This pach set is to bring back audio to machines with a LPC32XX CPU. The legacy LPC32XX SoC used to have audio spport in linux 2.6.27. The support was dropped due to lack of interest from mainaeners.
Piotr Wojtaszczyk (4): ASoC: dt-bindings: lpc32xx: Add lpc32xx i2s DT binding ARM: dts: lpc32xx: Add missing properties for the i2s interfaces ARM: lpc32xx: Add pl08x virtual dma channels for spi and i2s ASoC: fsl: Add i2s and pcm drivers for LPC32xx CPUs
.../bindings/sound/nxp,lpc3220-i2s.yaml | 69 +++ MAINTAINERS | 8 + arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi | 8 + arch/arm/mach-lpc32xx/phy3250.c | 111 ++++- sound/soc/fsl/Kconfig | 7 + sound/soc/fsl/Makefile | 2 + sound/soc/fsl/lpc3xxx-i2s.c | 393 ++++++++++++++++++ sound/soc/fsl/lpc3xxx-i2s.h | 79 ++++ sound/soc/fsl/lpc3xxx-pcm.c | 74 ++++ 9 files changed, 750 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml create mode 100644 sound/soc/fsl/lpc3xxx-i2s.c create mode 100644 sound/soc/fsl/lpc3xxx-i2s.h create mode 100644 sound/soc/fsl/lpc3xxx-pcm.c