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Wed, 12 May 2021 10:12:14 -0500 Received: from a0393678-ssd.dhcp.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by fllv0040.itg.ti.com (8.15.2/8.15.2) with ESMTP id 14CFCAIm005491; Wed, 12 May 2021 10:12:10 -0500 From: Kishon Vijay Abraham I To: Nishanth Menon , Tero Kristo , Rob Herring CC: , , , Kishon Vijay Abraham I , Lokesh Vutla Subject: [PATCH 0/4] J721E: Use external clock in EVM for SERDES Date: Wed, 12 May 2021 20:42:05 +0530 Message-ID: <20210512151209.27560-1-kishon@ti.com> X-Mailer: git-send-email 2.17.1 MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210512_081216_406475_43FDCFCE X-CRM114-Status: UNSURE ( 7.54 ) X-CRM114-Notice: Please train this message. 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 J721E EVM has clock generator that feeds both to the SERDES and to the PCIe slot present in the EVM. In order to use common reference clock on either side of the link, configure SERDES to use external reference clock. Previously SERDES used internal reference clock and the attached device used clock from clock generator in the EVM. Kishon Vijay Abraham I (4): arm64: dts: ti: k3-j721e-main: Fix external refclk input to SERDES arm64: dts: ti: k3-j721e-main: Add #clock-cells property to serdes DT node arm64: dts: ti: k3-j721e-common-proc-board: Use external clock for SERDES arm64: dts: ti: k3-j721e-common-proc-board: Re-name "link" name as "phy" .../dts/ti/k3-j721e-common-proc-board.dts | 52 ++++++++++++- arch/arm64/boot/dts/ti/k3-j721e-main.dtsi | 78 ++++++++++--------- 2 files changed, 90 insertions(+), 40 deletions(-) -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel