1*440b075bSKrzysztof Kozlowski# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2687daae7SAlexander Stein%YAML 1.2 3687daae7SAlexander Stein--- 4687daae7SAlexander Stein$id: http://devicetree.org/schemas/clock/ti,cdce925.yaml# 5687daae7SAlexander Stein$schema: http://devicetree.org/meta-schemas/core.yaml# 6687daae7SAlexander Stein 7687daae7SAlexander Steintitle: TI CDCE913/925/937/949 programmable I2C clock synthesizers 8687daae7SAlexander Stein 9687daae7SAlexander Steinmaintainers: 10687daae7SAlexander Stein - Alexander Stein <alexander.stein@ew.tq-group.com> 11687daae7SAlexander Stein 12687daae7SAlexander Steindescription: | 13687daae7SAlexander Stein Flexible Low Power LVCMOS Clock Generator with SSC Support for EMI Reduction 14687daae7SAlexander Stein 15687daae7SAlexander Stein - CDCE(L)913: 1-PLL, 3 Outputs https://www.ti.com/product/cdce913 16687daae7SAlexander Stein - CDCE(L)925: 2-PLL, 5 Outputs https://www.ti.com/product/cdce925 17687daae7SAlexander Stein - CDCE(L)937: 3-PLL, 7 Outputs https://www.ti.com/product/cdce937 18687daae7SAlexander Stein - CDCE(L)949: 4-PLL, 9 Outputs https://www.ti.com/product/cdce949 19687daae7SAlexander Stein 20687daae7SAlexander Steinproperties: 21687daae7SAlexander Stein compatible: 22687daae7SAlexander Stein enum: 23687daae7SAlexander Stein - ti,cdce913 24687daae7SAlexander Stein - ti,cdce925 25687daae7SAlexander Stein - ti,cdce937 26687daae7SAlexander Stein - ti,cdce949 27687daae7SAlexander Stein 28687daae7SAlexander Stein reg: 29687daae7SAlexander Stein maxItems: 1 30687daae7SAlexander Stein 31687daae7SAlexander Stein clocks: 32687daae7SAlexander Stein items: 33687daae7SAlexander Stein - description: fixed parent clock 34687daae7SAlexander Stein 35687daae7SAlexander Stein "#clock-cells": 36687daae7SAlexander Stein const: 1 37687daae7SAlexander Stein 38687daae7SAlexander Stein vdd-supply: 39687daae7SAlexander Stein description: Regulator that provides 1.8V Vdd power supply 40687daae7SAlexander Stein 41687daae7SAlexander Stein vddout-supply: 42687daae7SAlexander Stein description: | 43687daae7SAlexander Stein Regulator that provides Vddout power supply. 44687daae7SAlexander Stein non-L variant: 2.5V or 3.3V for 45687daae7SAlexander Stein L variant: 1.8V for 46687daae7SAlexander Stein 47687daae7SAlexander Stein xtal-load-pf: 48687daae7SAlexander Stein $ref: /schemas/types.yaml#/definitions/uint32 49687daae7SAlexander Stein description: | 50687daae7SAlexander Stein Crystal load-capacitor value to fine-tune performance on a 51687daae7SAlexander Stein board, or to compensate for external influences. 52687daae7SAlexander Stein 53687daae7SAlexander SteinpatternProperties: 54687daae7SAlexander Stein "^PLL[1-4]$": 55687daae7SAlexander Stein type: object 56687daae7SAlexander Stein description: | 57687daae7SAlexander Stein optional child node can be used to specify spread 58687daae7SAlexander Stein spectrum clocking parameters for a board 59687daae7SAlexander Stein 60687daae7SAlexander Stein additionalProperties: false 61687daae7SAlexander Stein 62687daae7SAlexander Stein properties: 63687daae7SAlexander Stein spread-spectrum: 64687daae7SAlexander Stein $ref: /schemas/types.yaml#/definitions/uint32 65687daae7SAlexander Stein description: SSC mode as defined in the data sheet 66687daae7SAlexander Stein 67687daae7SAlexander Stein spread-spectrum-center: 68687daae7SAlexander Stein type: boolean 69687daae7SAlexander Stein description: | 70687daae7SAlexander Stein Use "centered" mode instead of "max" mode. When 71687daae7SAlexander Stein present, the clock runs at the requested frequency on average. 72687daae7SAlexander Stein Otherwise the requested frequency is the maximum value of the 73687daae7SAlexander Stein SCC range. 74687daae7SAlexander Stein 75687daae7SAlexander Steinrequired: 76687daae7SAlexander Stein - compatible 77687daae7SAlexander Stein - reg 78687daae7SAlexander Stein - clocks 79687daae7SAlexander Stein - "#clock-cells" 80687daae7SAlexander Stein 81687daae7SAlexander SteinadditionalProperties: false 82687daae7SAlexander Stein 83687daae7SAlexander Steinexamples: 84687daae7SAlexander Stein - | 85687daae7SAlexander Stein i2c { 86687daae7SAlexander Stein #address-cells = <1>; 87687daae7SAlexander Stein #size-cells = <0>; 88687daae7SAlexander Stein 89687daae7SAlexander Stein cdce925: clock-controller@64 { 90687daae7SAlexander Stein compatible = "ti,cdce925"; 91687daae7SAlexander Stein reg = <0x64>; 92687daae7SAlexander Stein clocks = <&xtal_27Mhz>; 93687daae7SAlexander Stein #clock-cells = <1>; 94687daae7SAlexander Stein xtal-load-pf = <5>; 95687daae7SAlexander Stein vdd-supply = <®_1v8>; 96687daae7SAlexander Stein vddout-supply = <®_3v3>; 97687daae7SAlexander Stein /* PLL options to get SSC 1% centered */ 98687daae7SAlexander Stein PLL2 { 99687daae7SAlexander Stein spread-spectrum = <4>; 100687daae7SAlexander Stein spread-spectrum-center; 101687daae7SAlexander Stein }; 102687daae7SAlexander Stein }; 103687daae7SAlexander Stein }; 104