From patchwork Mon Jan 20 00:17:03 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Logan Shaw X-Patchwork-Id: 11340815 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id AA999184C for ; Mon, 20 Jan 2020 00:17:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 89027206ED for ; Mon, 20 Jan 2020 00:17:27 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=alliedtelesis.co.nz header.i=@alliedtelesis.co.nz header.b="FBrh7Yq5" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728931AbgATAR0 (ORCPT ); Sun, 19 Jan 2020 19:17:26 -0500 Received: from gate2.alliedtelesis.co.nz ([202.36.163.20]:58214 "EHLO gate2.alliedtelesis.co.nz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729019AbgATAR0 (ORCPT ); Sun, 19 Jan 2020 19:17:26 -0500 Received: from mmarshal3.atlnz.lc (mmarshal3.atlnz.lc [10.32.18.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by gate2.alliedtelesis.co.nz (Postfix) with ESMTPS id 9AC8C891A9; Mon, 20 Jan 2020 13:17:24 +1300 (NZDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=alliedtelesis.co.nz; s=mail181024; t=1579479444; bh=Qrc/olz4vUb9+xNv/B2MGM5gonZe+CIlgglOYwHPYXE=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FBrh7Yq5ibUuJWa+ru1AezX+skION/6/GiyPhWpwdv6KM1m2gqJM9taf8IMcnB5ea qOZ1iROpNIQPnZsHy4nUZzg7+K16iKNqbdSz2j1gBXyUZAX+LAj2sRVFptQPWRHDAu IstYDPYirX4Ys0aJvT6N+6CZkPWlRdxJE/1Qd+VI9ZIpKe1VeMO+3KFRHD8BLN81XU sBBsgsWfoxdp5uRFNm+j50vzq9/hN/7q69eN0wtP27ml2jhLuU0syBd4OxRYWdgb2j CTpd24EIq39z0rig/oMKwNzStkB3os27nyB94nStIk4I1Na4mLoyFwY1poaZWG5Oa/ t7UMC3cCw4oBg== Received: from smtp (Not Verified[10.32.16.33]) by mmarshal3.atlnz.lc with Trustwave SEG (v7,5,8,10121) id ; Mon, 20 Jan 2020 13:17:24 +1300 Received: from logans-dl.ws.atlnz.lc (logans-dl.ws.atlnz.lc [10.33.25.61]) by smtp (Postfix) with ESMTP id C539413EEFE; Mon, 20 Jan 2020 13:17:23 +1300 (NZDT) Received: by logans-dl.ws.atlnz.lc (Postfix, from userid 1820) id C7339C0448; Mon, 20 Jan 2020 13:17:23 +1300 (NZDT) From: Logan Shaw To: linux@roeck-us.net, jdelvare@suse.com, robh+dt@kernel.org Cc: linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Joshua.Scott@alliedtelesis.co.nz, Chris.Packham@alliedtelesis.co.nz, logan.shaw@alliedtelesis.co.nz Subject: [PATCH v4 2/2] hwmon: (adt7475) Added attenuator bypass support Date: Mon, 20 Jan 2020 13:17:03 +1300 Message-Id: <20200120001703.9927-3-logan.shaw@alliedtelesis.co.nz> X-Mailer: git-send-email 2.25.0 In-Reply-To: <20200120001703.9927-1-logan.shaw@alliedtelesis.co.nz> References: <20200120001703.9927-1-logan.shaw@alliedtelesis.co.nz> MIME-Version: 1.0 x-atlnz-ls: pat Sender: linux-hwmon-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Added a new file documenting the adt7475 devicetree and added the four new properties to it. Signed-off-by: Logan Shaw --- --- .../devicetree/bindings/hwmon/adt7475.yaml | 90 +++++++++++++++++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/adt7475.yaml diff --git a/Documentation/devicetree/bindings/hwmon/adt7475.yaml b/Documentation/devicetree/bindings/hwmon/adt7475.yaml new file mode 100644 index 000000000000..f2427de9991e --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/adt7475.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/adt7475.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ADT7475 hwmon sensor + +maintainers: + - Jean Delvare + +description: | + The ADT7473, ADT7475, ADT7476, and ADT7490 are thermal monitors and multiple + PWN fan controllers. + + They support monitoring and controlling up to four fans (the ADT7490 can only + control up to three). They support reading a single on chip temperature + sensor and two off chip temperature sensors (the ADT7490 additionally + supports measuring up to three current external temperature sensors with + series resistance cancellation (SRC)). + + Datasheets: + https://www.onsemi.com/pub/Collateral/ADT7473-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7475-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7476-D.PDF + https://www.onsemi.com/pub/Collateral/ADT7490-D.PDF + + Description taken from omsemiconductors specification sheets, with minor + rephrasing. + +properties: + compatible: + enum: + - adi,adt7473 + - adi,adt7475 + - adi,adt7476 + - adi,adt7490 + + reg: + maxItems: 1 + + bypass-attenuator-in0: + description: | + Configures bypassing the individual voltage input + attenuator, on in0. This is supported on the ADT7476 and ADT7490. + If set to a non-zero integer the attenuator is bypassed, if set to + zero the attenuator is not bypassed. If the property is absent then + the config register is not modified. + maxItems: 1 + + bypass-attenuator-in1: + description: | + Configures bypassing the individual voltage input + attenuator, on in1. This is supported on the ADT7473, ADT7475, + ADT7476 and ADT7490. If set to a non-zero integer the attenuator + is bypassed, if set to zero the attenuator is not bypassed. If the + property is absent then the config register is not modified. + maxItems: 1 + + bypass-attenuator-in3: + description: | + Configures bypassing the individual voltage input + attenuator, on in3. This is supported on the ADT7476 and ADT7490. + If set to a non-zero integer the attenuator is bypassed, if set to + zero the attenuator is not bypassed. If the property is absent then + the config register is not modified. + maxItems: 1 + + bypass-attenuator-in4: + description: | + Configures bypassing the individual voltage input + attenuator, on in4. This is supported on the ADT7476 and ADT7490. + If set to a non-zero integer the attenuator is bypassed, if set to + zero the attenuator is not bypassed. If the property is absent then + the config register is not modified. + maxItems: 1 + +required: + - compatible + - reg + +examples: + - | + hwmon@2e { + compatible = "adi,adt7476"; + reg = <0x2e>; + bypass-attenuator-in0 = <1>; + bypass-attenuator-in1 = <0>; + }; +...