Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F0C24C761A6 for ; Tue, 21 Mar 2023 16:38:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229916AbjCUQih (ORCPT ); Tue, 21 Mar 2023 12:38:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44558 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229668AbjCUQie (ORCPT ); Tue, 21 Mar 2023 12:38:34 -0400 Received: from fllv0016.ext.ti.com (fllv0016.ext.ti.com [198.47.19.142]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2E6493A86; Tue, 21 Mar 2023 09:38:32 -0700 (PDT) Received: from fllv0035.itg.ti.com ([10.64.41.0]) by fllv0016.ext.ti.com (8.15.2/8.15.2) with ESMTP id 32LGc0B1129243; Tue, 21 Mar 2023 11:38:00 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1679416680; bh=uyW0ma/g/TPpcz9cP3XZ4eMHjClm1JYyRJYyObimbRg=; h=From:To:CC:Subject:Date:References:In-Reply-To; b=TEpHALzKK4737cd+fev5B5J6JQaHQMk+tWpOOvSdWkkBlEnr4c4PSsLHKXOWJzzck Kd43hsjF7hkzFqtOW3gCaIYBzbtNwn7UBKzTM3pvDHzgCrDHRukL3D4OPupOLTxrPx O0MTJAvXeDv97FVNtLJWKvREJTv/eqNdjkJX5DVc= Received: from DFLE105.ent.ti.com (dfle105.ent.ti.com [10.64.6.26]) by fllv0035.itg.ti.com (8.15.2/8.15.2) with ESMTPS id 32LGbxa1067846 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Tue, 21 Mar 2023 11:37:59 -0500 Received: from DFLE114.ent.ti.com (10.64.6.35) by DFLE105.ent.ti.com (10.64.6.26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.2507.16; Tue, 21 Mar 2023 11:37:59 -0500 Received: from DFLE114.ent.ti.com ([fe80::bc90:ddd:2b87:4222]) by DFLE114.ent.ti.com ([fe80::bc90:ddd:2b87:4222%18]) with mapi id 15.01.2507.016; Tue, 21 Mar 2023 11:37:59 -0500 From: "Sterzik, Chris" To: Rob Herring , Julien Panis CC: "lee@kernel.org" , "krzysztof.kozlowski+dt@linaro.org" , "corbet@lwn.net" , "arnd@arndb.de" , "gregkh@linuxfoundation.org" , "derek.kiernan@xilinx.com" , "dragan.cvetic@xilinx.com" , "eric.auger@redhat.com" , "jgg@ziepe.ca" , "razor@blackwall.org" , "stephen@networkplumber.org" , "davem@davemloft.net" , "christian.koenig@amd.com" , "contact@emersion.fr" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-doc@vger.kernel.org" , "Kumar, Udit" , "eblanc@baylibre.com" , "jneanne@baylibre.com" Subject: RE: [EXTERNAL] Re: [PATCH v2 1/4] dt-bindings: mfd: Add TI TPS6594 PMIC Thread-Topic: [EXTERNAL] Re: [PATCH v2 1/4] dt-bindings: mfd: Add TI TPS6594 PMIC Thread-Index: AQHZW0Qu2zDSQUXVm0moss4cLgsF5K8FbWcw Date: Tue, 21 Mar 2023 16:37:59 +0000 Message-ID: References: <20230315110736.35506-1-jpanis@baylibre.com> <20230315110736.35506-2-jpanis@baylibre.com> <20230320155354.GB1733616-robh@kernel.org> In-Reply-To: <20230320155354.GB1733616-robh@kernel.org> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.249.38.185] x-exclaimer-md-config: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org >> + A multi-PMIC synchronization scheme is implemented in the PMIC de= vice >> + to synchronize the power state changes with other PMIC devices. T= his is >> + accomplished through a SPMI bus: the primary PMIC is the controll= er >> + device on the SPMI bus, and the secondary PMICs are the target de= vices >> + on the SPMI bus. > >Is this a TI specific feature? > This implementation of SPMI bus is a TI specific feature and is only suppor= ted between devices which have this specific implementation.