From patchwork Mon Nov 21 12:43:53 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13050861 X-Patchwork-Delegate: lorenzo.pieralisi@arm.com 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 145E4C43219 for ; Mon, 21 Nov 2022 12:44:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229969AbiKUMoN (ORCPT ); Mon, 21 Nov 2022 07:44:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35910 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230383AbiKUMoM (ORCPT ); Mon, 21 Nov 2022 07:44:12 -0500 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id AC192BF833; Mon, 21 Nov 2022 04:44:10 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.96,181,1665414000"; d="scan'208";a="143416640" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie6.idc.renesas.com with ESMTP; 21 Nov 2022 21:44:09 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 3C3284923703; Mon, 21 Nov 2022 21:44:09 +0900 (JST) From: Yoshihiro Shimoda To: lpieralisi@kernel.org, robh+dt@kernel.org, kw@linux.com, bhelgaas@google.com, krzk+dt@kernel.org Cc: marek.vasut+renesas@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda , Rob Herring Subject: [PATCH v7 2/9] dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Endpoint Date: Mon, 21 Nov 2022 21:43:53 +0900 Message-Id: <20221121124400.1282768-3-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221121124400.1282768-1-yoshihiro.shimoda.uh@renesas.com> References: <20221121124400.1282768-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org Document bindings for Renesas R-Car Gen4 and R-Car S4-8 (R8A779F0) PCIe endpoint module. Signed-off-by: Yoshihiro Shimoda Reviewed-by: Rob Herring --- .../bindings/pci/rcar-gen4-pci-ep.yaml | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml diff --git a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml new file mode 100644 index 000000000000..4b10d67e4336 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/rcar-gen4-pci-ep.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car Gen4 PCIe Endpoint + +maintainers: + - Yoshihiro Shimoda + +allOf: + - $ref: snps,dw-pcie-ep.yaml# + +properties: + compatible: + items: + - const: renesas,r8a779f0-pcie-ep # R-Car S4-8 + - const: renesas,rcar-gen4-pcie-ep # R-Car Gen4 + + reg: + maxItems: 4 + + reg-names: + items: + - const: dbi + - const: atu + - const: appl + - const: addr_space + + interrupts: + maxItems: 3 + + interrupt-names: + items: + - const: dma + - const: sft_ce + - const: app + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + clocks: + maxItems: 1 + + max-link-speed: true + + num-lanes: true + +required: + - compatible + - reg + - reg-names + - interrupts + - resets + - power-domains + - clocks + +additionalProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie0_ep: pcie-ep@e65d0000 { + compatible = "renesas,r8a779f0-pcie-ep", "renesas,rcar-gen4-pcie-ep"; + reg = <0 0xe65d0000 0 0x1000>, <0 0xe65d1000 0 0x1000>, + <0 0xe65d3000 0 0x2000>, <0 0xfe000000 0 0x400000>; + reg-names = "dbi", "atu", "appl", "addr_space"; + interrupts = , + , + ; + interrupt-names = "dma", "sft_ce", "app"; + clocks = <&cpg CPG_MOD 624>; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 624>; + num-lanes = <2>; + max-link-speed = <2>; + }; + };