From patchwork Fri Sep 30 15:25:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chukun Pan X-Patchwork-Id: 12995655 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 5E2DBC433F5 for ; Fri, 30 Sep 2022 15:27:12 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=HTeXWC6W9nlkZbPvpcd7PoS5BekaRkl95H4bAoUEUNg=; b=LhhpwmlpDXkkA2 Dc5TlQcVw3TZuVqFnnfjL83ub4WppUa61h6aDe9aVm/yixDSHgIXDmyocZvWPwjvtg4C5KnAY4TP1 DbRH8V/uMAMmy0oq/64CCVONQIUcngP8PplIZajwCPbLHfKSNYT0YRFsHHbmOI6oPYZmmQi1Q8+qj sV2MLJNN056gFJRldjS0wUDBkeNVnZPAHJTvJd2Hjvv5OUiUym+uTDzkOvgYtK2TmOL95YVRqMDIy dR4Ajy6GDLmmE9hU9XKDnV0OgP7LWUUEZE7lsVqkXrDYtJFB+hoA7Pe8zTIa27kxV/IQEQlufto8c rhaIzEODyqoVTnj8XBTQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oeHtq-00ABKW-KA; Fri, 30 Sep 2022 15:26:03 +0000 Received: from mail-m121145.qiye.163.com ([115.236.121.145]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oeHtk-00ABGa-Fa; Fri, 30 Sep 2022 15:25:58 +0000 Received: from amadeus-VLT-WX0.lan (unknown [110.81.126.164]) by mail-m121145.qiye.163.com (Hmail) with ESMTPA id 6618E800093; Fri, 30 Sep 2022 23:25:40 +0800 (CST) From: Chukun Pan To: linux.amoon@gmail.com Cc: heiko@sntech.de, robh+dt@kernel.org, michael.riesch@wolfvision.net, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Chukun Pan Subject: [PATCH 0/1] Re: [PATCH-next v1] arm64: dts: rockchip: Enable NVM Express PCIe controller on rock3a Date: Fri, 30 Sep 2022 23:25:31 +0800 Message-Id: <20220930152531.5910-1-amadeus@jmu.edu.cn> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 X-HM-Spam-Status: e1kfGhgUHx5ZQUpXWQgPGg8OCBgUHx5ZQUlOS1dZFg8aDwILHllBWSg2Ly tZV1koWUFITzdXWS1ZQUlXWQ8JGhUIEh9ZQVkaSh1DVkhPTk0fSE1MHx9IT1UTARMWGhIXJBQOD1 lXWRgSC1lBWUpKS1VDSlVKSU1VSk1PWVdZFhoPEhUdFFlBWU9LSFVKSktISkNVSktLVUtZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6OjY6Kio5MD0iUVZJKEk3Ojk4 KBkwCStVSlVKTU1PTk5KTk9KS0pNVTMWGhIXVRoWGh8eDgg7ERYOVR4fDlUYFUVZV1kSC1lBWUpK S1VDSlVKSU1VSk1PWVdZCAFZQUhMTU03Bg++ X-HM-Tid: 0a838f00d7a0b03akuuu6618e800093 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220930_082556_752223_0DA7E131 X-CRM114-Status: UNSURE ( 7.29 ) X-CRM114-Notice: Please train this message. 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 Hi Anand, > No, It's not working on my board. > If you check the driver code it requires *data-line* and *num-lanes > from the dts. I have successfully tested NVME hard drives on my board. See below for the patch, looking forward to your testing. root@rock3a:~# lspci 0000:00:00.0 PCI bridge: Rockchip Electronics Co., Ltd \ RK3568 Remote Signal Processor (rev 01) 0000:01:00.0 Network controller: MEDIATEK Corp. MT7921 \ 802.11ax PCI Express Wireless Network Adapter 0002:00:00.0 PCI bridge: Rockchip Electronics Co., Ltd \ RK3568 Remote Signal Processor (rev 01) 0002:01:00.0 Non-Volatile memory controller: Sandisk Corp \ PC SN520 NVMe SSD (rev 01) Patch: --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts @@ -67,6 +67,37 @@ vcc12v_dcin: vcc12v-dcin-regulator { regulator-boot-on; }; + pcie30_avdd0v9: pcie30-avdd0v9-regulator { + compatible = "regulator-fixed"; + regulator-name = "pcie30_avdd0v9"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <900000>; + regulator-max-microvolt = <900000>; + vin-supply = <&vcc3v3_sys>; + }; + + pcie30_avdd1v8: pcie30-avdd1v8-regulator { + compatible = "regulator-fixed"; + regulator-name = "pcie30_avdd1v8"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + vin-supply = <&vcc3v3_sys>; + }; + + /* pi6c pcie clock generator */ + vcc3v3_pi6c_03: vcc3v3-pi6c-03-regulator { + compatible = "regulator-fixed"; + regulator-name = "vcc3v3_pi6c_03"; + regulator-always-on; + regulator-boot-on; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&vcc5v0_sys>; + }; + vcc3v3_pcie: vcc3v3-pcie-regulator { compatible = "regulator-fixed"; enable-active-high; @@ -546,6 +577,19 @@ &pcie2x1 { status = "okay"; }; +&pcie30phy { + phy-supply = <&vcc3v3_pi6c_03>; + status = "okay"; +}; + +&pcie3x2 { + pinctrl-names = "default"; + pinctrl-0 = <&pcie30x2m1_pins>; + reset-gpios = <&gpio2 RK_PD6 GPIO_ACTIVE_HIGH>; + vpcie3v3-supply = <&vcc3v3_pcie>; + status = "okay"; +}; + &pinctrl { cam { vcc_cam_en: vcc_cam_en {