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 X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6918BC43461 for ; Mon, 12 Apr 2021 10:24:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 280EF61354 for ; Mon, 12 Apr 2021 10:24:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239244AbhDLKZH (ORCPT ); Mon, 12 Apr 2021 06:25:07 -0400 Received: from twspam01.aspeedtech.com ([211.20.114.71]:43729 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239028AbhDLKZG (ORCPT ); Mon, 12 Apr 2021 06:25:06 -0400 Received: from twspam01.aspeedtech.com (localhost [127.0.0.2] (may be forged)) by twspam01.aspeedtech.com with ESMTP id 13C9jfnW096733; Mon, 12 Apr 2021 17:45:41 +0800 (GMT-8) (envelope-from billy_tsai@aspeedtech.com) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 13C9iS0o096463; Mon, 12 Apr 2021 17:44:29 +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; Mon, 12 Apr 2021 17:54:50 +0800 From: Billy Tsai To: , , , , , , , , , , , , CC: Subject: [PATCH 2/4] dt-bindings: Add bindings for aspeed pwm Date: Mon, 12 Apr 2021 17:54:55 +0800 Message-ID: <20210412095457.15095-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210412095457.15095-1-billy_tsai@aspeedtech.com> References: <20210412095457.15095-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Content-Type: text/plain; charset=US-ASCII 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 13C9iS0o096463 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch adds device bindings for aspeed pwm device which should be the sub-node of aspeed,ast2600-pwm-tach. Signed-off-by: Billy Tsai --- .../bindings/pwm/aspeed,ast2600-pwm.yaml | 47 +++++++++++++++++++ 1 file changed, 47 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..7a7ff0260d27 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,47 @@ +# 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 can support upto 16 PWM outputs. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm + + "#pwm-cells": + const: 3 + +pwm-cells: + - channel +# period in terms of nanoseconds + - period +# PWM_POLARITY_INVERTED + - flag + +additionalProperties: false + +examples: + - | + // The PWM should be a subnode of a "aspeed,ast2600-pwn-tach" compatible node. + pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "simple-mfd", "syscon"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1e610000 0x100>; + ranges = <0 0x1e610000 0x100>; + pwm: pwm@0 { + compatible = "aspeed,ast2600-pwm"; + #pwm-cells = <3>; + reg = <0x0 0x100>; + }; + }; -- 2.25.1