linux-kernel - [PATCH 3/4] ARM: dts: am335x: Set wakeup-source for UART0

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Message-Id: <20250318230042.3138542-4-sbellary@baylibre.com>
Date: Tue, 18 Mar 2025 16:00:41 -0700
From: Sukrut Bellary <sbellary@...libre.com>
To: Kevin Hilman <khilman@...libre.com>,
	Russell King <linux@...linux.org.uk>,
	Rob Herring <robh@...nel.org>,
	Tony Lindgren <tony@...mide.com>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Nishanth Menon <nm@...com>,
	Ulf Hansson <ulf.hansson@...aro.org>
Cc: Sukrut Bellary <sbellary@...libre.com>,
	Aaro Koskinen <aaro.koskinen@....fi>,
	Andreas Kemnade <andreas@...nade.info>,
	Roger Quadros <rogerq@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Santosh Shilimkar <ssantosh@...nel.org>,
	Bajjuri Praneeth <praneeth@...com>,
	Raghavendra Vignesh <vigneshr@...com>,
	Bin Liu <b-liu@...com>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-omap@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-pm@...r.kernel.org
Subject: [PATCH 3/4] ARM: dts: am335x: Set wakeup-source for UART0

On am335x evm[1], UART0(UART1-HW) has a wakeup capability.
Set wakeup-source, which will be used in the omap serial driver to enable
the device wakeup capability.

[1] https://www.ti.com/tool/TMDXEVM3358
[2] AM335x TRM - https://www.ti.com/lit/ug/spruh73q/spruh73q.pdf

Signed-off-by: Sukrut Bellary <sbellary@...libre.com>
---
 arch/arm/boot/dts/ti/omap/am335x-evm.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/ti/omap/am335x-evm.dts b/arch/arm/boot/dts/ti/omap/am335x-evm.dts
index 61bf8bcd4c4e..20222f82f21b 100644
--- a/arch/arm/boot/dts/ti/omap/am335x-evm.dts
+++ b/arch/arm/boot/dts/ti/omap/am335x-evm.dts
@@ -388,7 +388,7 @@ AM33XX_PADCONF(AM335X_PIN_UART0_RTSN, PIN_INPUT_PULLDOWN, MUX_MODE2) /* uart0_rt
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins>;
-
+	wakeup-source;
 	status = "okay";
 };
 
-- 
2.34.1