linux-kernel - Re: [PATCH] arm64: tegra: Fix PCIe regulator for Orin Jetson AGX

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Message-ID: <ZHDLK9G-GZVgweIr@orome>
Date:   Fri, 26 May 2023 17:07:23 +0200
From:   Thierry Reding <thierry.reding@...il.com>
To:     Jon Hunter <jonathanh@...dia.com>, Vidya Sagar <vidyas@...dia.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: tegra: Fix PCIe regulator for Orin Jetson AGX

On Fri, May 26, 2023 at 12:17:27PM +0100, Jon Hunter wrote:
> The PCIe slot on the Jetson Orin AGX is not working and PCIe cards
> are not detected. The regulator for the 3.3V regulator for the PCIe is
> using the wrong GPIO for turning on the regulator. Fix this by updating
> the 3.3V regulator to use the correct GPIO.
> 
> Signed-off-by: Jon Hunter <jonathanh@...dia.com>
> ---
>  arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks.

Vidya, any ideas on why this ended up being wrong? Was the original
based on an early version of the hardware, or is this something that we
need to parameterized per SKU?

Thierry

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