diff options
| author | Frank Li <Frank.Li@freescale.com> | 2010-03-15 18:24:16 +0800 |
|---|---|---|
| committer | Alejandro Gonzalez <alex.gonzalez@digi.com> | 2010-05-25 11:17:22 +0200 |
| commit | 6d6122849bf4d35a388158c0f293a4a78d3c722c (patch) | |
| tree | 0a4e7ebebcdf0558c1b383bb8d881a17f40c43f7 /arch/arm/mach-mx23/usb_dr.c | |
| parent | b22b67e8101e664052c360047b5f98714ea1f82a (diff) | |
ENGR00121313-1 MX23 Enable USB host base new MSL
Enable MX23 usb host at new msl, use gpio to control vbus on/off
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Signed-off-by: Alejandro Gonzalez <alex.gonzalez@digi.com>
Diffstat (limited to 'arch/arm/mach-mx23/usb_dr.c')
| -rw-r--r-- | arch/arm/mach-mx23/usb_dr.c | 53 |
1 files changed, 49 insertions, 4 deletions
diff --git a/arch/arm/mach-mx23/usb_dr.c b/arch/arm/mach-mx23/usb_dr.c index 69cb854366da..385c25aa2016 100644 --- a/arch/arm/mach-mx23/usb_dr.c +++ b/arch/arm/mach-mx23/usb_dr.c @@ -23,7 +23,11 @@ #include <linux/platform_device.h> #include <linux/fsl_devices.h> #include <mach/irqs.h> +#include <mach/mx23.h> #include "usb.h" +#include "mx23_pins.h" + +#define USB_POWER_ENABLE MXS_PIN_TO_GPIO(PINID_GMPI_CE2N) static void usb_host_phy_resume(struct fsl_usb2_platform_data *plat) { @@ -54,7 +58,7 @@ static struct fsl_usb2_platform_data __maybe_unused dr_utmi_config = { .power_budget = 500, /* 500 mA max power */ .platform_resume = usb_host_phy_resume, .transceiver = "utmi", - .phy_regs = USBPHY0_PHYS_ADDR, + .phy_regs = USBPHY_PHYS_ADDR, }; /* @@ -62,15 +66,20 @@ static struct fsl_usb2_platform_data __maybe_unused dr_utmi_config = { */ static struct resource otg_resources[] = { [0] = { - .start = (u32)USBCTRL0_PHYS_ADDR, - .end = (u32)(USBCTRL0_PHYS_ADDR + 0x1ff), + .start = (u32)USBCTRL_PHYS_ADDR, + .end = (u32)(USBCTRL_PHYS_ADDR + 0x1ff), .flags = IORESOURCE_MEM, }, [1] = { - .start = IRQ_USB0, + .start = IRQ_USB_CTRL, .flags = IORESOURCE_IRQ, }, + + [2] = { + .start = IRQ_USB_WAKEUP, + .flags = IORESOURCE_IRQ, + } }; static u64 dr_udc_dmamask = ~(u32) 0; @@ -124,4 +133,40 @@ static int __init usb_dr_init(void) return 0; } +static unsigned int g_usb_power_enable_pin; +void fsl_phy_usb_utmi_init(struct fsl_xcvr_ops *this) +{ + int ret; + g_usb_power_enable_pin = 0; + ret = gpio_request(USB_POWER_ENABLE, "usb_power"); + if (ret) { + pr_err("request usb power enable fail\n"); + } else { + g_usb_power_enable_pin = USB_POWER_ENABLE; + gpio_direction_output(g_usb_power_enable_pin, 0); + } +} + +void fsl_phy_usb_utmi_uninit(struct fsl_xcvr_ops *this) +{ + if (g_usb_power_enable_pin) + gpio_free(g_usb_power_enable_pin); +} + +/*! + * set vbus power + * + * @param view viewport register + * @param on power on or off + */ +void fsl_phy_set_power(struct fsl_xcvr_ops *this, + struct fsl_usb2_platform_data *pdata, int on) +{ + if (g_usb_power_enable_pin) + gpio_set_value(g_usb_power_enable_pin, on); + else + pr_err("not usb power control pin set\n"); +} + module_init(usb_dr_init); + |