From patchwork Fri Sep 2 06:00:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Neal Liu X-Patchwork-Id: 12963634 X-Patchwork-Delegate: herbert@gondor.apana.org.au 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 E1EF6C54EE9 for ; Fri, 2 Sep 2022 06:02:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234778AbiIBGCA (ORCPT ); Fri, 2 Sep 2022 02:02:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60184 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235316AbiIBGBm (ORCPT ); Fri, 2 Sep 2022 02:01:42 -0400 Received: from twspam01.aspeedtech.com (twspam01.aspeedtech.com [211.20.114.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 60DE4ABD7B; Thu, 1 Sep 2022 23:01:41 -0700 (PDT) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 2825eWm7091015; Fri, 2 Sep 2022 13:40:33 +0800 (GMT-8) (envelope-from neal_liu@aspeedtech.com) Received: from localhost.localdomain (192.168.10.10) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Fri, 2 Sep 2022 14:00:16 +0800 From: Neal Liu To: Dhananjay Phadke , Herbert Xu , "David S . Miller" , "Joel Stanley" , Andrew Jeffery , Rob Herring , Krzysztof Kozlowski , "Chia-Wei Wang --cc=linux-kernel @ vger . kernel . org" CC: , , , , , Subject: [PATCH v1 4/4] dt-bindings: bus: add documentation for Aspeed AHBC Date: Fri, 2 Sep 2022 14:00:12 +0800 Message-ID: <20220902060012.3758637-5-neal_liu@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220902060012.3758637-1-neal_liu@aspeedtech.com> References: <20220902060012.3758637-1-neal_liu@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.10.10] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 2825eWm7091015 Precedence: bulk List-ID: X-Mailing-List: linux-crypto@vger.kernel.org Add device tree binding documentation for the Aspeed Advanced High-Performance Bus (AHB) Controller. Signed-off-by: Neal Liu --- .../bindings/bus/aspeed,ast2600-ahbc.yaml | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100644 Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml diff --git a/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml b/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml new file mode 100644 index 000000000000..ca09eb531666 --- /dev/null +++ b/Documentation/devicetree/bindings/bus/aspeed,ast2600-ahbc.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/bus/aspeed,ast2600-ahbc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED Advanced High-Performance Bus Controller (AHBC) Device Tree Bindings + +maintainers: + - Neal Liu + - Chia-Wei Wang + +description: | + Advanced High-performance Bus Controller (AHBC) supports plenty of mechanisms + including a priority arbiter, an address decoder and a data multiplexer + to control the overall operations of Advanced Highperformance + Bus (AHB). AHB is the main system bus for ARM CPU to communicate with the + related peripherals. + +properties: + compatible: + enum: + - aspeed,ast2600-ahbc + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + ahbc: bus@1e600000 { + compatible = "aspeed,ast2600-ahbc"; + reg = <0x1e600000 0x100>; + };