linux-kernel - [PATCH 8/8] MIPS: Loongson64: dts: add node for LS7A PCH LPC

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Message-ID: <20260131094547.455916-9-zhengxingda@iscas.ac.cn>
Date: Sat, 31 Jan 2026 17:45:47 +0800
From: Icenowy Zheng <zhengxingda@...as.ac.cn>
To: Thomas Gleixner <tglx@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Huacai Chen <chenhuacai@...nel.org>,
	Jiaxun Yang <jiaxun.yang@...goat.com>
Cc: linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Icenowy Zheng <zhengxingda@...as.ac.cn>
Subject: [PATCH 8/8] MIPS: Loongson64: dts: add node for LS7A PCH LPC

Loongson 7A series PCH contain a LPC IRQ controller.

Add the device tree node of it.

Signed-off-by: Icenowy Zheng <zhengxingda@...as.ac.cn>
---
 arch/mips/boot/dts/loongson/ls7a-pch.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
index 5269bf0f789b0..03018db47b18c 100644
--- a/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
+++ b/arch/mips/boot/dts/loongson/ls7a-pch.dtsi
@@ -19,6 +19,15 @@ pic: interrupt-controller@...00000 {
 			#interrupt-cells = <2>;
 		};
 
+		lpc: interrupt-controller@...02000 {
+			compatible = "loongson,pch-lpc-1.0";
+			reg = <0 0x10002000 0 0x1000>;
+			interrupt-controller;
+			interrupt-parent = <&pic>;
+			interrupts = <19 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <2>;
+		};
+
 		ls7a_uart0: serial@...80000 {
 			compatible = "ns16550a";
 			reg = <0 0x10080000 0 0x100>;
-- 
2.52.0