From f1154884295a4bd00d6ebcaf01fa30141145903d Mon Sep 17 00:00:00 2001
From: Jonathan Bell <jonathan@raspberrypi.com>
Date: Wed, 20 Sep 2023 10:04:15 +0100
Subject: [PATCH] dt-bindings: PCI: brcmstb: add optional property -
"brcm,tperst-clk-ms"
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>
---
Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 8 ++++++++
1 file changed, 8 insertions(+)
--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
@@ -77,6 +77,14 @@ properties:
minItems: 1
maxItems: 3
+ 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:
- compatible
- reg