On 27/02/2024 18:21, Frank Li wrote: > > + - if: > + properties: > + compatible: > + contains: > + const: fsl,imx8ulp-edma > + then: > + properties: > + clock: > + maxItems: 33 > + clock-names: > + items: > + - const: dma > + - pattern: "^CH[0-31]-clk$" > + interrupt-names: false > + interrupts: > + maxItems: 32 > + "#dma-cells": > + const: 3 Why suddenly fsl,vf610-edma can have from 2 to 33 clocks? Constrain properly the variants. Best regards, Krzysztof