linux-kernel - [PATCH 01/11] dt-bindings: hwinfo: samsung,exynos-chipid: add google,gs101 compatible

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Message-Id: <20251031-gs101-chipid-v1-1-d78d1076b210@linaro.org>
Date: Fri, 31 Oct 2025 12:56:00 +0000
From: Tudor Ambarus <tudor.ambarus@...aro.org>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Alim Akhtar <alim.akhtar@...sung.com>, 
 Peter Griffin <peter.griffin@...aro.org>, 
 André Draszik <andre.draszik@...aro.org>
Cc: Krzysztof Kozlowski <krzk@...nel.org>, semen.protsenko@...aro.org, 
 willmcvicker@...gle.com, kernel-team@...roid.com, 
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
 linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org, 
 Tudor Ambarus <tudor.ambarus@...aro.org>
Subject: [PATCH 01/11] dt-bindings: hwinfo: samsung,exynos-chipid: add
 google,gs101 compatible

Google GS101 Chip ID references the nvmem cells from the OTP controller,
it doesn't need a reg space. Add the google,gs101-chipid compatible.

Signed-off-by: Tudor Ambarus <tudor.ambarus@...aro.org>
---
 .../bindings/hwinfo/samsung,exynos-chipid.yaml     | 51 +++++++++++++++++++++-
 1 file changed, 50 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml
index b9cdfe52b62ff3a365d61368c39db21facff6565..6d6260be02d47712ebf1e4d31973802e8340cdfe 100644
--- a/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml
+++ b/Documentation/devicetree/bindings/hwinfo/samsung,exynos-chipid.yaml
@@ -33,6 +33,16 @@ properties:
               - samsung,exynosautov9-chipid
               - samsung,exynosautov920-chipid
           - const: samsung,exynos850-chipid
+      - items:
+          - const: google,gs101-chipid
+
+  nvmem-cells:
+    maxItems: 2
+
+  nvmem-cell-names:
+    items:
+      - const: product-id
+      - const: chip-id
 
   reg:
     maxItems: 1
@@ -47,7 +57,46 @@ properties:
 
 required:
   - compatible
-  - reg
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            oneOf:
+              - enum:
+                  - samsung,exynos4210-chipid
+                  - samsung,exynos850-chipid
+              - items:
+                  - enum:
+                      - samsung,exynos5433-chipid
+                      - samsung,exynos7-chipid
+                      - samsung,exynos7870-chipid
+                      - samsung,exynos8890-chipid
+                  - const: samsung,exynos4210-chipid
+              - items:
+                  - enum:
+                      - samsung,exynos2200-chipid
+                      - samsung,exynos7885-chipid
+                      - samsung,exynos8895-chipid
+                      - samsung,exynos9610-chipid
+                      - samsung,exynos9810-chipid
+                      - samsung,exynos990-chipid
+                      - samsung,exynosautov9-chipid
+                      - samsung,exynosautov920-chipid
+                  - const: samsung,exynos850-chipid
+    then:
+      required:
+        - reg
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: google,gs101-chipid
+    then:
+      required:
+        - nvmem-cells
+        - nvmem-cell-names
 
 additionalProperties: false
 

-- 
2.51.1.930.gacf6e81ea2-goog