From patchwork Tue Nov 7 10:50:23 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 1860955 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=2604:1380:45d1:ec00::1; helo=ny.mirrors.kernel.org; envelope-from=devicetree+bounces-14322-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from ny.mirrors.kernel.org (ny.mirrors.kernel.org [IPv6:2604:1380:45d1:ec00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SPlPD5jzfz1yQK for ; Tue, 7 Nov 2023 21:50:40 +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 CA06E1C20A48 for ; Tue, 7 Nov 2023 10:50:38 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 071A229D15; Tue, 7 Nov 2023 10:50:34 +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 316B228E06; Tue, 7 Nov 2023 10:50:32 +0000 (UTC) Received: from TWMBX03.aspeed.com (mail.aspeedtech.com [211.20.114.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4A34EB6; Tue, 7 Nov 2023 02:50:30 -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 18:50:27 +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 18:50:26 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH RESEND v10 1/3] dt-bindings: hwmon: fan: Add fan binding to schema Date: Tue, 7 Nov 2023 18:50:23 +0800 Message-ID: <20231107105025.1480561-2-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231107105025.1480561-1-billy_tsai@aspeedtech.com> References: <20231107105025.1480561-1-billy_tsai@aspeedtech.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Naresh Solanki Add common fan properties bindings to a schema. Bindings for fan controllers can reference the common schema for the fan child nodes: patternProperties: "^fan@[0-2]": type: object $ref: fan-common.yaml# unevaluatedProperties: false Signed-off-by: Naresh Solanki Signed-off-by: Billy Tsai Reviewed-by: Rob Herring --- .../devicetree/bindings/hwmon/fan-common.yaml | 78 +++++++++++++++++++ 1 file changed, 78 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/fan-common.yaml diff --git a/Documentation/devicetree/bindings/hwmon/fan-common.yaml b/Documentation/devicetree/bindings/hwmon/fan-common.yaml new file mode 100644 index 000000000000..be4ce3bd7f22 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/fan-common.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/fan-common.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common Fan Properties + +maintainers: + - Naresh Solanki + - Billy Tsai + +properties: + max-rpm: + description: + Max RPM supported by fan. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 100000 + + min-rpm: + description: + Min RPM supported by fan. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 1000 + + pulses-per-revolution: + description: + The number of pulse from fan sensor per revolution. + $ref: /schemas/types.yaml#/definitions/uint32 + maximum: 4 + + tach-div: + description: + Divisor for the tach sampling clock, which determines the sensitivity of the tach pin. + $ref: /schemas/types.yaml#/definitions/uint32 + + target-rpm: + description: + The default desired fan speed in RPM. + $ref: /schemas/types.yaml#/definitions/uint32 + + fan-driving-mode: + description: + Select the driving mode of the fan.(DC, PWM and so on) + $ref: /schemas/types.yaml#/definitions/string + + pwms: + description: + PWM provider. + maxItems: 1 + + "#cooling-cells": + const: 2 + + cooling-levels: + description: + The control value which correspond to thermal cooling states. + $ref: /schemas/types.yaml#/definitions/uint32-array + + tach-ch: + description: + The tach channel used for the fan. + $ref: /schemas/types.yaml#/definitions/uint8-array + + label: + description: + Optional fan label + + fan-supply: + description: + Power supply for fan. + + reg: + maxItems: 1 + +additionalProperties: true + +... From patchwork Tue Nov 7 10:50:24 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 1860956 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=2604:1380:40f1:3f00::1; helo=sy.mirrors.kernel.org; envelope-from=devicetree+bounces-14323-incoming-dt=patchwork.ozlabs.org@vger.kernel.org; receiver=patchwork.ozlabs.org) Received: from sy.mirrors.kernel.org (sy.mirrors.kernel.org [IPv6:2604:1380:40f1:3f00::1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4SPlPF5K4gz1yRH for ; Tue, 7 Nov 2023 21:50:41 +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 sy.mirrors.kernel.org (Postfix) with ESMTPS id 5E683B20BEE for ; Tue, 7 Nov 2023 10:50:41 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 6EE012C858; Tue, 7 Nov 2023 10:50:35 +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 7662228E29; Tue, 7 Nov 2023 10:50:33 +0000 (UTC) Received: from TWMBX03.aspeed.com (mail.aspeedtech.com [211.20.114.72]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 21436116; Tue, 7 Nov 2023 02:50:32 -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 18:50:27 +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 18:50:27 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , , , , Subject: [PATCH RESEND v10 2/3] dt-bindings: hwmon: Support Aspeed g6 PWM TACH Control Date: Tue, 7 Nov 2023 18:50:24 +0800 Message-ID: <20231107105025.1480561-3-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231107105025.1480561-1-billy_tsai@aspeedtech.com> References: <20231107105025.1480561-1-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>; + }; + };