From patchwork Mon Nov 15 13:50:31 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Julien Massot X-Patchwork-Id: 12619551 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 12199C433F5 for ; Mon, 15 Nov 2021 13:52:09 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id EC75861A40 for ; Mon, 15 Nov 2021 13:52:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232087AbhKONyT (ORCPT ); Mon, 15 Nov 2021 08:54:19 -0500 Received: from mail.iot.bzh ([51.75.236.24]:18910 "EHLO frontal.iot.bzh" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231956AbhKONyF (ORCPT ); Mon, 15 Nov 2021 08:54:05 -0500 Received: from frontal.iot.bzh (localhost [127.0.0.1]) by frontal.iot.bzh (Proxmox) with ESMTP id CE0FB1B8A7; Mon, 15 Nov 2021 14:50:50 +0100 (CET) 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=EWVFdseFq6sEbPV1Xda1BgTS3GPVp9M+VQwQqPIMp2A=; b=hJzC SovTQxarz2n8r8h0llFScdh+HCKWfgz/1atIxgu5x1EelZOSkc6iRHl/j++pujD3 G6lSlDoEqOMVAls6X7vKuorQ0hlB2tqWgVyQ5YizZQNU0noyGh6KkGZS01phY7sm K0lF62rtuvmH2a3VC+85iJH7wAONWMaUEvef3PGG0Zhxs+Bapcif74ul/RKfWp7T HqLxkhLEQUlj1cJ02awVHEk4DmdZPmVoCg7bfQ/10tq9FbgWKlaagDAE0RchlYJN r9J2km3H5JYjL7QZLs4ipnKof34+dRIoVUiH39nycJh4dmy1089BoH8qvzQmncwW XuqCMXWlCeCdxZr7lg== 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: [PATCH v1 2/3] arm64: dts: renesas: r8a77951: Add CR7 realtime processor Date: Mon, 15 Nov 2021 14:50:31 +0100 Message-Id: <20211115135032.129227-3-julien.massot@iot.bzh> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211115135032.129227-1-julien.massot@iot.bzh> References: <20211115135032.129227-1-julien.massot@iot.bzh> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org r8a77951 as some other members of rcar gen3 soc series has a Cortex R7 processor. This processor shares the same mapped devices and memory mapping. Choose 0x40040000 area to store the Cortex-R7 firmware. Signed-off-by: Julien Massot --- No change since RFC, Geert most likely it sounds better to drop this patch in v2 ? --- arch/arm64/boot/dts/renesas/r8a77951-ulcb.dts | 15 +++++++++++++++ arch/arm64/boot/dts/renesas/r8a77951.dtsi | 7 +++++++ 2 files changed, 22 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a77951-ulcb.dts b/arch/arm64/boot/dts/renesas/r8a77951-ulcb.dts index 06d4e948eb0f..703d0d33efe6 100644 --- a/arch/arm64/boot/dts/renesas/r8a77951-ulcb.dts +++ b/arch/arm64/boot/dts/renesas/r8a77951-ulcb.dts @@ -34,6 +34,16 @@ memory@700000000 { device_type = "memory"; reg = <0x7 0x00000000 0x0 0x40000000>; }; + + reserved-memory { + #address-cells = <2>; + #size-cells = <2>; + + cr7_ram: cr7_ram@40040000 { + no-map; + reg = <0x0 0x40040000 0x0 0x1fc0000>; + }; + }; }; &du { @@ -48,3 +58,8 @@ &du { clock-names = "du.0", "du.1", "du.2", "du.3", "dclkin.0", "dclkin.1", "dclkin.2", "dclkin.3"; }; + +&cr7_rproc { + memory-region = <&cr7_ram>; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/renesas/r8a77951.dtsi b/arch/arm64/boot/dts/renesas/r8a77951.dtsi index 1768a3e6bb8d..3ee247fc5aec 100644 --- a/arch/arm64/boot/dts/renesas/r8a77951.dtsi +++ b/arch/arm64/boot/dts/renesas/r8a77951.dtsi @@ -366,6 +366,13 @@ soc: soc { #size-cells = <2>; ranges; + cr7_rproc: cr7 { + compatible = "renesas,rcar-cr7"; + power-domains = <&sysc R8A7795_PD_CR7>; + resets = <&cpg 222>; + status = "disabled"; + }; + rwdt: watchdog@e6020000 { compatible = "renesas,r8a7795-wdt", "renesas,rcar-gen3-wdt"; reg = <0 0xe6020000 0 0x0c>;