[PATCH 00/10] RDA8810PL SD/MMC support

[Dang Huynh]

On Mon, Sep 22, 2025 at 04:17:05PM +0200, Bartosz Golaszewski wrote:
> On Thu, Sep 18, 2025 at 8:49 PM Dang Huynh via B4 Relay
> <devnull+dang.huynh.mainlining.org at kernel.org> wrote:
> >
> > This patch series aims to add SDMMC driver and various drivers required
> > for SDMMC controller to function.
> >
> > This also fixed a bug where all the GPIO switched from INPUT to OUTPUT
> > after the GPIO driver probed or by reading the GPIO debugfs.
> >
> > This patch series is a split from [1] to ease the maintainers.
> >
> 
> This is still targeting at least 4 subsystems and isn't making the
> merging any easier. Are there any build-time dependencies here? If
> not, then split it further into small chunks targeting individual
> subsystems and the relevant ARM SoC tree.
The MMC driver depends on both the clock and the DMA driver.

> 
> Bartosz
> 
> > Tested on Orange Pi 2G-IOT using a Buildroot environment.
> >
> > [1]: https://lore.kernel.org/all/20250917-rda8810pl-drivers-v1-0-9ca9184ca977@mainlining.org/
> >
> > Signed-off-by: Dang Huynh <dang.huynh at mainlining.org>
> > ---
> > Dang Huynh (10):
> >       dt-bindings: gpio: rda: Make interrupts optional
> >       dt-bindings: clock: Add RDA Micro RDA8810PL clock/reset controller
> >       dt-bindings: dma: Add RDA IFC DMA
> >       dt-bindings: mmc: Add RDA SDMMC controller
> >       gpio: rda: Make IRQ optional
> >       gpio: rda: Make direction register unreadable
> >       clk: Add Clock and Reset Driver for RDA Micro RDA8810PL SoC
> >       dmaengine: Add RDA IFC driver
> >       mmc: host: Add RDA Micro SD/MMC driver
> >       ARM: dts: unisoc: rda8810pl: Add SDMMC controllers
> >
> >  .../bindings/clock/rda,8810pl-apsyscon.yaml        |  43 ++
> >  Documentation/devicetree/bindings/dma/rda,ifc.yaml |  45 ++
> >  .../devicetree/bindings/gpio/gpio-rda.yaml         |   3 -
> >  Documentation/devicetree/bindings/mmc/rda,mmc.yaml |  92 +++
> >  MAINTAINERS                                        |  18 +
> >  .../boot/dts/unisoc/rda8810pl-orangepi-2g-iot.dts  |  20 +
> >  .../arm/boot/dts/unisoc/rda8810pl-orangepi-i96.dts |  20 +
> >  arch/arm/boot/dts/unisoc/rda8810pl.dtsi            |  47 +-
> >  drivers/clk/Kconfig                                |   1 +
> >  drivers/clk/Makefile                               |   1 +
> >  drivers/clk/rda/Kconfig                            |  14 +
> >  drivers/clk/rda/Makefile                           |   2 +
> >  drivers/clk/rda/clk-rda8810.c                      | 769 +++++++++++++++++++
> >  drivers/dma/Kconfig                                |  10 +
> >  drivers/dma/Makefile                               |   1 +
> >  drivers/dma/rda-ifc.c                              | 450 +++++++++++
> >  drivers/gpio/gpio-rda.c                            |   4 +-
> >  drivers/mmc/host/Kconfig                           |  12 +
> >  drivers/mmc/host/Makefile                          |   1 +
> >  drivers/mmc/host/rda-mmc.c                         | 853 +++++++++++++++++++++
> >  include/dt-bindings/clock/rda,8810pl-apclk.h       |  70 ++
> >  include/dt-bindings/dma/rda-ifc.h                  |  28 +
> >  22 files changed, 2495 insertions(+), 9 deletions(-)
> > ---
> > base-commit: ae2d20002576d2893ecaff25db3d7ef9190ac0b6
> > change-id: 20250918-rda8810pl-mmc-3f33b83c313d
> >
> > Best regards,
> > --
> > Dang Huynh <dang.huynh at mainlining.org>
> >
> >