From: Jonas Karlman <jonas@kwiboo.se>
Date: Fri, 27 Mar 2026 13:17:47 +0000 (+0000)
Subject: dt-bindings: nvmem: rockchip,otp: Add compatible for RK3528
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c5bc6d815c8d733bc8d915ffaf6fc9c248865216;p=thirdparty%2Fkernel%2Flinux.git

dt-bindings: nvmem: rockchip,otp: Add compatible for RK3528

Add compatible string for the OTP controller in RK3528. Compared to the
RK3562 and RK3568 the OTP in RK3528 does not have a phy clock or reset.

Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Srinivas Kandagatla <srini@kernel.org>
Link: https://patch.msgid.link/20260327131751.3026030-6-srini@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
index e90136f7dcfb..7e4d5e1c4ced 100644
--- a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
+++ b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
@@ -14,6 +14,7 @@ properties:
     enum:
       - rockchip,px30-otp
       - rockchip,rk3308-otp
+      - rockchip,rk3528-otp
       - rockchip,rk3562-otp
       - rockchip,rk3568-otp
       - rockchip,rk3576-otp
@@ -72,6 +73,30 @@ allOf:
           items:
             - const: phy
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,rk3528-otp
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        clock-names:
+          items:
+            - const: otp
+            - const: apb_pclk
+            - const: sbpi
+        resets:
+          minItems: 3
+          maxItems: 3
+        reset-names:
+          items:
+            - const: otp
+            - const: apb
+            - const: sbpi
+
   - if:
       properties:
         compatible: