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Tue, 5 Feb 2019 00:17:39 +0000 From: Trent Piepho To: "linux-pci@vger.kernel.org" Subject: [PATCH v2 1/3] dt-bindings: imx6q-pcie: Add description of imx7d pcie phy Thread-Topic: [PATCH v2 1/3] dt-bindings: imx6q-pcie: Add description of imx7d pcie phy Thread-Index: AQHUvOg0yfKeVdvB5EO36YCp85y+3Q== Date: Tue, 5 Feb 2019 00:17:39 +0000 Message-ID: <20190205001721.18639-2-tpiepho@impinj.com> References: <20190205001721.18639-1-tpiepho@impinj.com> In-Reply-To: <20190205001721.18639-1-tpiepho@impinj.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-clientproxiedby: BYAPR07CA0078.namprd07.prod.outlook.com (2603:10b6:a03:12b::19) To MWHPR0601MB3708.namprd06.prod.outlook.com (2603:10b6:301:7c::38) authentication-results: spf=none (sender IP is ) smtp.mailfrom=tpiepho@impinj.com; x-ms-exchange-messagesentrepresentingtype: 1 x-mailer: git-send-email 2.14.4 x-originating-ip: [216.207.205.253] x-ms-publictraffictype: Email x-microsoft-exchange-diagnostics: 1; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Lorenzo Pieralisi , Richard Zhu , Lucas Stach , Shawn Guo , "linux-arm-kernel@lists.infradead.org" , Trent Piepho Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP There is a separate PHY device with its own registers on imx7d. It's currently unused, but a PCIe erratum on imx7d will require it for the workaround. Signed-off-by: Trent Piepho Acked-by: Lucas Stach --- Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt index d514c1f2365f..f4933c8951bc 100644 --- a/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt +++ b/Documentation/devicetree/bindings/pci/fsl,imx6q-pcie.txt @@ -53,6 +53,7 @@ Additional required properties for imx7d-pcie: - "pciephy" - "apps" - "turnoff" +- fsl,imx7d-pcie-phy: A phandle to an fsl,imx7d-pcie-phy node. Example: @@ -79,3 +80,13 @@ Example: clocks = <&clks 144>, <&clks 206>, <&clks 189>; clock-names = "pcie", "pcie_bus", "pcie_phy"; }; + +* Freescale i.MX7d PCIe PHY + +This is the PHY associated with the IMX7d PCIe controller. It's used by the +PCI-e controller via the fsl,imx7d-pcie-phy phandle. + +Required properties: +- compatible: + - "fsl,imx7d-pcie-phy" +- reg: base address and length of the PCIe PHY controller