From: "Pali Rohár" <pali@kernel.org>
To: Robert Marko <robert.marko@sartura.hr>
Cc: andrew@lunn.ch, gregory.clement@bootlin.com,
sebastian.hesselbarth@gmail.com, robh+dt@kernel.org,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: marvell: espressobin-ultra: enable UART output by default
Date: Tue, 28 Sep 2021 17:13:48 +0200 [thread overview]
Message-ID: <20210928151348.cqgy6uuxs3owxaug@pali> (raw)
In-Reply-To: <20210927154159.2168500-1-robert.marko@sartura.hr>
On Monday 27 September 2021 17:41:56 Robert Marko wrote:
> Since Espressobin Ultra board has a microUSB port
> with the onboard USB to UART connected to it to be
> used as a debug UART it makes no sense to require
> the bootloader to pass console args to the kernel in
> order to get console working.
>
> So, use the "stdout-path" property to enable the UART
> output on the microUSB port by default.
>
> Signed-off-by: Robert Marko <robert.marko@sartura.hr>
> ---
> arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
> index c5eb3604dd5b..c1770ceff3c1 100644
> --- a/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
> +++ b/arch/arm64/boot/dts/marvell/armada-3720-espressobin-ultra.dts
> @@ -15,6 +15,10 @@ / {
> compatible = "globalscale,espressobin-ultra", "marvell,armada3720",
> "marvell,armada3710";
>
> + chosen {
> + stdout-path = "serial0:115200n8";
> + };
> +
This code is duplication of common espressobin code from
armada-3720-espressobin.dtsi file:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/marvell/armada-3720-espressobin.dtsi
> aliases {
> /* ethernet1 is WAN port */
> ethernet1 = &switch0port5;
> --
> 2.31.1
>
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next prev parent reply other threads:[~2021-09-28 15:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-09-27 15:41 [PATCH 1/4] arm64: dts: marvell: espressobin-ultra: enable UART output by default Robert Marko
2021-09-27 15:41 ` [PATCH 2/4] arm64: dts: marvell: espressobin-ultra: fix SPI-NOR config Robert Marko
2021-09-27 15:41 ` [PATCH 3/4] arm64: dts: marvell: espressobin-ultra: add PHY and switch reset pins Robert Marko
2021-09-27 16:38 ` Andrew Lunn
2021-09-28 15:32 ` Pali Rohár
2021-09-28 16:02 ` Robert Marko
2022-09-24 12:03 ` Pali Rohár
2021-09-27 15:41 ` [PATCH 4/4] arm64: dts: marvell: espressobin-ultra: enable front USB3 port Robert Marko
2021-09-28 15:37 ` Pali Rohár
2021-09-28 16:02 ` Robert Marko
2021-09-27 16:37 ` [PATCH 1/4] arm64: dts: marvell: espressobin-ultra: enable UART output by default Andrew Lunn
2021-09-28 15:13 ` Pali Rohár [this message]
2021-09-28 15:49 ` Robert Marko
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