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+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright 2019 Unisoc Inc.
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/clock/sprd,sc9863a-clk.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: SC9863A Clock Control Unit Device Tree Bindings
+
+maintainers:
+ - Orson Zhai <orsonzhai@gmail.com>
+ - Baolin Wang <baolin.wang7@gmail.com>
+ - Chunyan Zhang <zhang.lyra@gmail.com>
+
+properties:
+ "#clock-cells":
+ const: 1
+
+ compatible:
+ enum:
+ - sprd,sc9863a-ap-clk
+ - sprd,sc9863a-aon-clk
+ - sprd,sc9863a-apahb-gate
+ - sprd,sc9863a-pmu-gate
+ - sprd,sc9863a-aonapb-gate
+ - sprd,sc9863a-pll
+ - sprd,sc9863a-mpll
+ - sprd,sc9863a-rpll
+ - sprd,sc9863a-dpll
+ - sprd,sc9863a-mm-gate
+ - sprd,sc9863a-mm-clk
+ - sprd,sc9863a-apapb-gate
+
+ clocks:
+ minItems: 1
+ maxItems: 4
+ description: |
+ The input parent clock(s) phandle for this clock, only list fixed
+ clocks which are declared in devicetree.
+
+ clock-names:
+ minItems: 1
+ maxItems: 4
+ items:
+ - const: ext-26m
+ - const: ext-32k
+ - const: ext-4m
+ - const: rco-100m
+
+ reg:
+ maxItems: 1
+
+required:
+ - compatible
+ - '#clock-cells'
+
+if:
+ properties:
+ compatible:
+ enum:
+ - sprd,sc9863a-ap-clk
+ - sprd,sc9863a-aon-clk
+then:
+ required:
+ - reg
+
+else:
+ description: |
+ Other SC9863a clock nodes should be the child of a syscon node in
+ which compatible string shoule be:
+ "sprd,sc9863a-glbregs", "syscon", "simple-mfd"
+
+ The 'reg' property for the clock node is also required if there is a sub
+ range of registers for the clocks.
+
+additionalProperties: false
+
+examples:
+ - |
+ ap_clk: clock-controller@21500000 {
+ compatible = "sprd,sc9863a-ap-clk";
+ reg = <0x21500000 0x1000>;
+ clocks = <&ext_26m>, <&ext_32k>;
+ clock-names = "ext-26m", "ext-32k";
+ #clock-cells = <1>;
+ };
+
+ - |
+ syscon@20e00000 {
+ compatible = "sprd,sc9863a-glbregs", "syscon", "simple-mfd";
+ reg = <0x20e00000 0x4000>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+ ranges = <0 0x20e00000 0x4000>;
+
+ apahb_gate: apahb-gate@0 {
+ compatible = "sprd,sc9863a-apahb-gate";
+ reg = <0x0 0x1020>;
+ #clock-cells = <1>;
+ };
+ };
+
+...