linux-kernel - Re: [PATCH v2 0/4] J721E: Use external clock in EVM for SERDES

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Date:   Mon, 7 Jun 2021 20:08:16 +0530
From:   Aswath Govindraju <a-govindraju@...com>
To:     Kishon Vijay Abraham I <kishon@...com>, Nishanth Menon <nm@...com>,
        Tero Kristo <kristo@...nel.org>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Lokesh Vutla <lokeshvutla@...com>
Subject: Re: [PATCH v2 0/4] J721E: Use external clock in EVM for SERDES

On 03/06/21 8:04 pm, Kishon Vijay Abraham I wrote:
> 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.
> 
> Changes from v1:
> 1) Fixed clock names as suggested by Nishanth
> 2) Limit to < 100 lines
> 
> v1: http://lore.kernell.org/r/20210512151209.27560-1-kishon@ti.com
> 

For the whole series,

Reviewed-by: Aswath Govindraju <a-govindraju@...com>

Thanks,
Aswath

> 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     | 86 +++++++++++--------
>  2 files changed, 98 insertions(+), 40 deletions(-)
>