[Patch v4 00/10] Add audio support for LPC32XX CPUs

Piotr Wojtaszczyk
2024-06-20T17:57:17Z

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 (10):
dt-bindings: dma: pl08x: Add dma-cells description
dt-bindings: dma: Add lpc32xx DMA mux binding
ASoC: dt-bindings: lpc32xx: Add lpc32xx i2s DT binding
ARM: dts: lpc32xx: Add missing dma and i2s properties
clk: lpc32xx: initialize regmap using parent syscon
dmaengine: Add dma router for pl08x in LPC32XX SoC
ARM: lpc32xx: Remove pl08x platform data in favor for device tree
mtd: rawnand: lpx32xx: Request DMA channels using DT entries
ASoC: fsl: Add i2s and pcm drivers for LPC32xx CPUs
i2x: pnx: Use threaded irq to fix warning from del_timer_sync()

.../devicetree/bindings/dma/arm-pl08x.yaml | 7 +
.../bindings/dma/nxp,lpc3220-dmamux.yaml | 56 +++
.../bindings/sound/nxp,lpc3220-i2s.yaml | 73 ++++
MAINTAINERS | 21 +
arch/arm/boot/dts/nxp/lpc/lpc32xx.dtsi | 53 ++-
arch/arm/mach-lpc32xx/phy3250.c | 54 ---
drivers/clk/Kconfig | 1 +
drivers/clk/nxp/clk-lpc32xx.c | 10 +-
drivers/dma/Kconfig | 9 +
drivers/dma/Makefile | 1 +
drivers/dma/lpc32xx-dmamux.c | 195 +++++++++
drivers/i2c/busses/i2c-pnx.c | 4 +-
drivers/mtd/nand/raw/lpc32xx_mlc.c | 10 +-
drivers/mtd/nand/raw/lpc32xx_slc.c | 10 +-
sound/soc/fsl/Kconfig | 7 +
sound/soc/fsl/Makefile | 2 +
sound/soc/fsl/lpc3xxx-i2s.c | 376 ++++++++++++++++++
sound/soc/fsl/lpc3xxx-i2s.h | 79 ++++
sound/soc/fsl/lpc3xxx-pcm.c | 73 ++++
19 files changed, 954 insertions(+), 87 deletions(-)
create mode 100644 Documentation/devicetree/bindings/dma/nxp,lpc3220-dmamux.yaml
create mode 100644 Documentation/devicetree/bindings/sound/nxp,lpc3220-i2s.yaml
create mode 100644 drivers/dma/lpc32xx-dmamux.c
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

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2.25.1