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33 lines
1.1 KiB
Diff
33 lines
1.1 KiB
Diff
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From f1154884295a4bd00d6ebcaf01fa30141145903d Mon Sep 17 00:00:00 2001
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From: Jonathan Bell <jonathan@raspberrypi.com>
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Date: Wed, 20 Sep 2023 10:04:15 +0100
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Subject: [PATCH] dt-bindings: PCI: brcmstb: add optional property -
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"brcm,tperst-clk-ms"
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This property can be used to delay deassertion of external fundamental
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reset, which may be useful for endpoints that require an extended time for
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internal setup to complete.
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Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
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---
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Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 8 ++++++++
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1 file changed, 8 insertions(+)
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--- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
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+++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
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@@ -77,6 +77,14 @@ properties:
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minItems: 1
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maxItems: 3
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+ brcm,tperst-clk-ms:
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+ category: optional
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+ type: int
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+ description: u32 giving the number of milliseconds to extend
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+ the time between internal release of fundamental reset and
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+ the deassertion of the external PERST# pin. This has the
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+ effect of increasing the Tperst_clk phase of link init.
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+
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required:
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- compatible
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- reg
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