linux-kernel - Re: [PATCH v4 0/4] arm64: dts: ti: k3-am62: Support Main UART wakeup

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Message-ID: <7hbjie6cf9.fsf@baylibre.com>
Date: Tue, 27 Jan 2026 12:14:18 -0800
From: Kevin Hilman <khilman@...libre.com>
To: Kendall Willis <k-willis@...com>, Nishanth Menon <nm@...com>, Vignesh
 Raghavendra <vigneshr@...com>, Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>, Krzysztof
 Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
 d-gole@...com, msp@...libre.com
Cc: vishalm@...com, sebin.francis@...com, a-kaur@...com,
 s-kochidanadu@...com, linux-arm-kernel@...ts.infradead.org,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, Kendall Willis
 <k-willis@...com>
Subject: Re: [PATCH v4 0/4] arm64: dts: ti: k3-am62: Support Main UART wakeup

Kendall Willis <k-willis@...com> writes:

> This series adds wakeup support for the Main UART in the device tree of
> the TI AM62 family of devices. It defines the specific pins and pinctrl
> states needed to wakeup the system from the Main UART via I/O
> daisy-chaining. The wakeup-source property is configured to describe the
> low power modes the system can wakeup from using the Main UART.
>
> Dependency
> ----------
> This series depends on the "serial: 8250: omap: set out-of-band wakeup if
> wakeup pinctrl exists" [1] patch. This series should NOT be merged until
> "serial: 8250: omap: set out-of-band wakeup if wakeup pinctrl exists"
> is merged.
>
> Testing
> -------
> Tested on a AM62P SK EVM board and a AM62L EVM board with all the above
> mentioned series implemented. Suspend/resume verified with the Main UART
> wakeup source by entering a keypress on the console.
>
> This github branch has all the necessary patches to test the series
> using v6.19-rc1:
> https://github.com/kwillis01/linux/tree/v6.19/uart-daisy-chain/all
>
> [1] https://lore.kernel.org/all/20260116-uart-wakeup-v2-1-0078ae9996e4@ti.com/

Reviewed-by: Kevin Hilman <khilman@...libre.com>