From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752907AbdBCXOa (ORCPT ); Fri, 3 Feb 2017 18:14:30 -0500 Received: from mail-yb0-f193.google.com ([209.85.213.193]:34769 "EHLO mail-yb0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752818AbdBCXO2 (ORCPT ); Fri, 3 Feb 2017 18:14:28 -0500 MIME-Version: 1.0 In-Reply-To: <20170204000615.4417940f@jawa> References: <1486135491-14223-1-git-send-email-lukma@denx.de> <1486135491-14223-2-git-send-email-lukma@denx.de> <20170204000615.4417940f@jawa> From: Nishanth Menon Date: Fri, 3 Feb 2017 17:14:27 -0600 X-Google-Sender-Auth: cdK0vbIfICnVq68Zmf2rtrB8O5U Message-ID: Subject: Re: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz SoC operation To: Lukasz Majewski Cc: Rob Herring , Mark Rutland , Tony Lindgren , =?UTF-8?Q?Beno=C3=AEt_Cousson?= , Russell King , Viresh Kumar , linux-omap , lkml , dt list , "linux-arm-kernel@lists.infradead.org" , Kishon Vijay Abraham I Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 3, 2017 at 5:06 PM, Lukasz Majewski wrote: [...] >> > + opp_high@1500000000 { >> > + opp-hz = /bits/ 64 <1500000000>; >> > + opp-microvolt = <1210000 950000 1250000>; >> > + }; >> > }; >> > >> > /* >> > >> Please keep this out of the way till we get the AVS class0 integrated >> in. devices wont be save at 1.5GHz without the opp powerdomain + AVS >> Class0 implementation. >> > > Yes, correct. My AM5728 works with this opp, but AM5718 hangs when this > frequency is enabled. Right, and if you leave it on for too long without avs class0, you might need a new silicon as well :( If you'd like to help, I saw Dave's response, it will be good if you can help us get the dependencies out of the way to enable 1.5G cleanly. -- --- Regards, Nishanth Menon From mboxrd@z Thu Jan 1 00:00:00 1970 From: nm@ti.com (Nishanth Menon) Date: Fri, 3 Feb 2017 17:14:27 -0600 Subject: [PATCH 2/2] DTS: dra7: Add "opp_high" opp node to support 1.5 GHz SoC operation In-Reply-To: <20170204000615.4417940f@jawa> References: <1486135491-14223-1-git-send-email-lukma@denx.de> <1486135491-14223-2-git-send-email-lukma@denx.de> <20170204000615.4417940f@jawa> Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Fri, Feb 3, 2017 at 5:06 PM, Lukasz Majewski wrote: [...] >> > + opp_high at 1500000000 { >> > + opp-hz = /bits/ 64 <1500000000>; >> > + opp-microvolt = <1210000 950000 1250000>; >> > + }; >> > }; >> > >> > /* >> > >> Please keep this out of the way till we get the AVS class0 integrated >> in. devices wont be save at 1.5GHz without the opp powerdomain + AVS >> Class0 implementation. >> > > Yes, correct. My AM5728 works with this opp, but AM5718 hangs when this > frequency is enabled. Right, and if you leave it on for too long without avs class0, you might need a new silicon as well :( If you'd like to help, I saw Dave's response, it will be good if you can help us get the dependencies out of the way to enable 1.5G cleanly. -- --- Regards, Nishanth Menon