Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > linux.kernel > #1599844

Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA

From Tony Lindgren <tony@atomide.com>
Newsgroups linux.kernel
Subject Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA
Date 2017-03-13 22:40 +0100
Message-ID <tkFR8-6IY-21@gated-at.bofh.it> (permalink)
References <tkBkt-3fs-3@gated-at.bofh.it> <tkBub-3kO-29@gated-at.bofh.it>
Organization linux.* mail to news gateway

Show all headers | View raw


* 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
> 

Back to linux.kernel | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

[PATCH 2/4] ARM: dts: dm8168-evm: add the external reference clock for SATA Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-13 18:00 +0100
  Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference  clock for SATA Tony Lindgren <tony@atomide.com> - 2017-03-13 22:40 +0100
    Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference  clock for SATA Tony Lindgren <tony@atomide.com> - 2017-03-14 16:10 +0100
    Re: [PATCH 2/4] ARM: dts: dm8168-evm: add the external reference  clock for SATA Bartosz Golaszewski <bgolaszewski@baylibre.com> - 2017-03-14 16:10 +0100

csiph-web