Re: [PATCH v6 0/5] arm64: dts: renesas: Add various SolidRun RZ/G2 based boards

[Josua Mayer <josua@solid-run.com>]

On 8/10/26 10:11, Josua Mayer wrote:
> Add support for a variety of SolidRun RZ/G2 based SoMs and the
> HummingBoard IIoT Evaluation board.
>
> Bindings are added for all SolidRun RZ/G2 SoMs:
>
> - RZ/G2L SYSTEM ON MODULE
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-g2l-som/
> - RZ/V2L SYSTEM ON MODULE
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-v2l-som/
> - RZ/G2LC SYSTEM ON MODULE
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-g2lc-som/
> - RZ/G2UL SYSTEM ON MODULE
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/rz-g2ul-som/
>
> And each supported carrier board:
>
> - HUMMINGBOARD RZ/G2L IIOT
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/hummingboard-rz-series-sbcs/hummingboard-rz-g2l-iot-sbc/
> - HUMMINGBOARD RZ/G2L PRO
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/hummingboard-rz-series-sbcs/hummingboard-rz-g2l-sbc/
> - HUMMINGBOARD RZ/G2LC BASE (Ripple)
>    https://www.solid-run.com/embedded-industrial-iot/renesas-rz-family/hummingboard-rz-series-sbcs/hummingboard-rz-g2lc-base/
>
> Device-tree are only added for the first board to reduce initial effort.
>
> Signed-off-by: Josua Mayer <josua@solid-run.com>
> ---
> Changes in v6:
> - Drop currently unused usb-vbus pinctrl nodes from som dtsi, reported
>    by sashiko.
> - Fix duplicate pin config mistakes in split dat0-3/dat4-7, reported by
>    sashiko.
> - Link to v5: https://patch.msgid.link/20260809-rzg2-sr-boards-v5-0-19c662358e36@solid-run.com
>
> Changes in v5:
> - Clarified sdhi mux dt comment on mux and gpio states.
> - Added microsd & emmc dtbos to Makefile targets explicitly for V2L SoC
>    too. Reported by Sashiko.
> - split 8-bit and 4-bit sdhi pinctrl to avoid theoretical overvoltage on
>    hardwired eMMC DAT4-7 pins. Reported by sashiko.
> - Moved dr_mode from usb phy to controller. Reported by sashiko.
> - Collected acks.
> - Link to v4: https://patch.msgid.link/20260730-rzg2-sr-boards-v4-0-08bc459578dc@solid-run.com
>
> Changes in v4:
> - Rebased on v7.2-rc1.
> - Addresed sashiko comments for g2l som & hb-iiot:
>    gpio dt property -> plural, irq levels, memory size, usb-3.0 hub.
>    The usb hub ids however are correct, 6502 and 6506 are usb-2.0.
> - Addressed sashiko comments for g2lc som & hb-iiot:
>    gpio dt property -> plural, vmmc gpio polarity.
> - Link to v3: https://patch.msgid.link/20260512-rzg2-sr-boards-v3-0-f033fc96c906@solid-run.com
>
> Changes in v3:
> - Added explanatory comments on won't-fix sashiko findings.
> - Added cap-sdio-irq to sdhi controllers used for WiFi.
> - Drop redundant addition of common device-tree overlays to install
>    targets of G2L(C) SoC.
> - Add common device-tree overlays to install targets of both G2L and V2L
>    SoCs.
> - Assign kbuild composie variables with := operator.
> - Link to v2: https://lore.kernel.org/r/20260511-rzg2-sr-boards-v2-0-82aebbd27891@solid-run.com
>
> Changes in v2:
> - Added relevant product page links to each commit description.
> - Added product page links to cover letter, thanks Geert.
> - Link to v1: https://lore.kernel.org/r/20260503-rzg2-sr-boards-v1-0-8545677f93ca@solid-run.com
>
> Cc: Jon Nettleton <jon@solid-run.com>
> Cc: Mikhail Anikin <mikhail.anikin@solid-run.com>
> Cc: Yazan Shhady <yazan.shhady@solid-run.com>
> To: Geert Uytterhoeven <geert+renesas@glider.be>
> To: Magnus Damm <magnus.damm@gmail.com>
> To: Rob Herring <robh@kernel.org>
> To: Krzysztof Kozlowski <krzk+dt@kernel.org>
> To: Conor Dooley <conor+dt@kernel.org>
> To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
> To: Benjamin Bara <benjamin.bara@skidata.com>
> Cc: linux-renesas-soc@vger.kernel.org
> Cc: devicetree@vger.kernel.org
> Cc: linux-kernel@vger.kernel.org
> Cc: linux-usb@vger.kernel.org
>
> ---
> Josua Mayer (5):
>        dt-bindings: soc: renesas: Add various SolidRun RZ/G2 based boards
>        dt-bindings: usb: cypress,hx3: make peer-hub property optional
>        arm64: dts: renesas: add support for solidrun rzg2l som and hb-iiot evb
>        arm64: dts: renesas: add support for solidrun rzv2l som and hb-iiot evb
>        arm64: dts: renesas: add support for solidrun rzg2lc som and hb-iiot evb
>
>   .../devicetree/bindings/soc/renesas/renesas.yaml   |  37 ++
>   .../devicetree/bindings/usb/cypress,hx3.yaml       |   1 -
>   arch/arm64/boot/dts/renesas/Makefile               |  35 ++
>   .../dts/renesas/r9a07g044c2-hummingboard-iiot.dts  |  20 +
>   .../dts/renesas/r9a07g044l2-hummingboard-iiot.dts  |  16 +
>   .../dts/renesas/r9a07g054l2-hummingboard-iiot.dts  |  16 +
>   .../renesas/rzg2l-hummingboard-iiot-common.dtsi    | 560 +++++++++++++++++++++
>   .../renesas/rzg2l-hummingboard-iiot-microsd.dtso   |  26 +
>   .../renesas/rzg2l-hummingboard-iiot-rs485-a.dtso   |  17 +
>   .../renesas/rzg2l-hummingboard-iiot-rs485-b.dtso   |  17 +
>   .../boot/dts/renesas/rzg2l-hummingboard-iiot.dtsi  |  49 ++
>   arch/arm64/boot/dts/renesas/rzg2l-sr-som-emmc.dtso |  44 ++
>   arch/arm64/boot/dts/renesas/rzg2l-sr-som.dtsi      | 451 +++++++++++++++++
>   arch/arm64/boot/dts/renesas/rzg2lc-sr-som.dtsi     | 408 +++++++++++++++
>   14 files changed, 1696 insertions(+), 1 deletion(-)
> ---
> base-commit: dc59e4fea9d83f03bad6bddf3fa2e52491777482
> change-id: 20260502-rzg2-sr-boards-37d556668a2d
>
> Best regards,
> --
> Josua Mayer <josua@solid-run.com>

Please don' t merge and hold off till v7.
The latest versions attempts at avoiding 1.8V/3.3V conflicts
on SD0 pins break booting and are invalid.