From 2d87a3b140b787fb70dd3c8778412f8191806aa3 Mon Sep 17 00:00:00 2001
From: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Date: Sun, 11 Jun 2023 15:03:12 +0100
Subject: [PATCH] dt-bindings: nvmem: rockchip,otp: Add compatible for RK3588

Document the OTP memory found on Rockchip RK3588 SoC.

Since RK3588 uses different clocks & resets configurations than PX30 /
RK3308, provide the required changes in the binding to be able to handle
both variants.

Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Message-ID: <20230611140330.154222-9-srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 .../devicetree/bindings/nvmem/rockchip,otp.yaml    | 54 +++++++++++++++++++---
 1 file changed, 47 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
index 4cd425a..9c6eff7 100644
--- a/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
+++ b/Documentation/devicetree/bindings/nvmem/rockchip,otp.yaml
@@ -9,33 +9,35 @@ title: Rockchip internal OTP (One Time Programmable) memory
 maintainers:
   - Heiko Stuebner <heiko@sntech.de>
 
-allOf:
-  - $ref: nvmem.yaml#
-
 properties:
   compatible:
     enum:
       - rockchip,px30-otp
       - rockchip,rk3308-otp
+      - rockchip,rk3588-otp
 
   reg:
     maxItems: 1
 
   clocks:
-    maxItems: 3
+    minItems: 3
+    maxItems: 4
 
   clock-names:
+    minItems: 3
     items:
       - const: otp
       - const: apb_pclk
       - const: phy
+      - const: arb
 
   resets:
-    maxItems: 1
+    minItems: 1
+    maxItems: 3
 
   reset-names:
-    items:
-      - const: phy
+    minItems: 1
+    maxItems: 3
 
 required:
   - compatible
@@ -45,6 +47,44 @@ required:
   - resets
   - reset-names
 
+allOf:
+  - $ref: nvmem.yaml#
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,px30-otp
+              - rockchip,rk3308-otp
+    then:
+      properties:
+        clocks:
+          maxItems: 3
+        resets:
+          maxItems: 1
+        reset-names:
+          items:
+            - const: phy
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - rockchip,rk3588-otp
+    then:
+      properties:
+        clocks:
+          minItems: 4
+        resets:
+          minItems: 3
+        reset-names:
+          items:
+            - const: otp
+            - const: apb
+            - const: arb
+
 unevaluatedProperties: false
 
 examples:
-- 
2.7.4