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Mon, 30 Mar 2020 08:40:45 -0700 (PDT) Subject: Re: [PATCH 3/5] dt-bindings: Document Loongson PCI Host Controller To: Jiaxun Yang , linux-mips@vger.kernel.org Cc: Bjorn Helgaas , Rob Herring , Thomas Bogendoerfer , Huacai Chen , Lorenzo Pieralisi , Andrew Murray , Paul Burton , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200330114239.1112759-1-jiaxun.yang@flygoat.com> <20200330114239.1112759-4-jiaxun.yang@flygoat.com> From: Sergei Shtylyov Organization: Cogent Embedded Message-ID: <8ef09434-45bd-3704-6ff6-7469ebe55a4f@cogentembedded.com> Date: Mon, 30 Mar 2020 18:40:43 +0300 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 MIME-Version: 1.0 In-Reply-To: <20200330114239.1112759-4-jiaxun.yang@flygoat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-MW Content-Transfer-Encoding: 7bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On 03/30/2020 02:42 PM, Jiaxun Yang wrote: > PCI host controller found on Loongson PCHs and SoCs. > > Signed-off-by: Jiaxun Yang > --- > .../devicetree/bindings/pci/loongson.yaml | 52 +++++++++++++++++++ > 1 file changed, 52 insertions(+) > create mode 100644 Documentation/devicetree/bindings/pci/loongson.yaml > > diff --git a/Documentation/devicetree/bindings/pci/loongson.yaml b/Documentation/devicetree/bindings/pci/loongson.yaml > new file mode 100644 > index 000000000000..623847980189 > --- /dev/null > +++ b/Documentation/devicetree/bindings/pci/loongson.yaml > @@ -0,0 +1,52 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/pci/loongson.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson PCI Host Controller > + > +maintainers: > + - Jiaxun Yang > + > +description: |+ > + PCI host controller found on Loongson PCHs and SoCs. > + > +allOf: > + - $ref: /schemas/pci/pci-bus.yaml# > + > +properties: > + compatible: > + oneOf: > + - const: loongson,rs780e-pci > + - const: loongson,ls7a-pci > + - const: loongson,ls2k-pci > + > + reg: > + minItems: 1 > + maxItems: 2 > + items: > + - description: CFG0 standard config space register > + - description: CFG1 extend config space register Extended? > + > + ranges: > + maxItems: 3 > + > + > +required: > + - compatible > + - reg > + - ranges > + > +examples: > + - | > + pci@1a000000 { > + compatible = "loongson,rs780e-pci"; > + device_type = "pci"; > + #address-cells = <3>; > + #size-cells = <2>; > + > + reg = <0x1a000000 0x2000000>; > + ranges = <0x02000000 0 0x40000000 0x40000000 0 0x40000000>; > + }; > +... MBR, Sergei