From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I 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> References: <20191231113534.30405-1-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20191231113534.30405-1-kishon@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Kishon Vijay Abraham I , Lorenzo Pieralisi , Bjorn Helgaas , Andrew Murray , Tom Joseph , Rob Herring , Arnd Bergmann , Jingoo Han , Gustavo Pimentel , Shawn Lin , Heiko Stuebner Cc: linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Corbet , Greg Kroah-Hartman , linux-doc@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org List-Id: linux-rockchip.vger.kernel.org Add binding to specify maximum number of virtual functions that can be associated with each physical function. Signed-off-by: Kishon Vijay Abraham I --- .../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