From patchwork Wed Jun 12 11:22:13 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daire McNamara X-Patchwork-Id: 13694851 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 C8F1DC2BA12 for ; Wed, 12 Jun 2024 11:23:39 +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=YB/yYWae3rUcJLnmssT1HcYIPLQiLt2P7rfMo1EDqNs=; b=p6OMfSGfxTQ4aW ZlVs5PJMxj1bjCAO4kT0Ol3/qsYz4vBs+JjEBiatrgJZ36DOv97YUAY9JZpO7keudlgPN2ULtigoE 34lOMYXKuuSrNtMBaRiB1jOBfjFV3S45WXhey6reqPn+1bbNiWshxv5UylPsB3xHNAtnCdgryT3o6 2ztLXmQKeTD7jh2maOm9fe7UttbHeHP7Z4SwVFh/NKKuyaviXvk99GpwR9HYXzG0RK/CIVlFMKUPY kXAbwlWFinE+3tZhAFt2h3poGHfhAlsljPntvTmMovv2OaY7eMFEHyzO6ykXE3RTo7gREw2AkTOeZ dEPVVOVbJRYaV/X+bIUw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sHM4k-0000000CQa8-36mQ; Wed, 12 Jun 2024 11:23:34 +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 1sHM4c-0000000CQU7-2Lol for linux-riscv@lists.infradead.org; Wed, 12 Jun 2024 11:23:29 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1718191406; x=1749727406; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=eOM+rlNe4Ccmiqqj78VRC7CbyAJhediEgq9+gqUJt5c=; b=JbhamPEcIdt875NHfcEBHa+wvv5HQxKe2TN28JeduYXS/ek3glP5jCZW K/aZjQBq6OEKPnPfUK9W911E40DFlrYhMcbDiP3ZPw2L+yHTp9TvpdyIy Y92/eJHCTSKzfOcZ5BrPzmWbT1LemfaSKnXdutYPIFqf2Mq4fga8AYB9e ToTpsoLyP/uoayF6sR558MRNOigHgZ19WqNHiCcG/qfaJeBxADzaQPGOm UlROXcIc9kMrCJvTeeNBKMYkS1Hj4f15NZUdHBMTV8TBjO8scxeS5JxEI 93eentn6xdgPcd6F/5cneZ/ON4RHobO/aSmXkNdxRicFGHOjLDTRV+dL2 A==; X-CSE-ConnectionGUID: hzPuRHFvRM+Wy8rrRTyffQ== X-CSE-MsgGUID: jgaw45dBQPqiWppOjWLXvQ== X-IronPort-AV: E=Sophos;i="6.08,233,1712646000"; d="scan'208";a="29761713" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 12 Jun 2024 04:23:23 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex04.mchp-main.com (10.10.85.152) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Wed, 12 Jun 2024 04:22:52 -0700 Received: from daire-X570.microchip.com (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Wed, 12 Jun 2024 04:22:49 -0700 From: To: , CC: , , , , , , , , , Subject: [PATCH v3 3/3] dt-bindings: PCI: microchip,pcie-host: allow dma-noncoherent Date: Wed, 12 Jun 2024 12:22:13 +0100 Message-ID: <20240612112213.2734748-4-daire.mcnamara@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240612112213.2734748-1-daire.mcnamara@microchip.com> References: <20240612112213.2734748-1-daire.mcnamara@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240612_042326_792517_E741F07A X-CRM114-Status: UNSURE ( 7.74 ) 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: Krzysztof Kozlowski --- 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: