From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,UNPARSEABLE_RELAY, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B773DC43387 for ; Mon, 7 Jan 2019 11:04:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 923372147C for ; Mon, 7 Jan 2019 11:04:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726956AbfAGLE1 (ORCPT ); Mon, 7 Jan 2019 06:04:27 -0500 Received: from mailgw01.mediatek.com ([210.61.82.183]:35703 "EHLO mailgw01.mediatek.com" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1726888AbfAGLE1 (ORCPT ); Mon, 7 Jan 2019 06:04:27 -0500 X-UUID: 3362d471a04d403cbb7a17bbe9257f95-20190107 X-UUID: 3362d471a04d403cbb7a17bbe9257f95-20190107 Received: from mtkexhb01.mediatek.inc [(172.21.101.102)] by mailgw01.mediatek.com (envelope-from ) (mhqrelay.mediatek.com ESMTP with TLS) with ESMTP id 160994866; Mon, 07 Jan 2019 19:04:16 +0800 Received: from mtkcas09.mediatek.inc (172.21.101.178) by mtkmbs02n2.mediatek.inc (172.21.101.101) with Microsoft SMTP Server (TLS) id 15.0.1395.4; Mon, 7 Jan 2019 19:04:14 +0800 Received: from [172.21.77.4] (172.21.77.4) by mtkcas09.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.0.1395.4 via Frontend Transport; Mon, 7 Jan 2019 19:04:14 +0800 Message-ID: <1546859054.6818.126.camel@mtksdaap41> Subject: Re: [RFC RESEND PATCH 2/7] dt-bindings: soc: Add opp table on scpsys bindings From: Henry Chen To: Rob Herring CC: Viresh Kumar , Stephen Boyd , Matthias Brugger , Ulf Hansson , Mark Rutland , Fan Chen , Weiyi Lu , James Liao , Kees Cook , "open list:THERMAL" , , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" , , "linux-kernel@vger.kernel.org" Date: Mon, 7 Jan 2019 19:04:14 +0800 In-Reply-To: References: <1546438198-1677-1-git-send-email-henryc.chen@mediatek.com> <1546438198-1677-3-git-send-email-henryc.chen@mediatek.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.10.4-0ubuntu2 MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-TM-SNTS-SMTP: 3D2415C0AEB49D232C6ED296E50AE70C96799812009A42BA4E753082113069E82000:8 X-MTK: N Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2019-01-03 at 12:45 -0600, Rob Herring wrote: > On Wed, Jan 2, 2019 at 8:10 AM Henry Chen wrote: > > > > Add opp table on scpsys dt-bindings for Mediatek SoC. > > > > Signed-off-by: Henry Chen > > --- > > Documentation/devicetree/bindings/opp/mtk-opp.txt | 24 +++++++++++++ > > .../devicetree/bindings/soc/mediatek/scpsys.txt | 42 ++++++++++++++++++++++ > > 2 files changed, 66 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/opp/mtk-opp.txt > > > > diff --git a/Documentation/devicetree/bindings/opp/mtk-opp.txt b/Documentation/devicetree/bindings/opp/mtk-opp.txt > > new file mode 100644 > > index 0000000..036be1c > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/opp/mtk-opp.txt > > @@ -0,0 +1,24 @@ > > +Mediatek OPP bindings to descibe OPP nodes with level values > > + > > +OPP tables for devices on Mediatek platforms require an additional > > +platform specific level value to be specified. > > +This value is passed on to the mediatek Power Management Unit by the > > +CPU, which then takes the necessary actions to set a voltage rail > > +to an appropriate voltage based on the value passed. > > + > > +The bindings are based on top of the operating-points-v2 bindings > > +described in Documentation/devicetree/bindings/opp/opp.txt > > +Additional properties are described below. > > + > > +* OPP Table Node > > + > > +Required properties: > > +- compatible: Allow OPPs to express their compatibility. It should be: > > + "operating-points-v2-mtk-level" > > + > > +* OPP Node > > + > > +Required properties: > > +- mtk,level: On Mediatek platforms an OPP node can describe a positive value > > +representing a level that's communicated with a our power management hardware > > +which then translates it into a certain voltage on a voltage rail. > > Work with the Qcom folks and create a common level property. > > Rob Ok, I see the reply from Rajendra on https://lore.kernel.org/patchwork/patch/1027082/ I will follow the new common property, thanks.