From patchwork Wed Aug 23 09:11:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yoshihiro Shimoda X-Patchwork-Id: 13361961 X-Patchwork-Delegate: kw@linux.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 A4E39EE49B8 for ; Wed, 23 Aug 2023 09:48:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232131AbjHWJrm (ORCPT ); Wed, 23 Aug 2023 05:47:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41562 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236105AbjHWJlb (ORCPT ); Wed, 23 Aug 2023 05:41:31 -0400 Received: from relmlie6.idc.renesas.com (relmlor2.renesas.com [210.160.252.172]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 39E2A5BB2; Wed, 23 Aug 2023 02:12:28 -0700 (PDT) X-IronPort-AV: E=Sophos;i="6.01,195,1684767600"; d="scan'208";a="177395342" Received: from unknown (HELO relmlir5.idc.renesas.com) ([10.200.68.151]) by relmlie6.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 2434E4002942; 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 Subject: [PATCH v19 14/19] dt-bindings: PCI: renesas: Add R-Car Gen4 PCIe Host Date: Wed, 23 Aug 2023 18:11:48 +0900 Message-Id: <20230823091153.2578417-15-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: linux-pci@vger.kernel.org Document bindings for Renesas R-Car Gen4 and R-Car S4-8 (R8A779F0) PCIe host module. Signed-off-by: Yoshihiro Shimoda Reviewed-by: Rob Herring Reviewed-by: Serge Semin --- .../bindings/pci/rcar-gen4-pci-host.yaml | 123 ++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml diff --git a/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml new file mode 100644 index 000000000000..513a3416dd8e --- /dev/null +++ b/Documentation/devicetree/bindings/pci/rcar-gen4-pci-host.yaml @@ -0,0 +1,123 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2022-2023 Renesas Electronics Corp. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/rcar-gen4-pci-host.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Renesas R-Car Gen4 PCIe Host + +maintainers: + - Yoshihiro Shimoda + +allOf: + - $ref: snps,dw-pcie.yaml# + +properties: + compatible: + items: + - const: renesas,r8a779f0-pcie # R-Car S4-8 + - const: renesas,rcar-gen4-pcie # R-Car Gen4 + + reg: + maxItems: 6 + + reg-names: + items: + - const: dbi + - const: dbi2 + - const: atu + - const: dma + - const: app + - const: config + + interrupts: + maxItems: 4 + + interrupt-names: + items: + - const: msi + - const: dma + - const: sft_ce + - const: app + + clocks: + maxItems: 2 + + clock-names: + items: + - const: core + - const: ref + + power-domains: + maxItems: 1 + + resets: + maxItems: 1 + + resets-names: + items: + - const: pwr + + max-link-speed: + maximum: 4 + + num-lanes: + maximum: 4 + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - power-domains + - resets + - reset-names + +unevaluatedProperties: false + +examples: + - | + #include + #include + #include + + soc { + #address-cells = <2>; + #size-cells = <2>; + + pcie: pcie@e65d0000 { + compatible = "renesas,r8a779f0-pcie", "renesas,rcar-gen4-pcie"; + reg = <0 0xe65d0000 0 0x1000>, <0 0xe65d2000 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", "config"; + #address-cells = <3>; + #size-cells = <2>; + bus-range = <0x00 0xff>; + device_type = "pci"; + ranges = <0x01000000 0 0x00000000 0 0xfe000000 0 0x00400000>, + <0x02000000 0 0x30000000 0 0x30000000 0 0x10000000>; + dma-ranges = <0x42000000 0 0x00000000 0 0x00000000 1 0x00000000>; + interrupts = , + , + , + ; + interrupt-names = "msi", "dma", "sft_ce", "app"; + #interrupt-cells = <1>; + interrupt-map-mask = <0 0 0 7>; + interrupt-map = <0 0 0 1 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 2 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 3 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>, + <0 0 0 4 &gic GIC_SPI 416 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&cpg CPG_MOD 624>, <&clkref>; + clock-names = "core", "ref"; + power-domains = <&sysc R8A779F0_PD_ALWAYS_ON>; + resets = <&cpg 624>; + reset-names = "pwr"; + num-lanes = <2>; + snps,enable-cdm-check; + max-link-speed = <4>; + }; + };