From patchwork Wed May 29 08:29:00 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Niklas Cassel X-Patchwork-Id: 13678337 X-Patchwork-Delegate: kw@linux.com 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 ED22416A38C; Wed, 29 May 2024 08:29:38 +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=1716971379; cv=none; b=NlZNh+LXbJKfxSI5BxIgzBV5YH10CG8mjVqm6CrU2KMwjP6MCV7W4aurSAhR+Aw2hwvQroE0yIWgHflnDA2FyPdpvEB9zzOxbR7kKRUpEmeJ9vpJBtxhENK+7mVRX0DAGtXL4vYkcmVVenftuud1RRPd1EKEb5YwyGWH3sPFL0k= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1716971379; c=relaxed/simple; bh=nWtMO3Tq70/oK25PGlvcS03OBMjbjH2pdvYUD7wjcIo=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=hNoIsbtj+EfMgvUicDqMRQokEOKQXPYXheqxH8fLoDYOnF/4bvw5KbfR0aSAP0KLDNwr/Kj8UcAFKHxxGBASwaQqIWGWrVCEPuay/SbXJQOD8fwnK37evq1KsRrgqisRBR1By61SHF66VlE8gLmlbWsgW8diK9VORz/BY716Q60= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=caItURaD; 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="caItURaD" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 17907C32786; Wed, 29 May 2024 08:29:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1716971378; bh=nWtMO3Tq70/oK25PGlvcS03OBMjbjH2pdvYUD7wjcIo=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=caItURaDaOim13+0rLMOpCIqrjMpzl+h1Cj4mOwPzjLByJATqglAhJs1TmoCSQp4X fb2MFPCqPaYdp6shprAM5Ct9dg+oZhZn7C1E+/dBwjMpHKQ2X2zlfCfDR6gT4w7YaI HgCn5gtSSAS79R5OLSKYirntMsbfsFmzPqv43lPG5eY/77XJEVtRHNEEhy+eh10Lu3 Cw3HaoxvMERBXIPPP0k0KD5+kw8WB0DNLbMurSstaVcaKcMByLLqSOfLXkdc2lMmrq I3Sf7+HjwHEeMFIhMwx3TnKEiu4ezO9ZC39l/jnVp83igVZ0D/cEh73Xki5kROJeqI Q1jewmNvmGGrw== From: Niklas Cassel Date: Wed, 29 May 2024 10:29:00 +0200 Subject: [PATCH v4 06/13] dt-bindings: rockchip: Add DesignWare based PCIe Endpoint controller Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240529-rockchip-pcie-ep-v1-v4-6-3dc00fe21a78@kernel.org> References: <20240529-rockchip-pcie-ep-v1-v4-0-3dc00fe21a78@kernel.org> In-Reply-To: <20240529-rockchip-pcie-ep-v1-v4-0-3dc00fe21a78@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=5534; i=cassel@kernel.org; h=from:subject:message-id; bh=nWtMO3Tq70/oK25PGlvcS03OBMjbjH2pdvYUD7wjcIo=; b=owGbwMvMwCV2MsVw8cxjvkWMp9WSGNLCnoc2zrrSPHn3/J3Nd/cUnZe+EDr9fdaTwsonp45sy Lss9d3mSEcpC4MYF4OsmCKL7w+X/cXd7lOOK96xgZnDygQyhIGLUwAmErmO4a+4UeWTExGxWgIL ZWM95Z7czpOL37P9+WWHrQ8rvTkWdskx/LOWu3f2xvn3gr9qvqoe/7Xi0k4OG17eL4nBQQXce/a od3ACAA== X-Developer-Key: i=cassel@kernel.org; a=openpgp; fpr=5ADE635C0E631CBBD5BE065A352FE6582ED9B5DA Document DT bindings for PCIe Endpoint controller found in Rockchip SoCs. Signed-off-by: Niklas Cassel Reviewed-by: Rob Herring (Arm) Reviewed-by: Manivannan Sadhasivam --- .../bindings/pci/rockchip-dw-pcie-common.yaml | 14 ++++ .../bindings/pci/rockchip-dw-pcie-ep.yaml | 95 ++++++++++++++++++++++ 2 files changed, 109 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml index ec5e6a3d048e..cc9adfc7611c 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-common.yaml @@ -39,6 +39,7 @@ properties: - const: ref interrupts: + minItems: 5 items: - description: Combined system interrupt, which is used to signal the following @@ -63,14 +64,27 @@ properties: interrupts - aer_rc_err, aer_rc_err_msi, rx_cpl_timeout, tx_cpl_timeout, cor_err_sent, nf_err_sent, f_err_sent, cor_err_rx, nf_err_rx, f_err_rx, radm_qoverflow + - description: + eDMA write channel 0 interrupt + - description: + eDMA write channel 1 interrupt + - description: + eDMA read channel 0 interrupt + - description: + eDMA read channel 1 interrupt interrupt-names: + minItems: 5 items: - const: sys - const: pmc - const: msg - const: legacy - const: err + - const: dma0 + - const: dma1 + - const: dma2 + - const: dma3 num-lanes: true diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml new file mode 100644 index 000000000000..e0c8668afc01 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie-ep.yaml @@ -0,0 +1,95 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/rockchip-dw-pcie-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: DesignWare based PCIe Endpoint controller on Rockchip SoCs + +maintainers: + - Niklas Cassel + +description: |+ + RK3588 SoC PCIe Endpoint controller is based on the Synopsys DesignWare + PCIe IP and thus inherits all the common properties defined in + snps,dw-pcie-ep.yaml. + +allOf: + - $ref: /schemas/pci/snps,dw-pcie-ep.yaml# + - $ref: /schemas/pci/rockchip-dw-pcie-common.yaml# + +properties: + compatible: + enum: + - rockchip,rk3568-pcie-ep + - rockchip,rk3588-pcie-ep + + reg: + items: + - description: Data Bus Interface (DBI) registers + - description: Data Bus Interface (DBI) shadow registers + - description: Rockchip designed configuration registers + - description: Memory region used to map remote RC address space + - description: Address Translation Unit (ATU) registers + + reg-names: + items: + - const: dbi + - const: dbi2 + - const: apb + - const: addr_space + - const: atu + +required: + - interrupts + - interrupt-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + #include + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + + 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"; + }; + }; +...