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From: Tero Kristo <t-kristo-l0cyMroinI0@public.gmane.org>
To: Paul Walmsley <paul-DWxLp4Yu+b8AvxtiuMwx3w@public.gmane.org>,
	Keerthy <j-keerthy-l0cyMroinI0@public.gmane.org>
Cc: tony-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org,
	linux-omap-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	pawel.moll-5wv7dgnIgG8@public.gmane.org,
	galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org,
	alexandre.belloni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org,
	akpm-de/tnXTf+JLsfHDXvbKv3WD2FQJk+8+b@public.gmane.org,
	johan-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org,
	grygorii.strashko-l0cyMroinI0@public.gmane.org,
	rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org,
	bcousson-rdvid1DuHRBWk0Htik3J/w@public.gmane.org,
	nm-l0cyMroinI0@public.gmane.org,
	devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [PATCH v2 5/6] ARM: AM43XX: HWMOD: Add rtc hwmod
Date: Thu, 13 Aug 2015 09:39:10 +0300	[thread overview]
Message-ID: <55CC3B8E.2090802@ti.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1508121434190.7154-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>

On 08/12/2015 05:39 PM, Paul Walmsley wrote:
> On Mon, 10 Aug 2015, Keerthy wrote:
>
>> The patch adds rtc hwmod. This is present on gp and sk evm and not on
>> epos evm. Hence adding it selectively using a seprate list.
>>
>> Signed-off-by: Keerthy <j-keerthy-l0cyMroinI0@public.gmane.org>
>
> So just to confirm, the RTC IP block has been physically removed or
> permanently disabled on these new AM438x chips?  So the registers are no
> longer accessible by the MPU?
>
> Is there a TRM available for these chips?

No public TRM available, as the SoC mostly contains secure environment 
support on them.

The RTC module is physically present on the SoC, but it is permanently 
disabled. A secure RTC is used instead on these devices, where needed.

-Tero

>
>
> - Paul
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
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>

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WARNING: multiple messages have this Message-ID (diff)
From: Tero Kristo <t-kristo@ti.com>
To: Paul Walmsley <paul@pwsan.com>, Keerthy <j-keerthy@ti.com>
Cc: <tony@atomide.com>, <linux-omap@vger.kernel.org>,
	<pawel.moll@arm.com>, <galak@codeaurora.org>,
	<alexandre.belloni@free-electrons.com>,
	<akpm@linux-foundation.org>, <johan@kernel.org>,
	<grygorii.strashko@ti.com>, <rtc-linux@googlegroups.com>,
	<bcousson@baylibre.com>, <nm@ti.com>,
	<devicetree@vger.kernel.org>
Subject: [rtc-linux] Re: [PATCH v2 5/6] ARM: AM43XX: HWMOD: Add rtc hwmod
Date: Thu, 13 Aug 2015 09:39:10 +0300	[thread overview]
Message-ID: <55CC3B8E.2090802@ti.com> (raw)
In-Reply-To: <alpine.DEB.2.02.1508121434190.7154@utopia.booyaka.com>

On 08/12/2015 05:39 PM, Paul Walmsley wrote:
> On Mon, 10 Aug 2015, Keerthy wrote:
>
>> The patch adds rtc hwmod. This is present on gp and sk evm and not on
>> epos evm. Hence adding it selectively using a seprate list.
>>
>> Signed-off-by: Keerthy <j-keerthy@ti.com>
>
> So just to confirm, the RTC IP block has been physically removed or
> permanently disabled on these new AM438x chips?  So the registers are no
> longer accessible by the MPU?
>
> Is there a TRM available for these chips?

No public TRM available, as the SoC mostly contains secure environment 
support on them.

The RTC module is physically present on the SoC, but it is permanently 
disabled. A secure RTC is used instead on these devices, where needed.

-Tero

>
>
> - Paul
> --
> To unsubscribe from this list: send the line "unsubscribe linux-omap" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>

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  parent reply	other threads:[~2015-08-13  6:39 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-10  9:28 [PATCH v2 0/6] ARM: AM4372: Enable RTC Keerthy
2015-08-10  9:28 ` [rtc-linux] " Keerthy
     [not found] ` <1439198906-31189-1-git-send-email-j-keerthy-l0cyMroinI0@public.gmane.org>
2015-08-10  9:28   ` [PATCH v2 1/6] ARM: dts: AM43XX: Add clk_32k_rtc node Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy
2015-08-10  9:28   ` [PATCH v2 2/6] rtc: omap: Add external clock enabling support Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy
     [not found]     ` <1439198906-31189-3-git-send-email-j-keerthy-l0cyMroinI0@public.gmane.org>
2015-08-11 14:00       ` Alexandre Belloni
2015-08-11 14:00         ` [rtc-linux] " Alexandre Belloni
2015-08-12 14:27       ` Paul Walmsley
2015-08-12 14:27         ` [rtc-linux] " Paul Walmsley
     [not found]         ` <alpine.DEB.2.02.1508121422020.7154-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2015-08-12 19:08           ` Keerthy
2015-08-12 19:08             ` [rtc-linux] " Keerthy
     [not found]             ` <55CB99C2.7010007-l0cyMroinI0@public.gmane.org>
2015-08-12 20:16               ` Alexandre Belloni
2015-08-12 20:16                 ` [rtc-linux] " Alexandre Belloni
     [not found]                 ` <20150812201636.GJ3411-m++hUPXGwpdeoWH0uzbU5w@public.gmane.org>
2015-08-13 20:17                   ` Paul Walmsley
2015-08-13 20:17                     ` [rtc-linux] " Paul Walmsley
     [not found]                     ` <alpine.DEB.2.02.1508131822510.1009-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2015-08-14  4:55                       ` Keerthy
2015-08-14  4:55                         ` [rtc-linux] " Keerthy
2015-08-14  8:29                       ` Alexandre Belloni
2015-08-14  8:29                         ` [rtc-linux] " Alexandre Belloni
2015-08-10  9:28   ` [PATCH v2 3/6] ARM: AM43xx: Introduce a separate soc_is function for am438x series of SoCs Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy
     [not found]     ` <1439198906-31189-4-git-send-email-j-keerthy-l0cyMroinI0@public.gmane.org>
2015-08-11 12:55       ` Tony Lindgren
2015-08-11 12:55         ` [rtc-linux] " Tony Lindgren
     [not found]         ` <20150811125515.GN4215-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-08-11 17:54           ` Keerthy
2015-08-11 17:54             ` [rtc-linux] " Keerthy
     [not found]             ` <55CA36D2.3080509-l0cyMroinI0@public.gmane.org>
2015-08-12  8:37               ` Tony Lindgren
2015-08-12  8:37                 ` [rtc-linux] " Tony Lindgren
     [not found]                 ` <20150812083718.GS4215-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-08-13  6:59                   ` Keerthy
2015-08-13  6:59                     ` [rtc-linux] " Keerthy
2015-08-13  9:04                   ` Keerthy
2015-08-13  9:04                     ` [rtc-linux] " Keerthy
     [not found]                     ` <55CC5DB4.7040704-l0cyMroinI0@public.gmane.org>
2015-08-13  9:59                       ` Tony Lindgren
2015-08-13  9:59                         ` [rtc-linux] " Tony Lindgren
2015-08-10  9:28   ` [PATCH v2 4/6] ARM: dts: am43x-epos-evm: Add the am438 compatible string Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy
2015-08-10  9:28   ` [PATCH v2 5/6] ARM: AM43XX: HWMOD: Add rtc hwmod Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy
     [not found]     ` <1439198906-31189-6-git-send-email-j-keerthy-l0cyMroinI0@public.gmane.org>
2015-08-12 14:39       ` Paul Walmsley
2015-08-12 14:39         ` [rtc-linux] " Paul Walmsley
     [not found]         ` <alpine.DEB.2.02.1508121434190.7154-rwI8Ez+7Ko+d5PgPZx9QOdBPR1lH4CV8@public.gmane.org>
2015-08-13  6:39           ` Tero Kristo [this message]
2015-08-13  6:39             ` Tero Kristo
2015-08-10  9:28   ` [PATCH v2 6/6] ARM: dts: AM437X-GP-EVM: Enable rtc Keerthy
2015-08-10  9:28     ` [rtc-linux] " Keerthy

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