linux-kernel - [PATCH v13 10/10] arm64: dts: qcom: sa8540-ride: Enable first port of tertiary usb controller

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Message-ID: <20231007154806.605-11-quic_kriskura@quicinc.com>
Date:   Sat, 7 Oct 2023 21:18:06 +0530
From:   Krishna Kurapati <quic_kriskura@...cinc.com>
To:     Thinh Nguyen <Thinh.Nguyen@...opsys.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        "Andy Gross" <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        "Konrad Dybcio" <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Felipe Balbi <balbi@...nel.org>,
        Wesley Cheng <quic_wcheng@...cinc.com>,
        Johan Hovold <johan@...nel.org>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <quic_pkondeti@...cinc.com>, <quic_ppratap@...cinc.com>,
        <quic_jackp@...cinc.com>, <ahalaney@...hat.com>,
        <quic_shazhuss@...cinc.com>,
        Krishna Kurapati <quic_kriskura@...cinc.com>
Subject: [PATCH v13 10/10] arm64: dts: qcom: sa8540-ride: Enable first port of tertiary usb controller

From: Andrew Halaney <ahalaney@...hat.com>

There is now support for the multiport USB controller this uses so
enable it.

The board only has a single port hooked up (despite it being wired up to
the multiport IP on the SoC). There's also a USB 2.0 mux hooked up,
which by default on boot is selected to mux properly. Grab the gpio
controlling that and ensure it stays in the right position so USB 2.0
continues to be routed from the external port to the SoC.

Co-developed-by: Andrew Halaney <ahalaney@...hat.com>
Signed-off-by: Andrew Halaney <ahalaney@...hat.com>
[Krishna: Rebased on top of usb-next]
Co-developed-by: Krishna Kurapati <quic_kriskura@...cinc.com>
Signed-off-by: Krishna Kurapati <quic_kriskura@...cinc.com>
---
 arch/arm64/boot/dts/qcom/sa8540p-ride.dts | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
index b04f72ec097c..6904a4c201ff 100644
--- a/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
+++ b/arch/arm64/boot/dts/qcom/sa8540p-ride.dts
@@ -503,6 +503,18 @@ &usb_2_qmpphy0 {
 	status = "okay";
 };
 
+&usb_2 {
+	pinctrl-0 = <&usb2_en_state>;
+	pinctrl-names = "default";
+
+	status = "okay";
+};
+
+&usb_2_dwc3 {
+	phy-names = "usb2-port0", "usb3-port0";
+	phys = <&usb_2_hsphy0>, <&usb_2_qmpphy0>;
+};
+
 &xo_board_clk {
 	clock-frequency = <38400000>;
 };
@@ -655,4 +667,13 @@ wake-pins {
 			bias-pull-up;
 		};
 	};
+
+	usb2_en_state: usb2-en-state {
+		/* TS3USB221A USB2.0 mux select */
+		pins = "gpio24";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-disable;
+		output-low;
+	};
 };
-- 
2.42.0