diff options
| author | Chanho Park <chanho61.park@samsung.com> | 2021-10-18 21:42:13 +0900 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2021-10-29 08:42:03 -0500 |
| commit | 57e9befa4863fa4a3bb30f3cf511f79888e2de90 (patch) | |
| tree | 15dc0dbc86e8d2570a96175da6412a1e01241aca /Documentation/devicetree/bindings/ufs | |
| parent | a5690a521c26efc6da71d691b127dc566b38bc33 (diff) | |
dt-bindings: ufs: exynos-ufs: add io-coherency property
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 <chanho61.park@samsung.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20211018124216.153072-13-chanho61.park@samsung.com
Diffstat (limited to 'Documentation/devicetree/bindings/ufs')
| -rw-r--r-- | Documentation/devicetree/bindings/ufs/samsung,exynos-ufs.yaml | 8 |
1 files changed, 8 insertions, 0 deletions
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 |