linux-riscv · linux-riscv-bot · Apr 2, 2026 · Apr 2, 2026 · Apr 2, 2026 · Apr 2, 2026
diff --git a/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml b/Documentation/devicetree/bindings/interrupt-controller/sifive,plic-1.0.0.yaml
@@ -66,6 +66,7 @@ properties:
               - spacemit,k1-plic
               - starfive,jh7100-plic
               - starfive,jh7110-plic
+              - starfive,jhb100-plic
               - tenstorrent,blackhole-plic
           - const: sifive,plic-1.0.0
       - items:

diff --git a/Documentation/devicetree/bindings/riscv/cpus.yaml b/Documentation/devicetree/bindings/riscv/cpus.yaml
@@ -63,6 +63,7 @@ properties:
               - sifive,u74-mc
               - spacemit,x100
               - spacemit,x60
+              - starfive,dubhe-70
               - thead,c906
               - thead,c908
               - thead,c910

diff --git a/Documentation/devicetree/bindings/riscv/starfive.yaml b/Documentation/devicetree/bindings/riscv/starfive.yaml
@@ -43,6 +43,11 @@ properties:
           - const: starfive,jh7110s
           - const: starfive,jh7110
 
+      - items:
+          - enum:
+              - starfive,jhb100-evb1
+          - const: starfive,jhb100
+
 additionalProperties: true
 
 ...
diff --git a/Documentation/devicetree/bindings/timer/sifive,clint.yaml b/Documentation/devicetree/bindings/timer/sifive,clint.yaml
@@ -37,6 +37,7 @@ properties:
               - starfive,jh7100-clint   # StarFive JH7100
               - starfive,jh7110-clint   # StarFive JH7110
               - starfive,jh8100-clint   # StarFive JH8100
+              - starfive,jhb100-clint   # StarFive JHB100
               - tenstorrent,blackhole-clint # Tenstorrent Blackhole
           - const: sifive,clint0        # SiFive CLINT v0 IP block
       - items:

diff --git a/MAINTAINERS b/MAINTAINERS
@@ -25311,6 +25311,12 @@ S:	Supported
 F:	Documentation/devicetree/bindings/interrupt-controller/starfive,jh8100-intc.yaml
 F:	drivers/irqchip/irq-starfive-jh8100-intc.c
 
+STARFIVE JHB100 DEVICETREES
+M:	Changhuang Liang <changhuang.liang@starfivetech.com>
+L:	linux-riscv@lists.infradead.org
+S:	Maintained
+F:	arch/riscv/boot/dts/starfive/jhb100*
+
 STATIC BRANCH/CALL
 M:	Peter Zijlstra <peterz@infradead.org>
 M:	Josh Poimboeuf <jpoimboe@kernel.org>

diff --git a/arch/riscv/boot/dts/starfive/Makefile b/arch/riscv/boot/dts/starfive/Makefile
@@ -18,3 +18,5 @@ dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-lite.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-lite-emmc.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.2a.dtb
 dtb-$(CONFIG_ARCH_STARFIVE) += jh7110-starfive-visionfive-2-v1.3b.dtb
+
+dtb-$(CONFIG_ARCH_STARFIVE) += jhb100-evb1-eth.dtb
diff --git a/arch/riscv/boot/dts/starfive/jhb100-evb1-eth.dts b/arch/riscv/boot/dts/starfive/jhb100-evb1-eth.dts
@@ -0,0 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (c) 2024-2026 StarFive Technology Co., Ltd.
+ */
+
+#include "jhb100-evb1.dtsi"
diff --git a/arch/riscv/boot/dts/starfive/jhb100-evb1.dtsi b/arch/riscv/boot/dts/starfive/jhb100-evb1.dtsi
@@ -0,0 +1,32 @@
+// SPDX-License-Identifier: GPL-2.0 OR MIT
+/*
+ * Copyright (c) 2024-2026 StarFive Technology Co., Ltd.
+ */
+
+#include "jhb100.dtsi"
+
+/ {
+	model = "StarFive JHB100 EVB-1";
+	compatible = "starfive,jhb100-evb1", "starfive,jhb100";
+
+	aliases {
+		serial6 = &uart6;
+	};
+
+	chosen {
+		stdout-path = "serial6:115200n8";
+	};
+
+	cpus {
+		timebase-frequency = <5000000>;
+	};
+
+	memory@40000000 {
+		device_type = "memory";
+		reg = <0x0 0x40000000 0x0 0x40000000>;	/* 1GB */
+	};
+};
+
+&uart6 {
+	status = "okay";
+};