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arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714478576; cv=none; b=qfXC4LD5Te6S0UTWRSLWjNldYj9tM/x+aWDHMBYFlZwLhOp0DYFK8l27fLcmE7S4WHWeM2zVG8aZ37gY9z0L2SJoaoRIlNVnvVhTOMqSbP1OS66JKmbwW4Cv+0E2mSIwSnRzgb90rb3eATbqQo8lMiel3p7XT+fMv2deXoS2snE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714478576; c=relaxed/simple; bh=4qN66Ir2UFp9Lf/FY4N/yTmNKplsIfb7tfx/17jEJAs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=FZLB2EixWdrY8/vbpO4sGVA0gYxskL7Q2sC5s+cNFKM4V8m3189LXPeHZx6MUGObQ08nJlFSXNdvkHG0qzwhmg2jH9pXWATX/NlHgvNXGGEFkUJXOK746ZFx499werlug9irAdpmWAh7hUSpVhQVwfRNf60GO90LtMiGHZDzOBM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=rLHPEnZi; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9AB46C4AF4D; Tue, 30 Apr 2024 12:02:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1714478576; bh=4qN66Ir2UFp9Lf/FY4N/yTmNKplsIfb7tfx/17jEJAs=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=rLHPEnZibt7OJr1eTiQLTuY+eDrC60md33XSlHmvaYOb/805uoAJNmTN2A2zt1zvd Vp2r4tIbeeH+sBIvfWhnb870QL0TqAJP0qlh8ldT3WzdUPuXv5NYyr+w6POdUB+lMf hubF77nk3JmyWgY320MCrJau9CMt4Q2aunuMX8pNnMCHz4i/KS7uZxN1VOmF8IeYXV fMMrLUOEia485MYpqLnt/OvLokk7LevU9upTM7cdxMQ+TLhpWWn3zJo+9FX7/U1YC5 W9AOgYAhHcOwaiTgoAxiQDpWh1DsGG8flHvcLoMyFxKSX4WbqUcSfp46nIEpwsSvAr quF974GACKYTA== From: Niklas Cassel Date: Tue, 30 Apr 2024 14:01:11 +0200 Subject: [PATCH v2 14/14] arm64: dts: rockchip: Add rock5b overlays for PCIe endpoint mode Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240430-rockchip-pcie-ep-v1-v2-14-a0f5ee2a77b6@kernel.org> References: <20240430-rockchip-pcie-ep-v1-v2-0-a0f5ee2a77b6@kernel.org> In-Reply-To: <20240430-rockchip-pcie-ep-v1-v2-0-a0f5ee2a77b6@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=3453; i=cassel@kernel.org; h=from:subject:message-id; bh=4qN66Ir2UFp9Lf/FY4N/yTmNKplsIfb7tfx/17jEJAs=; b=owGbwMvMwCV2MsVw8cxjvkWMp9WSGNIM7m5geWLQMk+lOOWKxaY5TY8NLWfW59VXChj3O079t 36z5/O7HaUsDGJcDLJiiiy+P1z2F3e7TzmueMcGZg4rE8gQBi5OAZiIRx/DX0Ep2ziB7uclkluv 2dk9Ds94fWJv7+Y8vkj+dlvBl/PPBDD8z/69Z/1TJwFWienXbqZsmfZOf0Hjh2DFCwVZhdVMJyd IsAMA X-Developer-Key: i=cassel@kernel.org; a=openpgp; fpr=5ADE635C0E631CBBD5BE065A352FE6582ED9B5DA Add rock5b overlays for PCIe endpoint mode support. If using the rock5b as an endpoint against a normal PC, only the rk3588-rock-5b-pcie-ep.dtbo needs to be applied. If using two rock5b:s, with one board as EP and the other board as RC, rk3588-rock-5b-pcie-ep.dtbo and rk3588-rock-5b-pcie-srns.dtbo has to be applied to the respective boards. Signed-off-by: Niklas Cassel --- arch/arm64/boot/dts/rockchip/Makefile | 5 +++++ .../boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso | 25 ++++++++++++++++++++++ .../dts/rockchip/rk3588-rock-5b-pcie-srns.dtso | 16 ++++++++++++++ 3 files changed, 46 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/Makefile b/arch/arm64/boot/dts/rockchip/Makefile index f906a868b71a..d827432d5111 100644 --- a/arch/arm64/boot/dts/rockchip/Makefile +++ b/arch/arm64/boot/dts/rockchip/Makefile @@ -117,6 +117,8 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-nanopc-t6.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-orangepi-5-plus.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-quartzpro64.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b.dtb +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b-pcie-ep.dtbo +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-rock-5b-pcie-srns.dtbo dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-tiger-haikou.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-toybrick-x0.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588-turing-rk1.dtb @@ -127,3 +129,6 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-nanopi-r6s.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-nanopi-r6c.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5.dtb + +# Enable support for device-tree overlays +DTC_FLAGS_rk3588-rock-5b += -@ diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso new file mode 100644 index 000000000000..672d748fcc67 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-ep.dtso @@ -0,0 +1,25 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * DT-overlay to run the PCIe3_4L Dual Mode controller in Endpoint mode + * in the SRNS (Separate Reference Clock No Spread) configuration. + * + * NOTE: If using a setup with two ROCK 5B:s, with one board running in + * RC mode and the other board running in EP mode, see also the device + * tree overlay: rk3588-rock-5b-pcie-srns.dtso. + */ + +/dts-v1/; +/plugin/; + +&pcie30phy { + rockchip,rx-common-refclk-mode = <0 0 0 0>; +}; + +&pcie3x4 { + status = "disabled"; +}; + +&pcie3x4_ep { + vpcie3v3-supply = <&vcc3v3_pcie30>; + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso new file mode 100644 index 000000000000..1a0f1af65c43 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3588-rock-5b-pcie-srns.dtso @@ -0,0 +1,16 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * DT-overlay to run the PCIe3_4L Dual Mode controller in Root Complex + * mode in the SRNS (Separate Reference Clock No Spread) configuration. + * + * This device tree overlay is only needed (on the RC side) when running + * a setup with two ROCK 5B:s, with one board running in RC mode and the + * other board running in EP mode. + */ + +/dts-v1/; +/plugin/; + +&pcie30phy { + rockchip,rx-common-refclk-mode = <0 0 0 0>; +};