On 17/09/2025 22:25, Dang Huynh via B4 Relay wrote: > From: Dang Huynh <dang.hu...@mainlining.org> > > RDA Micro RDA8810PL includes an SD/MMC controller. This controller > supports SD/SDIO/MMC interface. > > Signed-off-by: Dang Huynh <dang.hu...@mainlining.org> > --- > MAINTAINERS | 6 + > drivers/mmc/host/Kconfig | 12 + > drivers/mmc/host/Makefile | 1 + > drivers/mmc/host/rda-mmc.c | 853 > +++++++++++++++++++++++++++++++++++++++++++++ > 4 files changed, 872 insertions(+) > > diff --git a/MAINTAINERS b/MAINTAINERS > index > 91be43782f4ba8aacb629002d357a66704f10b2b..33e04ce35dcc4cbadd715ec9199f2453237b8002 > 100644 > --- a/MAINTAINERS > +++ b/MAINTAINERS > @@ -21417,6 +21417,12 @@ S: Maintained > F: Documentation/devicetree/bindings/rtc/rda,8810pl-rtc.yaml > F: drivers/rtc/rtc-rda.c > > +RDA MICRO SECURE DIGITAL AND MULTIMEDIA CARD DRIVER > +M: Dang Huynh <dang.hu...@mainlining.org> > +S: Maintained > +F: Documentation/devicetree/bindings/mmc/rda,mmc.yaml > +F: drivers/mmc/host/rda-mmc.c > + > RDACM20 Camera Sensor > M: Jacopo Mondi <jacopo+rene...@jmondi.org> > M: Kieran Bingham <kieran.bingham+rene...@ideasonboard.com> > diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig > index > 4afa0130779d97ca9d1c0ed2102b0babdedcaeeb..352a6eb4e30793b7311c7877c238a7fe31121123 > 100644 > --- a/drivers/mmc/host/Kconfig > +++ b/drivers/mmc/host/Kconfig > @@ -1040,6 +1040,18 @@ config MMC_MTK > This is needed if support for any SD/SDIO/MMC devices is required. > If unsure, say N. > > +config MMC_RDA > + tristate "RDA Micro SD/MMC Card Interface support" > + depends on ARCH_RDA
Missing compile test > + depends on COMMON_CLK > + depends on HAS_DMA > + help > + This selects the RDA Micro Secure digital and Multimedia card > interface. The > + controller supports SD/SDIO/MMC interface. > + If you have a board with RDA SoC and it uses this interface, say Y or > M here. > + > + If unsure, say N. ... > +}; > +MODULE_DEVICE_TABLE(of, rda_mmc_dt_ids); > + > +static struct platform_driver rda_mmc_driver = { > + .probe = rda_mmc_probe, > + .remove = rda_mmc_remove, > + .driver = { > + .name = "rda-mmc", > + .probe_type = PROBE_PREFER_ASYNCHRONOUS, > + .of_match_table = rda_mmc_dt_ids, > + }, > +}; > +module_platform_driver(rda_mmc_driver); > + > +MODULE_AUTHOR("Dang Huynh <dang.hu...@mainlining.org>"); > +MODULE_LICENSE("GPL"); > +MODULE_DESCRIPTION("MMC/SD driver for RDA platform"); > +MODULE_ALIAS("platform:rda-mmc"); You should not need MODULE_ALIAS() in normal cases. If you need it, usually it means your device ID table is wrong (e.g. misses either entries or MODULE_DEVICE_TABLE()). MODULE_ALIAS() is not a substitute for incomplete ID table. > Best regards, Krzysztof