mmc: dw_mmc: Handle late vmmc regulators with EPROBE_DEFER

[cascardo/linux.git] / Documentation / devicetree / bindings / mmc / synopsis-dw-mshc.txt

diff --git a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
index 726fd21..d5cc94e 100644 (file)
--- a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
@@ -55,6 +55,9 @@ Optional properties:
 
 * broken-cd: as documented in mmc core bindings.
 
+* vmmc-supply: The phandle to the regulator to use for vmmc.  If this is
+  specified we'll defer probe until we can find this regulator.
+
 Aliases:
 
 - All the MSHC controller nodes should be represented in the aliases node using
@@ -79,6 +82,7 @@ board specific portions as listed below.
                broken-cd;
                fifo-depth = <0x80>;
                card-detect-delay = <200>;
+               vmmc-supply = <&buck8>;
 
                slot@0 {
                        reg = <0>;