linux-kernel - [PATCH] arm64: zynqmp: Fix dwc3 usb interrupt description

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Date:   Mon, 19 Jun 2023 09:37:54 +0200
From:   Michal Simek <michal.simek@....com>
To:     <linux-kernel@...r.kernel.org>, <monstr@...str.eu>,
        <michal.simek@...inx.com>, <git@...inx.com>
CC:     Conor Dooley <conor+dt@...nel.org>,
        Harini Katakam <harini.katakam@....com>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Michael Grzeschik <m.grzeschik@...gutronix.de>,
        Parth Gajjar <parth.gajjar@....com>,
        "Piyush Mehta" <piyush.mehta@...inx.com>,
        Radhey Shyam Pandey <radhey.shyam.pandey@....com>,
        Rob Herring <robh+dt@...nel.org>,
        "Robert Hancock" <robert.hancock@...ian.com>,
        Tanmay Shah <tanmay.shah@....com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: [PATCH] arm64: zynqmp: Fix dwc3 usb interrupt description

Based on DT binding dwc_usb3 is single entry without anything else. That's
why combination dwc3_usb3, otg is not allowed. That's why split it to host
and peripheral pair which both points to the same IRQ.
DWC3 code is reading these two properties first before generic dwc_usb3.

Signed-off-by: Michal Simek <michal.simek@....com>
---

 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 02cfcc716936..e8104ffc6663 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -888,8 +888,8 @@ dwc3_0: usb@...00000 {
 				compatible = "snps,dwc3";
 				reg = <0x0 0xfe200000 0x0 0x40000>;
 				interrupt-parent = <&gic>;
-				interrupt-names = "dwc_usb3", "otg";
-				interrupts = <0 65 4>, <0 69 4>;
+				interrupt-names = "host", "peripheral", "otg";
+				interrupts = <0 65 4>, <0 65 4>, <0 69 4>;
 				clock-names = "bus_early", "ref";
 				iommus = <&smmu 0x860>;
 				snps,quirk-frame-length-adjustment = <0x20>;
@@ -915,8 +915,8 @@ dwc3_1: usb@...00000 {
 				compatible = "snps,dwc3";
 				reg = <0x0 0xfe300000 0x0 0x40000>;
 				interrupt-parent = <&gic>;
-				interrupt-names = "dwc_usb3", "otg";
-				interrupts = <0 70 4>, <0 74 4>;
+				interrupt-names = "host", "peripheral", "otg";
+				interrupts = <0 70 4>, <0 70 4>, <0 74 4>;
 				clock-names = "bus_early", "ref";
 				iommus = <&smmu 0x861>;
 				snps,quirk-frame-length-adjustment = <0x20>;
-- 
2.36.1