Add "fsl,spi-only-use-cs1-sel" to fit i.MX8DXL-EVK.
Spi common code does not support use of CS signals discontinuously.
It only uses CS1 without using CS0. So, add this property to re-config
chipselect value.
Signed-off-by: Clark Wang <xiaoning.wang@xxxxxxx>
---
Changes:
V2:
- New patch added in the v2 patchset.
---
Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
index 143b94a1883a..22882e769e26 100644
--- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
+++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml
@@ -34,6 +34,12 @@ properties:
- const: per
- const: ipg
+ fsl,spi-only-use-cs1-sel:
+ description:
+ spi common code does not support use of CS signals discontinuously.
+ i.MX8DXL-EVK board only uses CS1 without using CS0. Therefore, add
+ this property to re-config the chipselect value in the LPSPI driver.
+
required:
- compatible
- reg
@@ -57,4 +63,5 @@ examples:
<&clks IMX7ULP_CLK_DUMMY>;
clock-names = "per", "ipg";
spi-slave;
+ fsl,spi-only-use-cs1-sel;
};
--
2.17.1
