Adding base address information and required platform data
support for enabling USB DRD phy on exynos5250 SOC.
Signed-off-by: Vivek Gautam <gautam.vivek@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos5250.dtsi | 3 ++-
arch/arm/mach-exynos/include/mach/regs-pmu.h | 4 ++++
arch/arm/mach-exynos/setup-usb-phy.c | 9 +++++++++
3 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/exynos5250.dtsi b/arch/arm/boot/dts/exynos5250.dtsi
index 82bf042..51693af 100644
--- a/arch/arm/boot/dts/exynos5250.dtsi
+++ b/arch/arm/boot/dts/exynos5250.dtsi
@@ -220,7 +220,8 @@
usbphy {
compatible = "samsung,exynos5250-usbphy";
- reg = <0x12130000 0x100>;
+ reg = <0x12130000 0x100>,
+ <0x12100000 0x100>;
};
amba {
diff --git a/arch/arm/mach-exynos/include/mach/regs-pmu.h b/arch/arm/mach-exynos/include/mach/regs-pmu.h
index d4e392b..67132b4 100644
--- a/arch/arm/mach-exynos/include/mach/regs-pmu.h
+++ b/arch/arm/mach-exynos/include/mach/regs-pmu.h
@@ -39,6 +39,10 @@
#define S5P_HDMI_PHY_CONTROL S5P_PMUREG(0x0700)
#define S5P_HDMI_PHY_ENABLE (1 << 0)
+/* only for EXYNOS5250*/
+#define S5P_USBDRD_PHY_CONTROL S5P_PMUREG(0x0704)
+#define S5P_USBDRD_PHY_ENABLE (1 << 0)
+
#define S5P_DAC_PHY_CONTROL S5P_PMUREG(0x070C)
#define S5P_DAC_PHY_ENABLE (1 << 0)
diff --git a/arch/arm/mach-exynos/setup-usb-phy.c b/arch/arm/mach-exynos/setup-usb-phy.c
index 6c768e0..5e46fdd 100644
--- a/arch/arm/mach-exynos/setup-usb-phy.c
+++ b/arch/arm/mach-exynos/setup-usb-phy.c
@@ -238,6 +238,15 @@ void s5p_usb_phy_pmu_isolation(int on, int type)
writel(readl(S5P_USBHOST_PHY_CONTROL)
| S5P_USBHOST_PHY_ENABLE,
S5P_USBHOST_PHY_CONTROL);
+ } else if (type == USB_PHY_TYPE_DRD) {
+ if (on)
+ writel(readl(S5P_USBDRD_PHY_CONTROL)
+ & ~S5P_USBDRD_PHY_ENABLE,
+ S5P_USBDRD_PHY_CONTROL);
+ else
+ writel(readl(S5P_USBDRD_PHY_CONTROL)
+ | S5P_USBDRD_PHY_ENABLE,
+ S5P_USBDRD_PHY_CONTROL);
} else {
if (on)
writel(readl(S5P_USBDEVICE_PHY_CONTROL)
--
1.7.6.5
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