diff options
Diffstat (limited to 'dts/Bindings/spi/spi-fsl-lpspi.yaml')
| -rw-r--r-- | dts/Bindings/spi/spi-fsl-lpspi.yaml | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/dts/Bindings/spi/spi-fsl-lpspi.yaml b/dts/Bindings/spi/spi-fsl-lpspi.yaml index 1d46877fe4..727c5346b8 100644 --- a/dts/Bindings/spi/spi-fsl-lpspi.yaml +++ b/dts/Bindings/spi/spi-fsl-lpspi.yaml @@ -10,7 +10,7 @@ maintainers: - Anson Huang <Anson.Huang@nxp.com> allOf: - - $ref: "/schemas/spi/spi-controller.yaml#" + - $ref: /schemas/spi/spi-controller.yaml# properties: compatible: @@ -19,7 +19,9 @@ properties: - fsl,imx7ulp-spi - fsl,imx8qxp-spi - items: - - const: fsl,imx8ulp-spi + - enum: + - fsl,imx8ulp-spi + - fsl,imx93-spi - const: fsl,imx7ulp-spi reg: maxItems: 1 @@ -37,6 +39,16 @@ properties: - const: per - const: ipg + dmas: + items: + - description: TX DMA Channel + - description: RX DMA Channel + + dma-names: + items: + - const: tx + - const: rx + fsl,spi-only-use-cs1-sel: description: spi common code does not support use of CS signals discontinuously. @@ -44,6 +56,16 @@ properties: this property to re-config the chipselect value in the LPSPI driver. type: boolean + num-cs: + description: + number of chip selects. + minimum: 1 + maximum: 2 + default: 1 + + power-domains: + maxItems: 1 + required: - compatible - reg @@ -68,4 +90,5 @@ examples: clock-names = "per", "ipg"; spi-slave; fsl,spi-only-use-cs1-sel; + num-cs = <2>; }; |