[PATCH v5 12/15] dt-bindings: ufs: exynos-ufs: add io-coherency property
From: Chanho Park <hidden>
Date: 2021-10-18 12:45:17
Also in:
linux-samsung-soc, linux-scsi
Subsystem:
open firmware and flattened device tree bindings, the rest, universal flash storage host controller driver · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
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@kernel.org> Cc: devicetree@vger.kernel.org Signed-off-by: Chanho Park <redacted> --- .../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