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Thu, 04 Apr 2019 12:56:34 -0700 From: Vidya Sagar To: , , , , , , , , , , , Subject: [PATCH V2 11/16] dt-bindings: PHY: P2U: Add Tegra 194 P2U block Date: Fri, 5 Apr 2019 01:24:38 +0530 Message-ID: <1554407683-31580-12-git-send-email-vidyas@nvidia.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1554407683-31580-1-git-send-email-vidyas@nvidia.com> References: <1554407683-31580-1-git-send-email-vidyas@nvidia.com> X-NVConfidentiality: public MIME-Version: 1.0 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nvidia.com; s=n1; t=1554407798; bh=SIp9XNiwggGxDOjLlfcaTWwFa8FUQzKSg2JvjGV8Aw0=; h=X-PGP-Universal:From:To:CC:Subject:Date:Message-ID:X-Mailer: In-Reply-To:References:X-NVConfidentiality:MIME-Version: Content-Type; b=ar3/lMoIWSeGal4wPKWCIKmAeQtsbRdnyCpfabl2PVDOKLA+IC5GMaoiSUmNqM9UO T84RcXKMkJI0cd/ws/l1sjkCJQP6vKqICSW4ZRqiybQ2l5Yk/FIqqWg3O2jfbbSGx5 bNRFV8+47VirlY1dSQX342mH4uX1cQVplsTlJX2igz60zZ40L0MO9cMxEmccQCRDrJ Zj31CSMZmA+5W/c4Pa3kTBMnT15JRjsOmrYQoHmXLqXKFxOqv7B7EDe2R8eO8J0iAd 5eurNLzGgZ59vMUmcSNcWH6UAhNDUCiBCRgBzfNIQfRImD1TQvSxY1kLDDzCuE3+01 csWDMBxsblDaw== X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190404_155638_645125_AB5951C2 X-CRM114-Status: GOOD ( 14.07 ) 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: devicetree@vger.kernel.org, mmaddireddy@nvidia.com, kthota@nvidia.com, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, vidyas@nvidia.com, linux-tegra@vger.kernel.org, linux-arm-kernel@lists.infradead.org, sagar.tv@gmail.com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add support for Tegra194 P2U (PIPE to UPHY) module block which is a glue module instantiated one for each PCIe lane between Synopsys Designware core based PCIe IP and Universal PHY block. --- Changes since [v1]: * This is a new patch in v2 series .../devicetree/bindings/phy/phy-tegra194-p2u.txt | 28 ++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt diff --git a/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt new file mode 100644 index 000000000000..baf037dfdf4c --- /dev/null +++ b/Documentation/devicetree/bindings/phy/phy-tegra194-p2u.txt @@ -0,0 +1,28 @@ +NVIDIA Tegra194 P2U binding + +Tegra194 has two PHY bricks namely HSIO (High Speed IO) and NVHS (NVIDIA High +Speed) each interfacing with 12 and 8 P2U instances respectively. +A P2U instance is a glue logic between Synopsys DesignWare Core PCIe IP's PIPE +interface and PHY of HSIO/NVHS bricks. Each P2U instance represents one PCIe +lane. + +Required properties: +- compatible: For Tegra19x, must contain "nvidia,tegra194-p2u". +- reg: Should be the physical address space and length of respective each P2U + instance. +- reg-names: Must include the entry "ctl". + +Required properties for PHY port node: +- #phy-cells: Defined by generic PHY bindings. Must be 0. + +Refer to phy/phy-bindings.txt for the generic PHY binding properties. + +Example: + +p2u_0: p2u@03e10000 { + compatible = "nvidia,tegra194-p2u"; + reg = <0x03e10000 0x10000>; + reg-names = "ctl"; + + #phy-cells = <0>; +}; -- 2.7.4 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel