bindings/mmc/mmc-spi-slot.yaml

1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/mmc-spi-slot.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: MMC/SD/SDIO slot directly connected to a SPI bus
10   - Ulf Hansson <ulf.hansson@linaro.org>
13   - $ref: mmc-controller.yaml
14   - $ref: /schemas/spi/spi-peripheral-props.yaml
17   The extra properties used by an mmc connected via SPI.
21     const: mmc-spi-slot
29   voltage-ranges:
30     $ref: /schemas/types.yaml#/definitions/uint32-matrix
32       Two cells are required, first cell specifies minimum slot voltage (mV),
33       second cell specifies maximum slot voltage (mV).
36         - description: |
37             value for minimum slot voltage in mV
39         - description: |
40             value for maximum slot voltage in mV
46       For historical reasons, this does not follow the generic mmc-controller
50       - description: Card-Detect GPIO
51       - description: Write-Protect GPIO
54   - compatible
55   - reg
56   - spi-max-frequency
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";
70         voltage-ranges = <3300 3300>;
71         spi-max-frequency = <50000000>;
73         interrupt-parent = <&PIC>;