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From: Fabio Estevam <festevam@gmail.com>
To: Andy Duan <fugang.duan@nxp.com>
Cc: Sven Van Asbroeck <thesven73@gmail.com>,
	Shawn Guo <shawnguo@kernel.org>, Rob Herring <robh+dt@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>, netdev <netdev@vger.kernel.org>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
	<devicetree@vger.kernel.org>,
	Sascha Hauer <s.hauer@pengutronix.de>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	dl-linux-imx <linux-imx@nxp.com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" 
	<linux-arm-kernel@lists.infradead.org>,
	linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [EXT] Re: [PATCH v5 3/3] ARM: imx6plus: optionally enable internal routing of clk_enet_ref
Date: Mon, 6 Jul 2020 10:46:24 -0300	[thread overview]
Message-ID: <CAOMZO5ATv9o197pH4O-7DV-ftsP7gGVuF1+r-sGd2j44x+n-Ug@mail.gmail.com> (raw)
In-Reply-To: <AM6PR0402MB36073F63D2DE2646B4F71081FF690@AM6PR0402MB3607.eurprd04.prod.outlook.com>

On Mon, Jul 6, 2020 at 2:30 AM Andy Duan <fugang.duan@nxp.com> wrote:
>
> From: Sven Van Asbroeck <thesven73@gmail.com> Sent: Sunday, July 5, 2020 11:34 PM
> >
> >   ext phy---------| \
> >                   |  |
> >   enet_ref-o------|M |----pad------| \
> >            |      |_/              |  |
> >            |                       |M |----mac_gtx
> >            |                       |  |
> >            o-----------------------|_/
> >
> >
> > How do we tell the clock framework that clk_pad has a mux that can be
> > connected to _any_ external clock? and also enet_ref?
>
> The clock depends on board design, HW refer guide can describe the clk
> usage in detail and customer select one clk path as their board design.
>
> To make thing simple, we can just control the second "M" that is controlled
> by gpr bit.

Would it make sense to use compatible = "mmio-mux"; like we do on
imx7s, imx6qdl.dtsi and imx8mq.dtsi?

  reply	other threads:[~2020-07-06 13:46 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-02 17:53 [PATCH v5 1/3] ARM: imx: mach-imx6q: Search for fsl,imx6q-iomuxc-gpr earlier Sven Van Asbroeck
2020-07-02 17:53 ` [PATCH v5 2/3] dt-bindings: fec: add fsl,ptpclk-bypass-pad boolean property Sven Van Asbroeck
2020-07-02 17:53 ` [PATCH v5 3/3] ARM: imx6plus: optionally enable internal routing of clk_enet_ref Sven Van Asbroeck
2020-07-02 22:29   ` Fabio Estevam
2020-07-03  0:50     ` Sven Van Asbroeck
2020-07-03  2:01       ` [EXT] " Andy Duan
2020-07-04 14:08     ` Sven Van Asbroeck
2020-07-05 14:45       ` [EXT] " Andy Duan
2020-07-05 15:34         ` Sven Van Asbroeck
2020-07-06  5:30           ` Andy Duan
2020-07-06 13:46             ` Fabio Estevam [this message]
2020-07-06 14:58               ` Sven Van Asbroeck
2020-07-06 14:59                 ` Sven Van Asbroeck
2020-07-07  3:38                   ` Andy Duan
2020-07-07 15:21                     ` Sven Van Asbroeck
2020-07-08  5:16                       ` Andy Duan
2020-07-06 14:53             ` Sven Van Asbroeck

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