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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A58DC433F5 for ; Mon, 25 Apr 2022 16:22:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S243343AbiDYQZa (ORCPT ); Mon, 25 Apr 2022 12:25:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56950 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S240823AbiDYQZ1 (ORCPT ); Mon, 25 Apr 2022 12:25:27 -0400 Received: from mail-oa1-f53.google.com (mail-oa1-f53.google.com [209.85.160.53]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 671BB71A25; Mon, 25 Apr 2022 09:22:22 -0700 (PDT) Received: by mail-oa1-f53.google.com with SMTP id 586e51a60fabf-e2442907a1so16580715fac.8; Mon, 25 Apr 2022 09:22:22 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to; bh=4CENEZKLdazSfBwTXd/Wd5rug0RnZCb0GE0cZM8DZsw=; b=IdR/kSsBa2TuG8roUhmM4ijt85cZP2kVzQgEM4YpqdxA44Qcuo4q6IleFXGbDCzdX3 8d/fSRMiH6EEWD/q+31ScR5fDILWJuSWEYf/e+ZW0B1mMwUNGm6Y5Sk1XOCKy+oIzA+j bIIC8a15VKLNfIA36840ch1iaoKCEuHzlwubvSwkBasoIyKCV3sOnS/d+foiwz98hnm3 RGYEZCjuPWmaKJMT2LUjMv6rHKTfFdIzwXnNj6y1UsY6FVnoJ+qqjZD1iGp8Gf+ZYYEY HeFYa3S+VWpwA+Z/dHuqYvD9pTICCelpH/dMpD0XyBrg/ndDp8osEmnRfXt/QsZslWDd l4gA== X-Gm-Message-State: AOAM533gqysl+HFiBhgLj0/kkCF8vHfuxJEloBMegFyNNgEJIQCV36hy Cv+KwMx9vZ5AJo/Fagp1+g== X-Google-Smtp-Source: ABdhPJyI/nEGtLPHWlc0Symt/VRUWTe4lUKlOBu98Q75GPEnylf//TQhRgBUI583eoUOFky3f9Ezxw== X-Received: by 2002:a05:6870:ac06:b0:e9:cba:68cc with SMTP id kw6-20020a056870ac0600b000e90cba68ccmr5631933oab.144.1650903741623; Mon, 25 Apr 2022 09:22:21 -0700 (PDT) Received: from robh.at.kernel.org (66-90-144-107.dyn.grandenetworks.net. [66.90.144.107]) by smtp.gmail.com with ESMTPSA id p17-20020a4a3651000000b0035d9b838f21sm4534439ooe.10.2022.04.25.09.22.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 25 Apr 2022 09:22:21 -0700 (PDT) Received: (nullmailer pid 3999297 invoked by uid 1000); Mon, 25 Apr 2022 16:22:20 -0000 Date: Mon, 25 Apr 2022 11:22:20 -0500 From: Rob Herring To: Drew Fustini Cc: Krzysztof Kozlowski , Nishanth Menon , Santosh Shilimkar , Dave Gerlach , Tony Lindgren , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Keerthy Subject: Re: [PATCH 1/2] dt-bindings: wkup-m3-ipc: Add ti,scale-data-fw property Message-ID: References: <20220425052806.484590-1-dfustini@baylibre.com> <20220425052806.484590-2-dfustini@baylibre.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20220425052806.484590-2-dfustini@baylibre.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, Apr 24, 2022 at 10:28:05PM -0700, Drew Fustini wrote: > From: Dave Gerlach > > Add documentation for ti,scale-data-fw property to enable I2C PMIC > voltage scaling during deep sleep. 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 from driver patch and convert to json-schema] > Signed-off-by: Drew Fustini > --- > .../devicetree/bindings/soc/ti/wkup-m3-ipc.yaml | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml b/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > index 88d690de050c..d2c248d82384 100644 > --- a/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > +++ b/Documentation/devicetree/bindings/soc/ti/wkup-m3-ipc.yaml > @@ -40,6 +40,12 @@ description: |+ > override the pin's existing bias (pull-up/pull-down) and value (high/low) when > IO isolation is active. > > + Support for I2C PMIC Voltage Scaling > + ==================================== > + It is possible to pass the name of a binary file to load into the CM3 memory. > + The binary data is the I2C sequences for the CM3 to send out to the PMIC > + during low power mode entry. > + > properties: > compatible: > enum: > @@ -67,6 +73,11 @@ properties: > mbox_wkupm3 child node. > maxItems: 1 > > + ti,scale-data-fw: > + $ref: /schemas/types.yaml#/definitions/string > + description: > + Name of the firmware binary in /lib/firmware to copy to CM3 aux data The location of firmware files is up to the OS. Is there other firmware? If not, 'firmware-name' is the somewhat standard property for this. What's the default name? > + > ti,vtt-gpio-pin: > $ref: /schemas/types.yaml#/definitions/uint32 > description: GPIO pin connected to enable pin on VTT regulator > -- > 2.32.0 > >