From patchwork Wed Nov 23 06:16:32 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 13053129 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 0D44DC433FE for ; Wed, 23 Nov 2022 06:26:09 +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:To:From:Reply-To:Cc:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=EWGg66/yBbPR7uu+it59UkxjHSyzB8CsJ4Kz41Uzb1M=; b=Sapw9EiJGu4gj5 B7xZ4BWTiiJnIDHMZikTURTNyMiQ4TmhyJdkmnPHx7kzwiv9mQGTB/Kla+hf0RY24SXd0dIymNQWJ /AIijwQMVVSL+0QyVc+UPgBneJdU1B/85r/aMzbKSMxYNlUkElZaSVYZhrUjUWCO4rfazSugziwkv avgVCW8+D7OOgdOoMMwEcgMYhBD9KVT4lPIp9gvyv0EDKSP0gWl0/lGX8YW8Fcw1a43CRUs2FSzyZ mDuWJ+uctyu9LtMZxE0k7W5TSbRNCkyQquvgnR/XsWEJNSFdq0JbiwTzDj1tXELdJQ7dXRf2lug6a agaNXU1jjt9lrpYFamKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxjBv-00Efd7-PQ; Wed, 23 Nov 2022 06:25:04 +0000 Received: from twspam01.aspeedtech.com ([211.20.114.71]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oxj4W-00Ecbb-NO for linux-arm-kernel@lists.infradead.org; Wed, 23 Nov 2022 06:17:29 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 2AN5pU4J081940; Wed, 23 Nov 2022 13:51:30 +0800 (GMT-8) (envelope-from billy_tsai@aspeedtech.com) Received: from BillyTsai-pc.aspeed.com (192.168.2.149) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 23 Nov 2022 14:15:55 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , , Subject: [v4 2/5] dt-bindings: pwm: Add bindings for aspeed pwm controller Date: Wed, 23 Nov 2022 14:16:32 +0800 Message-ID: <20221123061635.32025-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221123061635.32025-1-billy_tsai@aspeedtech.com> References: <20221123061635.32025-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 X-Originating-IP: [192.168.2.149] X-ClientProxiedBy: TWMBX02.aspeed.com (192.168.0.24) To TWMBX02.aspeed.com (192.168.0.24) X-DNSRBL: X-MAIL: twspam01.aspeedtech.com 2AN5pU4J081940 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221122_221725_278900_275B2A02 X-CRM114-Status: GOOD ( 11.39 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Add the aspeed pwm device bindings which should be the child-node of pwm-tach mfd. Signed-off-by: Billy Tsai --- .../bindings/pwm/aspeed,ast2600-pwm.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml new file mode 100644 index 000000000000..68a60fc73902 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Aspeed, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/aspeed,ast2600-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed Ast2600 PWM controller + +maintainers: + - Billy Tsai + +description: | + The Aspeed PWM controller supports up to 16 PWM outputs. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + enum: + - aspeed,ast2600-pwm + + "#pwm-cells": + const: 3 +patternProperties: + "^pwm@[a-z0-9]+$": + description: Set extend properties for each pwm channel. + type: object + properties: + reg: + description: + The pwm channel index. + maxItems: 1 + + aspeed,wdt-reload-enable: + type: boolean + description: + Enable the function of wdt reset reload duty point. + + aspeed,wdt-reload-duty-point: + description: + Define the duty point after wdt reset, 0 = 100% + minimum: 0 + maximum: 255 + required: + - reg + +required: + - compatible + +additionalProperties: false