From patchwork Tue Jun 25 12:38:45 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daire McNamara X-Patchwork-Id: 13711084 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 92E8BC3064D for ; Tue, 25 Jun 2024 12:39:27 +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=b9oRRm9+Au3CDa 6J8CB4Pheqk33LfchKKBS5qOEMFf9TmyCFthOckTRpXj7bo7xVZgFAMq5/dT+AQ4OHZNfglOlbZd9 nFnFUei/507b8jGuKd+oGQRvIwz9SIX5+3BzPwdPu94rlzbxl0ZYyDT7mlA6GPTtffQo9qVVYEerh M4DEy+vakoP8k3r3OE05xBEPbHmXmFb5EpVwy+GI9tyH8GJfTiulkZF/6BRsQgjGPDFz3GcPQr1A1 LmZ3aREC5mBSTNd5UfgSgxbaPNxy5o6Cah9gJI6rBtdOdDgF7iXhEW7m8jqYeRjYcgN/ULBgDUlzR R7LEvQ578d17e31akJXg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sM5SF-00000002oaC-1TdO; Tue, 25 Jun 2024 12:39:23 +0000 Received: from esa.microchip.iphmx.com ([68.232.154.123]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sM5SA-00000002oU0-09gL for linux-riscv@lists.infradead.org; Tue, 25 Jun 2024 12:39:19 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1719319157; x=1750855157; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jiUij3wRRe5sE48zPdwi6+NvzYyJIr+GpOYj/SVthjg=; b=twBQhBp3FpxFj8qVNWHWC9HZWY9h/4zt42bDxoyQcxQbHWc++0hPNJt0 Br7IZXpSZlZhcUE1Vfv1dVEaQrSpB9RiKuT3rkN+DXyP1n85ufOrrNKrG 9E31oLW3j14pCCnNq+RPWAdJRImAqSFKujnoZD5WpNg34oOZVbCKz+4sb jSQUCvIeZMK2CtFULOSy+aZq7ZWlQXxgxAK5wort9zN/294FKK3lOaAa6 NdObUhzkB/mNxpcewToQnG+K+m3UmT7ziIyZWWL198oV9lLCZPNBOJbkg ek0YYdsJqcqW9qJfT0w6aqhAByg+rWLIGkXNwjzgy8iFMSce0ywwmameQ w==; X-CSE-ConnectionGUID: mB3BUqYURGm5J5zo6AMIVA== X-CSE-MsgGUID: f/MOvR+eT6+IIPo7csmNhw== X-IronPort-AV: E=Sophos;i="6.08,264,1712646000"; d="scan'208";a="195864242" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 25 Jun 2024 05:39:13 -0700 Received: from chn-vm-ex02.mchp-main.com (10.10.85.144) 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; Tue, 25 Jun 2024 05:38:52 -0700 Received: from daire-X570.microchip.com (10.10.85.11) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Tue, 25 Jun 2024 05:38:50 -0700 From: To: , CC: , , , , , , , , , , Subject: [PATCH v5 3/3] dt-bindings: PCI: microchip,pcie-host: allow dma-noncoherent Date: Tue, 25 Jun 2024 13:38:45 +0100 Message-ID: <20240625123845.3747764-4-daire.mcnamara@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240625123845.3747764-1-daire.mcnamara@microchip.com> References: <20240625123845.3747764-1-daire.mcnamara@microchip.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240625_053918_204941_5739EE6E 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 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: