[PATCH 00/10] RDA8810PL SD/MMC support

[Bartosz Golaszewski]

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.

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>
>
>