From patchwork Tue Nov 7 10:39:54 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 1860945 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=permerror (SPF Permanent Error: More than 10 MX records returned) smtp.mailfrom=vger.kernel.org (client-ip=147.75.199.223; helo=ny.mirrors.kernel.org; envelope-from=devicetree+bounces-14317-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [147.75.199.223]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SPl9C19M4z1yQg for ; Tue, 7 Nov 2023 21:40:15 +1100 (AEDT) Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ny.mirrors.kernel.org (Postfix) with ESMTPS id 13ECA1C20BE2 for ; Tue, 7 Nov 2023 10:40:13 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 0D96029D0A; Tue, 7 Nov 2023 10:40:09 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=none X-Original-To: devicetree@vger.kernel.org Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 616AB1EB51; Tue, 7 Nov 2023 10:40:05 +0000 (UTC) Received: from TWMBX03.aspeed.com (mail.aspeedtech.com [211.20.114.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D31C0101; Tue, 7 Nov 2023 02:40:03 -0800 (PST) Received: from TWMBX02.aspeed.com (192.168.0.24) by TWMBX03.aspeed.com (192.168.0.62) with Microsoft SMTP Server (TLS) id 15.0.1497.2; Tue, 7 Nov 2023 18:39:57 +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; Tue, 7 Nov 2023 18:39:57 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH v10 2/3] dt-bindings: hwmon: Support Aspeed g6 PWM TACH Control Date: Tue, 7 Nov 2023 18:39:54 +0800 Message-ID: <20231107103955.1166655-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231107103955.1166655-1-billy_tsai@aspeedtech.com> References: <20231107103955.1166655-1-billy_tsai@aspeedtech.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 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 | 69 +++++++++++++++++++ 1 file changed, 69 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..c615fb10705c --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,g6-pwm-tach.yaml @@ -0,0 +1,69 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2023 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 + +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. + They are independent hardware blocks, which are different from the + previous version of the ASPEED chip. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm-tach + + reg: + maxItems: 1 + + clocks: + maxItems: 1 + + resets: + maxItems: 1 + + "#pwm-cells": + const: 3 + +patternProperties: + "^fan-[0-9]+$": + $ref: fan-common.yaml# + unevaluatedProperties: false + 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>; + + fan-0 { + tach-ch = /bits/ 8 <0x0>; + }; + + fan-1 { + tach-ch = /bits/ 8 <0x1 0x2>; + }; + };