From bc9ab1b7a6c687370b5d4edf34064bf04af8d369 Mon Sep 17 00:00:00 2001 From: Han Xu Date: Tue, 6 Dec 2022 16:54:10 -0600 Subject: [PATCH] spi: spi-fsl-lpspi: add num-cs binding for lpspi Add num-cs property to support multiple cs for lpspi. This property is optional. Signed-off-by: Han Xu Acked-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20221206225410.604482-2-han.xu@nxp.com Signed-off-by: Mark Brown --- Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml index 8b44284..94caa2b 100644 --- a/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml +++ b/Documentation/devicetree/bindings/spi/spi-fsl-lpspi.yaml @@ -56,6 +56,13 @@ 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 + required: - compatible - reg @@ -80,4 +87,5 @@ examples: clock-names = "per", "ipg"; spi-slave; fsl,spi-only-use-cs1-sel; + num-cs = <2>; }; -- 2.7.4