From mboxrd@z Thu Jan 1 00:00:00 1970 From: Kishon Vijay Abraham I Subject: [RFC PATCH 27/40] dt-bindings: PCI: Document "atu" reg-names Date: Fri, 21 Sep 2018 15:51:42 +0530 Message-ID: <20180921102155.22839-28-kishon@ti.com> References: <20180921102155.22839-1-kishon@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <20180921102155.22839-1-kishon@ti.com> Sender: linux-kernel-owner@vger.kernel.org To: Jingoo Han , Joao Pinto , Bjorn Helgaas , Rob Herring , Lorenzo Pieralisi , Murali Karicheri , Kishon Vijay Abraham I , Gustavo.Pimentel@synopsys.com Cc: Mark Rutland , Santosh Shilimkar , Tero Kristo , Nishanth Menon , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org List-Id: devicetree@vger.kernel.org Document "atu" reg-names required to get the register space for ATU in Synopsys designware core version >= 4.80. Signed-off-by: Kishon Vijay Abraham I --- Documentation/devicetree/bindings/pci/designware-pcie.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index c124f9bc11f3..5561a1c060d0 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -4,8 +4,11 @@ Required properties: - compatible: "snps,dw-pcie" for RC mode; "snps,dw-pcie-ep" for EP mode; -- reg: Should contain the configuration address space. -- reg-names: Must be "config" for the PCIe configuration space. +- reg: For designware cores version < 4.80 contains the configuration + address space. For designware core version >= 4.80, contains + the configuration and ATU address space +- reg-names: Must be "config" for the PCIe configuration space and "atu" for + the ATU address 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 -- 2.17.1