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Subject[PATCH v2 5/6] arm64: tegra: Enable XUSB on P2771
Date
From: Thierry Reding <treding@nvidia.com>

Enable the relevant pads for XUSB support on P2771-0000 and hook up the
USB supply voltage regulators to the ports.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
.../boot/dts/nvidia/tegra186-p2771-0000.dts | 115 ++++++++++++++++++
.../arm64/boot/dts/nvidia/tegra186-p3310.dtsi | 19 ++-
2 files changed, 130 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 31457f32e4d0..75ee6cf1e1b4 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -58,6 +58,93 @@
status = "okay";
};

+ padctl@3520000 {
+ status = "okay";
+
+ avdd-pll-erefeut-supply = <&vdd_1v8_pll>;
+ avdd-usb-supply = <&vdd_3v3_sys>;
+ dvdd-pex-supply = <&vdd_pex>;
+ dvdd-pex-pll-supply = <&vdd_pex>;
+ hvdd-pex-supply = <&vdd_1v8>;
+ hvdd-pex-pll-supply = <&vdd_1v8>;
+ vclamp-usb-supply = <&vdd_1v8>;
+ vddio-hsic-supply = <&gnd>;
+
+ pads {
+ usb2 {
+ status = "okay";
+
+ lanes {
+ usb2-0 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+
+ usb2-1 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+
+ usb2-2 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+ };
+ };
+
+ usb3 {
+ status = "okay";
+
+ lanes {
+ usb3-0 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+
+ usb3-1 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+
+ usb3-2 {
+ nvidia,function = "xusb";
+ status = "okay";
+ };
+ };
+ };
+ };
+
+ ports {
+ usb2-0 {
+ status = "okay";
+ mode = "otg";
+
+ vbus-supply = <&vdd_usb0>;
+ };
+
+ usb2-1 {
+ status = "okay";
+ mode = "host";
+
+ vbus-supply = <&vdd_usb1>;
+ };
+
+ usb3-0 {
+ nvidia,usb2-companion = <1>;
+ status = "okay";
+ };
+ };
+ };
+
+ usb@3530000 {
+ status = "okay";
+
+ phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>,
+ <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>,
+ <&{/padctl@3520000/pads/usb3/lanes/usb3-0}>;
+ phy-names = "usb2-0", "usb2-1", "usb3-0";
+ };
+
pcie@10003000 {
status = "okay";

@@ -182,5 +269,33 @@

vin-supply = <&vdd_5v0_sys>;
};
+
+ vdd_usb0: regulator@102 {
+ compatible = "regulator-fixed";
+ reg = <102>;
+
+ regulator-name = "VDD_USB0";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+
+ gpio = <&gpio TEGRA_MAIN_GPIO(L, 4) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ vin-supply = <&vdd_5v0_sys>;
+ };
+
+ vdd_usb1: regulator@103 {
+ compatible = "regulator-fixed";
+ reg = <103>;
+
+ regulator-name = "VDD_USB1";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+
+ gpio = <&gpio TEGRA_MAIN_GPIO(L, 5) GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+
+ vin-supply = <&vdd_5v0_sys>;
+ };
};
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
index 89a2da46efae..952062f0b9a9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p3310.dtsi
@@ -291,7 +291,7 @@
regulator-boot-on;
};

- ldo0 {
+ vdd_1v8_pll: ldo0 {
regulator-name = "VDD_1V8_AP_PLL";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
@@ -360,10 +360,21 @@
#address-cells = <1>;
#size-cells = <0>;

- vdd_5v0_sys: regulator@0 {
+ gnd: regulator@0 {
compatible = "regulator-fixed";
reg = <0>;

+ regulator-name = "GND";
+ regulator-min-microvolt = <0>;
+ regulator-max-microvolt = <0>;
+ regulator-always-on;
+ regulator-boot-on;
+ };
+
+ vdd_5v0_sys: regulator@1 {
+ compatible = "regulator-fixed";
+ reg = <1>;
+
regulator-name = "VDD_5V0_SYS";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
@@ -371,9 +382,9 @@
regulator-boot-on;
};

- vdd_1v8_ap: regulator@1 {
+ vdd_1v8_ap: regulator@2 {
compatible = "regulator-fixed";
- reg = <1>;
+ reg = <2>;

regulator-name = "VDD_1V8_AP";
regulator-min-microvolt = <1800000>;
--
2.21.0
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