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: 13053119 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 B9CCEC43217 for ; Wed, 23 Nov 2022 06:19:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235968AbiKWGTN (ORCPT ); Wed, 23 Nov 2022 01:19:13 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57448 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235903AbiKWGTL (ORCPT ); Wed, 23 Nov 2022 01:19:11 -0500 Received: from twspam01.aspeedtech.com (twspam01.aspeedtech.com [211.20.114.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0225B748D2; Tue, 22 Nov 2022 22:19:07 -0800 (PST) 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 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.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