linux-kernel - Re: [PATCH 4/4] arm64: dts: microchip: add LAN969x support

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Message-ID: <20251208-deprecate-privatize-c8ab771091b7@spud>
Date: Mon, 8 Dec 2025 17:15:50 +0000
From: Conor Dooley <conor@...nel.org>
To: Robert Marko <robert.marko@...tura.hr>
Cc: robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org,
	gregkh@...uxfoundation.org, nicolas.ferre@...rochip.com,
	claudiu.beznea@...on.dev, mturquette@...libre.com, sboyd@...nel.org,
	richardcochran@...il.com, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, linux-clk@...r.kernel.org,
	daniel.machon@...rochip.com, UNGLinuxDriver@...rochip.com,
	luka.perkov@...tura.hr
Subject: Re: [PATCH 4/4] arm64: dts: microchip: add LAN969x support

On Wed, Dec 03, 2025 at 01:21:32PM +0100, Robert Marko wrote:
> Add support for Microchip LAN969x switch SoC, including the EV23X71A
> EVB board.
> 
> Signed-off-by: Robert Marko <robert.marko@...tura.hr>
> ---
>  arch/arm64/boot/dts/microchip/Makefile        |   2 +
>  .../boot/dts/microchip/lan9696-ev23x71a.dts   | 761 ++++++++++++++++++
>  arch/arm64/boot/dts/microchip/lan969x.dtsi    | 482 +++++++++++
>  3 files changed, 1245 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/microchip/lan9696-ev23x71a.dts
>  create mode 100644 arch/arm64/boot/dts/microchip/lan969x.dtsi
> 
> diff --git a/arch/arm64/boot/dts/microchip/Makefile b/arch/arm64/boot/dts/microchip/Makefile
> index c6e0313eea0f..d02ac50aae79 100644
> --- a/arch/arm64/boot/dts/microchip/Makefile
> +++ b/arch/arm64/boot/dts/microchip/Makefile
> @@ -2,3 +2,5 @@
>  dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb125.dtb
>  dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb134.dtb sparx5_pcb134_emmc.dtb
>  dtb-$(CONFIG_ARCH_SPARX5) += sparx5_pcb135.dtb sparx5_pcb135_emmc.dtb
> +

> +dtb-$(CONFIG_ARCH_LAN969X) += lan9696-ev23x71a.dtb

ngl, I wonder why this config even exists, it's not meaningfully different
to ARCH_SPARX5.

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