linux-kernel - Re: [PATCH 2/3] ARM: DRA7x: dts: Fix the 32kHz clock calculation

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Date:	Wed, 27 Apr 2016 22:47:39 +0300
From:	Tero Kristo <t-kristo@...com>
To:	"J.D. Schroeder" <Linux.HWI@...min.com>,
	<linux-kernel@...r.kernel.org>, <bcousson@...libre.com>,
	<tony@...mide.com>, <robh+dt@...nel.org>, <pawel.moll@....com>,
	<mark.rutland@....com>, <ijc+devicetree@...lion.org.uk>,
	<galak@...eaurora.org>, <linux@....linux.org.uk>,
	<linux-omap@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
CC:	"J.D. Schroeder" <jay.schroeder@...min.com>,
	"J, Keerthy" <j-keerthy@...com>
Subject: Re: [PATCH 2/3] ARM: DRA7x: dts: Fix the 32kHz clock calculation

On 27/04/16 17:06, J.D. Schroeder wrote:
> On 04/27/2016 06:40 AM, Tero Kristo wrote:
>> On 26/04/16 20:54, J.D. Schroeder wrote:
>>> This commit fixes the 32kHz clock (sys_32k_ck) calculation to be
>>> correctly based on the SYS_CLK1 (sys_clkin1) frequency. Based on the
>>> TRM CTRL_CORE_BOOTSTRAP[9:8] SPEEDSELECT, set by the SYSBOOT[9:8]
>>> board jumpers according to the SYS_CLK1 frequency, the frequency of
>>> the 32kHz FUNC_32K_CLK is set to SYS_CLK1/610. The following
>>> sys_32k_ck frequencies get used for different SYS_CLK1 frequencies:
>>>           0b00: Unknown  -> 32768 Hz crystal from CLKIN_32K pin
>>>           0b01: 20   MHz -> 32787 Hz clock (SYS_CLK1/610)
>>>           0b10: 27   MHz -> 44262 Hz clock (SYS_CLK1/610)
>>>           0b11: 19.2 MHz -> 31475 Hz clock (SYS_CLK1/610)
>>
>> A patch doing the same thing is already in mainline, see:
>>
>> commit eea08802f586acd6aef377d1b4a541821013cc0b
>> Author: Keerthy <j-keerthy@...com>
>> Date:   Mon Apr 4 11:07:15 2016 +0530
>>
>>      ARM: dts: dra7: Correct clock tree for sys_32k_ck
>>
>> So, this one can be ignored.
>
> My change had no issue when applying to the tip of master and I'm not seeing
> that SHA1 in mainline. Are you saying it is in another repo ready to be sent
> to mainline for the next release cycle?
>

The patch is merged already in 4.6-rc3.

Which repo / version are you using as baseline?

-Tero