From patchwork Wed Apr 24 15:16:29 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 13642005 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 EC217C10F15 for ; Wed, 24 Apr 2024 15:17:34 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=7GrzYuNiPHs/QTI4KLx7UVz2l/cyG+SG312DlaLVvyo=; b=vJ6m08VOb7rqUu AimGf6cISy1hDb0gCB5TsRCAo5iLObFpQ1To8d+3xM8zXQCa0prEwKb9DWYfEv2KiIPZju4Yrgddi LmaPTC8se8cEKGueMnf3nxbMXX/tq8qg+DJRWu9iVqH9NyHhdZtC/QdiHNb301z37tntjRAJpw+bR S/jQW2ZQalk6Ky490/EVBG54Mwot5Ujd3oXGUTHXr63UFSG8CIH1GrschN0MacwdWQwvUFtmuWWy2 XoGqNXny86tu9iRREQ5CPaLMhT/ZFMPmbgn98hcelbPz5EOGSk1jtxMIcjpadsgDzQSP4mxblxmNd nsGN2nWv8pg09UFpFJhg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzeNG-00000004fdB-0bGY; Wed, 24 Apr 2024 15:17:30 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1rzeNC-00000004fa3-3WCt for linux-rockchip@lists.infradead.org; Wed, 24 Apr 2024 15:17:28 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 9A1FB6199F; Wed, 24 Apr 2024 15:17:25 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7F0E2C2BD10; Wed, 24 Apr 2024 15:17:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1713971845; bh=zV5QDNN0Jd7t4ZstveDXwSQbOhLYZJYhoixvLN8ii44=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=OnsDlWZcC9DizC+dOmyJVV8+GT0YoHuydH2pzQS6r9zNF+YaXzxLOpHWqpDt6acDu ywb+BfirVQJ5AWkbIpnC35obu8SzJkdHRH3XGCpgD4tfn1MhsZQTWcSgevysD5Pc04 wCb6+WHZRzi1N4qoU4xH+/2Sh6xjrW1Ey5DMTshIItJHdDkK1o9FINz+tLaKh9HQDx JGfjRC76s+GHUYMarDLHOvi4LBInDG3NkJ5o3Nl02izIIYCo75T/H23PA9oniO05kL Nb5kyUWYmzjzeo2euqdLMcreb47aBjuOrjfK1o4gY6tiAJH6tkn47A8nID9wpcgM7g QKm7pEVVA3uTw== From: Niklas Cassel Date: Wed, 24 Apr 2024 17:16:29 +0200 Subject: [PATCH 11/12] arm64: dts: rockchip: Add PCIe endpoint mode support MIME-Version: 1.0 Message-Id: <20240424-rockchip-pcie-ep-v1-v1-11-b1a02ddad650@kernel.org> References: <20240424-rockchip-pcie-ep-v1-v1-0-b1a02ddad650@kernel.org> In-Reply-To: <20240424-rockchip-pcie-ep-v1-v1-0-b1a02ddad650@kernel.org> To: Jingoo Han , Manivannan Sadhasivam , Bjorn Helgaas , Lorenzo Pieralisi , =?utf-8?q?Krzysztof_Wilczy?= =?utf-8?q?=C5=84ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Niklas Cassel , Kishon Vijay Abraham I , Arnd Bergmann , Damien Le Moal , Jon Lin , Shawn Lin , Simon Xue Cc: linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-rockchip@lists.infradead.org X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=2324; i=cassel@kernel.org; h=from:subject:message-id; bh=zV5QDNN0Jd7t4ZstveDXwSQbOhLYZJYhoixvLN8ii44=; b=owGbwMvMwCV2MsVw8cxjvkWMp9WSGNI0lYJ2vzOVftD9ZJJ0isXNkldTMw7Lc/+vTGzX+P7v+ LYFWfW7O0pZGMS4GGTFFFl8f7jsL+52n3Jc8Y4NzBxWJpAhDFycAjCReeUMf/hi5NfM91qS0rWw 4qPvO5anzlb5VrfEGUpbDi2667JB9S7D/5q5DucyHlku5mOeZ1cW8tN6cazwelvnXTfzDgWmO7v qMAAA X-Developer-Key: i=cassel@kernel.org; a=openpgp; fpr=5ADE635C0E631CBBD5BE065A352FE6582ED9B5DA X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240424_081727_138592_4D6B0C60 X-CRM114-Status: GOOD ( 10.39 ) 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 device tree node representing PCIe endpoint mode. The controller can either be configured to run in Root Complex or Endpoint node. If a user wants to run the controller in endpoint mode, the user has to disable the pcie3x4 node and enable the pcie3x4_ep node. Signed-off-by: Niklas Cassel --- arch/arm64/boot/dts/rockchip/rk3588.dtsi | 35 ++++++++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3588.dtsi b/arch/arm64/boot/dts/rockchip/rk3588.dtsi index 5519c1430cb7..09a06e8c43b7 100644 --- a/arch/arm64/boot/dts/rockchip/rk3588.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3588.dtsi @@ -136,6 +136,41 @@ pcie3x4_intc: legacy-interrupt-controller { }; }; + pcie3x4_ep: pcie-ep@fe150000 { + compatible = "rockchip,rk3588-pcie-ep"; + clocks = <&cru ACLK_PCIE_4L_MSTR>, <&cru ACLK_PCIE_4L_SLV>, + <&cru ACLK_PCIE_4L_DBI>, <&cru PCLK_PCIE_4L>, + <&cru CLK_PCIE_AUX0>, <&cru CLK_PCIE4L_PIPE>; + clock-names = "aclk_mst", "aclk_slv", + "aclk_dbi", "pclk", + "aux", "pipe"; + interrupts = , + , + , + , + , + , + , + , + ; + interrupt-names = "sys", "pmc", "msg", "legacy", "err", + "dma0", "dma1", "dma2", "dma3"; + max-link-speed = <3>; + num-lanes = <4>; + phys = <&pcie30phy>; + phy-names = "pcie-phy"; + power-domains = <&power RK3588_PD_PCIE>; + reg = <0xa 0x40000000 0x0 0x00100000>, + <0xa 0x40100000 0x0 0x00100000>, + <0x0 0xfe150000 0x0 0x00010000>, + <0x9 0x00000000 0x0 0x40000000>, + <0xa 0x40300000 0x0 0x00100000>; + reg-names = "dbi", "dbi2", "apb", "addr_space", "atu"; + resets = <&cru SRST_PCIE0_POWER_UP>, <&cru SRST_P_PCIE0>; + reset-names = "pwr", "pipe"; + status = "disabled"; + }; + pcie3x2: pcie@fe160000 { compatible = "rockchip,rk3588-pcie", "rockchip,rk3568-pcie"; #address-cells = <3>;