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: 13839295 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 98D41224F6; Thu, 17 Oct 2024 01:59:20 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729130360; cv=none; b=tL4TAHOCmb+U0eLy9n+6Tya3vxbXmiUONboMk0IU7RvwGcMzSR1l2+1Yeek+W+L/lLxl67+Tb+z6HyKTc6sa8YS/OLNxNwgiK9dfIAU4oyOi6P/5GFrSRIlmjECIf+AYAhMMa7Uj3GzwnpAYWAg2Yp16YLI305l/RmguUPkuZFQ= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1729130360; c=relaxed/simple; bh=9A4ebH99NqbJvu4o7NsI8CnYt8jbJv19+dSmlm3CaL8=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PeGfQ36rGobDlz0TBVievpWk2eZYUNzzr7Z/jKZyFoA1Lq83uMDWGEQUl291i/MNvAcnWCAwbPdJ0jySzD2dqc4vcYT49vBDbYkFKiddoMZpfninv+Cw+34qd+pxKj7aBzNY2nVaOYdYbuW4jdd/41cV2pg2hc6SiRbyYSpxYKc= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=OuGE6ufX; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="OuGE6ufX" 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> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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"; +};