linux-kernel - [PATCH] mips: dts: ralink: mt7621: add cell count properties to usb0

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Date: Wed,  6 Mar 2024 22:21:30 +0200
From: Justin Swartz <justin.swartz@...ingedge.co.za>
To: Arınç ÜNAL <arinc.unal@...nc9.com>,
	Sergio Paracuellos <sergio.paracuellos@...il.com>,
	Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: Justin Swartz <justin.swartz@...ingedge.co.za>,
	linux-mips@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH] mips: dts: ralink: mt7621: add cell count properties to usb0

Add default #address-cells and #size-cells properties to usb0,
suitable for hubs and devices without explicitly declared
interface nodes, as:

  "#address-cells":
    description: should be 1 for hub nodes with device nodes,
      should be 2 for device nodes with interface nodes.
    enum: [1, 2]

  "#size-cells":
    const: 0

-- from Documentation/devicetree/bindings/usb/usb-device.yaml

Signed-off-by: Justin Swartz <justin.swartz@...ingedge.co.za>
---
 arch/mips/boot/dts/ralink/mt7621.dtsi | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/arch/mips/boot/dts/ralink/mt7621.dtsi b/arch/mips/boot/dts/ralink/mt7621.dtsi
index 2069249c8..f02965db1 100644
--- a/arch/mips/boot/dts/ralink/mt7621.dtsi
+++ b/arch/mips/boot/dts/ralink/mt7621.dtsi
@@ -309,6 +309,9 @@ usb: usb@...c0000 {
 
 		interrupt-parent = <&gic>;
 		interrupts = <GIC_SHARED 22 IRQ_TYPE_LEVEL_HIGH>;
+
+		#address-cells = <1>;
+		#size-cells = <0>;
 	};
 
 	gic: interrupt-controller@...c0000 {
--