mmc-spi-slot.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/mmc/mmc-spi-slot.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: MMC/SD/SDIO slot directly connected to a SPI bus
    8 
    9 maintainers:
   10   - Ulf Hansson <ulf.hansson@linaro.org>
   11 
   12 allOf:
   13   - $ref: "mmc-controller.yaml"
   14   - $ref: /schemas/spi/spi-peripheral-props.yaml
   15 
   16 description: |
   17   The extra properties used by an mmc connected via SPI.
   18 
   19 properties:
   20   compatible:
   21     const: mmc-spi-slot
   22 
   23   reg:
   24     maxItems: 1
   25 
   26   spi-max-frequency: true
   27 
   28   interrupts:
   29     maxItems: 1
   30 
   31   voltage-ranges:
   32     $ref: /schemas/types.yaml#/definitions/uint32-array
   33     description: |
   34       Two cells are required, first cell specifies minimum slot voltage (mV),
   35       second cell specifies maximum slot voltage (mV).
   36     items:
   37       - description: |
   38           value for minimum slot voltage in mV
   39         default: 3200
   40       - description: |
   41           value for maximum slot voltage in mV
   42         default: 3400
   43 
   44   gpios:
   45     description: |
   46       For historical reasons, this does not follow the generic mmc-controller
   47       binding.
   48     minItems: 1
   49     items:
   50       - description: Card-Detect GPIO
   51       - description: Write-Protect GPIO
   52 
   53 required:
   54   - compatible
   55   - reg
   56   - spi-max-frequency
   57 
   58 unevaluatedProperties: false
   59 
   60 examples:
   61   - |
   62     #include <dt-bindings/gpio/gpio.h>
   63     spi {
   64       #address-cells = <1>;
   65       #size-cells = <0>;
   66       mmc@0 {
   67         compatible = "mmc-spi-slot";
   68         reg = <0>;
   69         gpios = <&gpio 14 GPIO_ACTIVE_LOW>, <&gpio 15 GPIO_ACTIVE_HIGH>;
   70         voltage-ranges = <3300 3300>;
   71         spi-max-frequency = <50000000>;
   72         interrupts = <42>;
   73         interrupt-parent = <&PIC>;
   74       };
   75     };
   76 
   77 ...

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/mmc/mmc-spi-slot.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/mmc/mmc-spi-slot.yaml