Document the mmc-slot, which is a subnode of a multi-slot MMC controller, each slot is represented as a full MMC controller, the top node handling all the shared resources and slot mux. Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx> Signed-off-by: Neil Armstrong <neil.armstrong@xxxxxxxxxx> --- .../devicetree/bindings/mmc/mmc-slot.yaml | 49 ++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/Documentation/devicetree/bindings/mmc/mmc-slot.yaml b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml new file mode 100644 index 0000000000000000000000000000000000000000..1f066782806341a9f72460edd8e6454ce22f4320 --- /dev/null +++ b/Documentation/devicetree/bindings/mmc/mmc-slot.yaml @@ -0,0 +1,49 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mmc/mmc-slot.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MMC slot properties + +maintainers: + - Ulf Hansson <ulf.hansson@xxxxxxxxxx> + +description: + These properties defines slot properties for MMC controlers that + have multiple slots or ports provided by the same controller and + sharing the same resources. + +$ref: mmc-controller-common.yaml# + +properties: + $nodename: + pattern: "^slot(@.*)?$" + + compatible: + const: mmc-slot + + reg: + description: + the slot (or "port") ID + maxItems: 1 + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + - | + mmc { + #address-cells = <1>; + #size-cells = <0>; + slot@0 { + compatible = "mmc-slot"; + reg = <0>; + bus-width = <4>; + }; + }; + +... -- 2.34.1