From patchwork Sat Feb 19 21:53:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Drew Fustini X-Patchwork-Id: 544349 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 D1BA5C4321E for ; Sat, 19 Feb 2022 21:55:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243204AbiBSV4Q (ORCPT ); Sat, 19 Feb 2022 16:56:16 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:55372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243209AbiBSV4N (ORCPT ); Sat, 19 Feb 2022 16:56:13 -0500 Received: from mail-pl1-x62d.google.com (mail-pl1-x62d.google.com [IPv6:2607:f8b0:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A1B3C54685 for ; Sat, 19 Feb 2022 13:55:49 -0800 (PST) Received: by mail-pl1-x62d.google.com with SMTP id ay3so1059539plb.1 for ; Sat, 19 Feb 2022 13:55:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20210112.gappssmtp.com; s=20210112; h=from:to:subject:date:message-id:in-reply-to:references:mime-version :content-transfer-encoding; bh=CHkmrYvj5o3Fvy+E5fMWk8LislxIdO58ETqj8OSQKGc=; b=cS7KyWnM1357k+YCng24Fih0jgFnP+ZaK0QNBtuh0U98ESMyakH971ptDSZAKHJSqr gQiK+13pz5YcRpIRf9RLWnb01Yt+oAM/vBAH9WkXJS+x7fXTEXqU/HwzvznPNZx7EI4D +9PAorOQjHodo/XaFAH5lcDpJhWbS9fIuC/nTZdVsB3+ZhVecVhmFBld6hrdzc7Z08ke fQDx3Ur74vXYAoaz2En6XXWMzLCckz49CRwjfPsLHdUgW1cjMiHVSdQ/O8z4tZFeoK7K 7cutFt6sV8FRaf/7DP3/fmsfpXwFAdjFcwX2NO2pM5m3+KqUrUrp7gMiMq9sX2EuHaAw bbaQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=CHkmrYvj5o3Fvy+E5fMWk8LislxIdO58ETqj8OSQKGc=; b=aa3XYHgTnnhgY6vVEyfBV13dspUIzes47ai8CAA0T3fKq0QxT1RYZEklEpwIOiTNLU 0Eqs4FmkRbqFEmeq+HG2tZbxoAknpDIEcb6JglwaO4qH3AfZsWytKw8+LB6QegYpgBhd z2GKhGjGxjj3rfFXLDJIhfyUSOyNV8YRcbLM1E9ut5gWCk0FrkS/acJ2d81ve6UnwIvq qhqt7a4nvaguvYi5ZVrbFQWzwsAw5/EfC7AryyP57BrjVkAewV/9jVYiR4MH0dlcYU+Z 88s5gJzj7OqZS3QabYLhwspJvDUQvgSRZ1D7/+CLM8EJ5761gjUoVGwuRExixFbI3fVG FPAg== X-Gm-Message-State: AOAM533WyHHnvOr2IxwGqVcKf+mOHT7CFE1uwzRHslbQJTFF7eOg5J39 TShYMF3OBkwNUSAhz07fyrd5qA== X-Google-Smtp-Source: ABdhPJwpaKlSS0zWq/DC5GlNZ7JnBiaOFnULT1QI8rhBXIzxuZrY1N+KNe6Y/5hmSg2nymovw4b1hg== X-Received: by 2002:a17:903:2311:b0:14e:eb4f:4559 with SMTP id d17-20020a170903231100b0014eeb4f4559mr13034737plh.138.1645307749017; Sat, 19 Feb 2022 13:55:49 -0800 (PST) Received: from x1.hsd1.or.comcast.net ([2601:1c2:1001:7090:31ab:1e81:9550:f30a]) by smtp.gmail.com with ESMTPSA id i17sm13447337pgn.82.2022.02.19.13.55.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 19 Feb 2022 13:55:48 -0800 (PST) From: Drew Fustini To: =?utf-8?q?Beno=C3=AEt_Cousson?= , Bjorn Andersson , Dave Gerlach , devicetree@vger.kernel.org, Drew Fustini , Keerthy , linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-omap@vger.kernel.org, linux-remoteproc@vger.kernel.org, Mathieu Poirier , Nishanth Menon , Rob Herring , Santosh Shilimkar , Tony Lindgren , s-anna@ti.com, khilman@baylibre.com Subject: [PATCH 07/11] dt-bindings: wkup_m3_ipc: Add scale-data-fw property Date: Sat, 19 Feb 2022 13:53:24 -0800 Message-Id: <20220219215328.485660-8-dfustini@baylibre.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220219215328.485660-1-dfustini@baylibre.com> References: <20220219215328.485660-1-dfustini@baylibre.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org From: Dave Gerlach Add documentation for scale-data-fw property on the wkup_m3_ipc node to enable I2C PMIC voltage scaling. The property contains the name of a binary file for the CM3 firmware to load. Based on previous work by Russ Dill. Signed-off-by: Dave Gerlach Signed-off-by: Keerthy [dfustini: split dt-binding change into separate patch] Signed-off-by: Drew Fustini --- .../devicetree/bindings/soc/ti/wkup_m3_ipc.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt b/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt index df6b600abf4c..01b78a9da943 100644 --- a/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt +++ b/Documentation/devicetree/bindings/soc/ti/wkup_m3_ipc.txt @@ -56,6 +56,17 @@ Example: }; }; +Support for I2C PMIC Voltage Scaling +-------------------- +It is possible to pass the name of a binary file to laod to the CM3 firmware +in order to provide I2C sequences for the CM3 to send out to the PMIC during +low power mode entry. + +Optional properties: +-------------------- +- scale-data-fw: Name of the firmware binary in /lib/firmware to copy to m3 + aux data. + Support for VTT Toggle ================================== In order to enable the support for VTT toggle during Suspend/Resume