Re: [PATCH v8 11/11] arm64: dts: renesas: add support for solidrun rzg2ul som on hb-ripple
From: Geert Uytterhoeven
Date: Wed Sep 23 2026 - 12:17:14 EST
On Fri, 4 Sept 2026 at 13:56, Josua Mayer <josua@xxxxxxxxxxxxx> wrote:
> Add support for the SolidRun RZ/G2UL SoM [1] on HummingBoard Ripple [2].
>
> The SoM features:
> - 100Mbps Ethernet with PHY
> - eMMC
> - 512MB/1GB DDR
> - WiFi + Bluetooth
> - SDHI Mux switching between eMMC and Carrier Board
>
> The HummingBoard Ripple is a reduced version of HummingBoard Pulse,
> featuring:
> - 2x USB-2.0 Type-A connector
> - 1x 100Mbps RJ45 Ethernet
> - micro-HDMI connector (not usable with RZ/G2UL SoM)
> - microSD connector
> - mini-PCI-E connector with SIM slot supporting USB-2.0 interface
> - MIPI-CSI Camera Connector (not described without specific camera)
> - RTC with backup battery
>
> The carrier board is identical between RZ/G2L, RZ/G2LC, RZ/G2UL and
> RZ/V2L SoMs, yet only the RZ/G2LC combination has a product page [2].
>
> RZ/G2UL SoM shares SCIF2 pins between on-SoM Bluetooth and carrier
> board. Provide dt overlay changing pin function from uart to gpio led
> control.
>
> While the variant being supported here is named "Ripple", the overlay
> still carries the "pulse" suffix as it would fit all its variants.
>
> Descriptions for eMMC and microSD are shared with G2L SoM and
> HummingBoard IIoT.
>
> [1] https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-g2ul-som/
> [2] https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/hummingboard-rz-series-sbcs/hummingboard-rz-g2lc-base/
>
> Signed-off-by: Josua Mayer <josua@xxxxxxxxxxxxx>
I didn't compare with the board schematics, but it LGTM, so
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds