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+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/nvmem/rockchip,otp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Rockchip internal OTP (One Time Programmable) memory
+
+maintainers:
+ - Heiko Stuebner <heiko@sntech.de>
+
+properties:
+ compatible:
+ enum:
+ - rockchip,px30-otp
+ - rockchip,rk3308-otp
+ - rockchip,rk3588-otp
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ minItems: 3
+ maxItems: 4
+
+ clock-names:
+ minItems: 3
+ items:
+ - const: otp
+ - const: apb_pclk
+ - const: phy
+ - const: arb
+
+ resets:
+ minItems: 1
+ maxItems: 3
+
+ reset-names:
+ minItems: 1
+ maxItems: 3
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - clock-names
+ - resets
+ - reset-names
+
+allOf:
+ - $ref: nvmem.yaml#
+ - $ref: nvmem-deprecated-cells.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:
+ - |
+ #include <dt-bindings/clock/px30-cru.h>
+
+ soc {
+ #address-cells = <2>;
+ #size-cells = <2>;
+
+ otp: efuse@ff290000 {
+ compatible = "rockchip,px30-otp";
+ reg = <0x0 0xff290000 0x0 0x4000>;
+ clocks = <&cru SCLK_OTP_USR>, <&cru PCLK_OTP_NS>,
+ <&cru PCLK_OTP_PHY>;
+ clock-names = "otp", "apb_pclk", "phy";
+ resets = <&cru SRST_OTP_PHY>;
+ reset-names = "phy";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ cpu_id: id@7 {
+ reg = <0x07 0x10>;
+ };
+
+ cpu_leakage: cpu-leakage@17 {
+ reg = <0x17 0x1>;
+ };
+
+ performance: performance@1e {
+ reg = <0x1e 0x1>;
+ bits = <4 3>;
+ };
+ };
+ };