From: Bryan Brattlof <bb@ti.com>
To: Kendall Willis <k-willis@ti.com>
Cc: Nishanth Menon <nm@ti.com>, Vignesh Raghavendra <vigneshr@ti.com>,
"Tero Kristo" <kristo@kernel.org>, Rob Herring <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>, "Dhruva Gole" <d-gole@ti.com>,
<vishalm@ti.com>, <sebin.francis@ti.com>, <msp@baylibre.com>,
<khilman@baylibre.com>, <a-kaur@ti.com>, <s-kochidanadu@ti.com>,
<linux-arm-kernel@lists.infradead.org>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 3/3] arm64: boot: dts: ti: k3-am62l3-evm: enable WKUP UART wakeup from LPM
Date: Mon, 5 Jan 2026 08:01:28 -0600 [thread overview]
Message-ID: <20260105140128.bd5tiheg3k6y2tyd@bryanbrattlof.com> (raw)
In-Reply-To: <20251230-wkup-uart-wakeup-v1-3-cd6e15f8d956@ti.com>
On December 30, 2025 thus sayeth Kendall Willis:
> Change the status of the wkup_uart0_interconnect node to enabled. The
> target-module node sets the UART SYSC and SYSS registers to allow wakeup
> from WKUP UART in DeepSleep low power mode.
>
> Signed-off-by: Kendall Willis <k-willis@ti.com>
> ---
> arch/arm64/boot/dts/ti/k3-am62l3-evm.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
> index cae04cce337366b50928d39b0c888550b14e43d3..02b1a1c76b2ee05d49cd69d199a6aacdb1973fa0 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am62l3-evm.dts
> @@ -359,3 +359,7 @@ &usb1 {
> pinctrl-names = "default";
> pinctrl-0 = <&usb1_default_pins>;
> };
> +
> +&wkup_uart0_interconnect {
> + status = "okay";
> +};
Does the UART need to be enabled as well?
~Bryan
next prev parent reply other threads:[~2026-01-05 14:01 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-12-31 2:51 [PATCH 0/3] arm64: boot: dts: ti: k3-am62l: enable WKUP UART wakeup Kendall Willis
2025-12-31 2:51 ` [PATCH 1/3] arm64: dts: ti: k3-am62l: include WKUP_UART0 in wakeup peripheral window Kendall Willis
2026-01-05 13:22 ` Dhruva Gole
2025-12-31 2:51 ` [PATCH 2/3] arm64: boot: dts: ti: k3-am62l-wakeup: create label for target-module Kendall Willis
2026-01-05 13:24 ` Dhruva Gole
2025-12-31 2:51 ` [PATCH 3/3] arm64: boot: dts: ti: k3-am62l3-evm: enable WKUP UART wakeup from LPM Kendall Willis
2026-01-05 13:25 ` Dhruva Gole
2026-01-05 13:55 ` Nishanth Menon
2026-01-05 22:10 ` Kendall Willis
2026-01-06 11:56 ` Nishanth Menon
2026-01-06 17:10 ` Kendall Willis
2026-01-05 14:01 ` Bryan Brattlof [this message]
2026-01-05 22:14 ` Kendall Willis
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