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Commit 066fb847 authored by Daniel Mack's avatar Daniel Mack Committed by Sascha Hauer
Browse files

ARM: mx3/lilly1131: add USB support 



Signed-off-by: default avatarDaniel Mack <daniel@caiaq.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
parent 63f4079b

arch/arm/mach-mx3/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -82,6 +82,7 @@ config MACH_MX31MOBOARD 
config MACH_MX31LILLY

	bool "Support MX31 LILLY-1131 platforms (INCO startec)"

	select ARCH_MX31

	select MXC_ULPI if USB_ULPI

	help

	  Include support for mx31 based LILLY1131 modules. This includes

	  specific configurations for the board and its peripherals.

arch/arm/mach-mx3/mach-mx31lilly.c

+145 −0
Original line number Diff line number Diff line
@@ -27,12 +27,15 @@ 
#include <linux/types.h>

#include <linux/init.h>

#include <linux/clk.h>

#include <linux/gpio.h>

#include <linux/platform_device.h>

#include <linux/interrupt.h>

#include <linux/smsc911x.h>

#include <linux/mtd/physmap.h>

#include <linux/spi/spi.h>

#include <linux/mfd/mc13783.h>

#include <linux/usb/otg.h>

#include <linux/usb/ulpi.h>



#include <asm/mach-types.h>

#include <asm/mach/arch.h>
@@ -44,6 +47,8 @@ 
#include <mach/iomux-mx3.h>

#include <mach/board-mx31lilly.h>

#include <mach/spi.h>

#include <mach/mxc_ehci.h>

#include <mach/ulpi.h>



#include "devices.h"
@@ -108,6 +113,137 @@ static struct platform_device physmap_flash_device = { 
	.num_resources = 1,

};



/* USB */



#define USB_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS | \

			PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU)



static int usbotg_init(struct platform_device *pdev)

{

	unsigned int pins[] = {

		MX31_PIN_USBOTG_DATA0__USBOTG_DATA0,

		MX31_PIN_USBOTG_DATA1__USBOTG_DATA1,

		MX31_PIN_USBOTG_DATA2__USBOTG_DATA2,

		MX31_PIN_USBOTG_DATA3__USBOTG_DATA3,

		MX31_PIN_USBOTG_DATA4__USBOTG_DATA4,

		MX31_PIN_USBOTG_DATA5__USBOTG_DATA5,

		MX31_PIN_USBOTG_DATA6__USBOTG_DATA6,

		MX31_PIN_USBOTG_DATA7__USBOTG_DATA7,

		MX31_PIN_USBOTG_CLK__USBOTG_CLK,

		MX31_PIN_USBOTG_DIR__USBOTG_DIR,

		MX31_PIN_USBOTG_NXT__USBOTG_NXT,

		MX31_PIN_USBOTG_STP__USBOTG_STP,

	};



	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB OTG");



	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, USB_PAD_CFG);



	mxc_iomux_set_gpr(MUX_PGP_USB_4WIRE, true);

	mxc_iomux_set_gpr(MUX_PGP_USB_COMMON, true);



	/* chip select */

	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE2, IOMUX_CONFIG_GPIO),

				"USBOTG_CS");

	gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), "USBH1 CS");

	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE2), 0);



	return 0;

}



static int usbh1_init(struct platform_device *pdev)

{

	int pins[] = {

		MX31_PIN_CSPI1_MOSI__USBH1_RXDM,

		MX31_PIN_CSPI1_MISO__USBH1_RXDP,

		MX31_PIN_CSPI1_SS0__USBH1_TXDM,

		MX31_PIN_CSPI1_SS1__USBH1_TXDP,

		MX31_PIN_CSPI1_SS2__USBH1_RCV,

		MX31_PIN_CSPI1_SCLK__USBH1_OEB,

		MX31_PIN_CSPI1_SPI_RDY__USBH1_FS,

	};



	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H1");



	mxc_iomux_set_pad(MX31_PIN_CSPI1_MOSI, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_MISO, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS0, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS1, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_SS2, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_SCLK, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_CSPI1_SPI_RDY, USB_PAD_CFG);



	mxc_iomux_set_gpr(MUX_PGP_USB_SUSPEND, true);



	return 0;

}



static int usbh2_init(struct platform_device *pdev)

{

	int pins[] = {

		MX31_PIN_USBH2_DATA0__USBH2_DATA0,

		MX31_PIN_USBH2_DATA1__USBH2_DATA1,

		MX31_PIN_USBH2_CLK__USBH2_CLK,

		MX31_PIN_USBH2_DIR__USBH2_DIR,

		MX31_PIN_USBH2_NXT__USBH2_NXT,

		MX31_PIN_USBH2_STP__USBH2_STP,

	};



	mxc_iomux_setup_multiple_pins(pins, ARRAY_SIZE(pins), "USB H2");



	mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBH2_STP, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_SRXD6, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_STXD6, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_SFS3, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_SCK3, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_SRXD3, USB_PAD_CFG);

	mxc_iomux_set_pad(MX31_PIN_STXD3, USB_PAD_CFG);



	mxc_iomux_set_gpr(MUX_PGP_UH2, true);



	/* chip select */

	mxc_iomux_alloc_pin(IOMUX_MODE(MX31_PIN_DTR_DCE1, IOMUX_CONFIG_GPIO),

				"USBH2_CS");

	gpio_request(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), "USBH2 CS");

	gpio_direction_output(IOMUX_TO_GPIO(MX31_PIN_DTR_DCE1), 0);



	return 0;

}



static struct mxc_usbh_platform_data usbotg_pdata = {

	.init	= usbotg_init,

	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,

	.flags	= MXC_EHCI_POWER_PINS_ENABLED,

};



static struct mxc_usbh_platform_data usbh1_pdata = {

	.init	= usbh1_init,

	.portsc	= MXC_EHCI_MODE_UTMI | MXC_EHCI_SERIAL,

	.flags	= MXC_EHCI_POWER_PINS_ENABLED | MXC_EHCI_INTERFACE_SINGLE_UNI,

};



static struct mxc_usbh_platform_data usbh2_pdata = {

	.init	= usbh2_init,

	.portsc	= MXC_EHCI_MODE_ULPI | MXC_EHCI_UTMI_8BIT,

	.flags	= MXC_EHCI_POWER_PINS_ENABLED,

};



static struct platform_device *devices[] __initdata = {

	&smsc91x_device,

	&physmap_flash_device,
@@ -183,6 +319,15 @@ static void __init mx31lilly_board_init(void) 
	spi_register_board_info(&mc13783_dev, 1);



	platform_add_devices(devices, ARRAY_SIZE(devices));



	/* USB */

	usbotg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,

				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);

	usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,

				USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT);



	mxc_register_device(&mxc_usbh1, &usbh1_pdata);

	mxc_register_device(&mxc_usbh2, &usbh2_pdata);

}



static void __init mx31lilly_timer_init(void)