linux-kernel - [PATCH] dt-bindings: i3c: Fix description for assigned-address

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Message-ID: <20230822051209.2837818-1-aniketmaurya@google.com>
Date:   Tue, 22 Aug 2023 05:12:09 +0000
From:   Aniket <aniketmaurya@...gle.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-i3c@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, joychakr@...gle.com,
        manugautam@...gle.com, Aniket <aniketmaurya@...gle.com>
Subject: [PATCH] dt-bindings: i3c: Fix description for assigned-address

assigned-address is a valid property for I3C device with or without
static address. Fix the description and an example for the same.

Signed-off-by: Aniket <aniketmaurya@...gle.com>
---
 Documentation/devicetree/bindings/i3c/i3c.yaml | 15 +++++++++++----
 1 file changed, 11 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/i3c/i3c.yaml b/Documentation/devicetree/bindings/i3c/i3c.yaml
index fdb4212149e7..ab69f4115de4 100644
--- a/Documentation/devicetree/bindings/i3c/i3c.yaml
+++ b/Documentation/devicetree/bindings/i3c/i3c.yaml
@@ -135,9 +135,10 @@ patternProperties:
         minimum: 0x1
         maximum: 0xff
         description: |
-          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).
+          Dynamic address to be assigned to this device. In case static address is
+          present (first cell of the reg property != 0), this address is assigned
+          through SETDASA. If static address is not present, this address is assigned
+          through SETNEWDA after assigning a temporary address via ENTDAA.
 
     required:
       - reg
@@ -163,12 +164,18 @@ examples:
             pagesize = <0x8>;
         };
 
-        /* I3C device with a static I2C address. */
+        /* I3C device with a static I2C address and assigned address. */
         thermal_sensor: sensor@68,39200144004 {
             reg = <0x68 0x392 0x144004>;
             assigned-address = <0xa>;
         };
 
+        /* I3C device with only assigned address. */
+        pressure_sensor: sensor@0,39200124004 {
+            reg = <0x0 0x392 0x124000>;
+            assigned-address = <0xc>;
+        };
+
         /*
          * I3C device without a static I2C address but requiring
          * resources described in the DT.
-- 
2.42.0.rc1.204.g551eb34607-goog