diff options
| author | Clark Wang <xiaoning.wang@nxp.com> | 2020-05-27 16:19:17 +0800 |
|---|---|---|
| committer | Clark Wang <xiaoning.wang@nxp.com> | 2020-05-27 18:15:37 +0800 |
| commit | f91e00912ed153231361b9f89be217192585a320 (patch) | |
| tree | f70571f8ec90f23249ac61e9e81f02200a0a3218 /Documentation/devicetree/bindings/spi | |
| parent | 883777aba5da12af241239aa72f2b81592a6281f (diff) | |
MLK-24176-3 doc: lpspi: New property in document DT bindings for LPSPI
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@nxp.com>
Reviewed-by: Fugang Duan <fugang.duan@nxp.com>
Diffstat (limited to 'Documentation/devicetree/bindings/spi')
| -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 e71b81a41ac0..bdb771abc2fd 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.txt @@ -14,6 +14,10 @@ Required properties: to fill the "ipg" blank. - spi-slave : spi slave mode support. In slave mode, add this attribute without value. In master mode, remove it. +- fsl,spi-only-use-cs1-sel : 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. Examples: |