# 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 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>; }; }; ...