linux-kernel - [PATCH v2 0/1] arm64: tegra: enable SDIO on Jetson Nano M.2 Key E

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Message-Id: <20191202215200.9656-1-tszucs@protonmail.ch>
Date:   Mon,  2 Dec 2019 22:51:59 +0100
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Sowjanya Komatineni <skomatineni@...dia.com>,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tamás Szűcs <tszucs@...tonmail.ch>
Subject: [PATCH v2 0/1] arm64: tegra: enable SDIO on Jetson Nano M.2 Key E

It turns out SDMMC3 on the Jetson Nano module is wired to respective pins of
the carrier's M.2 Key E socket. However, it is not enabled. I see no reason
why. This block is functional and has a fixed 1.8 V I/O supply. Perfect for
SDIO cards nowdays. I think it would make sense to enable this feature. PCIe
could be used for something else.

Kind regards,
Tamas


Tamás Szűcs (1):
  arm64: tegra: Enable SDIO on Jetson Nano M.2 Key E

 arch/arm64/boot/dts/nvidia/tegra210-p3450-0000.dts | 13 +++++++++++++
 1 file changed, 13 insertions(+)

-- 
2.20.1