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From: Kishon Vijay Abraham I <kishon@ti.com>
To: Kishon Vijay Abraham I <kishon@ti.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Andrew Murray <andrew.murray@arm.com>,
	Tom Joseph <tjoseph@cadence.com>,
	Rob Herring <robh+dt@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
	Jingoo Han <jingoohan1@gmail.com>,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Heiko Stuebner <heiko@sntech.de>
Cc: <linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
	Jonathan Corbet <corbet@lwn.net>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	<linux-doc@vger.kernel.org>, <devicetree@vger.kernel.org>,
	<linux-rockchip@lists.infradead.org>,
	<linux-arm-kernel@lists.infradead.org>
Subject: [PATCH 2/7] dt-bindings: PCI: cadence: Add binding to specify max virtual functions
Date: Tue, 31 Dec 2019 17:05:29 +0530
Message-ID: <20191231113534.30405-3-kishon@ti.com> (raw)
In-Reply-To: <20191231113534.30405-1-kishon@ti.com>

Add binding to specify maximum number of virtual functions that can be
associated with each physical function.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 .../devicetree/bindings/pci/cdns,cdns-pcie-ep.txt         | 2 ++
 .../devicetree/bindings/pci/ti,j721e-pci-ep.yaml          | 8 ++++++++
 2 files changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
index 4a0475e2ba7e..432578202733 100644
--- a/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
+++ b/Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
@@ -9,6 +9,8 @@ Required properties:
 
 Optional properties:
 - max-functions: Maximum number of functions that can be configured (default 1).
+- max-virtual-functions: Maximum number of virtual functions that can be
+    associated with each physical function.
 - phys: From PHY bindings: List of Generic PHY phandles. One per lane if more
   than one in the list.  If only one PHY listed it must manage all lanes. 
 - phy-names:  List of names to identify the PHY.
diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
index 4621c62016c7..1d4964ba494f 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-ep.yaml
@@ -61,6 +61,12 @@ properties:
     minimum: 1
     maximum: 6
 
+  max-virtual-functions:
+    minItems: 1
+    maxItems: 6
+    description: As defined in
+                 Documentation/devicetree/bindings/pci/cdns,cdns-pcie-ep.txt
+
   dma-coherent:
     description: Indicates that the PCIe IP block can ensure the coherency
 
@@ -85,6 +91,7 @@ required:
   - cdns,max-outbound-regions
   - dma-coherent
   - max-functions
+  - max-virtual-functions
   - phys
   - phy-names
 
@@ -107,6 +114,7 @@ examples:
             clock-names = "fck";
             cdns,max-outbound-regions = <16>;
             max-functions = /bits/ 8 <6>;
+            max-virtual-functions = /bits/ 16 <4 4 4 4 0 0>;
             dma-coherent;
             phys = <&serdes0_pcie_link>;
             phy-names = "pcie_phy";
-- 
2.17.1


  parent reply index

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-31 11:35 [PATCH 0/7] Add SR-IOV support in PCIe Endpoint Core Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 1/7] Documentation: PCI: endpoint/pci-endpoint-cfs: Guide to use SR-IOV Kishon Vijay Abraham I
2019-12-31 11:35 ` Kishon Vijay Abraham I [this message]
2020-01-15  1:40   ` [PATCH 2/7] dt-bindings: PCI: cadence: Add binding to specify max virtual functions Rob Herring
2020-01-16 11:29     ` Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 3/7] PCI: endpoint: Add support to add virtual function in endpoint core Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 4/7] PCI: endpoint: Add support to link a physical function to a virtual function Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 5/7] PCI: endpoint: Add virtual function number in pci_epc ops Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 6/7] PCI: cadence: Add support to configure virtual functions Kishon Vijay Abraham I
2019-12-31 11:35 ` [PATCH 7/7] misc: pci_endpoint_test: Populate sriov_configure ops to configure SR-IOV device Kishon Vijay Abraham I

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