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Date: Fri, 4 Oct 2019 16:19:41 +0800
From: JC Kuo <jckuo@...dia.com>
To: <gregkh@...uxfoundation.org>, <thierry.reding@...il.com>,
<jonathanh@...dia.com>
CC: <linux-tegra@...r.kernel.org>, <linux-usb@...r.kernel.org>,
<linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
<nkristam@...dia.com>, <skomatineni@...dia.com>,
JC Kuo <jckuo@...dia.com>
Subject: [PATCH v2 7/7] arm64: tegra: Enable XUSB host in P2972-0000 board
This commit enables XUSB host and pad controller in Tegra194
P2972-0000 board.
Signed-off-by: JC Kuo <jckuo@...dia.com>
---
Changes in v2:
- use capitalization of regulator names
- fix gpio property of VDD_5V_SATA regulator
.../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 36 ++++++++++-
.../boot/dts/nvidia/tegra194-p2972-0000.dts | 62 +++++++++++++++++++
2 files changed, 97 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..e7d5e8a30f93 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2888.dtsi
@@ -66,6 +66,29 @@
vmmc-supply = <&vdd_emmc_3v3>;
};
+ padctl@...0000 {
+ 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>;
+ };
+ };
+ };
+
rtc@...0000 {
status = "okay";
};
@@ -229,7 +252,7 @@
regulator-max-microvolt = <3300000>;
};
- ldo5 {
+ vdd_usb_3v3: ldo5 {
regulator-name = "VDD_USB_3V3";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
@@ -313,5 +336,16 @@
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_HIGH>;
+ enable-active-high;
+ };
};
};
diff --git a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
index d47cd8c4dd24..b60eef64c487 100644
--- a/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra194-p2972-0000.dts
@@ -62,6 +62,68 @@
GPIO_ACTIVE_LOW>;
};
};
+ padctl@...0000 {
+ status = "okay";
+
+ pads {
+ usb2 {
+ lanes {
+ usb2-1 {
+ 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";
+ };
+ };
+ };
+
+ usb@...0000 {
+ status = "okay";
+
+ phys = <&{/cbb/padctl@...0000/pads/usb2/lanes/usb2-1}>,
+ <&{/cbb/padctl@...0000/pads/usb2/lanes/usb2-3}>,
+ <&{/cbb/padctl@...0000/pads/usb3/lanes/usb3-0}>,
+ <&{/cbb/padctl@...0000/pads/usb3/lanes/usb3-3}>;
+ phy-names = "usb2-1", "usb2-3", "usb3-0", "usb3-3";
+ };
};
pcie@...00000 {
--
2.17.1
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