From patchwork Tue Aug 30 19:22:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Farber, Eliav" X-Patchwork-Id: 12959752 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F27E5ECAAD5 for ; Tue, 30 Aug 2022 19:22:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231269AbiH3TWm (ORCPT ); Tue, 30 Aug 2022 15:22:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231453AbiH3TWh (ORCPT ); Tue, 30 Aug 2022 15:22:37 -0400 Received: from smtp-fw-9103.amazon.com (smtp-fw-9103.amazon.com [207.171.188.200]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B9AA479A77; Tue, 30 Aug 2022 12:22:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1661887355; x=1693423355; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=uZ5Kav3Eb8Y3l4mIN9Xlarp03YVDMTfsrhtTfsYkWOw=; b=lA4a/YtY5ndOijPL/rrcqb0ysn8KbF4lNbaIue1Jt1zVAqUymM8dzHRy y2l1DBqjq/GlO909cQIio8JDeTcUzK7Oapf0cqnL7Jb76xatB9ew7QVRc TKfpZKBgXKpWBjsoRBzEX9Rzj8mlK8YCO40PwwpTjvzuKQGYb+0c037Wu c=; X-IronPort-AV: E=Sophos;i="5.93,275,1654560000"; d="scan'208";a="1049654954" Received: from pdx4-co-svc-p1-lb2-vlan3.amazon.com (HELO email-inbound-relay-pdx-2a-92ba9394.us-west-2.amazon.com) ([10.25.36.214]) by smtp-border-fw-9103.sea19.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Aug 2022 19:22:19 +0000 Received: from EX13MTAUWB001.ant.amazon.com (pdx1-ws-svc-p6-lb9-vlan3.pdx.amazon.com [10.236.137.198]) by email-inbound-relay-pdx-2a-92ba9394.us-west-2.amazon.com (Postfix) with ESMTPS id F09DE4531D; Tue, 30 Aug 2022 19:22:18 +0000 (UTC) Received: from EX19D013UWB004.ant.amazon.com (10.13.138.62) by EX13MTAUWB001.ant.amazon.com (10.43.161.207) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Tue, 30 Aug 2022 19:22:15 +0000 Received: from EX13MTAUWB001.ant.amazon.com (10.43.161.207) by EX19D013UWB004.ant.amazon.com (10.13.138.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id 15.2.1118.12; Tue, 30 Aug 2022 19:22:15 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (172.19.116.181) by mail-relay.amazon.com (10.43.161.249) with Microsoft SMTP Server id 15.0.1497.38 via Frontend Transport; Tue, 30 Aug 2022 19:22:15 +0000 Received: by dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (Postfix, from userid 14301484) id 69C594D40; Tue, 30 Aug 2022 19:22:12 +0000 (UTC) From: Eliav Farber To: , , , , , , , CC: , , , , , , , , , , , , , Subject: [PATCH v3 10/19] dt-bindings: hwmon: (mr75203) add "moortec,vm-pre-scaler" property Date: Tue, 30 Aug 2022 19:22:03 +0000 Message-ID: <20220830192212.28570-11-farbere@amazon.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220830192212.28570-1-farbere@amazon.com> References: <20220830192212.28570-1-farbere@amazon.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Add support for mr76006 pre-scaler which provides divide-by-2 scaling of input voltage, which can then be presented for VM for measurement within its range (the VM input range is limited to -0.1V to 1V). The new "moortec,vm-pre-scaler" property lists the channels that use a pre-scaler. The driver will use this list to multiply the voltage result by 2, to present to the user the actual voltage input source. Signed-off-by: Eliav Farber --- V3 -> V2: - Add "moortec" prefix to property name. - Change property format to be a single u8 array. - Fix typo: scalar --> scaler. .../devicetree/bindings/hwmon/moortec,mr75203.yaml | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml index 69cc6caceb2c..4c983d8f8fe7 100644 --- a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml +++ b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml @@ -54,6 +54,16 @@ properties: default: 16 $ref: /schemas/types.yaml#definitions/uint8-array + moortec,vm-pre-scaler: + description: + moortec,vm-pre-scaler property is an array of channels that use a mr76006 + pre-scaler to divides the input source by 2. + The pre-scaler is used for input sources that exceed the VM input range. + The driver uses this information to present to the user the actual value + of the voltage source. + default: 1 + $ref: /schemas/types.yaml#definitions/uint8-array + required: - compatible - reg @@ -76,5 +86,6 @@ examples: clocks = <&osc0>; resets = <&rcu0 0x40 7>; moortec,vm-active-channels = <0x10 0x05>; + moortec,vm-pre-scaler = <5 6>; #thermal-sensor-cells = <1>; };