From: "Rob Herring (Arm)" <robh@kernel.org>
To: Josua Mayer <josua@solid-run.com>
Cc: linux-mmc@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
Jon Nettleton <jon@solid-run.com>,
Geert Uytterhoeven <geert+renesas@glider.be>,
linux-kernel@vger.kernel.org,
Yazan Shhady <yazan.shhady@solid-run.com>,
Mikhail Anikin <mikhail.anikin@solid-run.com>,
Ulf Hansson <ulf.hansson@linaro.org>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
devicetree@vger.kernel.org, Magnus Damm <magnus.damm@gmail.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH v2 1/2] dt-bindings: mmc: renesas,sdhi: Add mux-states property
Date: Sun, 7 Dec 2025 19:25:08 -0600 [thread overview]
Message-ID: <176515710765.339992.15158298928196406784.robh@kernel.org> (raw)
In-Reply-To: <20251201-rz-sdio-mux-v2-1-bcb581b88dd7@solid-run.com>
On Mon, 01 Dec 2025 13:31:10 +0100, Josua Mayer wrote:
> Add mux controller support for when sdio lines are muxed between a host
> and multiple cards.
>
> There are several devices supporting a choice of eMMC or SD on a single
> board by both dip switch and gpio, e.g. Renesas RZ/G2L SMARC SoM and
> SolidRun RZ/G2L SoM.
>
> In-tree dts for the Renesas boards currently rely on preprocessor macros
> to hog gpios and define the card.
>
> By adding mux-states property to sdio controller description, boards can
> correctly describe the mux that already exists in hardware - and drivers
> can coordinate between mux selection and probing for cards.
>
> Signed-off-by: Josua Mayer <josua@solid-run.com>
> ---
> Documentation/devicetree/bindings/mmc/renesas,sdhi.yaml | 6 ++++++
> 1 file changed, 6 insertions(+)
>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2025-12-08 1:25 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-01 12:31 [PATCH v2 0/2] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux Josua Mayer
2025-12-01 12:31 ` [PATCH v2 1/2] dt-bindings: mmc: renesas,sdhi: Add mux-states property Josua Mayer
2025-12-01 13:02 ` Biju Das
2025-12-01 14:00 ` Josua Mayer
2025-12-01 14:15 ` Biju Das
2025-12-22 10:58 ` Geert Uytterhoeven
2025-12-22 11:04 ` Biju Das
2025-12-08 1:25 ` Rob Herring (Arm) [this message]
2025-12-09 12:08 ` Ulf Hansson
2025-12-10 14:49 ` Josua Mayer
2025-12-01 12:31 ` [PATCH v2 2/2] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux Josua Mayer
2025-12-08 1:24 ` Rob Herring
2025-12-10 14:54 ` Josua Mayer
2025-12-01 13:17 ` [PATCH v2 0/2] " Biju Das
2025-12-01 14:21 ` Josua Mayer
2025-12-01 14:27 ` Biju Das
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