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: 1280826 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=broadcom.com Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=broadcom.com header.i=@broadcom.com header.a=rsa-sha256 header.s=dkimrelay header.b=j8ZT0729; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 49Cl8f61Fjz9sSj for ; Fri, 1 May 2020 05:01:06 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726450AbgD3TAz (ORCPT ); Thu, 30 Apr 2020 15:00:55 -0400 Received: from rnd-relay.smtp.broadcom.com ([192.19.229.170]:56070 "EHLO rnd-relay.smtp.broadcom.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726396AbgD3TAx (ORCPT ); Thu, 30 Apr 2020 15:00:53 -0400 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 Cc: Jim Quinlan , Florian Fainelli , bcm-kernel-feedback-list@broadcom.com (maintainer:BROADCOM BCM7XXX ARM ARCHITECTURE), Nicolas Saenz Julienne , Bjorn Helgaas , Rob Herring , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX ARM ARCHITECTURE), linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-pci@vger.kernel.org (open list:PCI SUBSYSTEM), devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), linux-kernel@vger.kernel.org (open list) 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> Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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