linux-kernel - [PATCH v2 2/8] dt-bindings: nvmem: rockchip,otp: Add compatible for RK3588

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Message-Id: <20230504200648.1119866-3-cristian.ciocaltea@collabora.com>
Date:   Thu,  4 May 2023 23:06:42 +0300
From:   Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Heiko Stuebner <heiko@...ech.de>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Sebastian Reichel <sebastian.reichel@...labora.com>,
        Shreeya Patel <shreeya.patel@...labora.com>,
        Kever Yang <kever.yang@...k-chips.com>,
        Finley Xiao <finley.xiao@...k-chips.com>,
        Vincent Legoll <vincent.legoll@...il.com>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel@...labora.com
Subject: [PATCH v2 2/8] 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@...labora.com>
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
---
 .../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 4cd425ae2823..9c6eff788928 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@...ech.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:
-- 
2.40.0