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From: Kendall Willis <k-willis@ti.com>
To: "Kumar, Udit" <u-kumar1@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>, <s-kochidanadu@ti.com>,
	<a-kaur@ti.com>, <s-tripathi1@ti.com>, <vishalm@ti.com>,
	<linux-arm-kernel@lists.infradead.org>,
	<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 1/4] arm64: dts: ti: k3-am62-lp-sk: add out-band-wakeup property to m_can devices
Date: Thu, 10 Sep 2026 14:50:35 -0500	[thread overview]
Message-ID: <20260910195035.rwat6hnebqayrrwq@uda0506412> (raw)
In-Reply-To: <5db751f9-4bc8-470d-b397-b3c285c5f032@ti.com>

Hi Udit,
On 22:47-20260906, Kumar, Udit wrote:
> Hello Kendall
> 
> On 8/21/2026 3:38 AM, Kendall Willis wrote:
> > The m_can pins can be a wakeup source in the deepest low power states,
> > despite being in the MCU domain which is OFF during deeper low power
> > states. Add the out-band-wakeup property to allow the out_band_wakeup flag
> > to be enabled during suspend for m_can devices.
> > 
> > Signed-off-by: Kendall Willis <k-willis@ti.com>
> > ---
> >  arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> > index dfd65c00f5b95bca9e3a447f3ca14ad40631e1c2..011f2f37037553d1dd8ef68d2ecad36c4e93b130 100644
> > --- a/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> > +++ b/arch/arm64/boot/dts/ti/k3-am62-lp-sk.dts
> > @@ -283,6 +283,7 @@ &gpmc0 {
> >  };
> >  
> >  &mcu_mcan0 {
> > +	out-band-wakeup;
> 
> In updated series of mcan[0]
> LTM, you want to decide out-band-wakeup by compatible.
> If so then, this series can be dropped.
> 
> [0] https://lore.kernel.org/all/20260902-temp-v4-0-3896f7d16ce8@ti.com/

Yep, this series should be dropped, I will be continuing with the series
you linked [0].

Best,
Kendall

> >  	pinctrl-names = "default", "wakeup";
> >  	pinctrl-0 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_default>;
> >  	pinctrl-1 = <&mcu_mcan0_tx_pins_default>, <&mcu_mcan0_rx_pins_wakeup>;
> > @@ -294,6 +295,7 @@ &mcu_mcan0 {
> >  };
> >  
> >  &mcu_mcan1 {
> > +	out-band-wakeup;
> >  	pinctrl-names = "default", "wakeup";
> >  	pinctrl-0 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_default>;
> >  	pinctrl-1 = <&mcu_mcan1_tx_pins_default>, <&mcu_mcan1_rx_pins_wakeup>;
> > 
> 

  reply	other threads:[~2026-09-10 19:51 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-08-20 22:08 [PATCH 0/4] arm64: dts: ti: " Kendall Willis
2026-08-20 22:08 ` [PATCH 1/4] arm64: dts: ti: k3-am62-lp-sk: " Kendall Willis
2026-09-06 17:17   ` Kumar, Udit
2026-09-10 19:50     ` Kendall Willis [this message]
2026-08-20 22:08 ` [PATCH 2/4] arm64: dts: ti: k3-am62a7-sk: " Kendall Willis
2026-08-20 22:08 ` [PATCH 3/4] arm64: dts: ti: k3-am62p5-sk: " Kendall Willis
2026-08-20 22:08 ` [PATCH 4/4] arm64: dts: ti: k3-am62d2-evm: " Kendall Willis
2026-08-21 16:09 ` [PATCH 0/4] arm64: dts: ti: " Kendall Willis

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