[PATCH v8 05/11] arm64: dts: renesas: add support for solidrun rzv2l som and hb-iiot evb
From: Josua Mayer <hidden>
Date: 2026-09-04 11:56:57
Also in:
linux-gpio, linux-renesas-soc, linux-usb, lkml
Subsystem:
arm/risc-v/renesas architecture, the rest · Maintainers:
Geert Uytterhoeven, Magnus Damm, Linus Torvalds
Add support for the SolidRun RZ/V2L [1] SoM on HummingBoard IIoT [2]. The SoM features: - 2x 1Gbps Ethernet with PHY - eMMC - 1/2GB DDR - WiFi + Bluetooth - SDHI Mux switching between eMMC and Carrier Board The HummingBoard IIoT features: - 3x USB-2.0 Type A connector - 2x 1Gbps RJ45 Ethernet - USB Type-C Console Port - microSD connector - RTC with backup battery - RGB Status LED - 1x M.2 B-Key connector with USB-2.0 + SIM card holder - 1x DSI Display Connector - GPIO header - 2x RS232/RS485 ports (configurable) - 2x CAN The RZ/V2L SoM shares PCB with RZ/G2L, differing only in the SoC itself. RZ/V2L is adding a powerful DRP-AI NPU which G2L lacks. Due to the similarities most code is shared, including DT overlays for eMMC, microSD, and RS485. [1] https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-v2l-som/ [2] https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/hummingboard-rz-series-sbcs/hummingboard-rz-g2l-iot-sbc/ Signed-off-by: Josua Mayer <redacted> --- arch/arm64/boot/dts/renesas/Makefile | 13 +++++++++++++ .../boot/dts/renesas/r9a07g054l2-hummingboard-iiot.dts | 16 ++++++++++++++++ 2 files changed, 29 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/Makefile b/arch/arm64/boot/dts/renesas/Makefile
index e2af196e18bf6..4a0cde8cc3b7d 100644
--- a/arch/arm64/boot/dts/renesas/Makefile
+++ b/arch/arm64/boot/dts/renesas/Makefile@@ -189,6 +189,19 @@ dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc-cru-csi-ov5645.dtbo r9a07g044l2-smarc-cru-csi-ov5645-dtbs := r9a07g044l2-smarc.dtb r9a07g044l2-smarc-cru-csi-ov5645.dtbo dtb-$(CONFIG_ARCH_R9A07G044) += r9a07g044l2-smarc-cru-csi-ov5645.dtb +dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-hummingboard-iiot.dtb +dtb-$(CONFIG_ARCH_R9A07G054) += rzg2l-sr-som-emmc.dtbo +r9a07g054l2-hummingboard-iiot-emmc-dtbs := r9a07g054l2-hummingboard-iiot.dtb rzg2l-sr-som-emmc.dtbo +dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-hummingboard-iiot-emmc.dtb +dtb-$(CONFIG_ARCH_R9A07G054) += rzg2l-hummingboard-iiot-microsd.dtbo +r9a07g054l2-hummingboard-iiot-microsd-dtbs := r9a07g054l2-hummingboard-iiot.dtb rzg2l-hummingboard-iiot-microsd.dtbo +dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-hummingboard-iiot-microsd.dtb +dtb-$(CONFIG_ARCH_R9A07G054) += rzg2l-hummingboard-iiot-rs485-a.dtbo +r9a07g054l2-hummingboard-iiot-rs485-a-dtbs := r9a07g054l2-hummingboard-iiot.dtb rzg2l-hummingboard-iiot-rs485-a.dtbo +dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-hummingboard-iiot-rs485-a.dtb +dtb-$(CONFIG_ARCH_R9A07G054) += rzg2l-hummingboard-iiot-rs485-b.dtbo +r9a07g054l2-hummingboard-iiot-rs485-b-dtbs := r9a07g054l2-hummingboard-iiot.dtb rzg2l-hummingboard-iiot-rs485-b.dtbo +dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-hummingboard-iiot-rs485-b.dtb dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-smarc.dtb dtb-$(CONFIG_ARCH_R9A07G054) += r9a07g054l2-smarc-cru-csi-ov5645.dtbo r9a07g054l2-smarc-cru-csi-ov5645-dtbs := r9a07g054l2-smarc.dtb r9a07g054l2-smarc-cru-csi-ov5645.dtbo
diff --git a/arch/arm64/boot/dts/renesas/r9a07g054l2-hummingboard-iiot.dts b/arch/arm64/boot/dts/renesas/r9a07g054l2-hummingboard-iiot.dts
new file mode 100644
index 0000000000000..d77a6ff163bea
--- /dev/null
+++ b/arch/arm64/boot/dts/renesas/r9a07g054l2-hummingboard-iiot.dts@@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +/* + * Copyright 2025 Josua Mayer <josua@solid-run.com> + */ + +/dts-v1/; + +#include "r9a07g054l2.dtsi" +#include "rzg2l-sr-som.dtsi" +#include "rzg2l-hummingboard-iiot.dtsi" + +/ { + compatible = "solidrun,rzv2l-hummingboard-iiot", "solidrun,rzv2l-sr-som", + "renesas,r9a07g054l2", "renesas,r9a07g054"; + model = "SolidRun RZ/V2L HummingBoard IIoT"; +};
--
2.51.0