From patchwork Thu Apr 30 18:55:21 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 11521237 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id E76A41392 for ; Thu, 30 Apr 2020 18:56:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id C21FC2073E for ; Thu, 30 Apr 2020 18:56:37 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="AgM1yZFF"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=broadcom.com header.i=@broadcom.com header.b="j8ZT0729" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C21FC2073E Authentication-Results: mail.kernel.org; dmarc=fail (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=HQMZSUZmRdSMoF8CMpQK5WCAdOJHspr+OsgXXqJAFi8=; b=AgM1yZFFnGXK2+oizt9H0Egl37 7Euw5ruKykVG587Rf1vPpAzXsZrszkkQed9VJmfUPapuicOBaUziitJtDAIDmfMdCVi7I/rbXhBrF zC7rcGFfV9jKqvCGYwowOYtNgyyhuCBlGQLXLfiCt8bnDTLyrNudSYAeYJSkyUhCftj/FRCMaWu7A IbRRXwNR8si6LhneZB9Aicv3AgSHu2gcdTfcqy5r5iscyFo6QJHmNY//iUDb4C1T0SSEaQ8N1NJ6W Kda251/ywMxb8M8ByPAGZ/P24nE+DtNdOfYaXCr2qqAauz2Yfibcmfp2Ajm4NFd2fYUG8MvnfO4LP Dajre7QQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUEML-000444-8X; Thu, 30 Apr 2020 18:56:33 +0000 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]) by bombadil.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1jUELX-0003N1-9Q; Thu, 30 Apr 2020 18:55:44 +0000 Received: from mail-irv-17.broadcom.com (mail-irv-17.lvn.broadcom.net [10.75.242.48]) by rnd-relay.smtp.broadcom.com (Postfix) with ESMTP id 4E3F730C0CE; Thu, 30 Apr 2020 11:55:34 -0700 (PDT) DKIM-Filter: OpenDKIM Filter v2.10.3 rnd-relay.smtp.broadcom.com 4E3F730C0CE DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=broadcom.com; s=dkimrelay; t=1588272934; bh=u71I4sWw1v2y+pty1vu/EYKCS2yJyi1NZITvH6WpKXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j8ZT07291ncyNHTMtsjtrVMN9OntI2+TmIFKNBbbjN0ks5OZPL3oqcPAGqbjaDhMh 6Ic2MuypgSzX6zCO6NZGzhHuYwWn+JQONYTlsTEoFH5vmayN/xtj/GH9xSkjdkvb5q MvBcWq2vaT6ockbquWU2wR48D719nmg+wzQ0hKfI= Received: from stbsrv-and-01.and.broadcom.net (stbsrv-and-01.and.broadcom.net [10.28.16.211]) by mail-irv-17.broadcom.com (Postfix) with ESMTP id DCE93140069; Thu, 30 Apr 2020 11:55:40 -0700 (PDT) From: Jim Quinlan To: james.quinlan@broadcom.com Subject: [PATCH 4/5] dt-bindings: PCI: brcmstb: New prop 'brcm,aspm-en-l0s' Date: Thu, 30 Apr 2020 14:55:21 -0400 Message-Id: <20200430185522.4116-4-james.quinlan@broadcom.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20200430185522.4116-1-james.quinlan@broadcom.com> References: <20200430185522.4116-1-james.quinlan@broadcom.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200430_115543_341030_A1701B15 X-CRM114-Status: UNSURE ( 5.53 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.4 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [192.19.229.170 listed in list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Florian Fainelli , "open list:PCI SUBSYSTEM" , open list , Rob Herring , "maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE" , "moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE" , Jim Quinlan , Bjorn Helgaas , Nicolas Saenz Julienne , "moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE" MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org From: Jim Quinlan For various reasons, the L0s component of ASPM is intentionally disabled. Specifying the 'brcm,aspm-en-l0s' property enables it. Signed-off-by: Jim Quinlan Acked-by: Florian Fainelli --- Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml index 77d3e81a437b..b3e43597b89c 100644 --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml @@ -56,6 +56,10 @@ properties: description: Indicates usage of spread-spectrum clocking. type: boolean + brcm,aspm-en-l0s: + description: Enables ASPM L0s savings; off by default. + type: boolean + required: - reg - dma-ranges