linux-kernel - Re: [PATCH v4] arm64: dts: ti: k3-am65: Add support for UHS-I modes in MMCSD1 subsystem

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Message-ID: <162307821120.24886.4913823870361200714.b4-ty@ti.com>
Date:   Mon, 7 Jun 2021 10:03:43 -0500
From:   Nishanth Menon <nm@...com>
To:     Aswath Govindraju <a-govindraju@...com>
CC:     Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero Kristo <kristo@...nel.org>, Suman Anna <s-anna@...com>,
        Rob Herring <robh+dt@...nel.org>,
        Lokesh Vutla <lokeshvutla@...com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Kishon Vijay Abraham I <kishon@...com>,
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v4] arm64: dts: ti: k3-am65: Add support for UHS-I modes in MMCSD1 subsystem

On Sat, 29 May 2021 09:07:49 +0530, Aswath Govindraju wrote:
> UHS-I speed modes are supported in AM65 S.R. 2.0 SoC[1].
> 
> Add support by removing the no-1-8-v tag and including the voltage
> regulator device tree nodes for power cycling.
> 
> However, the 4 bit interface of AM65 SR 1.0 cannot be supported at 3.3 V or
> 1.8 V because of erratas i2025 and i2026 [2]. As the SD card is the primary
> boot mode for development usecases, continue to enable SD card and disable
> UHS-I modes in it to minimize any ageing issues happening because of
> erratas.
> 
> [...]

Hi Aswath Govindraju,

I have applied the following to branch ti-k3-dts-next on [1].
Thank you!

[1/1] arm64: dts: ti: k3-am65: Add support for UHS-I modes in MMCSD1 subsystem
      commit: 79b08ae7c411840ea5a9fba349025d217e700576

All being well this means that it will be integrated into the linux-next
tree (usually sometime in the next 24 hours) and sent up the chain during
the next merge window (or sooner if it is a relevant bug fix), however if
problems are discovered then the patch may be dropped or reverted.

You may get further e-mails resulting from automated or manual testing
and review of the tree, please engage with people reporting problems and
send followup patches addressing any issues that are reported if needed.

If any updates are required or you are submitting further changes they
should be sent as incremental updates against current git, existing
patches will not be replaced.

Please add any relevant lists and maintainers to the CCs when replying
to this mail.

[1] git://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux.git
-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D