diff options
Diffstat (limited to 'arch/arm/mach-mx3/mach-mx35_3ds.c')
-rw-r--r-- | arch/arm/mach-mx3/mach-mx35_3ds.c | 80 |
1 files changed, 64 insertions, 16 deletions
diff --git a/arch/arm/mach-mx3/mach-mx35_3ds.c b/arch/arm/mach-mx3/mach-mx35_3ds.c index b66a75aa2e88..ff5fe231b8d6 100644 --- a/arch/arm/mach-mx3/mach-mx35_3ds.c +++ b/arch/arm/mach-mx3/mach-mx35_3ds.c @@ -26,7 +26,7 @@ #include <linux/platform_device.h> #include <linux/memory.h> #include <linux/gpio.h> -#include <linux/fsl_devices.h> +#include <linux/usb/otg.h> #include <linux/mtd/physmap.h> @@ -40,7 +40,6 @@ #include <mach/iomux-mx35.h> #include <mach/irqs.h> #include <mach/3ds_debugboard.h> -#include <mach/mxc_ehci.h> #include "devices-imx35.h" #include "devices.h" @@ -81,7 +80,7 @@ static struct platform_device *devices[] __initdata = { &mx35pdk_flash, }; -static struct pad_desc mx35pdk_pads[] = { +static iomux_v3_cfg_t mx35pdk_pads[] = { /* UART1 */ MX35_PAD_CTS1__UART1_CTS, MX35_PAD_RTS1__UART1_RTS, @@ -119,43 +118,91 @@ static struct pad_desc mx35pdk_pads[] = { MX35_PAD_SD1_DATA1__ESDHC1_DAT1, MX35_PAD_SD1_DATA2__ESDHC1_DAT2, MX35_PAD_SD1_DATA3__ESDHC1_DAT3, + /* I2C1 */ + MX35_PAD_I2C1_CLK__I2C1_SCL, + MX35_PAD_I2C1_DAT__I2C1_SDA, }; +static int mx35_3ds_otg_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERNAL_PHY); +} + /* OTG config */ -static struct fsl_usb2_platform_data usb_otg_pdata = { +static const struct fsl_usb2_platform_data usb_otg_pdata __initconst = { .operating_mode = FSL_USB2_DR_DEVICE, .phy_mode = FSL_USB2_PHY_UTMI_WIDE, + .workaround = FLS_USB2_WORKAROUND_ENGCM09152, +/* + * ENGCM09152 also requires a hardware change. + * Please check the MX35 Chip Errata document for details. + */ }; +static struct mxc_usbh_platform_data otg_pdata __initdata = { + .init = mx35_3ds_otg_init, + .portsc = MXC_EHCI_MODE_UTMI, +}; + +static int mx35_3ds_usbh_init(struct platform_device *pdev) +{ + return mx35_initialize_usb_hw(pdev->id, MXC_EHCI_INTERFACE_SINGLE_UNI | + MXC_EHCI_INTERNAL_PHY); +} + /* USB HOST config */ -static struct mxc_usbh_platform_data usb_host_pdata = { +static const struct mxc_usbh_platform_data usb_host_pdata __initconst = { + .init = mx35_3ds_usbh_init, .portsc = MXC_EHCI_MODE_SERIAL, - .flags = MXC_EHCI_INTERFACE_SINGLE_UNI | - MXC_EHCI_INTERNAL_PHY, +}; + +static int otg_mode_host; + +static int __init mx35_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=", mx35_3ds_otg_mode); + +static const struct imxi2c_platform_data mx35_3ds_i2c0_data __initconst = { + .bitrate = 100000, }; /* * Board specific initialization. */ -static void __init mxc_board_init(void) +static void __init mx35_3ds_init(void) { mxc_iomux_v3_setup_multiple_pads(mx35pdk_pads, ARRAY_SIZE(mx35pdk_pads)); imx35_add_fec(NULL); + imx35_add_imx2_wdt(NULL); platform_add_devices(devices, ARRAY_SIZE(devices)); imx35_add_imx_uart0(&uart_pdata); - mxc_register_device(&mxc_otg_udc_device, &usb_otg_pdata); + if (otg_mode_host) + imx35_add_mxc_ehci_otg(&otg_pdata); + + imx35_add_mxc_ehci_hs(&usb_host_pdata); - mxc_register_device(&mxc_usbh1, &usb_host_pdata); + if (!otg_mode_host) + imx35_add_fsl_usb2_udc(&usb_otg_pdata); imx35_add_mxc_nand(&mx35pdk_nand_board_info); - imx35_add_esdhc(0, NULL); + imx35_add_sdhci_esdhc_imx(0, NULL); if (mxc_expio_init(MX35_CS5_BASE_ADDR, EXPIO_PARENT_INT)) pr_warn("Init of the debugboard failed, all " "devices on the debugboard are unusable.\n"); + imx35_add_imx_i2c0(&mx35_3ds_i2c0_data); } static void __init mx35pdk_timer_init(void) @@ -169,9 +216,10 @@ struct sys_timer mx35pdk_timer = { MACHINE_START(MX35_3DS, "Freescale MX35PDK") /* Maintainer: Freescale Semiconductor, Inc */ - .boot_params = MX3x_PHYS_OFFSET + 0x100, - .map_io = mx35_map_io, - .init_irq = mx35_init_irq, - .init_machine = mxc_board_init, - .timer = &mx35pdk_timer, + .boot_params = MX3x_PHYS_OFFSET + 0x100, + .map_io = mx35_map_io, + .init_early = imx35_init_early, + .init_irq = mx35_init_irq, + .timer = &mx35pdk_timer, + .init_machine = mx35_3ds_init, MACHINE_END |