[PATCH v5 0/8] mmc: sdhci-of-dwcmshc: Add Sophgo SG2042 support

[Drew Fustini]

On Fri, Jul 19, 2024 at 04:44:38PM +0800, Chen Wang wrote:
> From: Chen Wang <unicorn_wang at outlook.com>
> 
> This patchset is composed of two parts:
> - one is the improvement of the sdhci-of-dwcmshc framework,
> - the other is the support for sg2042 based on the improvement of the
>   framework.
> The reason for merging the two parts into one patchset is mainly to
> facilitate review, especially to facilitate viewing why we need to
> improve the framework and what benefits it will bring to us.
> 
> When I tried to add a new soc(SG2042) to sdhci-of-dwcmshc, I found
> that the existing driver code could be optimized to facilitate expansion
> for the new soc. Patch 1 ~ Patch 5 is for this.
> 
> Patch 6 ~ 7 are adding support for the mmc controller for Sophgo SG2042.
> Adding corresponding new compatible strings, and implement
> custom callbacks for SG2042 based on new framework.
> 
> Patch 8 is the change for DTS.
> 
> By the way, although I believe this patch only optimizes the framework
> of the code and does not change the specific logic, simple verification
> is certainly better. Since I don't have rk35xx/th1520 related hardware,
> it would be greatly appreciated if someone could help verify it.
> Note, the DTS change has dependency on clock changes for SG2042, which
> has not been merged in master/upstream, so if you want to test this
> new sdhci-of-dwcmshc driver for other hardware except SG2042, don't
> pick patch 8.

I have tested this on the LicheePi 4a and found no issues.

Tested-by: Drew Fustini <drew at pdp7.com> # TH1520

-Drew