diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-mx5.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-mx5.c b/drivers/usb/host/ehci-mx5.c index 6f7fe80a5..7e60c3c3b 100644 --- a/drivers/usb/host/ehci-mx5.c +++ b/drivers/usb/host/ehci-mx5.c @@ -46,29 +46,43 @@ #define MXC_OTG_UCTRL_OWIE_BIT (1 << 27) /* OTG power mask */ #define MXC_OTG_UCTRL_OPM_BIT (1 << 24) +/* OTG power pin polarity */ +#define MXC_OTG_UCTRL_O_PWR_POL_BIT (1 << 24) /* Host1 ULPI interrupt enable */ #define MXC_H1_UCTRL_H1UIE_BIT (1 << 12) /* HOST1 wakeup intr enable */ #define MXC_H1_UCTRL_H1WIE_BIT (1 << 11) /* HOST1 power mask */ #define MXC_H1_UCTRL_H1PM_BIT (1 << 8) +/* HOST1 power pin polarity */ +#define MXC_H1_UCTRL_H1_PWR_POL_BIT (1 << 8) /* USB_PHY_CTRL_FUNC */ +/* OTG Polarity of Overcurrent */ +#define MXC_OTG_PHYCTRL_OC_POL_BIT (1 << 9) /* OTG Disable Overcurrent Event */ #define MXC_OTG_PHYCTRL_OC_DIS_BIT (1 << 8) +/* UH1 Polarity of Overcurrent */ +#define MXC_H1_OC_POL_BIT (1 << 6) /* UH1 Disable Overcurrent Event */ #define MXC_H1_OC_DIS_BIT (1 << 5) +/* OTG Power Pin Polarity */ +#define MXC_OTG_PHYCTRL_PWR_POL_BIT (1 << 3) /* USBH2CTRL */ +#define MXC_H2_UCTRL_H2_OC_POL_BIT (1 << 31) #define MXC_H2_UCTRL_H2_OC_DIS_BIT (1 << 30) #define MXC_H2_UCTRL_H2UIE_BIT (1 << 8) #define MXC_H2_UCTRL_H2WIE_BIT (1 << 7) #define MXC_H2_UCTRL_H2PM_BIT (1 << 4) +#define MXC_H2_UCTRL_H2_PWR_POL_BIT (1 << 4) /* USBH3CTRL */ +#define MXC_H3_UCTRL_H3_OC_POL_BIT (1 << 31) #define MXC_H3_UCTRL_H3_OC_DIS_BIT (1 << 30) #define MXC_H3_UCTRL_H3UIE_BIT (1 << 8) #define MXC_H3_UCTRL_H3WIE_BIT (1 << 7) +#define MXC_H3_UCTRL_H3_PWR_POL_BIT (1 << 4) /* USB_CTRL_1 */ #define MXC_USB_CTRL_UH1_EXT_CLK_EN (1 << 25) @@ -158,12 +172,22 @@ int mxc_set_usbcontrol(int port, unsigned int flags) if (flags & MXC_EHCI_INTERNAL_PHY) { v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_OTG_PHYCTRL_OC_POL_BIT; + else + v &= ~MXC_OTG_PHYCTRL_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) /* OC/USBPWR is used */ v &= ~MXC_OTG_PHYCTRL_OC_DIS_BIT; else /* OC/USBPWR is not used */ v |= MXC_OTG_PHYCTRL_OC_DIS_BIT; +#ifdef CONFIG_MX51 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_OTG_PHYCTRL_PWR_POL_BIT; + else + v &= ~MXC_OTG_PHYCTRL_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); @@ -174,6 +198,12 @@ int mxc_set_usbcontrol(int port, unsigned int flags) else v |= MXC_OTG_UCTRL_OPM_BIT; #endif +#ifdef CONFIG_MX53 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_OTG_UCTRL_O_PWR_POL_BIT; + else + v &= ~MXC_OTG_UCTRL_O_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); } break; @@ -193,9 +223,19 @@ int mxc_set_usbcontrol(int port, unsigned int flags) else v |= MXC_H1_UCTRL_H1PM_BIT; /* H1 power mask used */ #endif +#ifdef CONFIG_MX53 + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H1_UCTRL_H1_PWR_POL_BIT; + else + v &= ~MXC_H1_UCTRL_H1_PWR_POL_BIT; +#endif __raw_writel(v, usbother_base + MXC_USBCTRL_OFFSET); v = __raw_readl(usbother_base + MXC_USB_PHY_CTR_FUNC_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H1_OC_POL_BIT; + else + v &= ~MXC_H1_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) v &= ~MXC_H1_OC_DIS_BIT; /* OC is used */ else @@ -212,20 +252,36 @@ int mxc_set_usbcontrol(int port, unsigned int flags) v |= MXC_H2_UCTRL_H2PM_BIT; /* H2 power mask used */ #endif #ifdef CONFIG_MX53 + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H2_UCTRL_H2_OC_POL_BIT; + else + v &= ~MXC_H2_UCTRL_H2_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) v &= ~MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is used */ else v |= MXC_H2_UCTRL_H2_OC_DIS_BIT; /* OC is not used */ + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H2_UCTRL_H2_PWR_POL_BIT; + else + v &= ~MXC_H2_UCTRL_H2_PWR_POL_BIT; #endif __raw_writel(v, usbother_base + MXC_USBH2CTRL_OFFSET); break; #ifdef CONFIG_MX53 case 3: /* Host 3 ULPI */ v = __raw_readl(usbother_base + MXC_USBH3CTRL_OFFSET); + if (flags & MXC_EHCI_OC_PIN_ACTIVE_LOW) + v |= MXC_H3_UCTRL_H3_OC_POL_BIT; + else + v &= ~MXC_H3_UCTRL_H3_OC_POL_BIT; if (flags & MXC_EHCI_POWER_PINS_ENABLED) v &= ~MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is used */ else v |= MXC_H3_UCTRL_H3_OC_DIS_BIT; /* OC is not used */ + if (flags & MXC_EHCI_PWR_PIN_ACTIVE_HIGH) + v |= MXC_H3_UCTRL_H3_PWR_POL_BIT; + else + v &= ~MXC_H3_UCTRL_H3_PWR_POL_BIT; __raw_writel(v, usbother_base + MXC_USBH3CTRL_OFFSET); break; #endif |