Re: [PATCH v3 00/14] Add MMCI support for STM32F SoCs family

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Hi Patrice,


On 01/18/2018 03:34 PM, patrice.chotard@xxxxxx wrote:
From: Patrice Chotard <patrice.chotard@xxxxxx>

This series reworks patches submitted one year ago by Andrea Merello [1]
but without succeed to merged it.

STM32F4 and STM32F7 SoCs families embeds a variant of the ARM PrimeCell
PL18x SD host controller, for which the mmci driver exists.
This series adds support for these SoCs to the mmci driver.

As other variants, this one need some specific quirks, that this
series address.

This series has been tested on following boards :
	_ stm32f429-eval
	_ stm32f469-disco
	_ stm32f746-eval
	_ stm32f769-disco

DT update for stm32f7 pinctrl, stm32f746-eval and stm32f769-disco boards
will be sent later to avoid conflict with pending stm32f7 series [1] which
is not yet merged on kernel mainline.

[1] https://www.spinics.net/lists/linux-mmc/msg41616.html
[2] https://patchwork.kernel.org/patch/10104447/

v3: _ patch 3: use variant->opendrain instead of host->variant->opendrain
     _ patch 4: exit from probe() if no pinctrl dt node are found
     _ previous patch 15: removed as already applied in pinctrl tree

v2: _ add Revievied-by, Acked-by in some patches
     _ replace bool by u32 for start_err and opendrain fields of struct variant_data
     _ split previous patch 3 in two parts, first patch clean the open drain bit code
       and second part add pinctrl pins management when no open drain bit is available.
     _ replace "pl180" by "PL180" in patch "mmc: mmci: Add STM32 variant"

Andrea Merello (2):
   ARM: dts: stm32: Add pin map for SDIO controller on stm32f4
   ARM: dts: stm32: Enable SDIO controller on stm32f469 disco board

Looks good for STM32 machine part (DT/configs/mach-stm32). I will apply them in my next pull request.

Thanks.

Alex


Patrice Chotard (12):
   mmc: mmci: Don't pretend all variants to have MMCIMASK1 register
   mmc: mmci: Don't pretend all variants to have MCI_STARBITERR flag
   mmc: mmci: Don't pretend all variants to have OPENDRAIN bit
   mmc: mmci: Add support for setting pad type via pinctrl
   mmc: mmci: Add STM32 variant
   ARM: dts: stm32: Add SDIO controller for stm32f746
   ARM: dts: stm32: Add SDIO controller for stm32f429
   ARM: dts: stm32: Enable SDIO controller on stm32429i-eval board
   ARM: stm32: Add AMBA support for STM32F4 and STM32F7 SoCs
   ARM: configs: stm32: Enable MMC_ARMMMCI support
   ARM: configs: stm32: Enable EXT3_FS support
   clk: stm32: Add clk entry for SDMMC2 on stm32F769

  arch/arm/boot/dts/stm32429i-eval.dts   |  19 +++++
  arch/arm/boot/dts/stm32f4-pinctrl.dtsi |  31 +++++++++
  arch/arm/boot/dts/stm32f429.dtsi       |  11 +++
  arch/arm/boot/dts/stm32f469-disco.dts  |  19 +++++
  arch/arm/boot/dts/stm32f746.dtsi       |  22 ++++++
  arch/arm/configs/stm32_defconfig       |   3 +
  arch/arm/mach-stm32/Kconfig            |   3 +
  drivers/clk/clk-stm32f4.c              |   3 +-
  drivers/mmc/host/mmci.c                | 124 ++++++++++++++++++++++++++++-----
  drivers/mmc/host/mmci.h                |   6 ++
  10 files changed, 224 insertions(+), 17 deletions(-)

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