linux-kernel - [PATCH v3] dt-bindings: gnss: add u-blox,neo-9m compatible

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Message-Id: <20250523-ubx-m9-v3-1-6fa4ef5b7d4a@geotab.com>
Date: Fri, 23 May 2025 13:19:52 +0200
From: Alejandro Enrique via B4 Relay <devnull+alejandroe1.geotab.com@...nel.org>
To: Johan Hovold <johan@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, 
 Alejandro Enrique <alejandroe1@...tab.com>
Subject: [PATCH v3] dt-bindings: gnss: add u-blox,neo-9m compatible

From: Alejandro Enrique <alejandroe1@...tab.com>

Add compatible for u-blox NEO-9M GPS module.

Signed-off-by: Alejandro Enrique <alejandroe1@...tab.com>
---
This series just add the compatible string for u-blox NEO-9M module,
using neo-m8 as fallback. I have tested the driver with such a module
and it is working fine.
---
Changes in v3:
- Remove unnecessary example, 'items', and blank line in the devicetree binding
- Link to v2: https://lore.kernel.org/r/20250522-ubx-m9-v2-1-6ecd470527bc@geotab.com

Changes in v2:
- Modify the binding to allow falling back to neo-m8
- Remove compatible string from u-blox driver
- Link to v1: https://lore.kernel.org/r/20250514-ubx-m9-v1-0-193973a4f3ca@geotab.com
---
 Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
index 7d4b6d49e5eea2201ac05ba6d54b1c1721172f26..c0c2bfaa606fb01f7efee1ce7e5d30b1640783f3 100644
--- a/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
+++ b/Documentation/devicetree/bindings/gnss/u-blox,neo-6m.yaml
@@ -18,10 +18,14 @@ description: >
 
 properties:
   compatible:
-    enum:
-      - u-blox,neo-6m
-      - u-blox,neo-8
-      - u-blox,neo-m8
+    oneOf:
+      - enum:
+          - u-blox,neo-6m
+          - u-blox,neo-8
+          - u-blox,neo-m8
+      - items:
+          - const: u-blox,neo-m9
+          - const: u-blox,neo-m8
 
   reg:
     description: >

---
base-commit: 9c32cda43eb78f78c73aee4aa344b777714e259b
change-id: 20250514-ubx-m9-70df0fd8c48b

Best regards,
-- 
Alejandro Enrique <alejandroe1@...tab.com>