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doc: disk: Mention eMMC support in disk subsystem

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Include mention of MMC in disk/SD/SDHC doc pages.

Signed-off-by: Declan Snyder <declan.snyder@nxp.com>
This commit is contained in:
Declan Snyder 2023-08-17 11:59:15 -05:00 committed by Carles Cufí
parent a954157752
commit 6dd8601716
2 changed files with 10 additions and 1 deletions
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3
doc/hardware/peripherals/sdhc.rst
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@ -16,7 +16,8 @@ SD Host Controller
An SD host controller is a device capable of sending SD commands to an attached An SD host controller is a device capable of sending SD commands to an attached
SD card. These commands can be sent using the native SD protocol, or over SPI. SD card. These commands can be sent using the native SD protocol, or over SPI.
the SDHC api is designed to provide a generic way to send commands to and Some SD host controllers are also capable of communicating with MMC devices.
The SDHC api is designed to provide a generic way to send commands to and
interact with attached SD devices. interact with attached SD devices.
Requests Requests

8
doc/services/storage/disk/access.rst
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@ -65,6 +65,14 @@ To read and write files and directories, see the :ref:`file_system_api` in
:zephyr_file:`include/zephyr/fs/fs.h` such as :c:func:`fs_open()`, :zephyr_file:`include/zephyr/fs/fs.h` such as :c:func:`fs_open()`,
:c:func:`fs_read()`, and :c:func:`fs_write()`. :c:func:`fs_read()`, and :c:func:`fs_write()`.
eMMC Device Support
*******************
Zephyr also has support for eMMC devices using the Disk Access API.
MMC in zephyr is implemented using the SD subsystem because the MMC bus
shares a lot of similarity with the SD bus. MMC controllers also use the
SDHC device driver API.
Emulated block device on flash partition support Emulated block device on flash partition support
************************************************ ************************************************