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Tue, 30 Mar 2021 08:08:20 -0700 (PDT) Received: from robh.at.kernel.org ([172.58.99.136]) by smtp.gmail.com with ESMTPSA id u7sm4467781ooq.13.2021.03.30.08.08.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Mar 2021 08:08:20 -0700 (PDT) Received: (nullmailer pid 312816 invoked by uid 1000); Tue, 30 Mar 2021 15:08:16 -0000 Date: Tue, 30 Mar 2021 10:08:16 -0500 From: Rob Herring To: Jim Quinlan Cc: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Mark Brown , bcm-kernel-feedback-list@broadcom.com, james.quinlan@broadcom.com, Florian Fainelli , Bjorn Helgaas , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , open list Subject: Re: [PATCH v3 1/6] dt-bindings: PCI: Add bindings for Brcmstb EP voltage regulators Message-ID: <20210330150816.GA306420@robh.at.kernel.org> References: <20210326191906.43567-1-jim2101024@gmail.com> <20210326191906.43567-2-jim2101024@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20210326191906.43567-2-jim2101024@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210330_160822_348831_1FFF0978 X-CRM114-Status: GOOD ( 17.30 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, Mar 26, 2021 at 03:18:59PM -0400, Jim Quinlan wrote: > Similar to the regulator bindings found in "rockchip-pcie-host.txt", this > allows optional regulators to be attached and controlled by the PCIe RC > driver. That being said, this driver searches in the DT subnode (the EP > node, eg pci@0,0) for the regulator property. > > The use of a regulator property in the pcie EP subnode such as > "vpcie12v-supply" depends on a pending pullreq to the pci-bus.yaml > file at > > https://github.com/devicetree-org/dt-schema/pull/54 > > Signed-off-by: Jim Quinlan > --- > Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > index f90557f6deb8..ea3e6f55e365 100644 > --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml > @@ -156,5 +156,11 @@ examples: > <0x42000000 0x1 0x80000000 0x3 0x00000000 0x0 0x80000000>; > brcm,enable-ssc; > brcm,scb-sizes = <0x0000000080000000 0x0000000080000000>; > + > + pcie-ep@0,0 { > + reg = <0x0 0x0 0x0 0x0 0x0>; > + compatible = "pci14e4,1688"; > + vpcie12v-supply: <&vreg12>; For other cases, these properties are in the host bridge node. If these are standard PCI rails, then I think that's where they belong unless we define slot nodes. Rob _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel