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authorJohan Hovold <johan+linaro@kernel.org>2023-01-16 17:42:36 +0100
committerMartin K. Petersen <martin.petersen@oracle.com>2023-01-18 18:48:43 -0500
commit85e182b48a33a44f3e0cfe6e7ee9da15baa0afce (patch)
treebb5b4c77b7dcd17843211cb77103fb0187500326 /Documentation/devicetree/bindings/ufs
parent54c51253b3d5544943fc3ec072cd0194915bac30 (diff)
scsi: ufs: qcom: dt-bindings: Allow 'dma-coherent' property
UFS controllers may be cache coherent and must be marked as such in the devicetree to avoid data corruption. This is specifically needed on recent Qualcomm platforms like SC8280XP. Reviewed-by: Rob Herring <robh@kernel.org> Reviewed-by: Bjorn Andersson <andersson@kernel.org> Signed-off-by: Johan Hovold <johan+linaro@kernel.org> Link: https://lore.kernel.org/r/20230116164236.18958-1-johan+linaro@kernel.org Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'Documentation/devicetree/bindings/ufs')
-rw-r--r--Documentation/devicetree/bindings/ufs/qcom,ufs.yaml2
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
index f2d6298d926c..1f1d286749c0 100644
--- a/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/qcom,ufs.yaml
@@ -44,6 +44,8 @@ properties:
minItems: 8
maxItems: 11
+ dma-coherent: true
+
interconnects:
minItems: 2
maxItems: 2