From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0337EC61CE8 for ; Fri, 13 Jun 2025 03:34:52 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=xt1kE67nHe7+nY1UajMQPpVZvZRopEcULBK8AibZrrE=; b=5B+pZEajdNZ3jX rcyqQ1Vw4FWmAOcIQhsUCuHmC4sUNbUMxkKG6UmOkTIneDDf3h/YKTFYugQxJ5lceD48eLWScByoJ mJCUVw1rAOU0pP2InjWazidRXORAhSDa1OKuYvgZPS1H7P7HgbR9/WtmNOQj3DC41+ewZp4xdUWFy EP63aIj4Rc3rE7l1moVvgEB1sYpdKRRCH4aV2eUHLA2VrvxEr4VTNnlPejxM60sJHl4r5+ZKBZnqC fMD6LDMr2Itn8e9QBaU7cHxNMk9YTlA9tHA4pTRXFPLbI57t91kC1PgX6jLyiaS99KtnAID6j3Sda lIFM6CjYYWqe0bpfeu1g==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPvBs-0000000FEtI-2qbu; Fri, 13 Jun 2025 03:34:52 +0000 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX01.aspeed.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uPv7U-0000000FEOC-262G; Fri, 13 Jun 2025 03:30:22 +0000 Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1748.10; Fri, 13 Jun 2025 11:30:02 +0800 Received: from mail.aspeedtech.com (192.168.10.13) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1748.10 via Frontend Transport; Fri, 13 Jun 2025 11:30:02 +0800 From: Jacky Chou To: , , , , , , , , , , , , , , , , , , , , CC: , , , , , Subject: [PATCH 2/7] dt-bindings: pci: Add document for ASPEED PCIe Config Date: Fri, 13 Jun 2025 11:29:56 +0800 Message-ID: <20250613033001.3153637-3-jacky_chou@aspeedtech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250613033001.3153637-1-jacky_chou@aspeedtech.com> References: <20250613033001.3153637-1-jacky_chou@aspeedtech.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250612_203020_539692_5AE6CA7B X-CRM114-Status: GOOD ( 11.55 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org Add device tree binding documentation for the ASPEED AST2600/AST2700 PCIe configuration syscon block. This shared register space is used by multiple PCIe-related devices to coordinate and manage common PCIe settings. The binding describes the required compatible strings and register space for the configuration node. Signed-off-by: Jacky Chou --- .../bindings/pci/aspeed-pcie-cfg.yaml | 41 +++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/pci/aspeed-pcie-cfg.yaml diff --git a/Documentation/devicetree/bindings/pci/aspeed-pcie-cfg.yaml b/Documentation/devicetree/bindings/pci/aspeed-pcie-cfg.yaml new file mode 100644 index 000000000000..6b51eedf4c47 --- /dev/null +++ b/Documentation/devicetree/bindings/pci/aspeed-pcie-cfg.yaml @@ -0,0 +1,41 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pci/aspeed-pcie-cfg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED PCIe Configuration + +maintainers: + - Jacky Chou + +description: | + The ASPEED PCIe configuration syscon block provides a set of registers shared + by multiple PCIe-related devices within the SoC. This node represents the + common configuration space that allows these devices to coordinate and manage + shared PCIe settings, including address mapping, control, and status + registers. The syscon interface enables Linux drivers for various PCIe devices + to access and modify these shared registers in a consistent and centralized + manner. + +properties: + compatible: + enum: + - aspeed,ast2600-pcie-cfg + - aspeed,ast2700-pcie-cfg + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + pcie-cfg@1e770000 { + compatible = "aspeed,ast2600-pcie-cfg"; + reg = <0x1e770000 0x80>; + }; -- 2.43.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy