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Date: Tue, 19 Jan 2021 10:23:49 +0800 From: JC Kuo <jckuo@...dia.com> To: <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>, <jonathanh@...dia.com>, <robh+dt@...nel.org> CC: <linux-kernel@...r.kernel.org>, <linux-tegra@...r.kernel.org>, <devicetree@...r.kernel.org>, <stable@...r.kernel.org>, JC Kuo <jckuo@...dia.com> Subject: [PATCH] arm64: tegra: Enable Jetson-Xavier J512 USB host This commit enables USB host mode at J512 type-C port of Jetson-Xavier. Signed-off-by: JC Kuo <jckuo@...dia.com> --- .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 8 +++++++ .../boot/dts/nvidia/tegra194-p2972-0000.dts | 24 +++++++++++++++++-- 2 files changed, 30 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi index d71b7a1140fe..7e7b0eb90c80 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi @@ -93,6 +93,10 @@ padctl@...0000 { vclamp-usb-supply = <&vdd_1v8ao>; ports { + usb2-0 { + vbus-supply = <&vdd_5v0_sys>; + }; + usb2-1 { vbus-supply = <&vdd_5v0_sys>; }; @@ -105,6 +109,10 @@ usb3-0 { vbus-supply = <&vdd_5v0_sys>; }; + usb3-2 { + 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 54d057beec59..8697927b1fe7 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts +++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts @@ -57,6 +57,10 @@ padctl@...0000 { pads { usb2 { lanes { + usb2-0 { + status = "okay"; + }; + usb2-1 { status = "okay"; }; @@ -73,6 +77,10 @@ usb3-0 { status = "okay"; }; + usb3-2 { + status = "okay"; + }; + usb3-3 { status = "okay"; }; @@ -81,6 +89,11 @@ usb3-3 { }; ports { + usb2-0 { + mode = "host"; + status = "okay"; + }; + usb2-1 { mode = "host"; status = "okay"; @@ -96,6 +109,11 @@ usb3-0 { status = "okay"; }; + usb3-2 { + nvidia,usb2-companion = <0>; + status = "okay"; + }; + usb3-3 { nvidia,usb2-companion = <3>; maximum-speed = "super-speed"; @@ -107,11 +125,13 @@ usb3-3 { usb@...0000 { status = "okay"; - phys = <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-1}>, + phys = <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-0}>, + <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-1}>, <&{/bus@...adctl@...0000/pads/usb2/lanes/usb2-3}>, <&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-0}>, + <&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-2}>, <&{/bus@...adctl@...0000/pads/usb3/lanes/usb3-3}>; - phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3"; + phy-names = "usb2-0", "usb2-1", "usb2-3", "usb3-0", "usb3-2", "usb3-3"; }; pwm@...0000 { -- 2.25.1
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