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Message-Id: <171951643516.1057727.11647703095785160366.b4-ty@sntech.de>
Date: Thu, 27 Jun 2024 21:27:27 +0200
From: Heiko Stuebner <heiko@...ech.de>
To: linux-rockchip@...ts.infradead.org,
Dragan Simic <dsimic@...jaro.org>
Cc: Heiko Stuebner <heiko@...ech.de>,
krzk+dt@...nel.org,
conor+dt@...nel.org,
linux-kernel@...r.kernel.org,
robh+dt@...nel.org,
devicetree@...r.kernel.org,
alchark@...il.com,
linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: rockchip: Delete the SoC variant dtsi for RK3399Pro
On Sun, 2 Jun 2024 08:25:38 +0200, Dragan Simic wrote:
> The commit 587b4ee24fc7 ("arm64: dts: rockchip: add core dtsi file for
> RK3399Pro SoCs") describes the RK3399Pro's PCI Express interface as the way
> built-in NPU communicates with the rest of the SoC. All available evidence
> shows this not to be accurate, as described in detail below. Moreover, the
> rk3399pro.dtsi isn't used anywhere, so let's delete it.
>
> The publicly available schematics of the Radxa Rock Pi N10 carrier board [1]
> and the Vamrs VMARC RK3399Pro SoM, [2] which put together form the currently
> single supported RK3399Pro-based board, clearly show that the PCI Express x4
> interface of this SoC is fully functional and actually not used by the SoC
> to communicate with the built-in NPU. In more detail, the VMARC SoM exports
> the SoC's PCI Express interface at its board-to-board connector, and the Rock
> Pi N10 routes it to an M.2 M-key slot with four PCI Express lanes.
>
> [...]
Applied, thanks!
[1/1] arm64: dts: rockchip: Delete the SoC variant dtsi for RK3399Pro
commit: 40113edfe63310ad529700fca24f2ebd49ae09ea
Best regards,
--
Heiko Stuebner <heiko@...ech.de>
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