Add "samsung,sysreg" regmap and the offset to the ufs shareability
register for setting io coherency of the samsung ufs. "dma-coherent"
property is also required because the driver code needs to know.
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Signed-off-by: Chanho Park <chanho61.park@xxxxxxxxxxx>
---
.../devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
index b9ca8ef4f2be..691741f9d6c0 100644
--- a/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
+++ b/Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml
@@ -54,6 +54,14 @@ properties:
phy-names:
const: ufs-phy
+ samsung,sysreg:
+ $ref: '/schemas/types.yaml#/definitions/phandle-array'
+ description: Should be phandle/offset pair. The phandle to the syscon node
+ which indicates the FSYSx sysreg interface and the offset of
+ the control register for UFS io coherency setting.
+
+ dma-coherent: true
+
required:
- compatible
- reg
--
2.33.0
