From e8b8318de645c04f8600cb5af6f6773a1878ee9d Mon Sep 17 00:00:00 2001
From: Ray Jui <rjui@broadcom.com>
Date: Fri, 4 Dec 2015 09:34:58 -0800
Subject: [PATCH 1/5] PCI: iproc: Update iProc PCIe device tree binding

Add a new compatible string "brcm,iproc-pcie-paxc", for PAXC-based iProc
PCIe root complex.  A PAXC-based PCIe root complex is connected to emulated
endpoint devices internal to the ASIC.

Signed-off-by: Ray Jui <rjui@broadcom.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Scott Branden <sbranden@broadcom.com>
---
 Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

--- a/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/brcm,iproc-pcie.txt
@@ -1,7 +1,10 @@
 * Broadcom iProc PCIe controller with the platform bus interface
 
 Required properties:
-- compatible: Must be "brcm,iproc-pcie"
+- compatible: Must be "brcm,iproc-pcie" for PAXB, or "brcm,iproc-pcie-paxc"
+  for PAXC.  PAXB-based root complex is used for external endpoint devices.
+  PAXC-based root complex is connected to emulated endpoint devices
+  internal to the ASIC
 - reg: base address and length of the PCIe controller I/O register space
 - #interrupt-cells: set to <1>
 - interrupt-map-mask and interrupt-map, standard PCI properties to define the
