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[209.132.180.67]) by mx.google.com with ESMTP id d65si26299964pgc.330.2019.06.05.09.34.40; Wed, 05 Jun 2019 09:34:40 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@ti.com header.s=ti-com-17Q1 header.b=PXAhTydy; spf=pass (google.com: best guess record for domain of devicetree-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=NONE dis=NONE) header.from=ti.com Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728574AbfFEQej (ORCPT + 8 others); Wed, 5 Jun 2019 12:34:39 -0400 Received: from lelv0142.ext.ti.com ([198.47.23.249]:57868 "EHLO lelv0142.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728523AbfFEQej (ORCPT ); Wed, 5 Jun 2019 12:34:39 -0400 Received: from fllv0034.itg.ti.com ([10.64.40.246]) by lelv0142.ext.ti.com (8.15.2/8.15.2) with ESMTP id x55GYa0B130363; Wed, 5 Jun 2019 11:34:36 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ti.com; s=ti-com-17Q1; t=1559752476; bh=wkkKxFZB5ATR3iI5BpVHTwbE/nxd3PuOQtF6M46CXMg=; h=From:To:CC:Subject:Date:In-Reply-To:References; b=PXAhTydyFcEWe9DEJEnl4VJl6QnFED4Yo9iNZazn971xCdPOFvndnIrhLFCG8Z6Qp ziFyEAp5u+Pjk5mNUoPazqiFAiIJBGgyP4RWbgmME2j3dTvi/vMgWu7wHkBjSzXgXM agUEMiTUobXkZwVpDNZfv4OI4LJ9I/tQfnMIcX7s= Received: from DFLE112.ent.ti.com (dfle112.ent.ti.com [10.64.6.33]) by fllv0034.itg.ti.com (8.15.2/8.15.2) with ESMTPS id x55GYah4096059 (version=TLSv1.2 cipher=AES256-GCM-SHA384 bits=256 verify=FAIL); Wed, 5 Jun 2019 11:34:36 -0500 Received: from DFLE115.ent.ti.com (10.64.6.36) by DFLE112.ent.ti.com (10.64.6.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5; Wed, 5 Jun 2019 11:34:36 -0500 Received: from lelv0327.itg.ti.com (10.180.67.183) by DFLE115.ent.ti.com (10.64.6.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1713.5 via Frontend Transport; Wed, 5 Jun 2019 11:34:36 -0500 Received: from legion.dal.design.ti.com (legion.dal.design.ti.com [128.247.22.53]) by lelv0327.itg.ti.com (8.15.2/8.15.2) with ESMTP id x55GYaan023930; Wed, 5 Jun 2019 11:34:36 -0500 Received: from localhost (irmo.dhcp.ti.com [128.247.58.153]) by legion.dal.design.ti.com (8.11.7p1+Sun/8.11.7) with ESMTP id x55GYZm10218; Wed, 5 Jun 2019 11:34:35 -0500 (CDT) From: Suman Anna To: Tero Kristo , Nishanth Menon CC: , , Suman Anna Subject: [PATCH 3/4] arm64: dts: ti: k3-j721e: Add the MCU SRAM node Date: Wed, 5 Jun 2019 11:34:33 -0500 Message-ID: <20190605163434.23173-4-s-anna@ti.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190605163434.23173-1-s-anna@ti.com> References: <20190605163434.23173-1-s-anna@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add the on-chip SRAM present within the MCU domain as a mmio-sram node. The K3 J721E SoCs have 1 MB of such memory. Any specific memory range within this RAM needed by a driver/software module ought to be reserved using an appropriate child node. Signed-off-by: Suman Anna --- arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) -- 2.21.0 diff --git a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi index b72e033fa159..397ef715e145 100644 --- a/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi @@ -44,6 +44,14 @@ pinctrl-single,function-mask = <0xffffffff>; }; + mcu_ram: sram@41c00000 { + compatible = "mmio-sram"; + reg = <0x00 0x41c00000 0x00 0x100000>; + ranges = <0x0 0x00 0x41c00000 0x100000>; + #address-cells = <1>; + #size-cells = <1>; + }; + wkup_uart0: serial@42300000 { compatible = "ti,j721e-uart", "ti,am654-uart"; reg = <0x00 0x42300000 0x00 0x100>;