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linux-7.2.3/Documentation/devicetree/bindings/ptp/brcm,ptp-dte.txt

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+* Broadcom Digital Timing Engine(DTE) based PTP clock
+
+Required properties:
+- compatible: should contain the core compatibility string
+              and the SoC compatibility string. The SoC
+              compatibility string is to handle SoC specific
+              hardware differences.
+              Core compatibility string:
+                 "brcm,ptp-dte"
+              SoC compatibility strings:
+                 "brcm,iproc-ptp-dte" - for iproc based SoC's
+- reg: address and length of the DTE block's NCO registers
+
+Example:
+
+ptp: ptp-dte@180af650 {
+	compatible = "brcm,iproc-ptp-dte", "brcm,ptp-dte";
+	reg = <0x180af650 0x10>;
+};