From patchwork Fri Jun 28 11:59:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daire McNamara X-Patchwork-Id: 13716014 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id CA436C3064D for ; Fri, 28 Jun 2024 12:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=gPt8lQBUOldLppnxdjFBCxdG7ySO8ixWarlF8kkCM/A=; b=1OgnKMJbArxuF/ Al30PoK+JZ3WFqlSawxnoa3T6BpV7g/mzl8xme/SneBPkoDmwWWV0HfHajhl2CmjsfDYqnomoGqYz 5rvs/TseWA/5YEFy8UZRA1B1BmXYtVOfxHKOk7Etn3OQCg1d/vryKYhnINvXeLy0wUDy7AyhcQedO hyjCPmyCUUdkj/PyUMeX//RtlvfQX0MIWHQXXE523ojcjgAbFPMRm9bDdlJ47308ygNxW4ysg4fw4 AWX0shDKC+24ezt2TCO2chMyHcL3ZQ2tlgZYQCdrcGtYVhERiJpqR8uCh9H/VDXfJaytk4zauwsaM 9bElPjg8hczpUqM+wFkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sNAGv-0000000DcCL-1mmU; Fri, 28 Jun 2024 12:00:09 +0000 Received: from esa.microchip.iphmx.com ([68.232.153.233]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sNAGq-0000000Dc8e-3gi9 for linux-riscv@lists.infradead.org; Fri, 28 Jun 2024 12:00:06 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1719576005; x=1751112005; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jiUij3wRRe5sE48zPdwi6+NvzYyJIr+GpOYj/SVthjg=; b=fnU25ytTjIV7buyNEcydSfbia5xiOOd5UuPtFFncKAbH6ebPfFQxg5id Crvw7bE5zf8JNX/7dV23/Ni0s4do55qihpToRB00g1J3TfT+Jfci5/IbM uY2e+rRcjU5hROKx78/aHV/xJ1GYvXJNoKdUun5+Z3QYQkgLon/3t63hc cQ4wBwtCmwZXrJABLwOvwvzcKAhrtW2nbglmiWs505obC2zXVXqTevU3c 9CvUddNDhtwEQQuFs3rE7LyU1iZ49nS6fVHYGeqK9sOz8VBNEr57L7Nj5 L9l9tmELdFGQzq4M5mPzqYisBlN+YAhDMzxc9n/NEf91xPSg8TDncosNp w==; X-CSE-ConnectionGUID: fhzcQ281QiKf1QfzQI0hzg== X-CSE-MsgGUID: R+AVEiQ/TTmD0N108NexvA== X-IronPort-AV: E=Sophos;i="6.09,169,1716274800"; d="scan'208";a="259502562" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 28 Jun 2024 05:00:00 -0700 Received: from chn-vm-ex04.mchp-main.com (10.10.85.152) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Fri, 28 Jun 2024 04:59:34 -0700 Received: from daire-X570.microchip.com (10.10.85.11) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Fri, 28 Jun 2024 04:59:30 -0700 From: To: , CC: , , , , , , , , , , Subject: [PATCH v6 3/3] dt-bindings: PCI: microchip,pcie-host: allow dma-noncoherent Date: Fri, 28 Jun 2024 12:59:23 +0100 Message-ID: <20240628115923.4133286-4-daire.mcnamara@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240628115923.4133286-1-daire.mcnamara@microchip.com> References: <20240628115923.4133286-1-daire.mcnamara@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240628_050005_002078_472398BD X-CRM114-Status: UNSURE ( 7.48 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Conor Dooley PolarFire SoC may be configured in a way that requires non-coherent DMA handling. On RISC-V, buses are coherent by default & the dma-noncoherent property is required to denote buses or devices that are non-coherent. Signed-off-by: Conor Dooley Signed-off-by: Daire McNamara Acked-by: Rob Herring --- Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml index f7a3c2636355..c84e1ae20532 100644 --- a/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml +++ b/Documentation/devicetree/bindings/pci/microchip,pcie-host.yaml @@ -52,6 +52,8 @@ properties: items: pattern: '^fic[0-3]$' + dma-noncoherent: true + interrupts: minItems: 1 items: