arm: odroid: enable/disable usb host phy for exynos4412
Enable/disable the usb host phy on the odroid U/X2 boards which are based
on the Exynos4412 SOC.
Signed-off-by: Suriyan Ramasami <suriyan.r@gmail.com>
Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index e1ab3d6..1520d64 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -53,10 +53,37 @@
}
}
+void exynos4412_set_usbhost_phy_ctrl(unsigned int enable)
+{
+ struct exynos4412_power *power =
+ (struct exynos4412_power *)samsung_get_base_power();
+
+ if (enable) {
+ /* Enabling USBHOST_PHY */
+ setbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ setbits_le32(&power->hsic1_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ setbits_le32(&power->hsic2_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ } else {
+ /* Disabling USBHOST_PHY */
+ clrbits_le32(&power->usbhost_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ clrbits_le32(&power->hsic1_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ clrbits_le32(&power->hsic2_phy_control,
+ POWER_USB_HOST_PHY_CTRL_EN);
+ }
+}
+
void set_usbhost_phy_ctrl(unsigned int enable)
{
if (cpu_is_exynos5())
exynos5_set_usbhost_phy_ctrl(enable);
+ else if (cpu_is_exynos4())
+ if (proid_is_exynos4412())
+ exynos4412_set_usbhost_phy_ctrl(enable);
}
static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)