From d3d037ae18c33a16e49630ce2adbc9fea1a680eb Mon Sep 17 00:00:00 2001 From: Dan Murphy Date: Thu, 1 Aug 2013 14:05:57 -0500 Subject: 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 --- drivers/usb/host/ehci-omap.c | 26 ++++++++++++++++++++++++-- 1 file changed, 24 insertions(+), 2 deletions(-) (limited to 'drivers/usb/host/ehci-omap.c') diff --git a/drivers/usb/host/ehci-omap.c b/drivers/usb/host/ehci-omap.c index 032d5e5..ec24fe0 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); -- cgit v1.1