From 62f82df488ce16f7068c7285820b2b7f7dcd7597 Mon Sep 17 00:00:00 2001 From: Clark Wang Date: Fri, 7 Dec 2018 02:50:41 +0000 Subject: doc: lpspi: Document DT bindings for LPSPI slave mode Add introductions of interrupt-parent and spi-slave. Signed-off-by: Clark Wang Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt index 8d178a4503cf..6cc3c6fe25a3 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -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 = ; clocks = <&clks IMX7ULP_CLK_LPSPI2>; + spi-slave; }; -- cgit v1.2.3-59-g8ed1b