From patchwork Tue Apr 26 19:32:51 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Fustini X-Patchwork-Id: 12827843 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7034BC433EF for ; Tue, 26 Apr 2022 19:33:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=DMEajDt00uSOSKHFMwqZJVURLdKnQ0wFUM6xtUnFQxE=; b=Uq40CHnjg8Fuc8 wwTnep/4q12Y1Ews4uxEEXIZN+Ie56kPRb+lZUyev+VSnk/QZolMpR2lk0SZ2HzWQ4j3MOG/TWkqs uL8WTC/sqhiE9lG26bDsiCIjZQQ1qUQ18ojvEDO8I/XLQpCjFF0end/p5WYlyVgNYsn6ZI4QDvpgC htLvfy1LioSVYAkBqDDR9kBMrYEkmyjzND6PhD2+fNH205ytvehmx35Ib0kn/uGXSyKQJBXsJaN1Y 8ZnaxcswoOGo6zDjLYkb0uR60MvFl169+1PWDJgEqhQRMdmkfpntwp/F+repXbXLcRGu5qeifnI1t ttMJvew9o02+YRCodZVA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1njQuw-00FxEN-JO; Tue, 26 Apr 2022 19:32:10 +0000 Received: from mail-pg1-x536.google.com ([2607:f8b0:4864:20::536]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1njQup-00FxBF-C1 for linux-arm-kernel@lists.infradead.org; Tue, 26 Apr 2022 19:32:04 +0000 Received: by mail-pg1-x536.google.com with SMTP id k14so16909187pga.0 for ; Tue, 26 Apr 2022 12:31:55 -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=z5yl8aZ0M21k3OX6E6i0ap2BT16TnvETTY9p274e2lg=; b=2WIxS6PxWiyeu2ndcbEl2EZtCRzBqwNIHGYQPaHu0lc2BcacDxsRHe0I9OZwAnG5Pg 3M7StS8yFDyGon93aRKGYC4VF+l7sg/+6JII5dT4p5/ZS27vH+lcmroHrjmN+h3egD/p cq5Bpwp6993z5OPwrn2E+VuZwWbULHedvXRoZ6NdWKo4fnWYL4jstQ97I4bDLs1Pd4Sj FvgRX/wwTG37SSZD3oN9OQx/qKt2U5EuOb0REC14B4eCNRk/zr0WTkRCOsBFr1ZGnEPw cGvYPdPk7CTBcqo+Us07XxVafQFapGWCbU0DRPbKRfjZp0X7NN8mHE04kZFfTVIgbOGO yLcw== 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=z5yl8aZ0M21k3OX6E6i0ap2BT16TnvETTY9p274e2lg=; b=waAyXH8mHHnALpMwJ+iFx4ZpL1s3TI5voOWByuTfqyQV3qoD0GHp3OvSHVzOkEYg9g 4OAb4xB13QXZ78BAJ8TbU6l1SLVqnGOhEEOREIeTr26E2286L0eh831uA2z4998davH3 X4u3L2woi8kTkTXb3qPhhtIxQtRj4M6AxOTnoABBlBvXnut4U744JaB4FLaY8IfX/Wj4 efAL3ulsNNiRzphgUcD47+1C0YYGF7lTbj2Bx8aGSgGVWrfGGjnnWXNqVaQ1LC84squK DBlZTPJae78U8+PrV7c4DqnamPN/OCKhvtmvsLRzKDz4KXpql3WQIk36a2Im9RlNQNoC GKKQ== X-Gm-Message-State: AOAM533Fd9ss57iwOqY+F5AHmm7pWvbLb79PL2asRX6qgiO/enBEhvdC X1wilN4SLqATp3Dnw0X6AweJsw== X-Google-Smtp-Source: ABdhPJwLkJCJ1P2NlcoH4pCc864NDETu5F7CS4lPytVpToX+pcL9DrEgjITjDRQu6xT1Iy4WQGWXew== X-Received: by 2002:a65:4108:0:b0:399:1f0e:50da with SMTP id w8-20020a654108000000b003991f0e50damr21435148pgp.2.1651001514833; Tue, 26 Apr 2022 12:31:54 -0700 (PDT) Received: from x1.hsd1.or.comcast.net ([2601:1c2:1001:7090:9bcd:e060:b370:70d8]) by smtp.gmail.com with ESMTPSA id v16-20020a62a510000000b0050759c9a891sm15793410pfm.6.2022.04.26.12.31.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Apr 2022 12:31:54 -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 v2 0/2] soc: ti: wkup_m3_ipc: support i2c voltage scaling Date: Tue, 26 Apr 2022 12:32:51 -0700 Message-Id: <20220426193253.663582-1-dfustini@baylibre.com> X-Mailer: git-send-email 2.32.0 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220426_123203_480433_97AD7D84 X-CRM114-Status: GOOD ( 12.24 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.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 'firmware-name' property which 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/ Changes from v1: - change 'ti,scale-data-fw' to 'firmware-name' - add 'firmware-name' property to the examples 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 | 12 +++ drivers/soc/ti/wkup_m3_ipc.c | 93 ++++++++++++++++++- include/linux/wkup_m3_ipc.h | 9 ++ 3 files changed, 113 insertions(+), 1 deletion(-)