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| author | Clark Wang <xiaoning.wang@nxp.com> | 2018-12-07 03:50:41 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-12-13 12:57:41 +0100 |
| commit | 62f82df488ce16f7068c7285820b2b7f7dcd7597 (patch) | |
| tree | aec0082426fb4b3cb17d3d9a2d582ff1f23f7f68 /Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | |
| parent | spi: lpspi: Let watermark change with send data length (diff) | |
| download | linux-62f82df488ce16f7068c7285820b2b7f7dcd7597.tar.xz linux-62f82df488ce16f7068c7285820b2b7f7dcd7597.zip | |
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>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 4 |
1 files changed, 4 insertions, 0 deletions
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 = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>; clocks = <&clks IMX7ULP_CLK_LPSPI2>; + spi-slave; }; |