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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1E5ACC6FD1C for ; Mon, 6 Mar 2023 06:41:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229740AbjCFGlY (ORCPT ); Mon, 6 Mar 2023 01:41:24 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52496 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229545AbjCFGlW (ORCPT ); Mon, 6 Mar 2023 01:41:22 -0500 Received: from mailgw02.mediatek.com (unknown [210.61.82.184]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C857D1B54F; Sun, 5 Mar 2023 22:41:16 -0800 (PST) X-UUID: e055aeeabbe911ed945fc101203acc17-20230306 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=mediatek.com; s=dk; h=Content-Type:Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject:CC:To:From; bh=fjPhyM0ETWURr4gOHa0K/Dc6pqcNM8k4+6w2fVMFVvo=; b=sL2Q7IsoUuzZojF4WviiUJGgVD8xGHjaWdxOF0A8vQSwE+Mp7A53Nh3RJIsoEomGFAVeKR8vFjj52fdIA7meIZ3f1fiMfS7lnpXWKkHWxXpaXPP87Z9AUpAEaQCqoR3a5u5bVy9qdexRWPsDsIhA2Hva9qFm/Y/JlqCzuAvBagg=; X-CID-P-RULE: Release_Ham X-CID-O-INFO: VERSION:1.1.20,REQID:5fba1ba1-be4a-4ea9-a0ac-be2a017b4b6a,IP:0,U RL:0,TC:0,Content:0,EDM:0,RT:0,SF:0,FILE:0,BULK:0,RULE:Release_Ham,ACTION: release,TS:0 X-CID-META: VersionHash:25b5999,CLOUDID:bb9fdef4-ddba-41c3-91d9-10eeade8eac7,B ulkID:nil,BulkQuantity:0,Recheck:0,SF:102,TC:nil,Content:0,EDM:-3,IP:nil,U RL:0,File:nil,Bulk:nil,QS:nil,BEC:nil,COL:0,OSI:0,OSA:0,AV:0 X-CID-BVR: 0,NGT X-UUID: e055aeeabbe911ed945fc101203acc17-20230306 Received: from mtkmbs13n2.mediatek.inc [(172.21.101.108)] by mailgw02.mediatek.com (envelope-from ) (Generic MTA with TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384 256/256) with ESMTP id 1656512053; Mon, 06 Mar 2023 14:41:08 +0800 Received: from mtkmbs11n2.mediatek.inc (172.21.101.187) by mtkmbs13n1.mediatek.inc (172.21.101.193) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.25; Mon, 6 Mar 2023 14:41:06 +0800 Received: from mhfsdcap04.gcn.mediatek.inc (10.17.3.154) by mtkmbs11n2.mediatek.inc (172.21.101.73) with Microsoft SMTP Server id 15.2.1118.25 via Frontend Transport; Mon, 6 Mar 2023 14:41:06 +0800 From: Jian Yang To: Bjorn Helgaas , Lorenzo Pieralisi , Krzysztof Kozlowski , Matthias Brugger , Jianjun Wang , Rob Herring CC: , , , , , , , , , Subject: [PATCH v2 0/2] PCI: mediatek-gen3: Support controlling power and Date: Mon, 6 Mar 2023 14:40:57 +0800 Message-ID: <20230306064059.7239-1-jian.yang@mediatek.com> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "jian.yang" These series patches add support for controlling power supplies and reset GPIO of a downstream component in Mediatek's PCIe GEN3 controller driver. Changes in v2: 1. Remove an unnecessary property in dt-bindings file. 2. Use the flag 'GPIOD_OUT_LOW' to set initial state of a downstream component's reset GPIO. 3. Keep downstream component powered on in suspend state if it need to wakeup the system. jian.yang (2): dt-bindings: PCI: mediatek-gen3: Add support for controlling power and reset PCI: mediatek-gen3: Add power and reset control feature for downstream component .../bindings/pci/mediatek-pcie-gen3.yaml | 17 ++++ drivers/pci/controller/pcie-mediatek-gen3.c | 86 ++++++++++++++++++- 2 files changed, 102 insertions(+), 1 deletion(-) -- 2.18.0