netdev - [PATCH 03/11] riscv: dts: sophgo: sg2044: Add GPIO device

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Message-ID: <20250608232836.784737-4-inochiama@gmail.com>
Date: Mon,  9 Jun 2025 07:28:27 +0800
From: Inochi Amaoto <inochiama@...il.com>
To: Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Richard Cochran <richardcochran@...il.com>,
	Longbin Li <looong.bin@...il.com>
Cc: Han Gao <rabenda.cn@...il.com>,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	sophgo@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org,
	Yixun Lan <dlan@...too.org>
Subject: [PATCH 03/11] riscv: dts: sophgo: sg2044: Add GPIO device

The GPIO controller is a standard Synopsys IP, which is already
supported by the kernel.

Add GPIO DT node for SG2044 SoC.

Signed-off-by: Inochi Amaoto <inochiama@...il.com>
---
 arch/riscv/boot/dts/sophgo/sg2044.dtsi | 70 ++++++++++++++++++++++++++
 1 file changed, 70 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/sg2044.dtsi b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
index d21a59948186..70d1096f959f 100644
--- a/arch/riscv/boot/dts/sophgo/sg2044.dtsi
+++ b/arch/riscv/boot/dts/sophgo/sg2044.dtsi
@@ -6,6 +6,7 @@
 #include <dt-bindings/clock/sophgo,sg2044-pll.h>
 #include <dt-bindings/clock/sophgo,sg2044-clk.h>
 #include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/gpio/gpio.h>
 
 #include "sg2044-cpus.dtsi"
 #include "sg2044-reset.h"
@@ -90,6 +91,75 @@ uart3: serial@...0003000 {
 			status = "disabled";
 		};
 
+		gpio0: gpio@...0009000 {
+			compatible = "snps,dw-apb-gpio";
+			reg = <0x70 0x40009000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&clk CLK_GATE_APB_GPIO>,
+				 <&clk CLK_GATE_GPIO_DB>;
+			clock-names = "bus", "db";
+			resets = <&rst RST_GPIO0>;
+
+			porta: gpio-controller@0 {
+				compatible = "snps,dw-apb-gpio-port";
+				reg = <0>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				ngpios = <32>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				interrupt-parent = <&intc>;
+				interrupts = <26 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
+		gpio1: gpio@...000a000 {
+			compatible = "snps,dw-apb-gpio";
+			reg = <0x70 0x4000a000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&clk CLK_GATE_APB_GPIO>,
+				 <&clk CLK_GATE_GPIO_DB>;
+			clock-names = "bus", "db";
+			resets = <&rst RST_GPIO1>;
+
+			portb: gpio-controller@0 {
+				compatible = "snps,dw-apb-gpio-port";
+				reg = <0>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				ngpios = <32>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				interrupt-parent = <&intc>;
+				interrupts = <27 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
+		gpio2: gpio@...000b000 {
+			compatible = "snps,dw-apb-gpio";
+			reg = <0x70 0x4000b000 0x0 0x1000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			clocks = <&clk CLK_GATE_APB_GPIO>,
+				 <&clk CLK_GATE_GPIO_DB>;
+			clock-names = "bus", "db";
+			resets = <&rst RST_GPIO2>;
+
+			portc: gpio-controller@0 {
+				compatible = "snps,dw-apb-gpio-port";
+				reg = <0>;
+				gpio-controller;
+				#gpio-cells = <2>;
+				ngpios = <32>;
+				interrupt-controller;
+				#interrupt-cells = <2>;
+				interrupt-parent = <&intc>;
+				interrupts = <28 IRQ_TYPE_LEVEL_HIGH>;
+			};
+		};
+
 		syscon: syscon@...0000000 {
 			compatible = "sophgo,sg2044-top-syscon", "syscon";
 			reg = <0x70 0x50000000 0x0 0x1000>;
-- 
2.49.0