From patchwork Tue Nov 1 09:51:54 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Billy Tsai X-Patchwork-Id: 13026830 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 79DA9C433FE for ; Tue, 1 Nov 2022 09:52:17 +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=lxxe0oy9f5kcBeC6zojCpRgtoJ62RlIEAnuQfTlN+Z0=; b=v7Wr0RoUnxIXxx 37AF2KFk9C37WRc22VKXXEQjMP/EG1V4a9IkfeOkrK01v1ox8kTO78Hj0zOXVfUo2Y1vQ/DevuoHo gxW25TzmTZt58puOQWjDoK+KTYaE5oPla0Z2mmvT9C0xHAMtOOkzwokKeYSZEKk3d7VuVi+7mxvxK BNCx1zvJhtfmGAbJGGhTNQhaafgR/jOsUFekBqUT3jQ0UPCQyVrciVdRtLDN7zUeJyEm2TPhHardk RT4FiHIGG07i4f/u1jbk9xV1KFxItJEnyLxHM9rMFuJ4beSkQcq5IxnkLJm5Ohdk30x/HQ11PfIqA NjfbuXH+ivKsB6xQUAlA==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1opnvU-003nZI-CK; Tue, 01 Nov 2022 09:51:20 +0000 Received: from [211.20.114.71] (helo=twspam01.aspeedtech.com) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1opnv9-003nUm-MC for linux-arm-kernel@lists.infradead.org; Tue, 01 Nov 2022 09:51:01 +0000 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-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20221101_025100_018530_37836788 X-CRM114-Status: GOOD ( 14.51 ) 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 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