From patchwork Wed Aug 23 09:11:49 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 716289 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 E8453EE49B4 for ; Wed, 23 Aug 2023 09:26:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235390AbjHWJ0s (ORCPT ); Wed, 23 Aug 2023 05:26:48 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235249AbjHWJ0H (ORCPT ); Wed, 23 Aug 2023 05:26:07 -0400 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 61E9110C4; Wed, 23 Aug 2023 02:12:39 -0700 (PDT) X-IronPort-AV: E=Sophos;i="6.01,195,1684767600"; d="scan'208";a="173694744" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie5.idc.renesas.com with ESMTP; 23 Aug 2023 18:12:04 +0900 Received: from localhost.localdomain (unknown [10.166.15.32]) by relmlir5.idc.renesas.com (Postfix) with ESMTP id 4CD81400294A; Wed, 23 Aug 2023 18:12:04 +0900 (JST) From: Yoshihiro Shimoda To: jingoohan1@gmail.com, gustavo.pimentel@synopsys.com, lpieralisi@kernel.org, robh+dt@kernel.org, kw@linux.com, manivannan.sadhasivam@linaro.org, bhelgaas@google.com, kishon@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org Cc: marek.vasut+renesas@gmail.com, fancer.lancer@gmail.com, linux-pci@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Yoshihiro Shimoda , Rob Herring , Manivannan Sadhasivam Subject: [PATCH v19 15/19] dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Endpoint Date: Wed, 23 Aug 2023 18:11:49 +0900 Message-Id: <20230823091153.2578417-16-yoshihiro.shimoda.uh@renesas.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230823091153.2578417-1-yoshihiro.shimoda.uh@renesas.com> References: <20230823091153.2578417-1-yoshihiro.shimoda.uh@renesas.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@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 Reviewed-by: Serge Semin Acked-by: Manivannan Sadhasivam --- .../bindings/pci/rcar-gen4-pci-ep.yaml | 106 ++++++++++++++++++ 1 file changed, 106 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..4e6be856104c --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-ep.yaml @@ -0,0 +1,106 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022-2023 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: 6 + + reg-names: + items: + - const: dbi + - const: dbi2 + - const: atu + - const: dma + - const: app + - 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: 2 + + clock-names: + items: + - const: core + - const: ref + + max-functions: + maximum: 2 + + max-link-speed: + maximum: 4 + + num-lanes: + maximum: 4 + +required: + - compatible + - reg + - reg-names + - interrupts + - resets + - power-domains + - clocks + - clock-names + +unevaluatedProperties: 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 0x2000>, <0 0xe65d2800 0 0x0800>, + <0 0xe65d3000 0 0x2000>, <0 0xe65d5000 0 0x1200>, + <0 0xe65d6200 0 0x0e00>, <0 0xfe000000 0 0x400000>; + reg-names = "dbi", "dbi2", "atu", "dma", "app", "addr_space"; + interrupts = , + , + ; + interrupt-names = "dma", "sft_ce", "app"; + clocks = <&cpg CPG_MOD 624>, <&pcie0_clkref>; + clock-names = "core", "ref"; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 624>; + num-lanes = <2>; + max-link-speed = <4>; + max-functions = /bits/ 8 <2>; + }; + };