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Commit 67548697 authored by Tony Truong's avatar Tony Truong
Browse files

dt-bindings: arm: msm: support tuning of PCIe EQ preset request vector 

Add DT entry to determine which preset is requested and evaluated
in EQ master phase.

Change-Id: Ica7c91fcda99e47cd93bb40a7ffc75f4cfb22b92
parent 9da229fe

bindings/pci/pci-msm.txt

+7 −0
Original line number Diff line number Diff line
@@ -346,6 +346,12 @@ interconnects: 
	Definition: The latency(ms) between when PCIe link is up and before

		any device over the switch is accessed



- qcom,eq-pset-req-vec:

	Usage: optional

	Definition: EQ preset request vector. Determines which preset is

		requested and evauluated during initial part of the EQ master

		phase. Default will be 0 if entry is not present.



- qcom,core-preset:

	Usage: optional

	Definition: Determines how aggressive the PCIe PHY equalization is for
@@ -522,6 +528,7 @@ Example 
		qcom,ep-latency = <20>;

		qcom,switch-latency = <25>;



		qcom,eq-pset-req-vec = <0>;

		qcom,core-preset = <0x55555555> /* short channel */

		qcom,pcie-phy-ver = <0x2101>; /* v2 version 1.01 */

		qcom,phy-status-offset = <0x814>;