1# SPDX-License-Identifier: GPL-2.0 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/clock/milbeaut-clock.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Milbeaut SoCs Clock Controller 8 9maintainers: 10 - Taichi Sugaya <sugaya.taichi@socionext.com> 11 12description: | 13 Milbeaut SoCs Clock controller is an integrated clock controller, which 14 generates and supplies to all modules. 15 16 This binding uses common clock bindings 17 [1] Documentation/devicetree/bindings/clock/clock-bindings.txt 18 19properties: 20 compatible: 21 enum: 22 - socionext,milbeaut-m10v-ccu 23 24 reg: 25 maxItems: 1 26 27 clocks: 28 maxItems: 1 29 description: external clock 30 31 '#clock-cells': 32 const: 1 33 34required: 35 - compatible 36 - reg 37 - clocks 38 - '#clock-cells' 39 40additionalProperties: false 41 42examples: 43 # Clock controller node: 44 - | 45 m10v-clk-ctrl@1d021000 { 46 compatible = "socionext,milbeaut-m10v-ccu"; 47 reg = <0x1d021000 0x4000>; 48 #clock-cells = <1>; 49 clocks = <&clki40mhz>; 50 }; 51 52 # Required an external clock for Clock controller node: 53 - | 54 clocks { 55 clki40mhz: clki40mhz { 56 compatible = "fixed-clock"; 57 #clock-cells = <0>; 58 clock-frequency = <40000000>; 59 }; 60 /* other clocks */ 61 }; 62 63 # The clock consumer shall specify the desired clock-output of the clock 64 # controller as below by specifying output-id in its "clk" phandle cell. 65 # 2: uart 66 # 4: 32-bit timer 67 # 7: UHS-I/II 68 - | 69 serial@1e700010 { 70 compatible = "socionext,milbeaut-usio-uart"; 71 reg = <0x1e700010 0x10>; 72 interrupts = <0 141 0x4>, <0 149 0x4>; 73 interrupt-names = "rx", "tx"; 74 clocks = <&clk 2>; 75 }; 76 77... 78