linux-kernel - [PATCH v2 03/26] dt-bindings: PCI: keystone: Add "reg-names" binding information

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Date:   Mon, 25 Mar 2019 14:04:38 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Gustavo Pimentel <gustavo.pimentel@...opsys.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        Rob Herring <robh+dt@...nel.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Arnd Bergmann <arnd@...db.de>,
        Murali Karicheri <m-karicheri2@...com>
CC:     Kishon Vijay Abraham I <kishon@...com>,
        Jingoo Han <jingoohan1@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-arm-kernel@...s.com>
Subject: [PATCH v2 03/26] dt-bindings: PCI: keystone: Add "reg-names" binding information

Add "reg-names" binding information in order for device tree node
to be populated with the correct register strings. This will break
old dt compatibility. However Keystone PCI has never worked
in upstream kernel due to lack of SERDES support. Before SERDES
support is added, cleanup the Keystone PCI dt-bindngs. This new
binding will also be used by PCI in AM654 platform.

Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 Documentation/devicetree/bindings/pci/pci-keystone.txt | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/pci-keystone.txt b/Documentation/devicetree/bindings/pci/pci-keystone.txt
index 2030ee0dc4f9..3a551687cfa2 100644
--- a/Documentation/devicetree/bindings/pci/pci-keystone.txt
+++ b/Documentation/devicetree/bindings/pci/pci-keystone.txt
@@ -12,8 +12,10 @@ described here as well as properties that are not applicable.
 Required Properties:-
 
 compatibility: "ti,keystone-pcie"
-reg:	index 1 is the base address and length of DW application registers.
-	index 2 is the base address and length of PCI device ID register.
+reg: Three register ranges as listed in the reg-names property
+reg-names: "dbics" for the DesignWare PCIe registers, "app" for the
+	   TI specific application registers, "config" for the
+	   configuration space address
 
 pcie_msi_intc : Interrupt controller device node for MSI IRQ chip
 	interrupt-cells: should be set to 1
-- 
2.17.1