https://github.com/torvalds/linux
Revision defa9cca02fd5904ff26f6b8ce65c72002570f69 authored by Chen-Yu Tsai on 12 April 2024, 07:30:42 UTC, committed by Luiz Augusto von Dentz on 14 May 2024, 14:51:07 UTC
The MediaTek MT7921S is a WiFi/Bluetooth combo chip that works over
SDIO. WiFi and Bluetooth are separate SDIO functions within the chip.
While the Bluetooth SDIO function is fully discoverable, the chip has
a pin that can reset just the Bluetooth core, as opposed to the full
chip. This should be described in the device tree.

Add a device tree binding for the Bluetooth SDIO function of the MT7921S
specifically to document the reset line. This binding is based on the MMC
controller binding, which specifies one device node per SDIO function.

Cc: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Chen-Yu Tsai <wenst@chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
1 parent ce60b92
History
Tip revision: defa9cca02fd5904ff26f6b8ce65c72002570f69 authored by Chen-Yu Tsai on 12 April 2024, 07:30:42 UTC
dt-bindings: net: bluetooth: Add MediaTek MT7921S SDIO Bluetooth
Tip revision: defa9cc
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