linux-kernel - [PATCH 2/2] arm64: dts: ti: k3-j721e-common-proc-board: Add USB ports

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Date:   Mon, 28 Oct 2019 11:37:30 +0200
From:   Roger Quadros <rogerq@...com>
To:     <t-kristo@...com>, <nm@...com>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Roger Quadros <rogerq@...com>,
        Sekhar Nori <nsekhar@...com>
Subject: [PATCH 2/2] arm64: dts: ti: k3-j721e-common-proc-board: Add USB ports

Add USB0 as otg port and USB1 as host port.

Although USB0 can be used at super-speed, limit the
speed to high-speed for now till SERDES PHY support
is added.

Signed-off-by: Roger Quadros <rogerq@...com>
Signed-off-by: Sekhar Nori <nsekhar@...com>
---
 .../dts/ti/k3-j721e-common-proc-board.dts     | 35 +++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
index 57df79a815f0..2a3cd6174504 100644
--- a/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
@@ -55,6 +55,18 @@
 			J721E_IOPAD(0x25c, PIN_INPUT, 0) /* (R28) MMC1_SDWP */
 		>;
 	};
+
+	main_usbss0_pins_default: main_usbss0_pins_default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x290, PIN_OUTPUT, 0) /* (U6) USB0_DRVVBUS */
+		>;
+	};
+
+	main_usbss1_pins_default: main_usbss1_pins_default {
+		pinctrl-single,pins = <
+			J721E_IOPAD(0x214, PIN_OUTPUT, 4) /* (V4) MCAN1_TX.USB1_DRVVBUS */
+		>;
+	};
 };
 
 &wkup_pmx0 {
@@ -244,3 +256,26 @@
 	/* Unused */
 	status = "disabled";
 };
+
+&usbss0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_usbss0_pins_default>;
+	ti,usb2-only;
+	ti,vbus-divider;
+};
+
+&usb0 {
+	dr_mode = "otg";
+	maximum-speed = "high-speed";
+};
+
+&usbss1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&main_usbss1_pins_default>;
+	ti,usb2-only;
+};
+
+&usb1 {
+	dr_mode = "host";
+	maximum-speed = "high-speed";
+};
-- 
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