From patchwork Wed Aug 30 12:32:01 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 13370221 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 98DADC83F01 for ; Wed, 30 Aug 2023 12:32:48 +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=eR0Ni6muEhjLniqKhsL3M/KQt6z/72CALSJHCTIMJJY=; b=xSRaW+uyvN/NiD DOiXLLEy65MfmGwcGuRCGaFTpVS3cuxiw8XGtLUVRgS1NkxkhwqEEp8hUSnXRso/RU/v3rLHzwPwd AUUvgR8ylQ5U4MTEYzPHytqE5s5OdvmchC4+L8zva2rLNX8isDuu2wF16N+TnnYSb5iGcFj81NTeo mWO0I4zqa8Nx2JKXkn5LdaZQjHETwmKiU86IQ4CLhX+k4VVuylnDewMf+QYX7q5PZjVDq2pyY2Ps6 fvJElagsfOnS023jLjuOFbiqxHoZvG5JiyLcUIoBagaOmEiJsSGQPfY1Utd7zSL9cFZBxu2zeyOdt r5Rc7wmIiG/Q1uRBAbSQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1qbKMr-00DTbc-0i; Wed, 30 Aug 2023 12:32:17 +0000 Received: from mail.aspeedtech.com ([211.20.114.72] helo=TWMBX02.aspeed.com) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1qbKMl-00DTYv-2I for linux-arm-kernel@lists.infradead.org; Wed, 30 Aug 2023 12:32:13 +0000 Received: from TWMBX02.aspeed.com (192.168.0.24) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Wed, 30 Aug 2023 20:32:07 +0800 Received: from twmbx02.aspeed.com (192.168.10.10) by TWMBX02.aspeed.com (192.168.0.24) with Microsoft SMTP Server id 15.0.1497.2 via Frontend Transport; Wed, 30 Aug 2023 20:32:07 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v8 2/3] dt-bindings: hwmon: Support Aspeed g6 PWM TACH Control Date: Wed, 30 Aug 2023 20:32:01 +0800 Message-ID: <20230830123202.3408318-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20230830123202.3408318-1-billy_tsai@aspeedtech.com> References: <20230830123202.3408318-1-billy_tsai@aspeedtech.com> MIME-Version: 1.0 Received-SPF: Fail (TWMBX02.aspeed.com: domain of billy_tsai@aspeedtech.com does not designate 192.168.10.10 as permitted sender) receiver=TWMBX02.aspeed.com; client-ip=192.168.10.10; helo=twmbx02.aspeed.com; X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230830_053211_771679_B7456FF6 X-CRM114-Status: UNSURE ( 9.96 ) X-CRM114-Notice: Please train this message. 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 Document the compatible for aspeed,ast2600-pwm-tach device, which can support up to 16 PWM outputs and 16 fan tach input. Signed-off-by: Billy Tsai --- .../bindings/hwmon/aspeed,g6-pwm-tach.yaml | 67 +++++++++++++++++++ 1 file changed, 67 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml diff --git a/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml new file mode 100644 index 000000000000..95bac5588c04 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml @@ -0,0 +1,67 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Aspeed, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/aspeed,g6-pwm-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ASPEED G6 PWM and Fan Tach controller device driver + +maintainers: + - Billy Tsai + +description: | + The ASPEED PWM controller can support up to 16 PWM outputs. + The ASPEED Fan Tacho controller can support up to 16 fan tach input. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm-tach + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + "#pwm-cells": + const: 3 + +patternProperties: + "^fan[0-9a-f]_hwmon+$": + $ref: fan-common.yaml# + required: + - tach-ch + +required: + - reg + - clocks + - resets + - "#pwm-cells" + - compatible + +additionalProperties: false + +examples: + - | + #include + pwm_tach: pwm-tach-controller@1e610000 { + compatible = "aspeed,ast2600-pwm-tach"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + #pwm-cells = <3>; + fan0_hwmon { + tach-ch = <0x0>; + }; + fan1_hwmon { + tach-ch = <0x1>; + }; + fan2_hwmon { + tach-ch = <0x2>; + }; + };