From: Aapo Vienamo <avienamo@nvidia.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
Adrian Hunter <adrian.hunter@intel.com>,
Mikko Perttunen <mperttunen@nvidia.com>
Cc: linux-mmc@vger.kernel.org, devicetree@vger.kernel.org,
linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org,
Aapo Vienamo <avienamo@nvidia.com>
Subject: [PATCH v2 00/10] Tegra SDHCI update the pad autocal procedure
Date: Thu, 26 Jul 2018 15:26:46 +0300 [thread overview]
Message-ID: <1532608016-14319-1-git-send-email-avienamo@nvidia.com> (raw)
Hi all,
Update the tegra_sdhci_pad_autocalib() pad drive strength calibration
procedure to match the ones specified in the TRMs of the more recent
SoCs. This was tested on Tegra186, Tegra210, and Tegra124, although it
should not break things older generations either.
This series depends on the "Tegra SDHCI enable 1.8 V signaling on
Tegar210 and Tegra186" series posted earlier.
Changelog:
v2:
- Rename the series
- Align the register macros
- Use readl_poll_timeout() in tegra_sdhci_pad_autocalib()
- Move SDHCI_TEGRA_PAD_E_INPUT_OR_E_PWRD define to correc patch
- Use !!(reg & SDHCI_CLOCK_CARD_EN) in
tegra_sdhci_configure_card_clk()
- Add "nvidia," prefix to pad drive strength offset dt props
- Read the drive strength properties as u32 instead of u8
- Disable autocalibration if it times out
Aapo Vienamo (10):
mmc: tegra: Poll for calibration completion
mmc: tegra: Set calibration pad voltage reference
mmc: tegra: Power on the calibration pad
mmc: tegra: Disable card clock during pad calibration
dt-bindings: Add Tegra SDHCI pad pdpu offset bindings
mmc: tegra: Program pad autocal offsets from dt
arm64: dts: tegra186: Add sdmmc pad auto calibration offsets
arm64: dts: tegra210: Add sdmmc pad auto calibration offsets
mmc: tegra: Perform pad calibration after voltage switch
mmc: tegra: Enable pad calibration on Tegra210 and Tegra186
.../bindings/mmc/nvidia,tegra20-sdhci.txt | 34 +++
arch/arm64/boot/dts/nvidia/tegra186.dtsi | 20 ++
arch/arm64/boot/dts/nvidia/tegra210.dtsi | 12 +
drivers/mmc/host/sdhci-tegra.c | 280 +++++++++++++++++++--
4 files changed, 319 insertions(+), 27 deletions(-)
--
2.7.4
next reply other threads:[~2018-07-26 12:26 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-26 12:26 Aapo Vienamo [this message]
2018-07-26 12:26 ` [PATCH v2 01/10] mmc: tegra: Poll for calibration completion Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 02/10] mmc: tegra: Set calibration pad voltage reference Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 03/10] mmc: tegra: Power on the calibration pad Aapo Vienamo
2018-07-31 9:41 ` Stefan Agner
2018-07-26 12:26 ` [PATCH v2 04/10] mmc: tegra: Disable card clock during pad calibration Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 05/10] dt-bindings: Add Tegra SDHCI pad pdpu offset bindings Aapo Vienamo
2018-07-30 23:31 ` Rob Herring
2018-07-26 12:26 ` [PATCH v2 06/10] mmc: tegra: Program pad autocal offsets from dt Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 07/10] arm64: dts: tegra186: Add sdmmc pad auto calibration offsets Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 08/10] arm64: dts: tegra210: " Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 09/10] mmc: tegra: Perform pad calibration after voltage switch Aapo Vienamo
2018-07-26 12:26 ` [PATCH v2 10/10] mmc: tegra: Enable pad calibration on Tegra210 and Tegra186 Aapo Vienamo
2018-07-30 15:07 ` [PATCH v2 00/10] Tegra SDHCI update the pad autocal procedure Ulf Hansson
2018-07-30 15:43 ` Aapo Vienamo
2018-07-31 9:33 ` Stefan Agner
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