i.MX27 pca100: Add USB support (cb2dc111) · Commits · e / devices / android_kernel_samsung_exynos5433

arch/arm/mach-mx3/Kconfig

+1 −0

Original line number	Diff line number	Diff line
		@@ -87,6 +87,7 @@ config MACH_QONG
		config MACH_PCM043
		bool "Support Phytec pcm043 (i.MX35) platforms"
		select ARCH_MX35
		select MXC_ULPI if USB_ULPI
		help
		Include support for Phytec pcm043 platform. This includes
		specific configurations for the board and its peripherals.

arch/arm/mach-mx3/mach-pcm043.c

+53 −0

Original line number	Diff line number	Diff line
		@@ -28,6 +28,9 @@
		#include <linux/interrupt.h>
		#include <linux/i2c.h>
		#include <linux/i2c/at24.h>
		#include <linux/usb/otg.h>
		#include <linux/usb/ulpi.h>
		#include <linux/fsl_devices.h>

		#include <asm/mach-types.h>
		#include <asm/mach/arch.h>
		@@ -44,6 +47,8 @@
		#include <mach/ipu.h>
		#include <mach/mx3fb.h>
		#include <mach/mxc_nand.h>
		#include <mach/mxc_ehci.h>
		#include <mach/ulpi.h>

		#include "devices.h"

		@@ -205,6 +210,9 @@ static struct pad_desc pcm043_pads[] = {
		MX35_PAD_D3_CLS__IPU_DISPB_D3_CLS,
		/* gpio */
		MX35_PAD_ATA_CS0__GPIO2_6,
		/* USB host */
		MX35_PAD_I2C2_CLK__USB_TOP_USBH2_PWR,
		MX35_PAD_I2C2_DAT__USB_TOP_USBH2_OC,
		};

		static struct mxc_nand_platform_data pcm037_nand_board_info = {
		@@ -212,6 +220,37 @@ static struct mxc_nand_platform_data pcm037_nand_board_info = {
		.hw_ecc = 1,
		};

		static struct mxc_usbh_platform_data otg_pdata = {
		.portsc = MXC_EHCI_MODE_UTMI,
		.flags = MXC_EHCI_INTERFACE_DIFF_UNI,
		};

		static struct mxc_usbh_platform_data usbh1_pdata = {
		.portsc = MXC_EHCI_MODE_SERIAL,
		.flags = MXC_EHCI_INTERFACE_SINGLE_UNI \| MXC_EHCI_INTERNAL_PHY \|
		MXC_EHCI_IPPUE_DOWN,
		};

		static struct fsl_usb2_platform_data otg_device_pdata = {
		.operating_mode = FSL_USB2_DR_DEVICE,
		.phy_mode = FSL_USB2_PHY_UTMI,
		};

		static int otg_mode_host;

		static int __init pcm043_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=", pcm043_otg_mode);

		/*
		* Board specific initialization.
		*/
		@@ -235,6 +274,20 @@ static void __init mxc_board_init(void)

		mxc_register_device(&mx3_ipu, &mx3_ipu_data);
		mxc_register_device(&mx3_fb, &mx3fb_pdata);

		#if defined(CONFIG_USB_ULPI)
		if (otg_mode_host) {
		otg_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops,
		USB_OTG_DRV_VBUS \| USB_OTG_DRV_VBUS_EXT);

		mxc_register_device(&mxc_otg_host, &otg_pdata);
		}

		mxc_register_device(&mxc_usbh1, &usbh1_pdata);
		#endif
		if (!otg_mode_host)
		mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata);

		}

		static void __init pcm043_timer_init(void)