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[V2,4/4] doc: lpspi: Document DT bindings for LPSPI slave mode

Message ID 20181130042753.28756-5-xiaoning.wang@nxp.com (mailing list archive)
State Superseded
Headers show
Series spi: lpspi: Add Slave Mode support for LPSPI | expand

Commit Message

Clark Wang Nov. 30, 2018, 4:29 a.m. UTC 
Remove "fsl,imx8qxp-spi", it does not exist in spi-fsl-lpspi.c driver
for now.

Add introductions of interrupt-parent and spi-slave.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
---
 Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)
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Patch

diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
index 8d178a4503cf..9e44d85e0a68 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
@@ -3,10 +3,12 @@ 
 Required properties:
 - compatible :
   - "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 +18,5 @@  lpspi2: lpspi@40290000 {
 	interrupt-parent = <&intc>;
 	interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
 	clocks = <&clks IMX7ULP_CLK_LPSPI2>;
+	spi-slave;
 };