linux-kernel - [PATCH v3 8/9] ARM: tegra: jetson-tk1: Add xHCI support

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Message-Id: <1409693701-16520-9-git-send-email-abrestic@chromium.org>
Date:	Tue,  2 Sep 2014 14:35:00 -0700
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	linux-tegra@...r.kernel.org
Cc:	Andrew Bresticker <abrestic@...omium.org>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Mathias Nyman <mathias.nyman@...el.com>,
	Grant Likely <grant.likely@...aro.org>,
	Alan Stern <stern@...land.harvard.edu>,
	Arnd Bergmann <arnd@...db.de>,
	Kishon Vijay Abraham I <kishon@...com>,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-usb@...r.kernel.org
Subject: [PATCH v3 8/9] ARM: tegra: jetson-tk1: Add xHCI support

Assign USB ports previously owned by the EHCI controllers to the xHCI
controller.  There is a mini-PCIe USB port (UTMI port 1) and a USB A
connector (UTMI port 2, USB3 port 0).  PCIe lane 0 is used for USB3
port 0.

Signed-off-by: Andrew Bresticker <abrestic@...omium.org>
---
Changes from v2:
 - Updated VBUS power supply names.
Changes from v1:
 - Updated USB power supplies.
---
 arch/arm/boot/dts/tegra124-jetson-tk1.dts | 48 +++++++++++++++++--------------
 1 file changed, 27 insertions(+), 21 deletions(-)

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 624b0fb..a473750 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1515,7 +1515,7 @@
 					regulator-always-on;
 				};
 
-				ldo0 {
+				avdd_1v05_run: ldo0 {
 					regulator-name = "+1.05V_RUN_AVDD";
 					regulator-min-microvolt = <1050000>;
 					regulator-max-microvolt = <1050000>;
@@ -1619,15 +1619,40 @@
 		nvidia,sys-clock-req-active-high;
 	};
 
+	usb@0,70090000 {
+		status = "okay";
+		phys = <&padctl TEGRA_XUSB_PADCTL_UTMI_P1>, /* mini-PCIe USB */
+		       <&padctl TEGRA_XUSB_PADCTL_UTMI_P2>, /* USB A */
+		       <&padctl TEGRA_XUSB_PADCTL_USB3_P0>; /* USB A */
+		phy-names = "utmi-1", "utmi-2", "usb3-0";
+		avddio-pex-supply = <&vdd_1v05_run>;
+		dvddio-pex-supply = <&vdd_1v05_run>;
+		avdd-usb-supply = <&vdd_3v3_lp0>;
+		avdd-pll-utmip-supply = <&vddio_1v8>;
+		avdd-pll-erefe-supply = <&avdd_1v05_run>;
+		avdd-pex-pll-supply = <&vdd_1v05_run>;
+		hvdd-pex-supply = <&vdd_3v3_lp0>;
+		hvdd-pex-plle-supply = <&vdd_3v3_lp0>;
+	};
+
 	padctl@0,7009f000 {
 		pinctrl-0 = <&padctl_default>;
 		pinctrl-names = "default";
 
+		vbus-2-supply = <&vdd_usb3_vbus>;
+		nvidia,usb3-port-0-lane = <TEGRA_XUSB_PADCTL_PIN_PCIE_0>;
+
 		padctl_default: pinmux {
+			otg {
+				nvidia,lanes = "otg-1", "otg-2";
+				nvidia,function = "xusb";
+			};
+
 			usb3 {
-				nvidia,lanes = "pcie-0", "pcie-1";
+				nvidia,lanes = "pcie-0";
 				nvidia,function = "usb3";
 				nvidia,iddq = <0>;
+				nvidia,usb2-port-num = <2>;
 			};
 
 			pcie {
@@ -1668,25 +1693,6 @@
 		};
 	};
 
-	/* mini-PCIe USB */
-	usb@0,7d004000 {
-		status = "okay";
-	};
-
-	usb-phy@0,7d004000 {
-		status = "okay";
-	};
-
-	/* USB A connector */
-	usb@0,7d008000 {
-		status = "okay";
-	};
-
-	usb-phy@0,7d008000 {
-		status = "okay";
-		vbus-supply = <&vdd_usb3_vbus>;
-	};
-
 	clocks {
 		compatible = "simple-bus";
 		#address-cells = <1>;
-- 
2.1.0.rc2.206.gedb03e5

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