diff options
Diffstat (limited to 'arch/arm/mach-mx2')
| -rw-r--r-- | arch/arm/mach-mx2/Kconfig | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mx2/mach-pca100.c | 103 |
2 files changed, 104 insertions, 0 deletions
diff --git a/arch/arm/mach-mx2/Kconfig b/arch/arm/mach-mx2/Kconfig index 7bc797c1c3a..ca1278d5c84 100644 --- a/arch/arm/mach-mx2/Kconfig +++ b/arch/arm/mach-mx2/Kconfig @@ -100,6 +100,7 @@ config MACH_IMX27LITE config MACH_PCA100 bool "Phytec phyCARD-s (pca100)" depends on MACH_MX27 + select MXC_ULPI if USB_ULPI help Include support for phyCARD-s (aka pca100) platform. This includes specific configurations for the module and its peripherals. diff --git a/arch/arm/mach-mx2/mach-pca100.c b/arch/arm/mach-mx2/mach-pca100.c index 9279b42b24b..cda52a6a329 100644 --- a/arch/arm/mach-mx2/mach-pca100.c +++ b/arch/arm/mach-mx2/mach-pca100.c @@ -26,6 +26,9 @@ #include <linux/spi/eeprom.h> #include <linux/irq.h> #include <linux/gpio.h> +#include <linux/usb/otg.h> +#include <linux/usb/ulpi.h> +#include <linux/fsl_devices.h> #include <asm/mach/arch.h> #include <asm/mach-types.h> @@ -41,9 +44,14 @@ #include <mach/mxc_nand.h> #include <mach/irqs.h> #include <mach/mmc.h> +#include <mach/mxc_ehci.h> +#include <mach/ulpi.h> #include "devices.h" +#define OTG_PHY_CS_GPIO (GPIO_PORTB + 23) +#define USBH2_PHY_CS_GPIO (GPIO_PORTB + 24) + static int pca100_pins[] = { /* UART1 */ PE12_PF_UART1_TXD, @@ -92,6 +100,34 @@ static int pca100_pins[] = { PD29_PF_CSPI1_SCLK, PD30_PF_CSPI1_MISO, PD31_PF_CSPI1_MOSI, + /* OTG */ + OTG_PHY_CS_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, + /* USBH2 */ + USBH2_PHY_CS_GPIO | GPIO_GPIO | GPIO_OUT, + PA0_PF_USBH2_CLK, + PA1_PF_USBH2_DIR, + PA2_PF_USBH2_DATA7, + PA3_PF_USBH2_NXT, + PA4_PF_USBH2_STP, + PD19_AF_USBH2_DATA4, + PD20_AF_USBH2_DATA3, + PD21_AF_USBH2_DATA6, + PD22_AF_USBH2_DATA0, + PD23_AF_USBH2_DATA2, + PD24_AF_USBH2_DATA1, + PD26_AF_USBH2_DATA5, }; static struct imxuart_platform_data uart_pdata = { @@ -182,6 +218,50 @@ static struct imxmmc_platform_data sdhc_pdata = { .exit = pca100_sdhc2_exit, }; +static int otg_phy_init(struct platform_device *pdev) +{ + gpio_set_value(OTG_PHY_CS_GPIO, 0); + return 0; +} + +static struct mxc_usbh_platform_data otg_pdata = { + .init = otg_phy_init, + .portsc = MXC_EHCI_MODE_ULPI, + .flags = MXC_EHCI_INTERFACE_DIFF_UNI, +}; + +static int usbh2_phy_init(struct platform_device *pdev) +{ + gpio_set_value(USBH2_PHY_CS_GPIO, 0); + return 0; +} + +static struct mxc_usbh_platform_data usbh2_pdata = { + .init = usbh2_phy_init, + .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 pca100_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=", pca100_otg_mode); + static void __init pca100_init(void) { int ret; @@ -220,6 +300,29 @@ static void __init pca100_init(void) mxc_register_device(&mxc_spi_device0, &pca100_spi_0_data); #endif + gpio_request(OTG_PHY_CS_GPIO, "usb-otg-cs"); + gpio_direction_output(OTG_PHY_CS_GPIO, 1); + gpio_request(USBH2_PHY_CS_GPIO, "usb-host2-cs"); + gpio_direction_output(USBH2_PHY_CS_GPIO, 1); + +#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) { + gpio_set_value(OTG_PHY_CS_GPIO, 0); + mxc_register_device(&mxc_otg_udc_device, &otg_device_pdata); + } + platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices)); } |