linux-kernel - [PATCH 3/3] LoongArch: dts: Add GPIO controller for Loongson 2K0300

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Message-ID: <20250816035027.11727-5-ziyao@disroot.org>
Date: Sat, 16 Aug 2025 03:50:28 +0000
From: Yao Zi <ziyao@...root.org>
To: Yinbo Zhu <zhuyinbo@...ngson.cn>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Huacai Chen <chenhuacai@...nel.org>,
	WANG Xuerui <kernel@...0n.name>,
	Philipp Zabel <p.zabel@...gutronix.de>
Cc: linux-gpio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	Mingcong Bai <jeffbai@...c.io>,
	Kexy Biscuit <kexybiscuit@...c.io>,
	Yao Zi <ziyao@...root.org>
Subject: [PATCH 3/3] LoongArch: dts: Add GPIO controller for Loongson 2K0300

Describe Loongson 2K0300's GPIO controller in devicetree.

Signed-off-by: Yao Zi <ziyao@...root.org>
---
 arch/loongarch/boot/dts/loongson-2k0300.dtsi | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/arch/loongarch/boot/dts/loongson-2k0300.dtsi b/arch/loongarch/boot/dts/loongson-2k0300.dtsi
index 835d3c63537b..60a055b05c44 100644
--- a/arch/loongarch/boot/dts/loongson-2k0300.dtsi
+++ b/arch/loongarch/boot/dts/loongson-2k0300.dtsi
@@ -240,6 +240,26 @@ uart9: serial@...02400 {
 			status = "disabled";
 		};
 
+		gpio: gpio@...04000 {
+			compatible = "loongson,ls2k0300-gpio";
+			reg = <0x0 0x16104000 0x0 0x4000>;
+			interrupt-parent = <&liointc1>;
+			interrupts = <21 IRQ_TYPE_LEVEL_HIGH>,
+				     <22 IRQ_TYPE_LEVEL_HIGH>,
+				     <23 IRQ_TYPE_LEVEL_HIGH>,
+				     <24 IRQ_TYPE_LEVEL_HIGH>,
+				     <25 IRQ_TYPE_LEVEL_HIGH>,
+				     <26 IRQ_TYPE_LEVEL_HIGH>,
+				     <27 IRQ_TYPE_LEVEL_HIGH>;
+			ngpios = <106>;
+			gpio-controller;
+			gpio-ranges = <&pinctrl 0 0 106>;
+			#gpio-cells = <2>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			resets = <&rst RST_GPIO>;
+		};
+
 		isa@...00000 {
 			compatible = "isa";
 			#address-cells = <2>;
-- 
2.50.1