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. Tested on Orange Pi 2G-IOT using a Buildroot environment. [1]: https://lore.kernel.org/all/[email protected]/ Signed-off-by: Dang Huynh <[email protected]> --- 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 <[email protected]>
