linux-kernel - [PATCH v4 10/23] dt-bindings: PCI: Add dt bindings for pci designware EP mode

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Message-ID: <20170313142259.25397-11-kishon@ti.com>
Date:   Mon, 13 Mar 2017 19:52:46 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Bjorn Helgaas <bhelgaas@...gle.com>,
        Joao Pinto <Joao.Pinto@...opsys.com>,
        <linux-pci@...r.kernel.org>, <linux-doc@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-omap@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>
CC:     <hch@...radead.org>, <nsekhar@...com>, <kishon@...com>
Subject: [PATCH v4 10/23] dt-bindings: PCI: Add dt bindings for pci designware EP mode

Add device tree binding documentation for pci designware EP mode.

Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@...com>
---
 .../devicetree/bindings/pci/designware-pcie.txt    | 26 +++++++++++++++-------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index 1392c705ceca..b2480dd38c11 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -6,30 +6,40 @@ Required properties:
 - reg-names: Must be "config" for the PCIe configuration space.
     (The old way of getting the configuration address space from "ranges"
     is deprecated and should be avoided.)
+- num-lanes: number of lanes to use
+RC mode:
 - #address-cells: set to <3>
 - #size-cells: set to <2>
 - device_type: set to "pci"
 - ranges: ranges for the PCI memory and I/O regions
 - #interrupt-cells: set to <1>
-- interrupt-map-mask and interrupt-map: standard PCI properties
-	to define the mapping of the PCIe interface to interrupt
+- interrupt-map-mask and interrupt-map: standard PCI
+	properties to define the mapping of the PCIe interface to interrupt
 	numbers.
-- num-lanes: number of lanes to use
+EP mode:
+- num-ib-windows: number of inbound address translation
+        windows
+- num-ob-windows: number of outbound address translation
+        windows
 
 Optional properties:
-- num-viewport: number of view ports configured in hardware.  If a platform
-  does not specify it, the driver assumes 2.
 - num-lanes: number of lanes to use (this property should be specified unless
   the link is brought already up in BIOS)
 - reset-gpio: gpio pin number of power good signal
-- bus-range: PCI bus numbers covered (it is recommended for new devicetrees to
-  specify this property, to keep backwards compatibility a range of 0x00-0xff
-  is assumed if not present)
 - clocks: Must contain an entry for each entry in clock-names.
 	See ../clocks/clock-bindings.txt for details.
 - clock-names: Must include the following entries:
 	- "pcie"
 	- "pcie_bus"
+RC mode:
+- num-viewport: number of view ports configured in
+  hardware. If a platform does not specify it, the driver assumes 2.
+- bus-range: PCI bus numbers covered (it is recommended
+  for new devicetrees to specify this property, to keep backwards
+  compatibility a range of 0x00-0xff is assumed if not present)
+EP mode:
+- max-functions: maximum number of functions that can be
+  configured
 
 Example configuration:
 
-- 
2.11.0