From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tero Kristo Subject: Re: [PATCH v2 5/6] ARM: AM43XX: HWMOD: Add rtc hwmod Date: Thu, 13 Aug 2015 09:39:10 +0300 Message-ID: <55CC3B8E.2090802@ti.com> References: <1439198906-31189-1-git-send-email-j-keerthy@ti.com> <1439198906-31189-6-git-send-email-j-keerthy@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Paul Walmsley , Keerthy 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 List-Id: linux-omap@vger.kernel.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 > > 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-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from devils.ext.ti.com (devils.ext.ti.com. [198.47.26.153]) by gmr-mx.google.com with ESMTPS id j6si138477igx.0.2015.08.12.23.38.17 for (version=TLSv1 cipher=RC4-SHA bits=128/128); Wed, 12 Aug 2015 23:38:17 -0700 (PDT) Message-ID: <55CC3B8E.2090802@ti.com> Date: Thu, 13 Aug 2015 09:39:10 +0300 From: Tero Kristo MIME-Version: 1.0 To: Paul Walmsley , Keerthy CC: , , , , , , , , , , , Subject: [rtc-linux] Re: [PATCH v2 5/6] ARM: AM43XX: HWMOD: Add rtc hwmod References: <1439198906-31189-1-git-send-email-j-keerthy@ti.com> <1439198906-31189-6-git-send-email-j-keerthy@ti.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Reply-To: rtc-linux@googlegroups.com List-ID: List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , 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 > > 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 > -- -- You received this message because you are subscribed to "rtc-linux". Membership options at http://groups.google.com/group/rtc-linux . Please read http://groups.google.com/group/rtc-linux/web/checklist before submitting a driver. --- You received this message because you are subscribed to the Google Groups "rtc-linux" group. To unsubscribe from this group and stop receiving emails from it, send an email to rtc-linux+unsubscribe@googlegroups.com. For more options, visit https://groups.google.com/d/optout.