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| author | Rajeshwari Shinde <rajeshwari.s@samsung.com> | 2012-05-14 05:52:03 +0000 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2012-07-09 18:27:55 +0200 |
| commit | c48ac11322800d6492ea31f42ca53301a444742a (patch) | |
| tree | de36a7353626853bbf3d0c2954c81fc6a05b3ad9 /drivers | |
| parent | 71045da8122c15ffa6cd31079f33b68f2a66b3e5 (diff) | |
| download | u-boot-imx-c48ac11322800d6492ea31f42ca53301a444742a.zip u-boot-imx-c48ac11322800d6492ea31f42ca53301a444742a.tar.gz u-boot-imx-c48ac11322800d6492ea31f42ca53301a444742a.tar.bz2 | |
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 <gautam.vivek@samsung.com>
Signed-off-by: Che-Liang Chiou <clchiou@chromium.org>
Signed-off-by: Rajeshwari Shinde <rajeshwari.s@samsung.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/usb/host/ehci-exynos.c | 5 |
1 files changed, 5 insertions, 0 deletions
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 <asm/arch/cpu.h> #include <asm/arch/ehci.h> #include <asm/arch/system.h> +#include <asm/arch/power.h> #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); } /* |