[PATCH v3 1/5] dt-bindings: phy: samsung,ufs-phy: make pmu-syscon as phandle-array

[Chanho Park <chanho61.park@samsung.com>]

To support secondary ufs phy devices, we need to get an offset value
from pmu-syscon.

Signed-off-by: Chanho Park <chanho61.park@samsung.com>
---
 .../devicetree/bindings/phy/samsung,ufs-phy.yaml   | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
index f6ed1a005e7a..17897a3b5c9e 100644
--- a/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/samsung,ufs-phy.yaml
@@ -40,9 +40,17 @@ properties:
       - const: tx0_symbol_clk
 
   samsung,pmu-syscon:
-    $ref: '/schemas/types.yaml#/definitions/phandle'
-    description: phandle for PMU system controller interface, used to
-                 control pmu registers bits for ufs m-phy
+    $ref: '/schemas/types.yaml#/definitions/phandle-array'
+    maxItems: 1
+    items:
+      minItems: 1
+      items:
+        - description: phandle for PMU system controller interface, used to
+                       control pmu registers bits for ufs m-phy
+        - description: offset of the pmu control register
+    description:
+      It can be phandle/offset pair. The second cell which can represent an
+      offset is optional.
 
 required:
   - "#phy-cells"
-- 
2.36.1