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Subject[PATCH 6/6] arm64: tegra: Enable XUSB host in P2972-0000 board
Date
This commit enables XUSB host and pad controller in Tegra194
P2972-0000 board.

Signed-off-by: JC Kuo <jckuo@nvidia.com>
---
.../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 31 +++++++++-
.../boot/dts/nvidia/tegra194-p2972-0000.dts | 59 +++++++++++++++++++
2 files changed, 89 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
index 4c38426a6969..cb236edc6a0d 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -229,7 +229,7 @@
regulator-max-microvolt = <3300000>;
};

- ldo5 {
+ vdd_usb_3v3: ldo5 {
regulator-name = "VDD_USB_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
@@ -313,5 +313,34 @@
regulator-boot-on;
enable-active-low;
};
+
+ vdd_5v_sata: regulator@4 {
+ compatible = "regulator-fixed";
+ reg = <4>;
+
+ regulator-name = "vdd-5v-sata";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ gpio = <&gpio TEGRA194_MAIN_GPIO(Z, 1) GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ padctl@3520000 {
+ avdd-usb-supply = <&vdd_usb_3v3>;
+ vclamp-usb-supply = <&vdd_1v8ao>;
+ ports {
+ usb2-1 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+ usb2-3 {
+ vbus-supply = <&vdd_5v_sata>;
+ };
+ usb3-0 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+ usb3-3 {
+ vbus-supply = <&vdd_5v0_sys>;
+ };
+ };
};
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index d47cd8c4dd24..410221927dfa 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -222,4 +222,63 @@
};
};
};
+
+ padctl@3520000 {
+ status = "okay";
+
+ pads {
+ usb2 {
+ lanes {
+ usb2-1 {
+ status = "okay";
+ };
+ usb2-2 {
+ status = "okay";
+ };
+ usb2-3 {
+ status = "okay";
+ };
+ };
+ };
+ usb3 {
+ lanes {
+ usb3-0 {
+ status = "okay";
+ };
+ usb3-3 {
+ status = "okay";
+ };
+ };
+ };
+ };
+
+ ports {
+ usb2-1 {
+ mode = "host";
+ status = "okay";
+ };
+ usb2-3 {
+ mode = "host";
+ status = "okay";
+ };
+ usb3-0 {
+ nvidia,usb2-companion = <1>;
+ status = "okay";
+ };
+ usb3-3 {
+ nvidia,usb2-companion = <3>;
+ nvidia,disable-gen2;
+ status = "okay";
+ };
+ };
+ };
+
+ tegra_xhci: xhci@3610000 {
+ status = "okay";
+ phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+ <&{/padctl@3520000/pads/usb2/lanes/usb2-3}>,
+ <&{/padctl@3520000/pads/usb3/lanes/usb3-0}>,
+ <&{/padctl@3520000/pads/usb3/lanes/usb3-3}>;
+ phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+ };
};
--
2.17.1
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