMD,
	PE23_PF_SD1_CLK,
	SD1_EN_GPIO \| GPIO_GPIO \| GPIO_OUT,
	/* OTG */
	OTG_PHY_RESET_GPIO \| GPIO_GPIO \| GPIO_OUT,
	PC7_PF_USBOTG_DATA5,
	PC8_PF_USBOTG_DATA6,
	PC9_PF_USBOTG_DATA0,
	PC10_PF_USBOTG_DATA2,
	PC11_PF_USBOTG_DATA1,
	PC12_PF_USBOTG_DATA4,
	PC13_PF_USBOTG_DATA3,
	PE0_PF_USBOTG_NXT,
	PE1_PF_USBOTG_STP,
	PE2_PF_USBOTG_DIR,
	PE24_PF_USBOTG_CLK,
	PE25_PF_USBOTG_DATA7,
	/* CSPI2 */
	PD22_PF_CSPI2_SCLK,
	PD23_PF_CSPI2_MISO,
	PD24_PF_CSPI2_MOSI,
	};

	static const struct imxuart_platform_data uart_pdata __initconst = {
	.flags = IMXUART_HAVE_RTSCTS,
	};

	/*
	* Matrix keyboard
	*/

	static const uint32_t mx27_3ds_keymap[] = {
	KEY(0, 0, KEY_UP),
	KEY(0, 1, KEY_DOWN),
	KEY(1, 0, KEY_RIGHT),
	KEY(1, 1, KEY_LEFT),
	KEY(1, 2, KEY_ENTER),
	KEY(2, 0, KEY_F6),
	KEY(2, 1, KEY_F8),
	KEY(2, 2, KEY_F9),
	KEY(2, 3, KEY_F10),
	};

	static const struct matrix_keymap_data mx27_3ds_keymap_data __initconst = {
	.keymap = mx27_3ds_keymap,
	.keymap_size = ARRAY_SIZE(mx27_3ds_keymap),
	};

	static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
	void *data)
	{
	return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING \|
	IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
	}

	static void mx27_3ds_sdhc1_exit(struct device dev, void data)
	{
	free_irq(IRQ_GPIOB(26), data);
	}

	static const struct imxmmc_platform_data sdhc1_pdata __initconst = {
	.init = mx27_3ds_sdhc1_init,
	.exit = mx27_3ds_sdhc1_exit,
	};

	static void mx27_3ds_sdhc1_enable_level_translator(void)
	{
	/* Turn on TXB0108 OE pin */
	gpio_request(SD1_EN_GPIO, "sd1_enable");
	gpio_direction_output(SD1_EN_GPIO, 1);
	}


	static int otg_phy_init(void)
	{
	gpio_request(OTG_PHY_RESET_GPIO, "usb-otg-reset");
	gpio_direction_output(OTG_PHY_RESET_GPIO, 0);
	mdelay(1);
	gpio_set_value(OTG_PHY_RESET_GPIO, 1);
	return 0;
	}

	#if defined(CONFIG_USB_ULPI)

	static struct mxc_usbh_platform_data otg_pdata __initdata = {
	.portsc = MXC_EHCI_MODE_ULPI,
	.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
	};
	#endif

	static const struct fsl_usb2_platform_data otg_device_pdata __initconst = {
	.operating_mode = FSL_USB2_DR_DEVICE,
	.phy_mode = FSL_USB2_PHY_ULPI,
	};

	static int otg_mode_host;

	static int __init mx27_3ds_otg_mode(char *options)
	{
	if (!strcmp(options, "host"))
	otg_mode_host = 1;
	else if (!strcmp(options, "device"))
	otg_mode_host = 0;
	else
	pr_info("otg_mode neither \"host\" nor \"device\". "
	"Defaulting to device\n");
	return 0;
	}
	__setup("otg_mode=", mx27_3ds_otg_mode);

	/* Regulators */
	static struct regulator_consumer_supply vmmc1_consumers[] = {
	REGULATOR_SUPPLY("lcd_2v8", NULL),
	};

	static struct regulator_init_data vmmc1_init = {
	.constraints = {
	.min_uV = 2800000,
	.max_uV = 2800000,
	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
	},
	.num_consumer_supplies = ARRAY_SIZE(vmmc1_consumers),
	.consumer_supplies = vmmc1_consumers,
	};

	static struct regulator_consumer_supply vgen_consumers[] = {
	REGULATOR_SUPPLY("vdd_lcdio", NULL),
	};

	static struct regulator_init_data vgen_init = {
	.constraints = {
	.min_uV = 1800000,
	.max_uV = 1800000,
	.valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
	},
	.num_consumer_supplies = ARRAY_SIZE(vgen_consumers),
	.consumer_supplies = vgen_consumers,
	};

	static struct mc13783_regulator_init_data mx27_3ds_regulators[] = {
	{
	.id = MC13783_REG_VMMC1,
	.init_data = &vmmc1_init,
	}, {
	.id = MC13783_REG_VGEN,
	.init_data = &vgen_init,
	},
	};

	/* MC13783 */
	static struct mc13783_platform_data mc13783_pdata __initdata = {
	.regulators = mx27_3ds_regulators,
	.num_regulators = ARRAY_SIZE(mx27_3ds_regulators),
	.flags = MC13783_USE_REGULATOR,
	};

	/* SPI */
	static int spi2_internal_chipselect[] = {SPI2_SS0};

	static const struct spi_imx_master spi2_pdata __initconst = {
	.chipselect = spi2_internal_chipselect,
	.num_chipselect = ARRAY_SIZE(spi2_internal_chipselect),
	};

	static struct spi_board_info mx27_3ds_spi_devs[] __initdata = {
	{
	.modalias = "mc13783",
	.max_speed_hz = 1000000,
	.bus_num = 1,
	.chip_select = 0, /* SS0 */
	.platform_data = &mc13783_pdata,
	.irq = IRQ_GPIOC(14),
	.mode = SPI_CS_HIGH,
	},
	};


	static void __init mx27pdk_init(void)
	{
	mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
	"mx27pdk");
	mx27_3ds_sdhc1_enable_level_translator();
	imx27_add_imx_uart0(&uart_pdata);
	imx27_add_fec(NULL);
	imx27_add_imx_keypad(&mx27_3ds_keymap_data);
	imx27_add_mxc_mmc(0, &sdhc1_pdata);
	imx27_add_imx2_wdt(NULL);
	otg_phy_init();
	#if defined(CONFIG_USB_ULPI)
	if (otg_mode_host) {
	otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
	ULPI_OTG_DRVVBUS \| ULPI_OTG_DRVVBUS_EXT);

	imx27_add_mxc_ehci_otg(&otg_pdata);
	}
	#endif
	if (!otg_mode_host)
	imx27_add_fsl_usb2_udc(&otg_device_pdata);

	imx27_add_spi_imx1(&spi2_pdata);
	spi_register_board_info(mx27_3ds_spi_devs,
	ARRAY_SIZE(mx27_3ds_spi_devs));

	if (mxc_expio_init(MX27_CS5_BASE_ADDR, EXPIO_PARENT_INT))
	pr_warn("Init of the debugboard failed, all devices on the debugboard are unusable.\n");
	}

	static void __init mx27pdk_timer_init(void)
	{
	mx27_clocks_init(26000000);
	}

	static struct sys_timer mx27pdk_timer = {
	.init = mx27pdk_timer_init,
	};

	MACHINE_START(MX27_3DS, "Freescale MX27PDK")
	/* maintainer: Freescale Semiconductor, Inc. */
	.boot_params = MX27_PHYS_OFFSET + 0x100,
	.map_io = mx27_map_io,
	.init_irq = mx27_init_irq,
	.init_machine = mx27pdk_init,
	.timer = &mx27pdk_timer,
	MACHINE_END