openkylin
/
linux
mirror of https://gitee.com/openkylin/linux.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity

doc: lpspi: Document DT bindings for LPSPI slave mode 

Add introductions of interrupt-parent and spi-slave.

Signed-off-by: Clark Wang <xiaoning.wang@nxp.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Clark Wang 2018-12-07 02:50:41 +00:00 committed by Mark Brown
parent cf86874bb9
commit 62f82df488
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt
View File

@ -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;
};