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From: Joshua Milas <josh.milas@gmail.com>
To: tglx@kernel.org, robh@kernel.org, krzk+dt@kernel.org,
	conor+dt@kernel.org, pjw@kernel.org, samuel.holland@sifive.com,
	unicorn_wang@outlook.com, inochiama@gmail.com,
	daniel.lezcano@linaro.org, palmer@dabbelt.com,
	aou@eecs.berkeley.edu, alex@ghiti.fr,
	liujingqi@lanxincomputing.com, alexander.sverdlin@gmail.com,
	rabenda.cn@gmail.com, dlan@kernel.org, chao.wei@sophgo.com,
	anup@brainfault.org
Cc: josh.milas@gmail.com, linux-kernel@vger.kernel.org,
	devicetree@vger.kernel.org, linux-riscv@lists.infradead.org,
	sophgo@lists.linux.dev, hanguidong02@gmail.com,
	michael.opdenacker@rootcommit.com
Subject: [PATCH v4 4/5] riscv64: dts: sophgo: add SG2000 dtsi
Date: Sat, 28 Mar 2026 13:34:49 -0400	[thread overview]
Message-ID: <20260328173450.219664-5-josh.milas@gmail.com> (raw)
In-Reply-To: <20260328173450.219664-1-josh.milas@gmail.com>

Adds sg2000.dtsi on the RISCV side.

Signed-off-by: Joshua Milas <josh.milas@gmail.com>
---
 arch/riscv/boot/dts/sophgo/sg2000.dtsi | 53 ++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)
 create mode 100644 arch/riscv/boot/dts/sophgo/sg2000.dtsi

diff --git a/arch/riscv/boot/dts/sophgo/sg2000.dtsi b/arch/riscv/boot/dts/sophgo/sg2000.dtsi
new file mode 100644
index 0000000000000..412adacc00576
--- /dev/null
+++ b/arch/riscv/boot/dts/sophgo/sg2000.dtsi
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+#define SOC_PERIPHERAL_IRQ(nr)	((nr) + 16)
+
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/pinctrl-sg2000.h>
+#include "cv180x-cpus.dtsi"
+#include "cv180x.dtsi"
+#include "cv181x.dtsi"
+
+/ {
+	compatible = "sophgo,sg2000";
+
+	memory@80000000 {
+		device_type = "memory";
+		reg = <0x80000000 0x10000000>;
+	};
+
+	soc {
+		interrupt-parent = <&plic>;
+		dma-noncoherent;
+
+		pinctrl: pinctrl@3001000 {
+			compatible = "sophgo,sg2000-pinctrl";
+			reg = <0x03001000 0x1000>,
+			      <0x05027000 0x1000>;
+			reg-names = "sys", "rtc";
+		};
+
+		clk: clock-controller@3002000 {
+			compatible = "sophgo,sg2000-clk";
+			reg = <0x03002000 0x1000>;
+			clocks = <&osc>;
+			#clock-cells = <1>;
+		};
+
+		plic: interrupt-controller@70000000 {
+			compatible = "sophgo,sg2000-plic", "thead,c900-plic";
+			reg = <0x70000000 0x4000000>;
+			interrupts-extended = <&cpu0_intc 11>, <&cpu0_intc 9>;
+			interrupt-controller;
+			#address-cells = <0>;
+			#interrupt-cells = <2>;
+			riscv,ndev = <101>;
+		};
+
+		clint: timer@74000000 {
+			compatible = "sophgo,sg2000-clint", "thead,c900-clint";
+			reg = <0x74000000 0x10000>;
+			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
+		};
+	};
+};
-- 
2.53.0


  parent reply	other threads:[~2026-03-28 17:37 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-28 17:34 [PATCH v4 0/5] Add initial Milk-V Duo S board support Joshua Milas
2026-03-28 17:34 ` [PATCH v4 1/5] dt-bindings: soc: sophgo: add Milk-V Duo S board compatibles Joshua Milas
2026-03-28 17:34 ` [PATCH v4 2/5] arm64: dts: sophgo: add initial Milk-V Duo S board support Joshua Milas
2026-03-29 20:21   ` Michael Opdenacker
2026-03-28 17:34 ` [PATCH v4 3/5] dt-bindings: soc: sophgo: add sg2000 plic and clint documentation Joshua Milas
2026-03-28 17:34 ` Joshua Milas [this message]
2026-03-28 17:34 ` [PATCH v4 5/5] riscv64: dts: sophgo: add initial Milk-V Duo S board support Joshua Milas
2026-03-29 21:14 ` [PATCH v4 0/5] Add " Michael Opdenacker

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