From 54b879b76ea253105505f840bd842c1927c9e380 Mon Sep 17 00:00:00 2001 From: Yaniv Gardi Date: Thu, 10 Mar 2016 17:37:05 +0200 Subject: scsi: ufs-qcom: add number of lanes per direction Different platform may have different number of lanes for the UFS link. Add parameter to device tree specifying how many lanes should be configured for the UFS link. Reviewed-by: Hannes Reinecke Acked-by: Rob Herring Signed-off-by: Gilad Broner Signed-off-by: Yaniv Gardi Signed-off-by: Martin K. Petersen --- Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt index 03c0e989e020..66f6adf8d44d 100644 --- a/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt +++ b/Documentation/devicetree/bindings/ufs/ufshcd-pltfrm.txt @@ -38,6 +38,9 @@ Optional properties: defined or a value in the array is "0" then it is assumed that the frequency is set by the parent clock or a fixed rate clock source. +-lanes-per-direction : number of lanes available per direction - either 1 or 2. + Note that it is assume same number of lanes is used both + directions at once. If not specified, default is 2 lanes per direction. Note: If above properties are not defined it can be assumed that the supply regulators or clocks are always on. -- cgit v1.2.3-58-ga151