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commit d741e1a818f8addabfc8858fcb1f3233dd02a817 Author: Jukka Laitinen <[email protected]> AuthorDate: Thu Oct 8 16:43:20 2026 +0300 Documentation/imxrt118x: Document the uSDHC support Add documentation for micro-SD card support on imxrt1180-evk Signed-off-by: Jukka Laitinen <[email protected]> --- Documentation/platforms/arm/imxrt/boards/imxrt1180-evk/index.rst | 9 ++++++--- Documentation/platforms/arm/imxrt/index.rst | 8 ++++++++ 2 files changed, 14 insertions(+), 3 deletions(-) diff --git a/Documentation/platforms/arm/imxrt/boards/imxrt1180-evk/index.rst b/Documentation/platforms/arm/imxrt/boards/imxrt1180-evk/index.rst index e275bc0ab04..72342a75d8d 100644 --- a/Documentation/platforms/arm/imxrt/boards/imxrt1180-evk/index.rst +++ b/Documentation/platforms/arm/imxrt/boards/imxrt1180-evk/index.rst @@ -42,8 +42,10 @@ Features - Two software-controlled user LEDs The current NuttX configurations provide the serial console, USB device -support, image generation, and multicore boot flow. The other on-board -interfaces listed above are not enabled by the supplied configurations. +support, image generation, and multicore boot flow. The Cortex-M7 ``nsh`` +configuration also enables the onboard MicroSD socket through USDHC1. Other +on-board interfaces listed above are not enabled by the supplied +configurations. Buttons and LEDs ================ @@ -246,7 +248,8 @@ nsh Runs NSH on the Cortex-M7. The output ``nuttx.bin`` is a raw XIP payload that must be programmed at offset ``0x80000`` and started by the ``bl`` configuration. NSH is available on LPUART1 at the MCU-Link virtual COM port. -This configuration also enables USB CDC/ACM and the ``ostest`` application. +This configuration also enables USB CDC/ACM, the ``ostest`` application, and +the onboard MicroSD socket via USDHC1. License Exceptions ================== diff --git a/Documentation/platforms/arm/imxrt/index.rst b/Documentation/platforms/arm/imxrt/index.rst index 9a22d8016b5..3e302d83aaf 100644 --- a/Documentation/platforms/arm/imxrt/index.rst +++ b/Documentation/platforms/arm/imxrt/index.rst @@ -106,6 +106,7 @@ SAI No SPDIF No SPI Yes UART Yes +uSDHC Yes USB Yes ========== ======= @@ -281,6 +282,13 @@ UART Universal Asynchronous Receiver/Transmitter module. UART is initialized automatically during MCU boot. +uSDHC +----- + +The uSDHC driver provides SD/MMC support and is available on the i.MX RT118x. +The i.MX RT1180 EVK NSH configuration enables USDHC1 for its onboard MicroSD +socket. + USB ---
