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ARM: dts: msm: Add MX property for PCIe on sdxlemur

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Update the bindings document to include the devicetree
property needed to scale the MX voltage to support the
PCIe Gen4 controller for sdxlemur.

Change-Id: I9b5b9f9cda70456a9c7af06adee498fa713d1f39
This commit is contained in:
Gauri Joshi 2021-03-09 14:45:17 -08:00
commit 252a689904
1 changed files with 2 additions and 0 deletions
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2
bindings/pci/msm_ep_pcie.txt
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@ -33,6 +33,8 @@ Required properties:
Optional Properties:
- qcom,<supply-name>-voltage-level: specifies voltage levels for supply.
Should be specified in pairs (max, min, optimal), units uV.
- qcom,vreg-mx-voltage-level: Support PCIe Gen4 on sdxlemur by scaling MX to
appropriate voltage.
- clock-names: list of names of clock inputs.
Should be "pcie_pipe_clk",
"pcie_aux_clk", "pcie_cfg_ahb_clk",