diff options
| -rw-r--r-- | arch/arm/mach-mx3/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx3/mach-pcm037.c | 137 |
2 files changed, 93 insertions, 45 deletions
diff --git a/arch/arm/mach-mx3/Kconfig b/arch/arm/mach-mx3/Kconfig index 28294416b0a..2232b7b04b6 100644 --- a/arch/arm/mach-mx3/Kconfig +++ b/arch/arm/mach-mx3/Kconfig @@ -34,6 +34,7 @@ config MACH_MX31ADS_WM1133_EV1 config MACH_PCM037 bool "Support Phytec pcm037 (i.MX31) platforms" select ARCH_MX31 + select MXC_ULPI if USB_ULPI help Include support for Phytec pcm037 platform. This includes specific configurations for the board and its peripherals. diff --git a/arch/arm/mach-mx3/mach-pcm037.c b/arch/arm/mach-mx3/mach-pcm037.c index 21f54811a63..11f53155916 100644 --- a/arch/arm/mach-mx3/mach-pcm037.c +++ b/arch/arm/mach-mx3/mach-pcm037.c @@ -33,6 +33,9 @@ #include <linux/irq.h> #include <linux/fsl_devices.h> #include <linux/can/platform/sja1000.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> #include <media/soc_camera.h> @@ -51,6 +54,8 @@ #include <mach/mx3_camera.h> #include <mach/mx3fb.h> #include <mach/mxc_nand.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" #include "pcm037.h" @@ -172,19 +177,7 @@ static unsigned int pcm037_pins[] = { MX31_PIN_CSI_VSYNC__CSI_VSYNC, /* GPIO */ IOMUX_MODE(MX31_PIN_ATA_DMACK, IOMUX_CONFIG_GPIO), -}; - -static struct physmap_flash_data pcm037_flash_data = { - .width = 2, -}; - -static struct resource pcm037_flash_resource = { - .start = 0xa0000000, - .end = 0xa1ffffff, - .flags = IORESOURCE_MEM, -}; - -static int usbotg_pins[] = { + /* OTG */ MX31_PIN_USBOTG_DATA0__USBOTG_DATA0, MX31_PIN_USBOTG_DATA1__USBOTG_DATA1, MX31_PIN_USBOTG_DATA2__USBOTG_DATA2, @@ -197,39 +190,29 @@ static int usbotg_pins[] = { MX31_PIN_USBOTG_DIR__USBOTG_DIR, MX31_PIN_USBOTG_NXT__USBOTG_NXT, MX31_PIN_USBOTG_STP__USBOTG_STP, + /* USB host 2 */ + IOMUX_MODE(MX31_PIN_USBH2_CLK, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DIR, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_NXT, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_STP, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA0, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_USBH2_DATA1, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_STXD3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SRXD3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SCK3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SFS3, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_STXD6, IOMUX_CONFIG_FUNC), + IOMUX_MODE(MX31_PIN_SRXD6, IOMUX_CONFIG_FUNC), }; -/* USB OTG HS port */ -static int __init gpio_usbotg_hs_activate(void) -{ - int ret = mxc_iomux_setup_multiple_pins(usbotg_pins, - ARRAY_SIZE(usbotg_pins), "usbotg"); - - if (ret < 0) { - printk(KERN_ERR "Cannot set up OTG pins\n"); - return ret; - } - - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA0, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA1, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA2, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA3, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA4, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA5, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA6, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DATA7, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_CLK, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_DIR, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_NXT, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - mxc_iomux_set_pad(MX31_PIN_USBOTG_STP, PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST); - - return 0; -} +static struct physmap_flash_data pcm037_flash_data = { + .width = 2, +}; -/* OTG config */ -static struct fsl_usb2_platform_data usb_pdata = { - .operating_mode = FSL_USB2_DR_DEVICE, - .phy_mode = FSL_USB2_PHY_ULPI, +static struct resource pcm037_flash_resource = { + .start = 0xa0000000, + .end = 0xa1ffffff, + .flags = IORESOURCE_MEM, }; static struct platform_device pcm037_flash = { @@ -561,16 +544,65 @@ static struct platform_device pcm970_sja1000 = { .num_resources = ARRAY_SIZE(pcm970_sja1000_resources), }; +static struct mxc_usbh_platform_data otg_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct mxc_usbh_platform_data usbh2_pdata = { + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static struct fsl_usb2_platform_data otg_device_pdata = { + .operating_mode = FSL_USB2_DR_DEVICE, + .phy_mode = FSL_USB2_PHY_ULPI, +}; + +static int otg_mode_host; + +static int __init pcm037_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=", pcm037_otg_mode); + /* * Board specific initialization. */ static void __init mxc_board_init(void) { int ret; + u32 tmp; + + mxc_iomux_set_gpr(MUX_PGP_UH2, 1); mxc_iomux_setup_multiple_pins(pcm037_pins, ARRAY_SIZE(pcm037_pins), "pcm037"); +#define H2_PAD_CFG (PAD_CTL_DRV_MAX | PAD_CTL_SRE_FAST | PAD_CTL_HYS_CMOS \ + | PAD_CTL_ODE_CMOS | PAD_CTL_100K_PU) + + mxc_iomux_set_pad(MX31_PIN_USBH2_CLK, H2_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DIR, H2_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_NXT, H2_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_STP, H2_PAD_CFG); + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA0, H2_PAD_CFG); /* USBH2_DATA0 */ + mxc_iomux_set_pad(MX31_PIN_USBH2_DATA1, H2_PAD_CFG); /* USBH2_DATA1 */ + mxc_iomux_set_pad(MX31_PIN_SRXD6, H2_PAD_CFG); /* USBH2_DATA2 */ + mxc_iomux_set_pad(MX31_PIN_STXD6, H2_PAD_CFG); /* USBH2_DATA3 */ + mxc_iomux_set_pad(MX31_PIN_SFS3, H2_PAD_CFG); /* USBH2_DATA4 */ + mxc_iomux_set_pad(MX31_PIN_SCK3, H2_PAD_CFG); /* USBH2_DATA5 */ + mxc_iomux_set_pad(MX31_PIN_SRXD3, H2_PAD_CFG); /* USBH2_DATA6 */ + mxc_iomux_set_pad(MX31_PIN_STXD3, H2_PAD_CFG); /* USBH2_DATA7 */ + if (pcm037_variant() == PCM037_EET) mxc_iomux_setup_multiple_pins(pcm037_uart1_pins, ARRAY_SIZE(pcm037_uart1_pins), "pcm037_uart1"); @@ -608,8 +640,6 @@ static void __init mxc_board_init(void) mxc_register_device(&mxcsdhc_device0, &sdhc_pdata); mxc_register_device(&mx3_ipu, &mx3_ipu_data); mxc_register_device(&mx3_fb, &mx3fb_pdata); - if (!gpio_usbotg_hs_activate()) - mxc_register_device(&mxc_otg_udc_device, &usb_pdata); /* CSI */ /* Camera power: default - off */ @@ -623,6 +653,23 @@ static void __init mxc_board_init(void) mxc_register_device(&mx3_camera, &camera_pdata); platform_device_register(&pcm970_sja1000); + +#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); + } + + usbh2_pdata.otg = otg_ulpi_create(&mxc_ulpi_access_ops, + USB_OTG_DRV_VBUS | USB_OTG_DRV_VBUS_EXT); + + mxc_register_device(&mxc_usbh2, &usbh2_pdata); +#endif + if (!otg_mode_host) + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + } static void __init pcm037_timer_init(void) |