From patchwork Fri Aug 20 16:00:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Pali_Roh=C3=A1r?= X-Patchwork-Id: 1519094 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; dkim=pass (2048-bit key; unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256 header.s=k20201202 header.b=fbXqToDF; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4GrmfJ0HHJz9ssP for ; Sat, 21 Aug 2021 02:04:08 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234909AbhHTQEn (ORCPT ); Fri, 20 Aug 2021 12:04:43 -0400 Received: from mail.kernel.org ([198.145.29.99]:43936 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234629AbhHTQC2 (ORCPT ); Fri, 20 Aug 2021 12:02:28 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id CF9D361264; Fri, 20 Aug 2021 16:01:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1629475311; bh=TiOt/P4/QPtCLS0E75RDsmJdhwnKcPRpnT639l4Hm7M=; h=From:To:Cc:Subject:Date:From; b=fbXqToDF0pob26JIQat1YGMYZB1Ra+SJh+gk3xPZErpX29cyXON2Hgi/9TQm+cd69 v1BapGh4LaWO9UNKqeGRC/I1YMzQIS2CA2HRSOg+f7okUq6KwtHkDPRFOiXaSOH7ke ulWiHtwqhJQfjqwZF58fEofoQU0csU0+NsfadrD3zIJ1+U9hJIIZVj+LV3LIXP43xc Ze9W0AtHO/AKJlVbfPVnK0M0rMlcUkIehJuveigdQjFD3UH1bZf1Z/9KookP5oeD// 3YxDyr79NIIQf68xgGmQErtBszubS5/VUZQSnoY+loZe8DMCblq8j6O+qGrHwhCjnL uZ03IwL/7BIDQ== Received: by pali.im (Postfix) id 662797C5; Fri, 20 Aug 2021 18:01:48 +0200 (CEST) From: =?utf-8?q?Pali_Roh=C3=A1r?= To: Rob Herring , Lorenzo Pieralisi Cc: Bjorn Helgaas , =?utf-8?q?Marek_Beh=C3=BAn?= , linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [RFC PATCH 0/3] PCI: Define slot-power-limit DT property Date: Fri, 20 Aug 2021 18:00:20 +0200 Message-Id: <20210820160023.3243-1-pali@kernel.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This is RFC patch series which define a new PCIe slot-power-limit DT property (first patch) and show example how to use it in pci-aardvark.c driver (second and third patch). Second and third patches depends on other pci-aardvark patches which are under review. I included them here just to show how this new slot-power-limit DT property can be used. Please let me know what do you think about this approach of defining Slot Power Limit in DTS file. Pali Rohár (3): dt-bindings: Add 'slot-power-limit' PCIe port property PCI: aardvark: Add support for sending Set_Slot_Power_Limit message arm64: dts: armada-3720-turris-mox: Define slot-power-limit for PCIe .../devicetree/bindings/pci/aardvark-pci.txt | 2 + Documentation/devicetree/bindings/pci/pci.txt | 6 ++ .../dts/marvell/armada-3720-turris-mox.dts | 1 + drivers/pci/controller/pci-aardvark.c | 66 ++++++++++++++++++- 4 files changed, 74 insertions(+), 1 deletion(-)