The I3C devices without a static address can require a specific dynamic
address for priority reasons.

Let's update the binding document to make the 'assigned-address' property
valid if static address == 0 and add an example with this use case.

Signed-off-by: Vitor Soares <vitor.soa...@synopsys.com>
---
 Documentation/devicetree/bindings/i3c/i3c.txt | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/i3c/i3c.txt 
b/Documentation/devicetree/bindings/i3c/i3c.txt
index ab729a0..c851e75 100644
--- a/Documentation/devicetree/bindings/i3c/i3c.txt
+++ b/Documentation/devicetree/bindings/i3c/i3c.txt
@@ -98,9 +98,7 @@ Required properties
 
 Optional properties
 -------------------
-- assigned-address: dynamic address to be assigned to this device. This
-                   property is only valid if the I3C device has a static
-                   address (first cell of the reg property != 0).
+- assigned-address: dynamic address to be assigned to this device.
 
 
 Example:
@@ -129,6 +127,15 @@ Example:
 
                /*
                 * I3C device without a static I2C address but requiring
+                * specific dynamic address.
+                */
+               sensor@0,39200154004 {
+                       reg = <0x0 0x6072 0x303904d2>;
+                       assigned-address = <0xb>;
+               };
+
+               /*
+                * I3C device without a static I2C address but requiring
                 * resources described in the DT.
                 */
                sensor@0,39200154004 {
-- 
2.7.4

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