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From: Tony Lindgren <tony@atomide.com>
To: Bartosz Golaszewski <bgolaszewski@baylibre.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, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org
Subject: Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA
Date: Mon, 13 Mar 2017 14:34:06 -0700	[thread overview]
Message-ID: <20170313213405.GX20572@atomide.com> (raw)
In-Reply-To: <1489423399-3824-3-git-send-email-bgolaszewski@baylibre.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

> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
> ---
>  arch/arm/boot/dts/dm8168-evm.dts | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/dm8168-evm.dts b/arch/arm/boot/dts/dm8168-evm.dts
> index 0bf55fa..f13e214 100644
> --- a/arch/arm/boot/dts/dm8168-evm.dts
> +++ b/arch/arm/boot/dts/dm8168-evm.dts
> @@ -25,6 +25,12 @@
>  		regulator-min-microvolt = <3300000>;
>  		regulator-max-microvolt = <3300000>;
>  	};
> +
> +	sata_refclk: fixedclock0 {
> +		#clock-cells = <0>;
> +		compatible = "fixed-clock";
> +		clock-frequency = <100000000>;
> +	};
>  };
>  
>  &dm816x_pinmux {
> -- 
> 2.9.3
> 

  reply	other threads:[~2017-03-13 21:34 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-13 16:43 [PATCH 0/4] ARM: dm8168-evm: add SATA support Bartosz Golaszewski
2017-03-13 16:43 ` [PATCH 1/4] ARM: OMAP2+: dm81xx: Add clkdm and hwmod for SATA Bartosz Golaszewski
     [not found]   ` <1489423399-3824-2-git-send-email-bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2017-03-13 21:34     ` Kevin Hilman
     [not found] ` <1489423399-3824-1-git-send-email-bgolaszewski-rdvid1DuHRBWk0Htik3J/w@public.gmane.org>
2017-03-13 16:43   ` [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock " Bartosz Golaszewski
2017-03-13 21:34     ` Tony Lindgren [this message]
2017-03-14 15:01       ` Bartosz Golaszewski
2017-03-14 15:05         ` Tony Lindgren
2017-03-13 16:43 ` [PATCH 3/4] ARM: dts: dm8168-evm: add SATA node Bartosz Golaszewski
2017-03-13 21:15   ` Tony Lindgren
2017-03-14  9:00   ` Sergei Shtylyov
2017-03-13 16:43 ` [PATCH 4/4] ARM: omap2plus_defconfig: enable ahci-dm816 module Bartosz Golaszewski

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