Re: [PATCH v6 00/12] mmc: mediatek: add support of mt2701/mt2712

From: Ulf Hansson
Date: Mon Oct 30 2017 - 07:40:04 EST


On 16 October 2017 at 03:46, Chaotian Jing <chaotian.jing@xxxxxxxxxxxx> wrote:
> This serial of patches are adding support of mt2701/mt2712.
> there are many changes and HW improvement between mt8173 and
> mt2701/mt2712, below is a list of these changes:
> 1. enlarge CLKDIV bits from 8 to 12
> 2. remove the PAD_TUNE register and add a new PAD_TUNE0 register
> 3. add data sync and async fifo feature
> 4. add busy_check feature
> 5. add stop_clk fix
> 6. add enhance_rx support
> 7. add a seperate CG of source clock
>
> mt2712 supports full of these features, mt2701 supports part of it, and
> add a "mediatek,latch-ck" to work-around as it do not support stop-clk fix.
>
> Note: As Pinctrl/CCF are not ready now, so that current patches do not
> include DTS part.
>
> Changed vs v5:
> based on Rob's comments, explain why MT8173 no longer compatible with
> driver that supports "mediatek,mt8135-mmc", add more clearly description
> of "mediatek,latch-ck".
>
> Changed vs v4:
> based on Julien's comment, change the "bool pad_tune0" to "u32 pad_tune_reg".
>
> Changed vs v3:
> based on Ulf's comments, make the bindings change to be the first patch.
>
> Changed vs v2:
> based on Matthias's comments, merge binding file changes to one patch,
> add "hs400_tune" flag in dev_comp.
>
> Changed vs v1:
> based on Ulf/Rob/Matthias's comments of DTS binding file, make the binding
> file clearly and fix probe issue.
>
>
> Chaotian Jing (12):
> mmc: dt-bindings: Add reg/source_cg/latch-ck for Mediatek MMC bindings
> mmc: mediatek: add support of mt2701/mt2712
> arm64: dts: mt8173: remove "mediatek,mt8135-mmc" from mmc nodes
> mmc: mediatek: make hs400_tune_response only for mt8173
> mmc: mediatek: add pad_tune0 support
> mmc: mediatek: add async fifo and data tune support
> mmc: mediatek: add busy_check support
> mmc: mediatek: add stop_clk fix and enhance_rx support
> mmc: mediatek: add support of source_cg clock
> mmc: mediatek: add latch-ck support
> mmc: mediatek: improve eMMC hs400 mode read performance
> mmc: mediatek: perfer to use rise edge latching for cmd line
>
> Documentation/devicetree/bindings/mmc/mtk-sd.txt | 18 +-
> arch/arm64/boot/dts/mediatek/mt8173.dtsi | 12 +-
> drivers/mmc/host/mtk-sd.c | 283 ++++++++++++++++++++---
> 3 files changed, 265 insertions(+), 48 deletions(-)
>

Thanks, applied the hole series on my next branch.

If Matthias wants to pick/ack the DT change (patch3), I either add his
ack or drop that patch from my tree.

Kind regards
Uffe