From patchwork Wed Oct 27 07:30:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Massot X-Patchwork-Id: 12586519 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3A165C4332F for ; Wed, 27 Oct 2021 07:36:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 203CF610C7 for ; Wed, 27 Oct 2021 07:36:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230437AbhJ0HjJ (ORCPT ); Wed, 27 Oct 2021 03:39:09 -0400 Received: from mail.iot.bzh ([51.75.236.24]:20881 "EHLO frontal.iot.bzh" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238735AbhJ0HjI (ORCPT ); Wed, 27 Oct 2021 03:39:08 -0400 Received: from frontal.iot.bzh (localhost [127.0.0.1]) by frontal.iot.bzh (Proxmox) with ESMTP id 3BC9B25108; Wed, 27 Oct 2021 09:30:35 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=iot.bzh; h=cc:cc :content-transfer-encoding:date:from:from:in-reply-to:message-id :mime-version:references:reply-to:subject:subject:to:to; s= iot.bzh; bh=jAf3R5ZyexAMPU3GUd0OTU1+8j7GJia+7fFU5b693MA=; b=A3d5 5r3k2hwmJoorMRVwb6PAq8eyUFrx/YCyukpb2Uv2sNTHsj1dxJz708foNWsvtkfV ODKWDWgdo+ZLprqPq48qtSnKxXBlAM9G+LAcFNWjqNwSH99jfbx8HRR+suBKodnF RlXgNdBwGcU0UOKqxf0L9JDYzd5hNrYKQQGTLElJ6AVwKOyBMr7p4VIiNx2npNpJ lL221C+RS2nE/q5fkofzqK6BYMf7bNuXxpB432MEjsnQn/fAPMHzpj1tMPlJXVcw YLGcApb/oC7fsq0UMd4iJnHSIAO6CRJ6DO6g8QiR34jr2YrByITCC+4BSCPFLJ8b aZPoesQiotyE7pBSMg== From: Julien Massot To: bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, robh+dt@kernel.org, geert+renesas@glider.be Cc: linux-renesas-soc@vger.kernel.org, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, Julien Massot Subject: [RFC PATCH 1/3] dt-bindings: remoteproc: Add Renesas R-Car Date: Wed, 27 Oct 2021 09:30:18 +0200 Message-Id: <20211027073020.17055-2-julien.massot@iot.bzh> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211027073020.17055-1-julien.massot@iot.bzh> References: <20211027073020.17055-1-julien.massot@iot.bzh> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org Renesas R-Car SoCs may contains a Realtime processor. This patch adds binding for this remote processor. Signed-off-by: Julien Massot --- .../remoteproc/renesas,rcar-rproc.yaml | 66 +++++++++++++++++++ 1 file changed, 66 insertions(+) create mode 100644 Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml diff --git a/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml new file mode 100644 index 000000000000..dbf95137ce88 --- /dev/null +++ b/Documentation/devicetree/bindings/remoteproc/renesas,rcar-rproc.yaml @@ -0,0 +1,66 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: "http://devicetree.org/schemas/remoteproc/renesas,rcar-rproc.yaml#" +$schema: "http://devicetree.org/meta-schemas/core.yaml#" + +title: Renesas R-Car remote processor controller bindings + +maintainers: + - Julien Massot + +description: | + This document defines the binding for the remoteproc component that loads and + boots firmwares on the Renesas R-Car family chipset. + R-Car gen3 family may have a realtime processor, this processor share peripheral + and RAM with the host processor with the same address map. + + +properties: + compatible: + const: renesas,rcar-cr7 + + resets: + maxItems: 1 + + power-domains: + maxItems: 1 + + memory-region: + description: + 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 (e.g. remoteproc firmware and carveouts, rpmsg + vrings, ...). + (see ../reserved-memory/reserved-memory.txt) + +required: + - compatible + - resets + - memory-region + - power-domains + +additionalProperties: false + +examples: + - | + #include + #include + reserved-memory { + ranges; + + cr7_ram: cr7_ram@40040000 { + no-map; + reg = <0x40040000 0x1fc0000>; + }; + }; + + cr7_rproc: cr7 { + compatible = "renesas,rcar-cr7"; + memory-region = <&cr7_ram>; + power-domains = <&sysc R8A7795_PD_CR7>; + resets = <&cpg 222>; + status = "okay"; + }; + +...