From: tony@atomide.com (Tony Lindgren)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
>
next prev parent 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
2017-03-13 21:34 ` Kevin Hilman
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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