diff mbox series

[v5,12/15] dt-bindings: ufs: exynos-ufs: add io-coherency property

Message ID 20211018124216.153072-13-chanho61.park@samsung.com (mailing list archive)
State Not Applicable
Headers show
Series introduce exynosauto v9 ufs driver | expand

Commit Message

Chanho Park Oct. 18, 2021, 12:42 p.m. UTC
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>
---
 .../devicetree/bindings/ufs/samsung,exynos-ufs.yaml       | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Rob Herring (Arm) Oct. 18, 2021, 5:54 p.m. UTC | #1
On Mon, 18 Oct 2021 21:42:13 +0900, Chanho Park wrote:
> 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>
> ---
>  .../devicetree/bindings/ufs/samsung,exynos-ufs.yaml       | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 

Reviewed-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

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