Re: [RESEND PATCH v3 2/2] i2c: i2c-mux-gpio: Enable this driver in ACPI land

From: Wolfram Sang
Date: Sun Jan 17 2021 - 06:55:27 EST


On Wed, Nov 18, 2020 at 03:40:25PM -0800, Evan Green wrote:
> Enable i2c-mux-gpio devices to be defined via ACPI. The idle-state
> property translates directly to a fwnode_property_*() call. The child
> reg property translates naturally into _ADR in ACPI.
>
> The i2c-parent binding is a relic from the days when the bindings
> dictated that all direct children of an I2C controller had to be I2C
> devices. These days that's no longer required. The i2c-mux can sit as a
> direct child of its parent controller, which is where it makes the most
> sense from a hardware description perspective. For the ACPI
> implementation we'll assume that's always how the i2c-mux-gpio is
> instantiated.
>
> Signed-off-by: Evan Green <evgreen@xxxxxxxxxxxx>

Applied to for-next, thanks! The code Andy mentioned can still be
refactored later if new ACPI helpers appear in the future.

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