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Unverified Commit 62f82df4 authored by Clark Wang's avatar Clark Wang Committed by Mark Brown
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doc: lpspi: Document DT bindings for LPSPI slave mode 



Add introductions of interrupt-parent and spi-slave.

Signed-off-by: default avatarClark Wang <xiaoning.wang@nxp.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cf86874b

Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt

+4 −0
Original line number Diff line number Diff line
@@ -5,8 +5,11 @@ Required properties: 
  - "fsl,imx7ulp-spi" for LPSPI compatible with the one integrated on i.MX7ULP soc

  - "fsl,imx8qxp-spi" for LPSPI compatible with the one integrated on i.MX8QXP soc

- reg : address and length of the lpspi master registers

- interrupt-parent : core interrupt controller

- interrupts : lpspi interrupt

- clocks : lpspi clock specifier

- spi-slave : spi slave mode support. In slave mode, add this attribute without

	      value. In master mode, remove it.



Examples:
@@ -16,4 +19,5 @@ lpspi2: lpspi@40290000 { 
	interrupt-parent = <&intc>;

	interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;

	clocks = <&clks IMX7ULP_CLK_LPSPI2>;

	spi-slave;

};