From: Josua Mayer <josua@solid-run.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Magnus Damm <magnus.damm@gmail.com>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
Marc Kleine-Budde <mkl@pengutronix.de>,
Vincent Mailhol <mailhol@kernel.org>,
Vinod Koul <vkoul@kernel.org>,
Kishon Vijay Abraham I <kishon@kernel.org>,
Peter Rosin <peda@axentia.se>,
Aaro Koskinen <aaro.koskinen@iki.fi>,
Andreas Kemnade <andreas@kemnade.info>,
Kevin Hilman <khilman@baylibre.com>,
Roger Quadros <rogerq@kernel.org>,
Tony Lindgren <tony@atomide.com>, Vignesh R <vigneshr@ti.com>,
Janusz Krzysztofik <jmkrzyszt@gmail.com>,
Andi Shyti <andi.shyti@kernel.org>
Cc: Mikhail Anikin <mikhail.anikin@solid-run.com>,
Yazan Shhady <yazan.shhady@solid-run.com>,
Jon Nettleton <jon@solid-run.com>,
linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
linux-can@vger.kernel.org, linux-phy@lists.infradead.org,
linux-omap@vger.kernel.org, linux-i2c@vger.kernel.org,
Josua Mayer <josua@solid-run.com>
Subject: [PATCH v3 0/6] mmc: host: renesas_sdhi_core: support configuring an optional sdio mux
Date: Wed, 10 Dec 2025 18:38:34 +0100 [thread overview]
Message-ID: <20251210-rz-sdio-mux-v3-0-ca628db56d60@solid-run.com> (raw)
Some Renesas SoC based boards mux SD and eMMC on a single sdio
controller, exposing user control by dip switch and software control by
gpio.
Purpose is to simplify development and provisioning by selecting boot
media at power-on, and again before starting linux.
Add binding and driver support for linking a (gpio) mux to renesas sdio
controller.
Introduce generic helper functions for getting managed and selected
mux-state objects, and switch i2c-omap and phy-can-transceiver drivers.
Signed-off-by: Josua Mayer <josua@solid-run.com>
---
Changes in v3:
- updated omap-i2c and phy-can-transceiver to use new helpers.
- created generic helper functions for getting managed optional mux-state.
(Reported-by: Rob Herring <robh@kernel.org>)
- picked up binding ack by Rob Herring.
- replaced use of "SDIO" with "SD/SDIO/eMMC" in binding document and
commit descriptions.
(Reported-by: Ulf Hansson <ulf.hansson@linaro.org>)
- Link to v2: https://lore.kernel.org/r/20251201-rz-sdio-mux-v2-0-bcb581b88dd7@solid-run.com
Changes in v2:
- dropped mux-controller node from dt binding example
(Reported-by: Conor Dooley <conor@kernel.org>
Reported-by: Krzysztof Kozlowski <krzk@kernel.org>)
- Link to v1: https://lore.kernel.org/r/20251128-rz-sdio-mux-v1-0-1ede318d160f@solid-run.com
---
Josua Mayer (6):
phy: can-transceiver: rename temporary helper function to avoid conflict
mux: Add helper functions for getting optional and selected mux-state
phy: can-transceiver: drop temporary helper getting optional mux-state
i2c: omap: switch to new generic helper for getting selected mux-state
dt-bindings: mmc: renesas,sdhi: Add mux-states property
mmc: host: renesas_sdhi_core: support selecting an optional mux
.../devicetree/bindings/mmc/renesas,sdhi.yaml | 6 ++
drivers/i2c/busses/i2c-omap.c | 19 ++----
drivers/mmc/host/Kconfig | 1 +
drivers/mmc/host/renesas_sdhi.h | 1 +
drivers/mmc/host/renesas_sdhi_core.c | 16 +++++-
drivers/mux/core.c | 67 +++++++++++++++++++---
drivers/phy/phy-can-transceiver.c | 10 ----
include/linux/mux/consumer.h | 4 ++
8 files changed, 89 insertions(+), 35 deletions(-)
---
base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787
change-id: 20251128-rz-sdio-mux-acc5137f1618
Best regards,
--
Josua Mayer <josua@solid-run.com>
next reply other threads:[~2025-12-10 17:39 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-10 17:38 Josua Mayer [this message]
2025-12-10 17:38 ` [PATCH v3 1/6] phy: can-transceiver: rename temporary helper function to avoid conflict Josua Mayer
2025-12-10 17:38 ` [PATCH v3 2/6] mux: Add helper functions for getting optional and selected mux-state Josua Mayer
2025-12-10 17:38 ` [PATCH v3 3/6] phy: can-transceiver: drop temporary helper getting optional mux-state Josua Mayer
2025-12-10 17:38 ` [PATCH v3 4/6] i2c: omap: switch to new generic helper for getting selected mux-state Josua Mayer
2025-12-10 17:38 ` [PATCH v3 5/6] dt-bindings: mmc: renesas,sdhi: Add mux-states property Josua Mayer
2025-12-10 17:38 ` [PATCH v3 6/6] mmc: host: renesas_sdhi_core: support selecting an optional mux Josua Mayer
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