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-rw-r--r--dts/Bindings/mmc/mmc-controller.yaml5
1 files changed, 4 insertions, 1 deletions
diff --git a/dts/Bindings/mmc/mmc-controller.yaml b/dts/Bindings/mmc/mmc-controller.yaml
index 513f3c8758..ff5ce89e51 100644
--- a/dts/Bindings/mmc/mmc-controller.yaml
+++ b/dts/Bindings/mmc/mmc-controller.yaml
@@ -298,7 +298,10 @@ properties:
vqmmc-supply:
description:
- Supply for the bus IO line power
+ Supply for the bus IO line power, such as a level shifter.
+ If the level shifter is controlled by a GPIO line, this shall
+ be modeled as a "regulator-fixed" with a GPIO line for
+ switching the level shifter on/off.
mmc-pwrseq:
$ref: /schemas/types.yaml#/definitions/phandle