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Add SD host controller support for SC9860 platform

From:  Baolin Wang <baolin.wang-AT-linaro.org>
To:  adrian.hunter-AT-intel.com, ulf.hansson-AT-linaro.org, zhang.lyra-AT-gmail.com, orsonzhai-AT-gmail.com, robh+dt-AT-kernel.org, mark.rutland-AT-arm.com, arnd-AT-arndb.de, olof-AT-lixom.net
Subject:  [PATCH v2 0/9] Add SD host controller support for SC9860 platform
Date:  Tue, 4 Jun 2019 16:14:20 +0800
Message-ID:  <cover.1559635435.git.baolin.wang@linaro.org>
Cc:  baolin.wang-AT-linaro.org, vincent.guittot-AT-linaro.org, arm-AT-kernel.org, linux-arm-kernel-AT-lists.infradead.org, linux-mmc-AT-vger.kernel.org, linux-kernel-AT-vger.kernel.org, devicetree-AT-vger.kernel.org
Archive-link:  Article

This patch set adds optional clock support, HS400 enhanced strobe mode support,
PHY DLL configuration and other optimization to make the SD host controller
can work well on the Spreadtrum SC9860 platform.

Changes from v1:
 - Add acked-tags from Adrian.
 - Fix one mistake by changing MMC_TIMING_MMC_HS to MMC_TIMING_SD_HS in patch 8.

Baolin Wang (9):
  mmc: sdhci-sprd: Check the enable clock's return value correctly
  dt-bindings: mmc: sprd: Add another optional clock documentation
  mmc: sdhci-sprd: Add optional gate clock support
  mmc: sdhci-sprd: Implement the get_max_timeout_count() interface
  mmc: sdhci-sprd: Add HS400 enhanced strobe mode
  mmc: sdhci-sprd: Enable PHY DLL to make clock stable
  dt-bindings: mmc: sprd: Add PHY DLL delay documentation
  mmc: sdhci-sprd: Add PHY DLL delay configuration
  arm64: dts: sprd: Add Spreadtrum SD host controller support

 .../devicetree/bindings/mmc/sdhci-sprd.txt         |   19 +++
 arch/arm64/boot/dts/sprd/whale2.dtsi               |   35 ++++
 drivers/mmc/host/sdhci-sprd.c                      |  171 +++++++++++++++++++-
 3 files changed, 217 insertions(+), 8 deletions(-)

-- 
1.7.9.5



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