From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Return-Path: Date: Mon, 29 Apr 2019 19:40:51 -0500 From: Rob Herring Subject: Re: [PATCH v2 2/8] dt-bindings: remoteproc: add bindings for stm32 remote processor driver Message-ID: <20190430004051.GA7391@bogus> References: <1555426699-5340-1-git-send-email-fabien.dessenne@st.com> <1555426699-5340-3-git-send-email-fabien.dessenne@st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1555426699-5340-3-git-send-email-fabien.dessenne@st.com> To: Fabien Dessenne Cc: Mark Rutland , Maxime Coquelin , Alexandre Torgue , Ohad Ben-Cohen , Bjorn Andersson , devicetree@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-remoteproc@vger.kernel.org, Loic Pallardy , Arnaud Pouliquen , Ludovic Barre , Benjamin Gaignard List-ID: On Tue, Apr 16, 2019 at 04:58:13PM +0200, Fabien Dessenne wrote: > Add the device tree bindings document for the stm32 remoteproc devices. > > Signed-off-by: Fabien Dessenne > --- > .../devicetree/bindings/remoteproc/stm32-rproc.txt | 64 ++++++++++++++++++++++ > 1 file changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > > diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > new file mode 100644 > index 0000000..430132c > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > @@ -0,0 +1,64 @@ > +STMicroelectronics STM32 Remoteproc > +----------------------------------- > +This document defines the binding for the remoteproc component that loads and > +boots firmwares on the ST32MP family chipset. > + > +Required properties: > +- compatible: Must be "st,stm32mp1-m4" > +- reg: Address ranges of the remote processor dedicated memories. > + The parent node should provide an appropriate ranges property > + for properly translating these into bus addresses. dma-ranges, but that's independent of 'reg'. It needs to list how many reg regions and what they are. > +- resets: Reference to a reset controller asserting the remote processor. > +- st,syscfg-holdboot: Reference to the system configuration which holds the > + remote processor reset hold boot > + 1st cell: phandle of syscon block > + 2nd cell: register offset containing the hold boot setting > + 3rd cell: register bitmask for the hold boot field > +- st,syscfg-tz: Reference to the system configuration which holds the RCC trust > + zone mode > + 1st cell: phandle to syscon block > + 2nd cell: register offset containing the RCC trust zone mode setting > + 3rd cell: register bitmask for the RCC trust zone mode bit > + > +Optional properties: > +- interrupts: Should contain the watchdog interrupt > +- mboxes: This property is required only if the rpmsg/virtio functionality > + is used. List of phandle and mailbox channel specifiers: > + - a channel (a) used to communicate through virtqueues with the > + remote proc. > + Bi-directional channel: > + - from local to remote = send message > + - from remote to local = send message ack > + - a channel (b) working the opposite direction of channel (a) > + - a channel (c) used by the local proc to notify the remote proc > + that it is about to be shut down. > + Unidirectional channel: > + - from local to remote, where ACK from the remote means > + that it is ready for shutdown > +- mbox-names: This property is required if the mboxes property is used. > + - must be "vq0" for channel (a) > + - must be "vq1" for channel (b) > + - must be "shutdown" for channel (c) > +- memory-region: List of phandles to the reserved memory regions associated with > + the remoteproc device. This is variable and describes the > + memories shared with the remote processor (eg: remoteproc > + firmware and carveouts, rpmsg vrings, ...). > + (see ../reserved-memory/reserved-memory.txt) > +- st,syscfg-pdds: Reference to the system configuration which holds the remote > + processor deep sleep setting > + 1st cell: phandle to syscon block > + 2nd cell: register offset containing the deep sleep setting > + 3rd cell: register bitmask for the deep sleep bit > +- auto_boot: If defined, when remoteproc is probed, it loads the default > + firmware and starts the remote processor. st,auto-boot > + > +Example: > + m4_rproc: m4@0 { > + compatible = "st,stm32mp1-m4"; > + reg = <0x00000000 0x10000>, > + <0x10000000 0x40000>, > + <0x30000000 0x40000>; > + resets = <&rcc MCU_R>; > + st,syscfg-holdboot = <&rcc 0x10C 0x1>; > + st,syscfg-tz = <&rcc 0x000 0x1>; > + }; > -- > 2.7.4 > 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 X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS, URIBL_BLOCKED,USER_AGENT_MUTT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D722DC43219 for ; Tue, 30 Apr 2019 00:40:57 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A669121655 for ; Tue, 30 Apr 2019 00:40:57 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="nqLoG5nV" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A669121655 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References: Message-ID:Subject:To:From:Date:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=uXSvmFoo0RPC6svN7hfAU63KrKryBBdcnbhEx0J42zo=; b=nqLoG5nVXFopl6 ueOr9d+9mUwDO3HamSR2LUneJ8Bd3QAV+W+GIK8JJvRnbhnZzPZAIHMQpkmYutgSCwoIdCVAE/60g Olh6e59d4RHMR5mosdj9Dd3/QM/NTMHqwYVgtNDa+7AijbckDvklRU/zR11mEuZW0y8tFXfwb22ZK Q8YNtzNLBnhTuCV1fUq8zX6GWiv+Uv/NaGuEyhisOS7INpD/daT5efEwJycuUZpijf1Lw6RHw3+a1 Qc+xvOtslfdu5RJYQENnJs87pnoxBXTmx8jiq5/hA5Y6qCoRdiOiSe4VTMogt+lDX7o5Y40MIUrYS G0ulJVc6tWVlSrwVn4dA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLGpM-0005js-O7; Tue, 30 Apr 2019 00:40:56 +0000 Received: from mail-oi1-f195.google.com ([209.85.167.195]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hLGpJ-0005jW-OC for linux-arm-kernel@lists.infradead.org; Tue, 30 Apr 2019 00:40:55 +0000 Received: by mail-oi1-f195.google.com with SMTP id v23so9733942oif.8 for ; Mon, 29 Apr 2019 17:40:53 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=O9Iv2ifY4GsmV3xCWRy9UVgazV3TsrIbtMu5jqaQZhI=; b=moMyuyleA0xPE74mETlgZzKfsboK4pIp6hrL7QPHItp5f0Q47QbwThVgJ62kFGrxYB ayqL0RrjWYYNCNSvX6AnjIvUw9a7wl+ygsLpt0YcmpI6+AwoVTQVoxb0MRZ4nABj2b/a bWAvToLH+Qle5q6NnqLgx/fpRb0NcylLRlbUdTq80poOuBdnzZ1wAqfkSa0RccaDSnwt 08ioQeGXfMMM+CLeKhioaQI6ejst4fnZ6df2oksB6N4eOlx2U/7SOEzUvsj2ZzAdEPMs vgMeogojjT4/MST9/k1C47rijE0ig5o2yCCARY5C1gGRs8ToYZlCx3vb55yhq6eD5L0s MGRw== X-Gm-Message-State: APjAAAVRoWCPqfCUvWEo5QwVu2UGnWZuPXBsHDR6x2Z2GIBKRzIry5EI HOV55hcCwg7+ojnfqXyyrw== X-Google-Smtp-Source: APXvYqwW5hh4WHQNcZx2ZksEDdkJIORlNN4TTBlJnzXoGja1o5FdA+MCwncVj6Y4QcnHR11jUvZouA== X-Received: by 2002:aca:5fc4:: with SMTP id t187mr1302241oib.18.1556584852646; Mon, 29 Apr 2019 17:40:52 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id k65sm14951243oia.16.2019.04.29.17.40.51 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Mon, 29 Apr 2019 17:40:51 -0700 (PDT) Date: Mon, 29 Apr 2019 19:40:51 -0500 From: Rob Herring To: Fabien Dessenne Subject: Re: [PATCH v2 2/8] dt-bindings: remoteproc: add bindings for stm32 remote processor driver Message-ID: <20190430004051.GA7391@bogus> References: <1555426699-5340-1-git-send-email-fabien.dessenne@st.com> <1555426699-5340-3-git-send-email-fabien.dessenne@st.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <1555426699-5340-3-git-send-email-fabien.dessenne@st.com> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190429_174053_786574_B603329E X-CRM114-Status: GOOD ( 23.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , Ohad Ben-Cohen , Alexandre Torgue , Loic Pallardy , devicetree@vger.kernel.org, Arnaud Pouliquen , linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Ludovic Barre , Maxime Coquelin , linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, Benjamin Gaignard Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Tue, Apr 16, 2019 at 04:58:13PM +0200, Fabien Dessenne wrote: > Add the device tree bindings document for the stm32 remoteproc devices. > > Signed-off-by: Fabien Dessenne > --- > .../devicetree/bindings/remoteproc/stm32-rproc.txt | 64 ++++++++++++++++++++++ > 1 file changed, 64 insertions(+) > create mode 100644 Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > > diff --git a/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > new file mode 100644 > index 0000000..430132c > --- /dev/null > +++ b/Documentation/devicetree/bindings/remoteproc/stm32-rproc.txt > @@ -0,0 +1,64 @@ > +STMicroelectronics STM32 Remoteproc > +----------------------------------- > +This document defines the binding for the remoteproc component that loads and > +boots firmwares on the ST32MP family chipset. > + > +Required properties: > +- compatible: Must be "st,stm32mp1-m4" > +- reg: Address ranges of the remote processor dedicated memories. > + The parent node should provide an appropriate ranges property > + for properly translating these into bus addresses. dma-ranges, but that's independent of 'reg'. It needs to list how many reg regions and what they are. > +- resets: Reference to a reset controller asserting the remote processor. > +- st,syscfg-holdboot: Reference to the system configuration which holds the > + remote processor reset hold boot > + 1st cell: phandle of syscon block > + 2nd cell: register offset containing the hold boot setting > + 3rd cell: register bitmask for the hold boot field > +- st,syscfg-tz: Reference to the system configuration which holds the RCC trust > + zone mode > + 1st cell: phandle to syscon block > + 2nd cell: register offset containing the RCC trust zone mode setting > + 3rd cell: register bitmask for the RCC trust zone mode bit > + > +Optional properties: > +- interrupts: Should contain the watchdog interrupt > +- mboxes: This property is required only if the rpmsg/virtio functionality > + is used. List of phandle and mailbox channel specifiers: > + - a channel (a) used to communicate through virtqueues with the > + remote proc. > + Bi-directional channel: > + - from local to remote = send message > + - from remote to local = send message ack > + - a channel (b) working the opposite direction of channel (a) > + - a channel (c) used by the local proc to notify the remote proc > + that it is about to be shut down. > + Unidirectional channel: > + - from local to remote, where ACK from the remote means > + that it is ready for shutdown > +- mbox-names: This property is required if the mboxes property is used. > + - must be "vq0" for channel (a) > + - must be "vq1" for channel (b) > + - must be "shutdown" for channel (c) > +- memory-region: List of phandles to the reserved memory regions associated with > + the remoteproc device. This is variable and describes the > + memories shared with the remote processor (eg: remoteproc > + firmware and carveouts, rpmsg vrings, ...). > + (see ../reserved-memory/reserved-memory.txt) > +- st,syscfg-pdds: Reference to the system configuration which holds the remote > + processor deep sleep setting > + 1st cell: phandle to syscon block > + 2nd cell: register offset containing the deep sleep setting > + 3rd cell: register bitmask for the deep sleep bit > +- auto_boot: If defined, when remoteproc is probed, it loads the default > + firmware and starts the remote processor. st,auto-boot > + > +Example: > + m4_rproc: m4@0 { > + compatible = "st,stm32mp1-m4"; > + reg = <0x00000000 0x10000>, > + <0x10000000 0x40000>, > + <0x30000000 0x40000>; > + resets = <&rcc MCU_R>; > + st,syscfg-holdboot = <&rcc 0x10C 0x1>; > + st,syscfg-tz = <&rcc 0x000 0x1>; > + }; > -- > 2.7.4 > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel