[PATCH 00/25] RDA8810PL Clock, RTC and MMC driver

[Alexandre Belloni]

Hello,

On 17/09/2025 03:07:17+0700, Dang Huynh wrote:
> This patch series aims to add support for Clock/Reset, Real-Time Clock and
> SDMMC on the RDA Micro RDA8810PL platform.
> 

What are the dependencies between the various drivers? Ho< do you expect
the patches to be merged?

If the RTC patches are independent, please send them separately.

> It also adds Intelligent Flow Controller (IOW, a DMA controller) which is
> important for working with this MMC IP.
> 
> Tested on the Orange Pi 2G-IOT.
> 
> Signed-off-by: Dang Huynh <dang.huynh at mainlining.org>
> ---
> Dang Huynh (25):
>       ARM: dts: unisoc: rda8810pl: Add label to GPIO nodes
>       drivers: gpio: rda: Make IRQ optional
>       dt-bindings: gpio: rda: Make interrupts optional
>       rtc: Add timestamp for the end of 2127
>       dt-bindings: rtc: Add RDA Micro RDA8810PL RTC
>       rtc: Add driver for RDA Micro SoC
>       ARM: dts: unisoc: rda8810pl: Enable Real-Time Clock
>       ARM: dts: unisoc: rda8810pl: Enable ARM PMU
>       dt-bindings: clock: Add RDA Micro RDA8810PL clock/reset controller
>       drivers: clk: Add Clock and Reset Driver for RDA Micro RDA8810PL SoC
>       dts: unisoc: rda8810pl: Enable clock/reset driver
>       dts: unisoc: rda8810pl: Add OPP for CPU and define L2 cache
>       dts: unisoc: orangepi: Disable UART with no users
>       dt-bindings: power: reset: Add RDA Micro Modem Reset
>       power: reset: Add basic power reset driver for RDA8810PL
>       dts: unisoc: rda8810pl: Enable modem reset
>       drivers: gpio: rda: Make direction register unreadable
>       dt-bindings: dma: Add RDA IFC DMA
>       dmaengine: Add RDA IFC driver
>       dts: unisoc: rda8810pl: Enable IFC
>       dt-bindings: mmc: Add RDA SDMMC controller
>       mmc: host: Add RDA Micro SD/MMC driver
>       dts: unisoc: rda8810pl: Add SDMMC controllers
>       dts: unisoc: orangepi-2g: Enable SD Card
>       dts: unisoc: orangepi-i96: Enable SD Card
> 
>  .../bindings/clock/rda,8810pl-apsyscon.yaml        |  44 ++
>  Documentation/devicetree/bindings/dma/rda,ifc.yaml |  42 +
>  .../devicetree/bindings/gpio/gpio-rda.yaml         |   3 -
>  Documentation/devicetree/bindings/mmc/rda,mmc.yaml |  91 +++
>  .../bindings/power/reset/rda,md-reset.yaml         |  36 +
>  .../devicetree/bindings/rtc/rda,8810pl-rtc.yaml    |  30 +
>  MAINTAINERS                                        |  30 +
>  .../boot/dts/unisoc/rda8810pl-orangepi-2g-iot.dts  |  24 +-
>  .../arm/boot/dts/unisoc/rda8810pl-orangepi-i96.dts |  24 +-
>  arch/arm/boot/dts/unisoc/rda8810pl.dtsi            | 115 ++-
>  drivers/clk/Kconfig                                |   1 +
>  drivers/clk/Makefile                               |   1 +
>  drivers/clk/rda/Kconfig                            |  14 +
>  drivers/clk/rda/Makefile                           |   2 +
>  drivers/clk/rda/clk-rda8810.c                      | 770 +++++++++++++++++++
>  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 +++++++++++++++++++++
>  drivers/power/reset/Kconfig                        |   9 +
>  drivers/power/reset/Makefile                       |   1 +
>  drivers/power/reset/rda-reboot.c                   |  58 ++
>  drivers/rtc/Kconfig                                |  11 +
>  drivers/rtc/Makefile                               |   1 +
>  drivers/rtc/rtc-rda.c                              | 356 +++++++++
>  include/dt-bindings/clock/rda,8810pl-apclk.h       |  79 ++
>  include/dt-bindings/dma/rda-ifc.h                  |  28 +
>  include/linux/rtc.h                                |   1 +
>  31 files changed, 3079 insertions(+), 23 deletions(-)
> ---
> base-commit: 590b221ed4256fd6c34d3dea77aa5bd6e741bbc1
> change-id: 20250916-rda8810pl-drivers-9a5271452635
> 
> Best regards,
> -- 
> Dang Huynh <dang.huynh at mainlining.org>

-- 
Alexandre Belloni, co-owner and COO, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com