From nobody Tue Feb 10 01:58:49 2026 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 DBFE2C001B0 for ; Mon, 17 Jul 2023 17:27:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229525AbjGQR1S (ORCPT ); Mon, 17 Jul 2023 13:27:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42960 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230500AbjGQR1D (ORCPT ); Mon, 17 Jul 2023 13:27:03 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF16AD8; Mon, 17 Jul 2023 10:26:57 -0700 (PDT) Received: from jupiter.universe (dyndsl-091-248-189-171.ewe-ip-backbone.de [91.248.189.171]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: sre) by madras.collabora.co.uk (Postfix) with ESMTPSA id E09F86606FC8; Mon, 17 Jul 2023 18:26:55 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1689614816; bh=GALTLk1kp81TWDcsFroSmRcnp70s2ikSUk1HG3RlfRQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cZUsBZPo1A8U4vH4pXrI8+kODvY49w9R9s8Bz+sAvYJ6s81eW9IL/9fHAQ5b30ZlH tQZa/pCyp5f2FzezGXpQGbAKmIb7mmxWwlBJU5YMGVS4FukE/HswiUgOn2HiLasLpa sYXVwsyu81hz8eLju/qLDwAhVz2IDbq3amZfGnFYgbAjW4Z3NuAcWtqEhSKPa9+NOB XuDHyHbZiv1/Q7vIgCnkRsAD42yrtPXOKOZgGUnqSLMlYrYFZTpceESix/i5XJZOCk e9fV/ZLZJl6joamxDS9PxW5sW+wbPC30ZRna+SyZ1Ggs6gJCA+mTLAfeYV8Yw0qQ8g F+31a4qQxOUKA== Received: by jupiter.universe (Postfix, from userid 1000) id 1EE9D480C7A; Mon, 17 Jul 2023 19:26:53 +0200 (CEST) From: Sebastian Reichel To: linux-pci@vger.kernel.org, linux-rockchip@lists.infradead.org, Serge Semin Cc: Jingoo Han , Gustavo Pimentel , Bjorn Helgaas , Lorenzo Pieralisi , =?UTF-8?q?Krzysztof=20Wilczy=C5=84ski?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Shawn Lin , Simon Xue , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sebastian Reichel , kernel@collabora.com Subject: [PATCH v3 4/5] dt-bindings: PCI: dwc: rockchip: Add missing legacy-interrupt-controller Date: Mon, 17 Jul 2023 19:26:50 +0200 Message-Id: <20230717172651.64324-5-sebastian.reichel@collabora.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230717172651.64324-1-sebastian.reichel@collabora.com> References: <20230717172651.64324-1-sebastian.reichel@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Rockchip RK356x and RK3588 handle legacy interrupts via a ganged interrupts. The RK356x DT implements this via a sub-node named "legacy-interrupt-controller", just like a couple of other PCIe implementations. This adds proper documentation for this and updates the example to avoid regressions. Reviewed-by: Rob Herring Signed-off-by: Sebastian Reichel --- .../bindings/pci/rockchip-dw-pcie.yaml | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml b/= Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml index ad9954f7fe02..1ae8dcfa072c 100644 --- a/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml +++ b/Documentation/devicetree/bindings/pci/rockchip-dw-pcie.yaml @@ -93,6 +93,28 @@ properties: - const: legacy - const: err =20 + legacy-interrupt-controller: + description: Interrupt controller node for handling legacy PCI interru= pts. + type: object + additionalProperties: false + properties: + "#address-cells": + const: 0 + + "#interrupt-cells": + const: 1 + + interrupt-controller: true + + interrupts: + items: + - description: combined legacy interrupt + required: + - "#address-cells" + - "#interrupt-cells" + - interrupt-controller + - interrupts + msi-map: true =20 num-lanes: true @@ -180,6 +202,14 @@ examples: reset-names =3D "pipe"; #address-cells =3D <3>; #size-cells =3D <2>; + + legacy-interrupt-controller { + interrupt-controller; + #address-cells =3D <0>; + #interrupt-cells =3D <1>; + interrupt-parent =3D <&gic>; + interrupts =3D ; + }; }; }; ... --=20 2.40.1