linux-kernel - [PATCH v3 0/5] arm64: tegra: Xavier SDMMC changes

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Message-Id: <20201014175627.5585-1-tszucs@protonmail.ch>
Date:   Wed, 14 Oct 2020 19:56:22 +0200
From:   Tamás Szűcs <tszucs@...tonmail.ch>
To:     Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        JC Kuo <jckuo@...dia.com>, Vidya Sagar <vidyas@...dia.com>,
        Sameer Pujar <spujar@...dia.com>, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Tamás Szűcs <tszucs@...tonmail.ch>
Subject: [PATCH v3 0/5] arm64: tegra: Xavier SDMMC changes

Upstream Xavier SDMMC needs some love. I've been able to test with a Jetson AGX Xavier.
Changes here work for me with 1.8 V and 3.3 V SD and SDIO devices.

Changes in v3:
- I started seeing ocasional eMMC init timeouts on cold starts when HS400 is enabled, so drop this until fix is found
- add missing vmmc-supply regulator for SDMMC1
- specify bus width and disable WP for SDMMC1
- specify primary clock source for SDMMC1 and SDMMC3

Changes in v2:
- fix board name in commit messages
- rebase on for-next

Kind regards,
Tamas


Tamás Szűcs (5):
  arm64: tegra: Enable signal voltage switching on Tegra194 SDMMC1 and
    SDMMC3
  arm64: tegra: Specify sdhci clock parent for Tegra194 SDMMC1 and
    SDMMC3
  arm64: tegra: Fix CD on Jetson AGX Xavier SDMMC1
  arm64: tegra: Add vmmc-supply regulator for Jetson AGX Xavier SDMMC1
  arm64: tegra: Configure SDIO cards on Jetson AGX Xavier SDMMC1

 .../arm64/boot/dts/nvidia/tegra194-p2888.dtsi | 18 ++++++-
 arch/arm64/boot/dts/nvidia/tegra194.dtsi      | 51 +++++++++++++++++++
 2 files changed, 68 insertions(+), 1 deletion(-)

-- 
2.20.1