diff options
Diffstat (limited to 'arch/arm/mach-imx/ehci-imx35.c')
| -rw-r--r-- | arch/arm/mach-imx/ehci-imx35.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/arch/arm/mach-imx/ehci-imx35.c b/arch/arm/mach-imx/ehci-imx35.c index 001ec3971f5d..73574c30cf50 100644 --- a/arch/arm/mach-imx/ehci-imx35.c +++ b/arch/arm/mach-imx/ehci-imx35.c @@ -24,14 +24,18 @@ #define MX35_OTG_SIC_SHIFT 29 #define MX35_OTG_SIC_MASK (0x3 << MX35_OTG_SIC_SHIFT) #define MX35_OTG_PM_BIT (1 << 24) +#define MX35_OTG_PP_BIT (1 << 11) +#define MX35_OTG_OCPOL_BIT (1 << 3) #define MX35_H1_SIC_SHIFT 21 #define MX35_H1_SIC_MASK (0x3 << MX35_H1_SIC_SHIFT) +#define MX35_H1_PP_BIT (1 << 18) #define MX35_H1_PM_BIT (1 << 8) #define MX35_H1_IPPUE_UP_BIT (1 << 7) #define MX35_H1_IPPUE_DOWN_BIT (1 << 6) #define MX35_H1_TLL_BIT (1 << 5) #define MX35_H1_USBTE_BIT (1 << 4) +#define MX35_H1_OCPOL_BIT (1 << 2) int mx35_initialize_usb_hw(int port, unsigned int flags) { @@ -41,21 +45,35 @@ int mx35_initialize_usb_hw(int port, unsigned int flags) switch (port) { case 0: /* OTG port */ - v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT); + v &= ~(MX35_OTG_SIC_MASK | MX35_OTG_PM_BIT | MX35_OTG_PP_BIT | + MX35_OTG_OCPOL_BIT); v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_OTG_SIC_SHIFT; if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) v |= MX35_OTG_PM_BIT; + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MX35_OTG_PP_BIT; + + if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)) + v |= MX35_OTG_OCPOL_BIT; + break; case 1: /* H1 port */ - v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_TLL_BIT | - MX35_H1_USBTE_BIT | MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); + v &= ~(MX35_H1_SIC_MASK | MX35_H1_PM_BIT | MX35_H1_PP_BIT | + MX35_H1_OCPOL_BIT | MX35_H1_TLL_BIT | MX35_H1_USBTE_BIT | + MX35_H1_IPPUE_DOWN_BIT | MX35_H1_IPPUE_UP_BIT); v |= (flags & MXC_EHCI_INTERFACE_MASK) << MX35_H1_SIC_SHIFT; if (!(flags & MXC_EHCI_POWER_PINS_ENABLED)) v |= MX35_H1_PM_BIT; + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MX35_H1_PP_BIT; + + if (!(flags & MXC_EHCI_OC_PIN_ACTIVE_LOW)) + v |= MX35_H1_OCPOL_BIT; + if (!(flags & MXC_EHCI_TTL_ENABLED)) v |= MX35_H1_TLL_BIT; |