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Diffstat (limited to 'arch/arm/mach-imx/ehci-imx35.c')
-rw-r--r--arch/arm/mach-imx/ehci-imx35.c24
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 001ec3971f5..73574c30cf5 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;