spi-fsl-lpspi.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/spi/spi-fsl-lpspi.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale Low Power SPI (LPSPI) for i.MX
    8 
    9 maintainers:
   10   - Anson Huang <Anson.Huang@nxp.com>
   11 
   12 allOf:
   13   - $ref: "/schemas/spi/spi-controller.yaml#"
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - enum:
   19           - fsl,imx7ulp-spi
   20           - fsl,imx8qxp-spi
   21       - items:
   22           - const: fsl,imx8ulp-spi
   23           - const: fsl,imx7ulp-spi
   24   reg:
   25     maxItems: 1
   26 
   27   interrupts:
   28     maxItems: 1
   29 
   30   clocks:
   31     items:
   32       - description: SoC SPI per clock
   33       - description: SoC SPI ipg clock
   34 
   35   clock-names:
   36     items:
   37       - const: per
   38       - const: ipg
   39 
   40   fsl,spi-only-use-cs1-sel:
   41     description:
   42       spi common code does not support use of CS signals discontinuously.
   43       i.MX8DXL-EVK board only uses CS1 without using CS0. Therefore, add
   44       this property to re-config the chipselect value in the LPSPI driver.
   45     type: boolean
   46 
   47 required:
   48   - compatible
   49   - reg
   50   - interrupts
   51   - clocks
   52   - clock-names
   53 
   54 unevaluatedProperties: false
   55 
   56 examples:
   57   - |
   58     #include <dt-bindings/clock/imx7ulp-clock.h>
   59     #include <dt-bindings/interrupt-controller/arm-gic.h>
   60 
   61     spi@40290000 {
   62         compatible = "fsl,imx7ulp-spi";
   63         reg = <0x40290000 0x10000>;
   64         interrupt-parent = <&intc>;
   65         interrupts = <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>;
   66         clocks = <&clks IMX7ULP_CLK_LPSPI2>,
   67                  <&clks IMX7ULP_CLK_DUMMY>;
   68         clock-names = "per", "ipg";
   69         spi-slave;
   70         fsl,spi-only-use-cs1-sel;
   71     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/spi/spi-fsl-lpspi.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/spi/spi-fsl-lpspi.yaml