From: Kishon Vijay Abraham I <kishon@ti.com> To: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>, Rob Herring <robh+dt@kernel.org> Cc: <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Kishon Vijay Abraham I <kishon@ti.com>, Lokesh Vutla <lokeshvutla@ti.com> Subject: [PATCH 0/4] J721E: Use external clock in EVM for SERDES Date: Wed, 12 May 2021 20:42:05 +0530 [thread overview] Message-ID: <20210512151209.27560-1-kishon@ti.com> (raw) 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
WARNING: multiple messages have this Message-ID (diff)
From: Kishon Vijay Abraham I <kishon@ti.com> To: Nishanth Menon <nm@ti.com>, Tero Kristo <kristo@kernel.org>, Rob Herring <robh+dt@kernel.org> Cc: <linux-arm-kernel@lists.infradead.org>, <devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Kishon Vijay Abraham I <kishon@ti.com>, Lokesh Vutla <lokeshvutla@ti.com> Subject: [PATCH 0/4] J721E: Use external clock in EVM for SERDES Date: Wed, 12 May 2021 20:42:05 +0530 [thread overview] Message-ID: <20210512151209.27560-1-kishon@ti.com> (raw) 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
next reply other threads:[~2021-05-12 15:27 UTC|newest] Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-05-12 15:12 Kishon Vijay Abraham I [this message] 2021-05-12 15:12 ` [PATCH 0/4] J721E: Use external clock in EVM for SERDES Kishon Vijay Abraham I 2021-05-12 15:12 ` [PATCH 1/4] arm64: dts: ti: k3-j721e-main: Fix external refclk input to SERDES Kishon Vijay Abraham I 2021-05-12 15:12 ` Kishon Vijay Abraham I 2021-05-12 18:51 ` Nishanth Menon 2021-05-12 18:51 ` Nishanth Menon 2021-05-13 12:11 ` Kishon Vijay Abraham I 2021-05-13 12:11 ` Kishon Vijay Abraham I 2021-05-13 14:01 ` Nishanth Menon 2021-05-13 14:01 ` Nishanth Menon 2021-05-17 8:30 ` Kishon Vijay Abraham I 2021-05-17 8:30 ` Kishon Vijay Abraham I 2021-05-17 14:05 ` Nishanth Menon 2021-05-17 14:05 ` Nishanth Menon 2021-05-20 13:18 ` Kishon Vijay Abraham I 2021-05-20 13:18 ` Kishon Vijay Abraham I 2021-05-20 13:41 ` Nishanth Menon 2021-05-20 13:41 ` Nishanth Menon 2021-05-12 15:12 ` [PATCH 2/4] arm64: dts: ti: k3-j721e-main: Add #clock-cells property to serdes DT node Kishon Vijay Abraham I 2021-05-12 15:12 ` Kishon Vijay Abraham I 2021-05-12 15:12 ` [PATCH 3/4] arm64: dts: ti: k3-j721e-common-proc-board: Use external clock for SERDES Kishon Vijay Abraham I 2021-05-12 15:12 ` Kishon Vijay Abraham I 2021-05-12 15:12 ` [PATCH 4/4] arm64: dts: ti: k3-j721e-common-proc-board: Re-name "link" name as "phy" Kishon Vijay Abraham I 2021-05-12 15:12 ` Kishon Vijay Abraham I
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