linux-kernel - [PATCH V6 10/12] ARM: tegra: jetson-tk1: Add xHCI support

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Message-Id: <1416874644-12070-11-git-send-email-abrestic@chromium.org>
Date:	Mon, 24 Nov 2014 16:17:22 -0800
From:	Andrew Bresticker <abrestic@...omium.org>
To:	Stephen Warren <swarren@...dotorg.org>,
	Thierry Reding <thierry.reding@...il.com>,
	Alexandre Courbot <gnurou@...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>,
	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>, Olof Johansson <olof@...om.net>,
	Kishon Vijay Abraham I <kishon@...com>,
	Felipe Balbi <balbi@...com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-usb@...r.kernel.org
Subject: [PATCH V6 10/12] 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>
Reviewed-by: Stephen Warren <swarren@...dia.com>
---
No changes from v5.
Changes from v4:
 - Updated regulator and pinconfig properties.
Changes from v3:
 - Assigned otg-0 to XUSB to avoid USB2.0 flakiness.
Changes from v2:
 - Updated VBUS power supply names.
Changes from v1:
 - Updated USB power supplies.
---
 arch/arm/boot/dts/tegra124-jetson-tk1.dts | 46 +++++++++++++++++--------------
 1 file changed, 26 insertions(+), 20 deletions(-)

diff --git a/arch/arm/boot/dts/tegra124-jetson-tk1.dts b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
index 51b373f..be93710 100644
--- a/arch/arm/boot/dts/tegra124-jetson-tk1.dts
+++ b/arch/arm/boot/dts/tegra124-jetson-tk1.dts
@@ -1687,15 +1687,40 @@
 		target-12v-supply = <&vdd_12v0_sata>;
 	};
 
+	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-usb-ss-pll-supply = <&vdd_1v05_run>;
+		hvdd-usb-ss-supply = <&vdd_3v3_lp0>;
+		hvdd-usb-ss-pll-e-supply = <&vdd_3v3_lp0>;
+	};
+
 	padctl@0,7009f000 {
 		pinctrl-0 = <&padctl_default>;
 		pinctrl-names = "default";
 
+		vbus-2-supply = <&vdd_usb3_vbus>;
+
 		padctl_default: pinmux {
+			otg {
+				nvidia,lanes = "otg-0", "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 = <2>;
+				nvidia,usb3-port = <0>;
 			};
 
 			pcie {
@@ -1736,25 +1761,6 @@
 		};
 	};
 
-	/* 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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