[PATCH v4 12/24] arm64: dts: mediatek: mt8195: Enable cros-ec-spi as wake source
AngeloGioacchino Del Regno
angelogioacchino.delregno at collabora.com
Wed Jan 3 04:22:22 PST 2024
Il 02/01/24 22:07, Mark Hasemeyer ha scritto:
> The cros_ec driver currently assumes that cros-ec-spi compatible device
> nodes are a wakeup-source even though the wakeup-source property is not
> defined.
>
> Some Chromebooks use a separate wake pin, while others overload the
> interrupt for wake and IO. With the current assumption, spurious wakes
> can occur on systems that use a separate wake pin. It is planned to
> update the driver to no longer assume that the EC interrupt pin should
> be enabled for wake.
>
> Add the wakeup-source property to all cros-ec-spi compatible device
> nodes to signify to the driver that they should still be a valid wakeup
> source.
>
> Signed-off-by: Mark Hasemeyer <markhas at chromium.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno at collabora.com>
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