MIME-Version: 1.0
In-Reply-To: <20170313213405.GX20572@atomide.com>
References: <1489423399-3824-1-git-send-email-bgolaszewski@baylibre.com>
 <1489423399-3824-3-git-send-email-bgolaszewski@baylibre.com> <20170313213405.GX20572@atomide.com>
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Date: Tue, 14 Mar 2017 16:01:47 +0100
Message-ID: <CAMpxmJW5f5foYbFv_FsQPibDamT4hCJSywnELdLmXpQg_oKohQ@mail.gmail.com>
Subject: Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference
 clock for SATA
To: Tony Lindgren <tony@atomide.com>
Cc: Rob Herring <robh+dt@kernel.org>, Mark Rutland <mark.rutland@arm.com>,
        Neil Armstrong <narmstrong@baylibre.com>,
        Michael Turquette <mturquette@baylibre.com>,
        Kevin Hilman <khilman@baylibre.com>,
        Patrick Titiano <ptitiano@baylibre.com>,
        Paul Walmsley <paul@pwsan.com>, linux-ide@vger.kernel.org,
        linux-devicetree <devicetree@vger.kernel.org>,
        LKML <linux-kernel@vger.kernel.org>,
        arm-soc <linux-arm-kernel@lists.infradead.org>,
        linux-omap@vger.kernel.org
Content-Type: text/plain; charset=UTF-8
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 655
Lines: 23

2017-03-13 22:34 GMT+01:00 Tony Lindgren <tony@atomide.com>:
> * Bartosz Golaszewski <bgolaszewski@baylibre.com> [170313 09:45]:
>> This board has an external oscillator supplying the reference clock
>> signal for SATA. Its rate is fixed at 100Mhz. Add a corresponding
>> device tree node.
>
> Is this the 100MHz clock from PCIe? Just like on dm814x-evm as noted
> in the workaround thread below:
>
> http://e2e.ti.com/support/dsp/davinci_digital_media_processors/f/716/p/181083/671141
>
> Regards,
>
> Tony
>

Hi Tony,

these signals come from a TI CDCM61002 (U30 on the board's
schematics). It's hardwired to 100mHZ output.

Thanks,
Bartosz Golaszewski