From patchwork Thu Oct 17 01:58:49 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Damien Le Moal X-Patchwork-Id: 13839280 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 8243ED2F7DA for ; Thu, 17 Oct 2024 01:59:29 +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=I+zT85E/JIYy0NeBmTgBshPDhQkj2jm3NXS0E+b9BAc=; b=QUmwNYxUwGBI/H RqQtuZkMfM4U9VNv2jH+pg2XkdACT6K7X3TW5R9Zb2RX6oxGYBK9yiEAlTGWv0xYNgJmbzuswq42U tER8EmuB+TJOyXxjAGV/RtcMINbubc8AoNqd98++dNHWwcAtlRE3UigkSg+u6DU/P/A3fKhgB2Wna KmeLPkmCrcjKvjPY/+PqG3pb7d+oN/8CgBAbxbGhSJmoP5b4Ft/H6q8cgdp/6EujmRxDsAlkpy/Bt H+QwlHqsslyAxnG7z1uughiSbecI5ToLI4J92zr7Eg19mQoaE9O5BPXpHZmO68vzrKOLm9HySbiOz tQRDZrRko/ZgMd78xK3w==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1t1FnS-0000000DV60-1UrV; Thu, 17 Oct 2024 01:59:26 +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 1t1FnN-0000000DV1X-2VPb for linux-rockchip@lists.infradead.org; Thu, 17 Oct 2024 01:59:23 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by nyc.source.kernel.org (Postfix) with ESMTP id C6C85A40DED; Thu, 17 Oct 2024 01:59:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id AC6F5C4CECF; Thu, 17 Oct 2024 01:59:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1729130360; bh=9A4ebH99NqbJvu4o7NsI8CnYt8jbJv19+dSmlm3CaL8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OuGE6ufXFUE0NeStZ4HdNsa491n1fWoJuoK951HoIXZRUIWBGzO2Ny3fRjElgcEds vzJGuaXNQIw/ReQ2rR/sYMpueQhjTM3jEZP4NA7vSWV5aXSEW9CLccXYqkJTre4f9r alB4kDTNFwpgRIM0y20cW9fF3DXah7KZvois+zQUTqaTdxoSm0RPxwzGsRcQ9R09TZ jMqPrPULOO4WUTWMnvPGaUVd1hiOrhYw1hgC1ZMiSWQz0cV5Us/iPq/heQKRt9DOl8 V/+WzkpNHSGJuRp2O5ApzAZnHFSDD2r8N4Vz1y8DKDk4oPpFxp5ilI0H9+2KBmLS+u zdm8sRIgXJnrg== From: Damien Le Moal To: Manivannan Sadhasivam , Lorenzo Pieralisi , Kishon Vijay Abraham I , Shawn Lin , =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , linux-pci@vger.kernel.org, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , devicetree@vger.kernel.org Cc: linux-rockchip@lists.infradead.org, Rick Wertenbroek , Niklas Cassel Subject: [PATCH v5 14/14] arm64: dts: rockchip: Add rockpro64 overlay for PCIe endpoint mode Date: Thu, 17 Oct 2024 10:58:49 +0900 Message-ID: <20241017015849.190271-15-dlemoal@kernel.org> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241017015849.190271-1-dlemoal@kernel.org> References: <20241017015849.190271-1-dlemoal@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20241016_185921_995987_E550006F X-CRM114-Status: GOOD ( 12.06 ) X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org Add a DTS overlay file for the rk3399-rockpro64 DT for enabling PCIe endpoint mode support. Signed-off-by: Damien Le Moal --- arch/arm64/boot/dts/rockchip/Makefile | 1 + .../rockchip/rk3399-rockpro64-pcie-ep.dtso | 20 +++++++++++++++++++ 2 files changed, 21 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3399-rockpro64-pcie-ep.dtso diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile index 09423070c992..184131a58704 100644 --- a/arch/arm64/boot/dts/rockchip/Makefile +++ b/arch/arm64/boot/dts/rockchip/Makefile @@ -73,6 +73,7 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock-pi-4c.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rock960.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64-v2.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-rockpro64-pcie-ep.dtbo dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399-sapphire-excavator.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3399pro-rock-pi-n10.dtb diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-pcie-ep.dtso b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-pcie-ep.dtso new file mode 100644 index 000000000000..cebfb71bebfc --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3399-rockpro64-pcie-ep.dtso @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * DT-overlay to run the PCIe Dual Mode controller in Endpoint mode + * with the #PERST signal handled with gpio2. + */ + +#include +#include + +/dts-v1/; +/plugin/; + +&pcie0 { + status = "disabled"; +}; + +&pcie0_ep { + reset-gpios = <&gpio2 RK_PD4 GPIO_ACTIVE_LOW>; + status = "okay"; +};