From patchwork Wed Apr 14 10:49:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 12202329 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,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,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 DDAECC433ED for ; Wed, 14 Apr 2021 10:53:36 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 57C6261242 for ; Wed, 14 Apr 2021 10:53:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 57C6261242 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=aspeedtech.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; 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=2zB9ZKycgQfL0385a4VTN/nl685qtB6DKoUODaJ+TMQ=; b=ZX9RiYB01hoJUrU9vfpbQutSE xZuHg/penXkM6CMf+9ShLSUvIHMOTN+W9FArhl5HCmTGf+vCoHMuuXrEUk/J4P7a78MQs2qaCMlDW m/3k/bw251yC0OM2jvljgMEXAyQpbdC7rge+ZMMsIfqvfpbYyfyM2aY9/5VAl7W2dLqiTjTM/fpjO MR5RVGFDYIP/y4OwHYnWpkh+YjnEmRHVrnSskdOnoNJyLFW6JI16U8nKyImNP0sYx2knIhORz8SAl CFfGjFaKTWiZ4W1fIZCcvoJ4tVfVG2IQAOqIejWVadV+3n4zwv/zh6Oyn+ckei8uZUeYKMLCAthig aQUsh2E2g==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lWd7z-00CKMg-Mf; Wed, 14 Apr 2021 10:52:11 +0000 Received: from casper.infradead.org ([2001:8b0:10b:1236::1]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lWd7v-00CKMB-Ms for linux-arm-kernel@desiato.infradead.org; Wed, 14 Apr 2021 10:52:07 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Type:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:CC:To:From:Sender :Reply-To:Content-ID:Content-Description; bh=iOfiIpTlPTOApoLTyblpX9V4uhhp2Md1WehiAWqQIY8=; b=Tp4CmPDq8PXHeva0kS5xQFr356 xtAv/mCy04LRdVvCbyX6uz8iUFa8oO1tOaYWuwceQWuIy0m/tR2bh+sezOhKHnTc8O93LFbTqOWg3 eBN03LyrEUVQqwwFXH8RWtOQ5W4+MgTZSEEQKBJmSKyKc7iNdYWVZocfso8Xb70TP9AmckF1m46if g1NDvFuT3PuzhQ9oa1cNSUgmH9qm1JgITaE9Dh9eVXG8sB+MArd3AJB1qlJgzU39EfDHqosq2WZwf ibagxYoC+q2ynI82nFX0KC1hDqHANSZC8R5SCcktFNiauqWFGpnNnr/CniH9HhnEfeMSxxzoIPOrh weK1kqBg==; Received: from twspam01.aspeedtech.com ([211.20.114.71]) by casper.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lWd7A-0070Nx-9L for linux-arm-kernel@lists.infradead.org; Wed, 14 Apr 2021 10:51:48 +0000 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 13EAd1LU057544; Wed, 14 Apr 2021 18:39:01 +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, 14 Apr 2021 18:49:31 +0800 From: Billy Tsai To: , , , , , , , , , , , , CC: Subject: [v2 1/2] dt-bindings: Add bindings for aspeed pwm-tach and pwm. Date: Wed, 14 Apr 2021 18:49:38 +0800 Message-ID: <20210414104939.1093-2-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210414104939.1093-1-billy_tsai@aspeedtech.com> References: <20210414104939.1093-1-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 13EAd1LU057544 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210414_115132_642166_5BAA82BB X-CRM114-Status: GOOD ( 12.72 ) 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 This patch adds device bindings for aspeed pwm-tach device which is a multi-function device include pwn and tach function and pwm device which should be the sub-node of pwm-tach device. Signed-off-by: Billy Tsai Change-Id: I18d9dea14c3a04e1b7e38ffecd49d45917b9b545 --- .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 60 +++++++++++++++++++ .../bindings/pwm/aspeed,ast2600-pwm.yaml | 44 ++++++++++++++ 2 files changed, 104 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml create mode 100644 Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml diff --git a/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml new file mode 100644 index 000000000000..eaf8bdf8d44e --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml @@ -0,0 +1,60 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 ASPEED, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/aspeed,ast2600-pwm-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: PWM Tach controller Device Tree Bindings + +description: | + The PWM Tach controller is represented as a multi-function device which + includes: + PWM + Tach + +maintainers: + - Billy Tsai + +properties: + compatible: + items: + - enum: + - aspeed,ast2600-pwm-tach + - const: syscon + - const: simple-mfd + reg: + maxItems: 1 + "#address-cells": + const: 1 + "#size-cells": + const: 1 + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: + type: object + +examples: + - | + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1e610000 0x100>; + + pwm: pwm@0 { + compatible = "aspeed,ast2600-pwm"; + #pwm-cells = <3>; + reg = <0x0 0x100>; + }; + + tach: tach@1 { + compatible = "aspeed,ast2600-tach"; + reg = <0x0 0x100>; + }; + }; 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..97923e68ccb9 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,44 @@ +# 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 + + reg: + maxItems: 1 + +additionalProperties: false + +examples: + - | + // The PWM should be a subnode of a "aspeed,ast2600-pwm-tach" compatible + // node. + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x1e610000 0x100>; + + pwm: pwm@0 { + compatible = "aspeed,ast2600-pwm"; + #pwm-cells = <3>; + reg = <0x0 0x100>; + }; + };