Unverified Commit 8672e4b5 authored by Vladimir Zapolskiy's avatar Vladimir Zapolskiy Committed by Mark Brown
Browse files

spi: dt-bindings: nxp,lpc3220-spi: Add DMA specific properties 



NXP LPC32xx SPI controllers supports DMA operations over rx-tx channel,
which is muxed with SSP SPI controller DMA.

For additional reference see Table 69 in NXP LPC32xx User Manual.

Signed-off-by: default avatarVladimir Zapolskiy <vz@mleia.com>
Link: https://patch.msgid.link/20260109075032.3287109-1-vz@mleia.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent b6376dbe

Documentation/devicetree/bindings/spi/nxp,lpc3220-spi.yaml

+8 −0
Original line number Diff line number Diff line
@@ -20,6 +20,12 @@ properties: 
  clocks:

    maxItems: 1



  dmas:

    maxItems: 1



  dma-names:

    const: rx-tx



allOf:

  - $ref: spi-controller.yaml#
@@ -38,6 +44,8 @@ examples: 
        compatible = "nxp,lpc3220-spi";

        reg = <0x20088000 0x1000>;

        clocks = <&clk LPC32XX_CLK_SPI1>;

        dmas = <&dmamux 11 1 0>;

        dma-names = "rx-tx";

        #address-cells = <1>;

        #size-cells = <0>;

    };