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dt-bindings: PCI: brcmstb: add optional property - "brcm,tperst-clk-ms"

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This property can be used to delay deassertion of external fundamental
reset, which may be useful for endpoints that require an extended time for
internal setup to complete.

Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
This commit is contained in:
Jonathan Bell
2023-09-20 10:04:15 +01:00
committed by Dom Cobley
parent 931cf43f8a
commit 5e64a6f033
1 changed files with 8 additions and 0 deletions
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8
Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
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@@ -134,6 +134,14 @@ properties:
default: 1 default: 1
maximum: 4 maximum: 4
brcm,tperst-clk-ms:
category: optional
type: int
description: u32 giving the number of milliseconds to extend
the time between internal release of fundamental reset and
the deassertion of the external PERST# pin. This has the
effect of increasing the Tperst_clk phase of link init.
required: required:
- compatible - compatible
- reg - reg