From patchwork Mon Apr 25 05:28:04 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Fustini X-Patchwork-Id: 565897 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 396A4C433EF for ; Mon, 25 Apr 2022 05:29:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241274AbiDYFcp (ORCPT ); Mon, 25 Apr 2022 01:32:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32948 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241271AbiDYFcn (ORCPT ); Mon, 25 Apr 2022 01:32:43 -0400 Received: from mail-pl1-x62e.google.com (mail-pl1-x62e.google.com [IPv6:2607:f8b0:4864:20::62e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 50DE625D1 for ; Sun, 24 Apr 2022 22:29:40 -0700 (PDT) Received: by mail-pl1-x62e.google.com with SMTP id j8so24519637pll.11 for ; Sun, 24 Apr 2022 22:29:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nPLRlhg/0lhN/HtGvqWRt3vnb6gZRPusJBT9A2ntz78=; b=jyi1xmYpZkLiZGkGd9LzZHTIwrlmTlU9iCMSgBIqLwgfHBXtnqbNElP/5aAyclgZF8 pjYUZKcxzkcRTjwsyUIsJT4roFZghk3VuyBJeDWhgkXjGVy8QYUvtPPcwO72rtLLeoCB Hfs8GSs3+MfccaeRUo4pJLZGu/q/FknFThDV3kQLOUHmDcZv9mPQxmPfyt80IrU/9+K8 0gc4kw4xRymizxo2Gn99Xjh9vRYXwgNrZGWPXC5QhZ4HOlopEn1jt68X0x9yR3Wl8cXs 8ooTmC7phAniOZTL/i73bc3vy3WERFk+ECw4GIOBsVi6qAxV/wKh4nDVXLo950ydj0cD 1Z+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=nPLRlhg/0lhN/HtGvqWRt3vnb6gZRPusJBT9A2ntz78=; b=cVUOs6IAvl/IXxGMFsh+U+zYRwl6Ojg9TQEbRzM97HUEgJgXmAnYo/vBrVhugH8mRD 3NeX+kvbD79/WEKljiglAeN2oEmt1vM+bqS1xYfj1h55kF61KFvztaMaIyNgV12n7jhB VKo+rS5wGwUf5kcN/DT3kpMx2SN+LBs4YIjJg2UwK+65vSixTpPU8E/gz0nwKb/WzA/w 9mN/Cxp5vcstVQrWrTCLMCWsbwQsc9riT6Y0yM4CdHhERXTxtKbMUfOoegni/9jz8cXm hIPcU0WTxOGV+oA0OMBzRAi17IGobZrHKaooIdzblvSwOHojLwkVMO59rqGeYl7m0aZ2 Ciuw== X-Gm-Message-State: AOAM532jpzmADwokWh28T2x3IJF8Qp7mAfnqV5qVQxqhBOju4JFVzniH LJUe6mkbnlvtERWUOv3pykgKhA== X-Google-Smtp-Source: ABdhPJynkCpqwEnze65m3HZVlYOWpkBQstjbUHKWCYdb9fXlmDc/uaiWvd+mtBce0dACBMBvb9RPaQ== X-Received: by 2002:a17:90b:1c01:b0:1d2:add6:805f with SMTP id oc1-20020a17090b1c0100b001d2add6805fmr18849931pjb.29.1650864579862; Sun, 24 Apr 2022 22:29:39 -0700 (PDT) Received: from x1.hsd1.or.comcast.net ([2601:1c2:1001:7090:237c:3672:1f2:b81c]) by smtp.gmail.com with ESMTPSA id 5-20020a631045000000b0039d942d18f0sm8282017pgq.48.2022.04.24.22.29.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Apr 2022 22:29:39 -0700 (PDT) From: Drew Fustini To: Rob Herring , Krzysztof Kozlowski , Nishanth Menon , Santosh Shilimkar , Dave Gerlach , Tony Lindgren Cc: devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Drew Fustini Subject: [PATCH 0/2] soc: ti: wkup_m3_ipc: support i2c voltage scaling Date: Sun, 24 Apr 2022 22:28:04 -0700 Message-Id: <20220425052806.484590-1-dfustini@baylibre.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Allow loading of a binary file containing i2c scaling sequences to be provided to the Cortex-M3 firmware in order to properly scale voltage rails on the PMIC during low power modes like DeepSleep0. The new 'ti,scale-data-fw' property contains the name of a binary file. A prerequisite for this series is: [PATCH v3 0/2] soc: ti: wkup_m3_ipc: Add support for IO Isolation https://lore.kernel.org/linux-devicetree/20220414192722.2978837-1-dfustini@baylibre.com/ Dave Gerlach (2): dt-bindings: wkup-m3-ipc: Add ti,scale-data-fw property soc: ti: wkup_m3_ipc: Add support for i2c voltage scaling .../bindings/soc/ti/wkup-m3-ipc.yaml | 11 +++ drivers/soc/ti/wkup_m3_ipc.c | 93 ++++++++++++++++++- include/linux/wkup_m3_ipc.h | 9 ++ 3 files changed, 112 insertions(+), 1 deletion(-)