[PATCH 1/2] dt-bindings: ufs: qcom: allow 'dma-coherent' property

Johan Hovold
2022-12-05T10:10:35Z

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.

Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
---
Documentation/devicetree/bindings/ufs/qcom,ufs.yaml | 2 ++
1 file changed, 2 insertions(+)

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
--
2.37.4