From patchwork Thu May 6 06:10:49 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 431786 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 D21B8C433B4 for ; Thu, 6 May 2021 06:10:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B133B61378 for ; Thu, 6 May 2021 06:10:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229861AbhEFGLv (ORCPT ); Thu, 6 May 2021 02:11:51 -0400 Received: from twspam01.aspeedtech.com ([211.20.114.71]:27491 "EHLO twspam01.aspeedtech.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229517AbhEFGLv (ORCPT ); Thu, 6 May 2021 02:11:51 -0400 Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 1465vjqF003653; Thu, 6 May 2021 13:57:45 +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; Thu, 6 May 2021 14:09:32 +0800 From: Billy Tsai To: , , , , , , , , , , , , CC: Subject: [v3 1/2] dt-bindings: Add bindings for aspeed pwm-tach and pwm. Date: Thu, 6 May 2021 14:10:49 +0800 Message-ID: <20210506061050.8001-2-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210506061050.8001-1-billy_tsai@aspeedtech.com> References: <20210506061050.8001-1-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 1465vjqF003653 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.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 --- .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 55 +++++++++++++++++++ .../bindings/pwm/aspeed,ast2600-pwm.yaml | 41 ++++++++++++++ 2 files changed, 96 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..9626bbd50acd --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml @@ -0,0 +1,55 @@ +# 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 + clocks: + maxItems: 1 + resets: + maxItems: 1 + +required: + - compatible + - reg + - clocks + - resets + +additionalProperties: + type: object + +examples: + - | + #include + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + + pwm: pwm { + compatible = "aspeed,ast2600-pwm"; + #pwm-cells = <3>; + }; + }; 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..78db1c9c9b10 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,41 @@ +# 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 + +additionalProperties: false + +examples: + - | + // The PWM should be a subnode of a "aspeed,ast2600-pwm-tach" compatible + // node. + #include + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + + pwm: pwm { + compatible = "aspeed,ast2600-pwm"; + #pwm-cells = <3>; + }; + };