linux-kernel - Re: [PATCH] arm64: dts: rockchip: Delete the SoC variant dtsi for RK3399Pro

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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>