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| author | Xiaoning Wang <xiaoning.wang@nxp.com> | 2018-09-14 10:32:41 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:34:00 +0800 |
| commit | 87718eaf3069863812d1307e96d91897784ac7f3 (patch) | |
| tree | 97d4fc1abb42b5eef845a6ee18d476aef0b39b3d /Documentation | |
| parent | a94075eacd613a9903889d25bc02b8a3dc672d39 (diff) | |
MLK-19452-3 ARM: dts: Add spi slave support for imx7ulp
Add "spi-slave" attribute for recognizing slave mode.
If it is not in slave mode, please delete this attribute.
Usage can be found at spi-fsl-lpspi.txt.
Modify "Makefile" to build "imx7ulp-evk-spi-slave.dtb".
Signed-off-by: Xiaoning Wang <xiaoning.wang@nxp.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt index 225ace1d0c65..9e44d85e0a68 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -7,6 +7,8 @@ Required properties: - 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; }; |