From c6c664b0edcf2aeb9034e63b0cad14c192c798d0 Mon Sep 17 00:00:00 2001 From: Jonathan Bell Date: Thu, 13 Feb 2025 16:36:57 +0000 Subject: [PATCH] dt-bindings: pci: pcie-brcmstb: add optional brcm,tperst-clk-ms property Some platforms may require an extended time with refclk active before PERST# is released. Add a property to let the RC driver know how long to wait. Signed-off-by: Jonathan Bell --- Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 6 ++++++ 1 file changed, 6 insertions(+) --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -105,6 +105,12 @@ properties: minItems: 1 maxItems: 3 + brcm,tperst-clk-ms: + 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. + brcm,vdm-qos-map: description: Array of u8 elements which assigns each per-TC FIFO a base AXI priority with automatic elevation depending on