From: Joshua Milas <josh.milas@gmail.com>
To: tglx@linutronix.de, robh@kernel.org, krzk+dt@kernel.org,
conor+dt@kernel.org, unicorn_wang@outlook.com,
inochiama@gmail.com, paul.walmsley@sifive.com,
samuel.holland@sifive.com, palmer@dabbelt.com,
aou@eecs.berkeley.edu, alex@ghiti.fr,
alexander.sverdlin@gmail.com, rabenda.cn@gmail.com,
thomas.bonnefille@bootlin.com, chao.wei@sophgo.com,
liujingqi@lanxincomputing.com
Cc: josh.milas@gmail.com, devicetree@vger.kernel.org,
sophgo@lists.linux.dev, linux-riscv@lists.infradead.org
Subject: [PATCH v3 2/5] arm64: dts: sophgo: add initial Milk-V Duo S board support
Date: Tue, 28 Oct 2025 20:10:49 -0400 [thread overview]
Message-ID: <20251029001052.36774-3-josh.milas@gmail.com> (raw)
In-Reply-To: <20251029001052.36774-1-josh.milas@gmail.com>
Adds initial arm64 support for the Milk-V Duo S board
[1] making it possible to boot Linux to the command line.
Link: https://milkv.io/duo-s [1]
Signed-off-by: Joshua Milas <josh.milas@gmail.com>
---
arch/arm64/boot/dts/sophgo/Makefile | 1 +
.../boot/dts/sophgo/sg2000-milkv-duo-s.dts | 80 +++++++++++++++++++
2 files changed, 81 insertions(+)
create mode 100644 arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
diff --git a/arch/arm64/boot/dts/sophgo/Makefile b/arch/arm64/boot/dts/sophgo/Makefile
index 94f52cd7d994b..68aace728223a 100644
--- a/arch/arm64/boot/dts/sophgo/Makefile
+++ b/arch/arm64/boot/dts/sophgo/Makefile
@@ -1,2 +1,3 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-module-01-evb.dtb
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-s.dtb
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
new file mode 100644
index 0000000000000..174c194e1301d
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-s.dts
@@ -0,0 +1,80 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include "sg2000.dtsi"
+
+/ {
+ model = "Milk-V Duo S";
+ compatible = "milkv,duo-s", "sophgo,sg2000";
+
+ aliases {
+ i2c4 = &i2c4;
+ mmc0 = &sdhci0;
+ serial0 = &uart0;
+ spi3 = &spi3;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+};
+
+&osc {
+ clock-frequency = <25000000>;
+};
+
+&dmac {
+ status = "okay";
+};
+
+&emmc {
+ bus-width = <4>;
+ no-1-8-v;
+ cap-mmc-hw-reset;
+ no-sd;
+ no-sdio;
+ non-removable;
+ status = "okay";
+};
+
+&gmac0 {
+ status = "okay";
+};
+
+&i2c4 {
+ status = "okay";
+};
+
+&mdio {
+ status = "okay";
+};
+
+&saradc {
+ status = "okay";
+};
+
+&sdhci0 {
+ bus-width = <4>;
+ no-1-8-v;
+ disable-wp;
+ status = "okay";
+};
+
+&sdhci1 {
+ bus-width = <4>;
+ cap-sdio-irq;
+ no-mmc;
+ no-sd;
+ non-removable;
+ status = "okay";
+};
+
+&spi3 {
+ status = "okay";
+};
+
+&uart0 {
+ status = "okay";
+};
+
--
2.51.1
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next prev parent reply other threads:[~2025-10-29 0:12 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-29 0:10 [PATCH v3 0/5] Add initial Milk-V Duo S board support Joshua Milas
2025-10-29 0:10 ` [PATCH v3 1/5] dt-bindings: soc: sophgo: add Milk-V Duo S board compatibles Joshua Milas
2025-10-29 5:58 ` Krzysztof Kozlowski
2025-10-29 0:10 ` Joshua Milas [this message]
2025-10-29 12:35 ` [PATCH v3 2/5] arm64: dts: sophgo: add initial Milk-V Duo S board support Michael Opdenacker
2025-10-29 14:41 ` Michael Opdenacker
2025-10-29 0:10 ` [PATCH v3 3/5] dt-bindings: soc: sophgo: add sg2000 plic and clint documentation Joshua Milas
2025-10-29 0:10 ` [PATCH v3 4/5] riscv64: dts: sophgo: add SG2000 dtsi Joshua Milas
2025-10-29 0:10 ` [PATCH v3 5/5] riscv64: dts: sophgo: add initial Milk-V Duo S board support Joshua Milas
2025-10-29 5:57 ` [PATCH v3 0/5] Add " Krzysztof Kozlowski
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