[PATCH v4 0/7] Fixes and improvements for SDHCI on Armada 38x

[Gregory CLEMENT]

On 29/01/2015 12:36, Gregory CLEMENT wrote:
> Hi,
> 
> this series brings fixes and improvements for the SDHCI controller of
> the Armada 38x SoCs.
> 
> The changes for this forth version was done on the 1st and 4th
> patches, see the changelog for the details.
> 
> The first two patches are fixes and should be also applied on the
> stable branch (I added stable in copy for this).
> 
> The first one removes the SDR50 and DDR50 mode timing from the
> capabilities of the controller because the current implementation
> doesn't support it.
> 
> The second one fix controller's caps according to the limitation of
> the hardware.
> 
> The third one extends the Device Tree binding of the Armada 38x. It
> allows using the SDIO3 configuration register.
> 
> The forth patch adds the support of this new register in the
> driver. Thanks to this one, specific clock adjustments can be done in
> order to support the SDR50 and DDR50 modes timing.
> 
> The fifth patch is device tree clean-up.
> 
> The sixth patch update the SDHCI node on Armada 38x in order to use
> the new register and then to be able to support the SDR50 and DDR50
> modes timing.
> 
> Finally, the seventh patch add the description of SDHCI for the Armada
> 388 RD board which was missing.
> 
> Patches 1 to 4 should be merged through the mmc tree and patches 5 to
> 7 should be merged through mvebu and then arm-soc.
> 
> Patch 4 depend on patch 2.
> Patch 2 depend on patch 1.
> And patch 1 depend on commit aa8165f91442 "mmc: sdhci-pxav3: do the
> mbus window configuration after enabling clocks" which have been
> merged.
> 
> But as all this patch should be merged through the same tree it would
> not be a problem
> 
> The patches 5 to 7 depend on the patches already merged in mvebu.
> 
> As they are fixes, patches 1 and 2 should be merged in 3.18-rc or at
> least in 3.19 and then they will be part of 3.18.1. For the other
> patches it would be nice if they could be part of 3.19.
> 

Patches 5 to 7 have been applied on mvebu/dt.

> Thanks,
> 
> Gregory
> 
> Changelog:
> 
> v3 -> v4:
> - Merge the 3 dev_wanr message in a single one
> - Remove err_quirks label
> 
> v2 -> v3:
> - Use of_property_read_bool() instead of of_get_property
> - Brace the else case according to the Documentation/CodingStyle
> - Move the setting of MMC_CAP_1_8V_DDR before the armada_38x_quirks
>   calls
> 
> v1 -> v2:
> - Put back Marcin as author of patch 2 and 3
> - Removed MMC_CAP_1_8V_DDR in the probe function
> 
> Gregory CLEMENT (5):
>   mmc: sdhci-pxav3: Fix SDR50 and DDR50 capabilities for the Armada 38x
>     flavor
>   mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada
>     38x
>   ARM: mvebu: Use macros for interrupt flags on Armada 38x sdhci node
>   ARM: mvebu: Update the SDHCI node on Armada 38x
>   ARM: mvebu: Add Device Tree description of SDHCI for Armada 388 RD
> 
> 
> Gregory CLEMENT (5):
>   mmc: sdhci-pxav3: Fix SDR50 and DDR50 capabilities for the Armada 38x
>     flavor
>   mmc: sdhci-pxav3: Extend binding with SDIO3 conf reg for the Armada
>     38x
>   ARM: mvebu: Use macros for interrupt flags on Armada 38x sdhci node
>   ARM: mvebu: Update the SDHCI node on Armada 38x
>   ARM: mvebu: Add Device Tree description of SDHCI for Armada 388 RD
> 
> Marcin Wojtas (2):
>   mmc: sdhci-pxav3: Fix Armada 38x controller's caps according to
>     erratum ERR-7878951
>   mmc: sdhci-pxav3: Modify clock settings for the SDR50 and DDR50 modes
> 
>  .../devicetree/bindings/mmc/sdhci-pxa.txt          | 15 ++--
>  arch/arm/boot/dts/armada-388-rd.dts                | 10 +++
>  arch/arm/boot/dts/armada-38x.dtsi                  |  7 +-
>  drivers/mmc/host/sdhci-pxav3.c                     | 83 +++++++++++++++++++++-
>  4 files changed, 106 insertions(+), 9 deletions(-)
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com