fsl-imx-cspi.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/fsl-imx-cspi.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Freescale (Enhanced) Configurable Serial Peripheral Interface (CSPI/eCSPI) for i.MX
    8 
    9 maintainers:
   10   - Shawn Guo <shawnguo@kernel.org>
   11 
   12 allOf:
   13   - $ref: "/schemas/spi/spi-controller.yaml#"
   14 
   15 properties:
   16   compatible:
   17     oneOf:
   18       - const: fsl,imx1-cspi
   19       - const: fsl,imx21-cspi
   20       - const: fsl,imx27-cspi
   21       - const: fsl,imx31-cspi
   22       - const: fsl,imx35-cspi
   23       - const: fsl,imx51-ecspi
   24       - const: fsl,imx53-ecspi
   25       - items:
   26           - enum:
   27               - fsl,imx50-ecspi
   28               - fsl,imx6q-ecspi
   29               - fsl,imx6sx-ecspi
   30               - fsl,imx6sl-ecspi
   31               - fsl,imx6sll-ecspi
   32               - fsl,imx6ul-ecspi
   33               - fsl,imx7d-ecspi
   34               - fsl,imx8mq-ecspi
   35               - fsl,imx8mm-ecspi
   36               - fsl,imx8mn-ecspi
   37               - fsl,imx8mp-ecspi
   38           - const: fsl,imx51-ecspi
   39 
   40   reg:
   41     maxItems: 1
   42 
   43   interrupts:
   44     maxItems: 1
   45 
   46   clocks:
   47     items:
   48       - description: SoC SPI ipg clock
   49       - description: SoC SPI per clock
   50 
   51   clock-names:
   52     items:
   53       - const: ipg
   54       - const: per
   55 
   56   dmas:
   57     items:
   58       - description: DMA controller phandle and request line for RX
   59       - description: DMA controller phandle and request line for TX
   60 
   61   dma-names:
   62     items:
   63       - const: rx
   64       - const: tx
   65 
   66   fsl,spi-rdy-drctl:
   67     $ref: /schemas/types.yaml#/definitions/uint32
   68     description: |
   69       Integer, representing the value of DRCTL, the register controlling
   70       the SPI_READY handling. Note that to enable the DRCTL consideration,
   71       the SPI_READY mode-flag needs to be set too.
   72       Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst).
   73     enum: [0, 1, 2]
   74 
   75 required:
   76   - compatible
   77   - reg
   78   - interrupts
   79   - clocks
   80   - clock-names
   81 
   82 unevaluatedProperties: false
   83 
   84 examples:
   85   - |
   86     #include <dt-bindings/clock/imx5-clock.h>
   87 
   88     spi@70010000 {
   89         #address-cells = <1>;
   90         #size-cells = <0>;
   91         compatible = "fsl,imx51-ecspi";
   92         reg = <0x70010000 0x4000>;
   93         interrupts = <36>;
   94         clocks = <&clks IMX5_CLK_ECSPI1_IPG_GATE>,
   95                  <&clks IMX5_CLK_ECSPI1_PER_GATE>;
   96         clock-names = "ipg", "per";
   97     };

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

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sys/contrib/device-tree/Bindings/spi/fsl-imx-cspi.yaml