linux-kernel - [PATCH v2] ARM: dts: nuvoton: Add OHCI node

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Message-ID: <20250401233409.3215091-1-william@wkennington.com>
Date: Tue,  1 Apr 2025 16:34:09 -0700
From: "William A. Kennington III" <william@...nnington.com>
To: Tomer Maimon <tmaimon77@...il.com>,
	Rob Herring <robh@...nel.org>
Cc: devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	openbmc@...ts.ozlabs.org,
	"William A. Kennington III" <william@...nnington.com>
Subject: [PATCH v2] ARM: dts: nuvoton: Add OHCI node

The EHCI peripheral already exists in the devicetree, but the hardware
also supports a discrete OHCI unit on the same USB PHY. Generic OHCI
works fine for this device already and has been tested on real hardware.

Signed-off-by: William A. Kennington III <william@...nnington.com>
---
V1 -> V2: Fixed nodename from ohci -> usb

 arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi b/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
index c7880126cc78..5a466e97955a 100644
--- a/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
+++ b/arch/arm/boot/dts/nuvoton/nuvoton-common-npcm7xx.dtsi
@@ -151,6 +151,13 @@ ehci1: usb@...06000 {
 			status = "disabled";
 		};
 
+		ohci1: usb@...07000 {
+			compatible = "generic-ohci";
+			reg = <0xf0807000 0x1000>;
+			interrupts = <GIC_SPI 62 IRQ_TYPE_LEVEL_HIGH>;
+			status = "disabled";
+		};
+
 		fiu0: spi@...00000 {
 			compatible = "nuvoton,npcm750-fiu";
 			#address-cells = <1>;
-- 
2.49.0.472.ge94155a9ec-goog