From mboxrd@z Thu Jan 1 00:00:00 1970 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 A8D28E7718F for ; Fri, 3 Jan 2025 21:16:20 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To: Content-Transfer-Encoding:Content-Type:MIME-Version:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:References:List-Owner; bh=V+sHQ7mY3MwIf/VsiMl4gaK88d9UqEmLFOQfH59gXv8=; b=xzSnlqSO7beRfDyaIqSVhRBqd9 HxnHK42vV+wgcMatOAIMR46X3miimRwRRpnInsSmDF/pIv1jbYk72U4yfYJsqXeS8zlOYHOBAHj5+ eP9pWbMZ4N9llsi7fgOMLc9YZ2X/MIpmzCRPZYdPB7hNmFMOcFae7qDlV4DuI0hRPTnn5/ZAIT2yW UQTgefjQImhXCR+Le3jrMZTzVhAtqrmGfJxmaWB+Rz/BkFyW34SDPY7KRB4RFix6klDfPrDA0clSt I2HbvFltZ2dc8saxB2DL+ugb6pPv9nfpeYOfvIAxolisQ1RO97zCU9cxhelBSbdh3VvwIQXJUIJxt 7bo5r2dg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tTp1d-0000000E0D8-13JE; Fri, 03 Jan 2025 21:16:09 +0000 Received: from nyc.source.kernel.org ([2604:1380:45d1:ec00::3]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tTp0L-0000000Dzro-3NkL; Fri, 03 Jan 2025 21:14:51 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id B6BE0A4107C; Fri, 3 Jan 2025 21:12:59 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 61E1CC4CED2; Fri, 3 Jan 2025 21:14:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1735938888; bh=sFO4OH9CVkKVkoP3ZaKlYjcbwVR1mQy5pmUDUDk+dxk=; h=Date:From:To:Cc:Subject:In-Reply-To:From; b=BsB7G6j3mXf7S+4Or7YmadtifMWp4gWAqz/jVXG3Cba2mG0jI9jSDe2FVrTapZ+ZL 7WBNfkKJW6CkYWMvqMefbyAPXboKV/QNqHRge9ZkE6b2M1UcLO73RCTsx3EIQzxpLN VOn45m+Hr2nJJo0EbSd3pEQxf6PRNbUKfC3nWj+LpJ6mqYAe0JoClW1aw/nwpoUA2q yD4VoTB8tMqr/Kt9ClyJafBkXP5hxWyd0B2cgbnDUkTnOtog4ieGFHcgxaPCwYb34F h3QGz49mTd7DsgSNy2G0swP6tQwc3d/kT/MrGFj0PUBbVKzMN9pYXWVhAvB0wOW9Kf GoxTAYk9K9YUQ== Date: Fri, 3 Jan 2025 15:14:46 -0600 From: Bjorn Helgaas To: =?utf-8?B?TsOtY29sYXMgRi4gUi4gQS4=?= Prado Cc: Matthias Brugger , AngeloGioacchino Del Regno , kernel@collabora.com, Chen-Yu Tsai , Krzysztof Kozlowski , Rob Herring , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mediatek@lists.infradead.org Subject: Re: [PATCH v4 14/19] arm64: dts: mediatek: asurada: Enable PCIe and add WiFi Message-ID: <20250103211446.GA4063@bhelgaas> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20220629155956.1138955-15-nfraprado@collabora.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250103_131449_910551_089F1031 X-CRM114-Status: GOOD ( 11.12 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jun 29, 2022 at 11:59:51AM -0400, Nícolas F. R. A. Prado wrote: > Enable MT8192's PCIe controller and add support for the MT7921e WiFi > card that is present on that bus for the Asurada platform. > +&pcie { > + pinctrl-names = "default"; > + pinctrl-0 = <&pcie_pins>; > + > + pcie0: pcie@0,0 { > + device_type = "pci"; > + reg = <0x0000 0 0 0 0>; > + num-lanes = <1>; > + bus-range = <0x1 0x1>; Hi Nícolas, what's the purpose of this bus-range? IIUC this describes a Root Port, where we can read and configure the secondary/subordinate bus numbers from the RP config space, so it seems like we don't need to describe them here. > + > + #address-cells = <3>; > + #size-cells = <2>; > + ranges; > + > + wifi: wifi@0,0 { > + reg = <0x10000 0 0 0 0x100000>, > + <0x10000 0 0x100000 0 0x100000>; > + memory-region = <&wifi_restricted_dma_region>; > + }; > + }; > +};