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[2620:137:e000::1:20]) by mx.google.com with ESMTP id jj19-20020a170903049300b00186ae20e8ddsi10568525plb.140.2022.11.01.03.05.12; Tue, 01 Nov 2022 03:05:25 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230480AbiKAJuw (ORCPT + 99 others); Tue, 1 Nov 2022 05:50:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57224 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230477AbiKAJus (ORCPT ); Tue, 1 Nov 2022 05:50:48 -0400 Received: from twspam01.aspeedtech.com (twspam01.aspeedtech.com [211.20.114.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7DBC6193CD for ; Tue, 1 Nov 2022 02:50:42 -0700 (PDT) Received: from mail.aspeedtech.com ([192.168.0.24]) by twspam01.aspeedtech.com with ESMTP id 2A19RCE9025159; Tue, 1 Nov 2022 17:27:12 +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; Tue, 1 Nov 2022 17:50:21 +0800 From: Billy Tsai To: , , , , , , , , , , , , , , , , , Subject: [v2 1/3] dt-bindings: Add bindings for aspeed pwm-tach. Date: Tue, 1 Nov 2022 17:51:54 +0800 Message-ID: <20221101095156.30591-2-billy_tsai@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20221101095156.30591-1-billy_tsai@aspeedtech.com> References: <20221101095156.30591-1-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 2A19RCE9025159 X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00,SPF_HELO_NONE, SPF_PASS autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: =?utf-8?q?INBOX?= X-GMAIL-THRID: =?utf-8?q?1748287750847644360?= X-GMAIL-MSGID: =?utf-8?q?1748287750847644360?= This patch adds device binding for aspeed pwm-tach device which is a multi-function device include pwm and tach function and pwm/tach device bindings which should be the child-node of pwm-tach device. Signed-off-by: Billy Tsai --- .../bindings/hwmon/aspeed,ast2600-tach.yaml | 48 ++++++++++++ .../bindings/mfd/aspeed,ast2600-pwm-tach.yaml | 76 +++++++++++++++++++ .../bindings/pwm/aspeed,ast2600-pwm.yaml | 64 ++++++++++++++++ 3 files changed, 188 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml 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/hwmon/aspeed,ast2600-tach.yaml b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml new file mode 100644 index 000000000000..838200fae30e --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/aspeed,ast2600-tach.yaml @@ -0,0 +1,48 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Aspeed, Inc. +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/aspeed,ast2600-tach.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed Ast2600 Tach controller + +maintainers: + - Billy Tsai + +description: | + The Aspeed Tach controller can support upto 16 fan input. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-tach + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + +required: + - compatible + - "#address-cells" + - "#size-cells" + +additionalProperties: + type: object + properties: + reg: + description: + The tach channel used for this node. + maxItems: 1 + + required: + - reg 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..1eaf6fab2752 --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/aspeed,ast2600-pwm-tach.yaml @@ -0,0 +1,76 @@ +# 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 + +patternProperties: + "^pwm(@[0-9a-f]+)?$": + $ref: ../pwm/aspeed,ast2600-pwm.yaml + + "^tach(@[0-9a-f]+)?$": + $ref: ../hwmon/aspeed,ast2600-tach.yaml + +additionalProperties: false + +examples: + - | + #include + pwm_tach: pwm_tach@1e610000 { + compatible = "aspeed,ast2600-pwm-tach", "syscon", "simple-mfd"; + reg = <0x1e610000 0x100>; + clocks = <&syscon ASPEED_CLK_AHB>; + resets = <&syscon ASPEED_RESET_PWM>; + + pwm: pwm { + compatible = "aspeed,ast2600-pwm"; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <3>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm0_default>; + }; + + tach: tach { + compatible = "aspeed,ast2600-tach"; + #address-cells = <1>; + #size-cells = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_tach0_default>; + }; + }; diff --git a/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml new file mode 100644 index 000000000000..f501f8a769df --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/aspeed,ast2600-pwm.yaml @@ -0,0 +1,64 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) 2021 Aspeed, Inc. +%YAML 1.2 +--- +$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. + This module is part of the ast2600-pwm-tach multi-function device. For more + details see ../mfd/aspeed,ast2600-pwm-tach.yaml. + +properties: + compatible: + enum: + - aspeed,ast2600-pwm + + "#pwm-cells": + const: 3 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + pinctrl-0: true + + pinctrl-names: + const: default + +required: + - compatible + - "#pwm-cells" + - "#address-cells" + - "#size-cells" + +additionalProperties: + description: Set extend properties for each pwm channel. + type: object + properties: + reg: + description: + The pwm channel index. + maxItems: 1 + + aspeed,wdt-reload-enable: + type: boolean + description: + Enable the function of wdt reset reload duty point. + + aspeed,wdt-reload-duty-point: + description: + Define the duty point after wdt reset, 0 = 100% + minimum: 0 + maximum: 255 + + required: + - reg