From patchwork Mon Jun 10 12:18:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daire McNamara X-Patchwork-Id: 13691958 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 7DF06C27C65 for ; Mon, 10 Jun 2024 12:19:19 +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=NJsDCNaAOan+Llrn23g5qvKmtz5Z79HuXU8o5oA0bUU=; b=opj9LhYQahG642 RKdlkuYMNTODVvJlr6A39t0/YlRHqdl2f1vHteM/4OqEZEx0aj4yxtOsG5KKbS92iXzK7JI+Vh78/ Av15RaAj3LLc5Al9ODNMJU/uQAgXCVDP5oxK6UjjkKFNbJMa7aENjL2T7y3sUtxzd7TvjYrCLJq+B spePhEZlmooYMb6FQniDmtJ0LO5rWWSNPR6POHo8E2obdCBZhJFWfYfkSG3eZ0zMgdFBnmHsGvIVc 2+gnkB+1FsDRqBT1mZ8cP/FMighMiptXL5ZK3ZT1rsiy3L8AUtYSqEmxcgRPrjt1hiZ/vDRX0eXC0 /hEJcN/ySPiFq8llnh/Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGdzW-00000004ySc-2ZaG; Mon, 10 Jun 2024 12:19:14 +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 1sGdzQ-00000004yQW-1tL1 for linux-riscv@lists.infradead.org; Mon, 10 Jun 2024 12:19:09 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1718021949; x=1749557949; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=Qb9Up+t11DzcZW8H2Jjuu7ECFDelJkgS8AlOnO1SlWE=; b=kuVT4brVky/lfB2h6lbcCT7zr+iRy+ioCalVsxS1CxG9Bm2gUPX5lnai lHj1HAlpDysUoFmG7PSS4UBaZc7p6tc+5GtoO0hdEOxbzKPhA+/C+9hAU 3GGSUgj9UYiDnHFR/Hyc8QY9kuqGNdV8uUk2AIQu9XAoYhaiKshXFV+S9 aGr1c3i9fWiEOsyAyxbBo97xOATtfwg5Qr3FBlhJQVqZCxZMYvWo9QL5B 89ylzztjtqbqvR1dkwydA8ujKSd6tfW/iaFRfRSntvf2j460UPCh0gW4N gwPVmxXxSqsRRmmypESshB/MFmeaLs6kJ+HRipNDb9roeB8f4CeWLupQT g==; X-CSE-ConnectionGUID: nZYSrxyTSBy6GiOz7aIYFw== X-CSE-MsgGUID: gcpetgnSQTuJ3BvErvJgGQ== X-IronPort-AV: E=Sophos;i="6.08,227,1712646000"; d="scan'208";a="258056938" 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; 10 Jun 2024 05:19:05 -0700 Received: from chn-vm-ex03.mchp-main.com (10.10.85.151) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 10 Jun 2024 05:18:34 -0700 Received: from daire-X570.microchip.com (10.10.85.11) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Mon, 10 Jun 2024 05:18:32 -0700 From: To: CC: , , , , , , , Subject: [PATCH v2 3/3] dt-bindings: PCI: microchip,pcie-host: allow dma-noncoherent Date: Mon, 10 Jun 2024 13:18:22 +0100 Message-ID: <20240610121822.2636971-4-daire.mcnamara@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240610121822.2636971-1-daire.mcnamara@microchip.com> References: <20240610121822.2636971-1-daire.mcnamara@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_051908_522534_80EC4F8F X-CRM114-Status: UNSURE ( 7.45 ) 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 --- 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: