linux-kernel - Re: [PATCH] arm64: dts: imx8mp: add wdog2/3 nodes

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Message-ID: <CAOMZO5DDJ3746-sBFBuQBDxJqQZKP1BBZTG9Brn8WZBnbe7RJg@mail.gmail.com>
Date:   Sat, 6 Mar 2021 09:46:40 -0300
From:   Fabio Estevam <festevam@...il.com>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        NXP Linux Team <linux-imx@....com>,
        "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
        <linux-arm-kernel@...ts.infradead.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Peng Fan <peng.fan@....com>
Subject: Re: [PATCH] arm64: dts: imx8mp: add wdog2/3 nodes

Hi Peng,

On Sat, Mar 6, 2021 at 8:41 AM <peng.fan@....nxp.com> wrote:
>
> From: Peng Fan <peng.fan@....com>
>
> There is wdog[2,3] in i.MX8MP, so add them, all wdogs share the
> same clock root, so use the wdog1 clk here.

The patch looks good, but I don't understand this sentence where you
state that "all wdogs share the same clock root, so use the wdog1 clk
here."

wdog1 uses IMX8MP_CLK_WDOG1_ROOT
wdog2 uses IMX8MP_CLK_WDOG2_ROOT
wdog3 uses IMX8MP_CLK_WDOG3_ROOT

Please clarify.