From c48ac11322800d6492ea31f42ca53301a444742a Mon Sep 17 00:00:00 2001 From: Rajeshwari Shinde Date: Mon, 14 May 2012 05:52:03 +0000 Subject: EXYNOS: Add power Enable/Disable for USB-EHCI This patch adds functions to enable/disable the power of USB host controller for EXYNOS5. Signed-off-by: Vivek Gautam Signed-off-by: Che-Liang Chiou Signed-off-by: Rajeshwari Shinde --- drivers/usb/host/ehci-exynos.c | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'drivers/usb/host') diff --git a/drivers/usb/host/ehci-exynos.c b/drivers/usb/host/ehci-exynos.c index 90d66d3..a71b397 100644 --- a/drivers/usb/host/ehci-exynos.c +++ b/drivers/usb/host/ehci-exynos.c @@ -25,6 +25,7 @@ #include #include #include +#include #include "ehci.h" #include "ehci-core.h" @@ -33,6 +34,8 @@ static void setup_usb_phy(struct exynos_usb_phy *usb) { set_usbhost_mode(USB20_PHY_CFG_HOST_LINK_EN); + set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_EN); + clrbits_le32(&usb->usbphyctrl0, HOST_CTRL0_FSEL_MASK | HOST_CTRL0_COMMONON_N | @@ -73,6 +76,8 @@ static void reset_usb_phy(struct exynos_usb_phy *usb) HOST_CTRL0_SIDDQ | HOST_CTRL0_FORCESUSPEND | HOST_CTRL0_FORCESLEEP); + + set_usbhost_phy_ctrl(POWER_USB_HOST_PHY_CTRL_DISABLE); } /* -- cgit v1.1