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authorJoonyoung Shim <jy0922.shim@samsung.com>2015-01-21 04:51:32 (GMT)
committerMinkyu Kang <mk7.kang@samsung.com>2015-02-13 08:19:55 (GMT)
commit483e49bfd775adb15102418a72c7fb02ef51fd79 (patch)
tree90a1918850c813c2ecba832dd79d5043d04a052c
parentb00f8edb5a1a98636afa121c7c8eacc9045ae19f (diff)
downloadu-boot-fsl-qoriq-483e49bfd775adb15102418a72c7fb02ef51fd79.tar.xz
EXYNOS5: Add function to enable exynos5420 usbdev phy ctrl
Exynos5420 has different registers with other exynos5 SoCs to control usb device phy, so need separated function to enable exynos5420 usb device phy. Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com> Signed-off-by: Minkyu Kang <mk7.kang@samsung.com>
-rw-r--r--arch/arm/cpu/armv7/exynos/power.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/arch/arm/cpu/armv7/exynos/power.c b/arch/arm/cpu/armv7/exynos/power.c
index 1520d64..1b12051 100644
--- a/arch/arm/cpu/armv7/exynos/power.c
+++ b/arch/arm/cpu/armv7/exynos/power.c
@@ -102,10 +102,34 @@ static void exynos5_set_usbdrd_phy_ctrl(unsigned int enable)
}
}
+static void exynos5420_set_usbdev_phy_ctrl(unsigned int enable)
+{
+ struct exynos5420_power *power =
+ (struct exynos5420_power *)samsung_get_base_power();
+
+ if (enable) {
+ /* Enabling USBDEV_PHY */
+ setbits_le32(&power->usbdev_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ setbits_le32(&power->usbdev1_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ } else {
+ /* Disabling USBDEV_PHY */
+ clrbits_le32(&power->usbdev_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ clrbits_le32(&power->usbdev1_phy_control,
+ POWER_USB_DRD_PHY_CTRL_EN);
+ }
+}
+
void set_usbdrd_phy_ctrl(unsigned int enable)
{
- if (cpu_is_exynos5())
- exynos5_set_usbdrd_phy_ctrl(enable);
+ if (cpu_is_exynos5()) {
+ if (proid_is_exynos5420() || proid_is_exynos5800())
+ exynos5420_set_usbdev_phy_ctrl(enable);
+ else
+ exynos5_set_usbdrd_phy_ctrl(enable);
+ }
}
static void exynos5_dp_phy_control(unsigned int enable)