These patches to add support pdm for rk3328 socs.
Sugar Zhang (2): ASoC: rockchip: add support for pdm controller arm64: dts: rk3328: add pdm node
.../devicetree/bindings/sound/rockchip,pdm.txt | 39 ++ arch/arm64/boot/dts/rockchip/rk3328.dtsi | 55 +++ sound/soc/rockchip/Kconfig | 9 + sound/soc/rockchip/Makefile | 2 + sound/soc/rockchip/rockchip_pdm.c | 516 +++++++++++++++++++++ sound/soc/rockchip/rockchip_pdm.h | 83 ++++ 6 files changed, 704 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,pdm.txt create mode 100644 sound/soc/rockchip/rockchip_pdm.c create mode 100644 sound/soc/rockchip/rockchip_pdm.h