linux-kernel - Re: [PATCH v3] ARM: dts: dra7: Correct clock tree for sys_32k

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Date:	Fri, 8 Apr 2016 09:00:34 -0700
From:	Tony Lindgren <tony@...mide.com>
To:	Keerthy <j-keerthy@...com>
Cc:	robh+dt@...nel.org, mark.rutland@....com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	lokeshvutla@...com, t-kristo@...com, linux-omap@...r.kernel.org
Subject: Re: [PATCH v3] ARM: dts: dra7: Correct clock tree for sys_32k_ck

* Keerthy <j-keerthy@...com> [160403 22:38]:
> This is w.r.t J6/J6eco: 32clk is pseudo (erratum i856) - clock source.
> Errata i856 for the AM572x (DRA7xx) points out that the 32.768KHz external
> crystal is not enabled at power up. Instead the CPU falls back to using
> an emulation for the 32KHz clock which is SYSCLK1/610.  SYSCLK1 is usually
> 20MHz on boards so far (which gives an emulated frequency of 32.786KHz)
> 
> Modelling the same in device tree.
> 
> Acked-by: Tero Kristo <t-kristo@...com>
> Signed-off-by: Keerthy <j-keerthy@...com>
> Signed-off-by: Lokesh Vutla <lokeshvutla@...com>
> ---
> Errata Document: http://www.ti.com/lit/er/sprz429h/sprz429h.pdf
> Errata number: i856
> 
> Tested the debugfs clock tree nodes on DRA7-EVM.
> 
> Changes in v3:
> 
>   Rebased to 4.6-rc2
>   Tested on top of omap-for-v4.6/fixes-rc1 branch and the patch applied
>   cleanly.

Thanks applying into omap-for-v4.6/fixes.

Tony