The i.MX6SL supports standard tuning as defined in standard host control spec v3.0.
So this patch series add std tuning support for i.MX6SL.
(NOTE i.MX6SL can also work on the old manual tuning mode as i.MX6Q/DL)
In the meanwhile, it also adds DDR mode support.
Then SD3.0 cards which can only support DDR50 can work properly now
with this patch series.
Patch 1~5 add stardard tuning support for i.MX6SL.
Patch 6~7 add DDR mode and delay line support
Patch 8~10 some other related minor fixes.
Tested on i.MX6SL EVK board.
The patch series is generated based on the latest mmc-next branch in Chris' tree.
Dong Aisheng (10):
ARM: dts: imx6sl: add pinctrl uhs states for usdhc
mmc: sdhci-esdhc-imx: add std tuning support for mx6sl
ARM: dts: imx6sl: change usdhc compatible with imx6sl only
mmc: sdhci-esdhc-imx: fix reading cap_1 register value for mx6sl
mmc: sdhci: report error once the maximum tuning loops exhausted or
timeout
mmc: sdhci-esdhc-imx: add DDR mode support for mx6
mmc: sdhci-esdhc-imx: add delay line setting support
mmc: sdhci-esdhc-imx: enable SDR50 tuning for imx6q/dl
mmc: sdhci-esdhc-imx: add preset value quirk for mx6
mmc: sdhci: remove unneeded call when have preset value quirk
.../devicetree/bindings/mmc/fsl-imx-esdhc.txt | 1 +
arch/arm/boot/dts/imx6sl-evk.dts | 12 ++-
arch/arm/boot/dts/imx6sl.dtsi | 85 +++++++++++-
drivers/mmc/host/sdhci-esdhc-imx.c | 145 ++++++++++++++++----
drivers/mmc/host/sdhci.c | 4 +-
include/linux/platform_data/mmc-esdhc-imx.h | 1 +
6 files changed, 213 insertions(+), 35 deletions(-)
--
1.7.2.rc3
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