From e5ccb943712d261b8ebb3e8ac92a82be4b244ce4 Mon Sep 17 00:00:00 2001

From: Peter Robinson <pbrobinson@gmail.com>

Date: Sun, 6 Oct 2019 14:44:25 +0100

Subject: [PATCH] arm64: tegra186: enable USB on Jetson-TX2

Based on the following patch series:

https://www.spinics.net/lists/linux-tegra/msg44216.html

Signed-off-by: Peter Robinson <pbrobinson@gmail.com>

---

 arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts | 4 ++--

 arch/arm64/boot/dts/nvidia/tegra186.dtsi           | 1 +

 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

index bdace01561ba..2e6195764268 100644

--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts

@@ -115,7 +115,7 @@

 	};

 	padctl@3520000 {

-		status = "disabled";

+		status = "okay";

 		avdd-pll-erefeut-supply = <&vdd_1v8_pll>;

 		avdd-usb-supply = <&vdd_3v3_sys>;

@@ -193,7 +193,7 @@

 	};

 	usb@3530000 {

-		status = "disabled";

+		status = "okay";

 		phys = <&{/padctl@3520000/pads/usb2/lanes/usb2-0}>,

 		       <&{/padctl@3520000/pads/usb2/lanes/usb2-1}>,

diff --git a/arch/arm64/boot/dts/nvidia/tegra186.dtsi b/arch/arm64/boot/dts/nvidia/tegra186.dtsi

index 47cd831fcf44..abdc81f555b9 100644

--- a/arch/arm64/boot/dts/nvidia/tegra186.dtsi

+++ b/arch/arm64/boot/dts/nvidia/tegra186.dtsi

@@ -525,6 +525,7 @@

 		      <0x0 0x03538000 0x0 0x1000>;

 		reg-names = "hcd", "fpci";

+		iommus = <&smmu TEGRA186_SID_XUSB_HOST>;

 		interrupts = <GIC_SPI 163 IRQ_TYPE_LEVEL_HIGH>,

 			     <GIC_SPI 164 IRQ_TYPE_LEVEL_HIGH>,

 			     <GIC_SPI 167 IRQ_TYPE_LEVEL_HIGH>;

-- 

2.21.0