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X-OriginatorOrg: solid-run.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Dec 2025 12:31:23.7864 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 69e297a6-1e4c-4440-d9c4-08de30d58a40 X-MS-Exchange-CrossTenant-Id: a4a8aaf3-fd27-4e27-add2-604707ce5b82 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=a4a8aaf3-fd27-4e27-add2-604707ce5b82;Ip=[52.17.62.50];Helo=[eu-dlp.cloud-sec-av.com] X-MS-Exchange-CrossTenant-AuthSource: AM2PEPF0001C711.eurprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: VI0PR04MB10461 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. Signed-off-by: Josua Mayer --- Changes in v2: - dropped mux-controller node from dt binding example (Reported-by: Conor Dooley Reported-by: Krzysztof Kozlowski ) - Link to v1: https://lore.kernel.org/r/20251128-rz-sdio-mux-v1-0-1ede318d160f@solid-run.com --- Josua Mayer (2): dt-bindings: mmc: renesas,sdhi: Add mux-states property mmc: host: renesas_sdhi_core: support configuring an optional sdio mux .../devicetree/bindings/mmc/renesas,sdhi.yaml | 6 +++++ drivers/mmc/host/Kconfig | 1 + drivers/mmc/host/renesas_sdhi.h | 1 + drivers/mmc/host/renesas_sdhi_core.c | 27 +++++++++++++++++++--- 4 files changed, 32 insertions(+), 3 deletions(-) --- base-commit: 3a8660878839faadb4f1a6dd72c3179c1df56787 change-id: 20251128-rz-sdio-mux-acc5137f1618 Best regards, -- Josua Mayer