diff options
| author | Dan Murphy <dmurphy@ti.com> | 2013-08-01 14:05:57 -0500 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2013-08-26 21:55:46 +0200 |
| commit | d3d037ae18c33a16e49630ce2adbc9fea1a680eb (patch) | |
| tree | 84148840eeb5fbd5e146fc37eaa99d95e1ccfaa0 /drivers | |
| parent | 5a7bd38437b3fb170cea3b576975f4e4f929299a (diff) | |
ARM: OMAP5: USB: Add OMAP5 common USB EHCI information
* Enable the OMAP5 EHCI host clocks
* Add OMAP5 EHCI register definitions
* Add OMAP5 ES2 host revision
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-omap.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 032d5e5ec25..ec24fe05a3f 100644 --- a/drivers/usb/host/ehci-omap.c +++ b/drivers/usb/host/ehci-omap.c @@ -96,7 +96,8 @@ inline int __board_usb_init(void) int board_usb_init(void) __attribute__((weak, alias("__board_usb_init"))); #if defined(CONFIG_OMAP_EHCI_PHY1_RESET_GPIO) || \ - defined(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO) + defined(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO) || \ + defined(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO) /* controls PHY(s) reset signal(s) */ static inline void omap_ehci_phy_reset(int on, int delay) { @@ -115,6 +116,10 @@ static inline void omap_ehci_phy_reset(int on, int delay) gpio_request(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO, "USB PHY2 reset"); gpio_direction_output(CONFIG_OMAP_EHCI_PHY2_RESET_GPIO, !on); #endif +#ifdef CONFIG_OMAP_EHCI_PHY3_RESET_GPIO + gpio_request(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, "USB PHY3 reset"); + gpio_direction_output(CONFIG_OMAP_EHCI_PHY3_RESET_GPIO, !on); +#endif /* Hold the PHY in RESET for enough time till DIR is high */ /* Refer: ISSUE1 */ @@ -198,10 +203,27 @@ int omap_ehci_hcd_init(struct omap_usbhs_board_data *usbhs_pdata, else setbits_le32(®, OMAP_UHH_HOSTCONFIG_ULPI_P3_BYPASS); } else if (rev == OMAP_USBHS_REV2) { + clrsetbits_le32(®, (OMAP_P1_MODE_CLEAR | OMAP_P2_MODE_CLEAR), OMAP4_UHH_HOSTCONFIG_APP_START_CLK); - /* Clear port mode fields for PHY mode*/ + /* Clear port mode fields for PHY mode */ + + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[0])) + setbits_le32(®, OMAP_P1_MODE_HSIC); + + if (is_ehci_hsic_mode(usbhs_pdata->port_mode[1])) + setbits_le32(®, OMAP_P2_MODE_HSIC); + + } else if (rev == OMAP_USBHS_REV2_1) { + + clrsetbits_le32(®, + (OMAP_P1_MODE_CLEAR | + OMAP_P2_MODE_CLEAR | + OMAP_P3_MODE_CLEAR), + OMAP4_UHH_HOSTCONFIG_APP_START_CLK); + + /* Clear port mode fields for PHY mode */ if (is_ehci_hsic_mode(usbhs_pdata->port_mode[0])) setbits_le32(®, OMAP_P1_MODE_HSIC); |