This patch adds device tree nodes necessary to enable USB support on
universalc210 board, this includes UDC controller (USB gadget) as well
as EHCI and OHCI host ports. LDO3 and LDO8 regulators are switched to
always on mode until EHCI and OHCI drivers will support them correctly.
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
Reviewed-by: Tomasz Figa <t.figa@xxxxxxxxxxx>
---
arch/arm/boot/dts/exynos4210-universal_c210.dts | 26 +++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts
index 9296dee10e26..5f90aeda74ad 100644
--- a/arch/arm/boot/dts/exynos4210-universal_c210.dts
+++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts
@@ -68,6 +68,12 @@
enable-active-high;
};
+ hsotg@12480000 {
+ vusb_d-supply = <&ldo3_reg>;
+ vusb_a-supply = <&ldo8_reg>;
+ status = "okay";
+ };
+
sdhci_emmc: sdhci@12510000 {
bus-width = <8>;
non-removable;
@@ -77,6 +83,24 @@
status = "okay";
};
+ ehci@12580000 {
+ status = "okay";
+ port@0 {
+ status = "okay";
+ };
+ };
+
+ ohci@12590000 {
+ status = "okay";
+ port@0 {
+ status = "okay";
+ };
+ };
+
+ exynos-usbphy@125B0000 {
+ status = "okay";
+ };
+
serial@13800000 {
status = "okay";
};
@@ -216,6 +240,7 @@
regulator-name = "VUSB+MIPI_1.1V";
regulator-min-microvolt = <1100000>;
regulator-max-microvolt = <1100000>;
+ regulator-always-on;
};
ldo4_reg: LDO4 {
@@ -246,6 +271,7 @@
regulator-name = "VUSB+VDAC_3.3V";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
+ regulator-always-on;
};
ldo9_reg: LDO9 {
--
1.9.2
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