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.s...@samsung.com>
---
I used "usbdev" instead of "usbdrd" on function name because registers
name prefix is usbdev_.
arch/arm/cpu/armv7/exynos/power.c | 28 ++++++++++++++++++++++++++--
1 file 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)
--
1.9.1
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