From mboxrd@z Thu Jan 1 00:00:00 1970 From: JC Kuo Subject: [PATCH 6/6] arm64: tegra: Enable XUSB host in P2972-0000 board Date: Wed, 2 Oct 2019 16:00:51 +0800 Message-ID: <20191002080051.11142-7-jckuo@nvidia.com> References: <20191002080051.11142-1-jckuo@nvidia.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20191002080051.11142-1-jckuo@nvidia.com> Sender: linux-kernel-owner@vger.kernel.org To: gregkh@linuxfoundation.org, thierry.reding@gmail.com, jonathanh@nvidia.com Cc: linux-tegra@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, nkristam@nvidia.com, skomatineni@nvidia.com, JC Kuo List-Id: devicetree@vger.kernel.org This commit enables XUSB host and pad controller in Tegra194 P2972-0000 board. Signed-off-by: JC Kuo --- .../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