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

Message

Piotr Wojtaszczyk June 20, 2024, 5:56 p.m. UTC

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