From patchwork Tue Sep 6 08:33:43 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Farber, Eliav" X-Patchwork-Id: 12967026 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 CB470C54EE9 for ; Tue, 6 Sep 2022 08:34:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238689AbiIFIew (ORCPT ); Tue, 6 Sep 2022 04:34:52 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36616 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238867AbiIFIer (ORCPT ); Tue, 6 Sep 2022 04:34:47 -0400 Received: from smtp-fw-2101.amazon.com (smtp-fw-2101.amazon.com [72.21.196.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 4826EDEFF; Tue, 6 Sep 2022 01:34:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amazon.com; i=@amazon.com; q=dns/txt; s=amazon201209; t=1662453287; x=1693989287; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=j9nLXsVxOy0JGDU7T6OUbxf37zFCWFjVBH7FijS2nao=; b=ZpQTO4HiD0+FS8cO6n1r11d4S0weRutvvZxy7YGLaq8byAcnztfT1k3f 1WibGfkKMqIVGj7y0JYplDC6on3DoCGzc+LRU4zW2AHTW6/8nDGJLsg/P zRVYsicwmtg75KBUZu4XnEXLsjldrLFc/wHXR1V3yOz+bU2i90sabHyY9 c=; X-IronPort-AV: E=Sophos;i="5.93,293,1654560000"; d="scan'208";a="237979510" Received: from iad12-co-svc-p1-lb1-vlan3.amazon.com (HELO email-inbound-relay-iad-1d-7a21ed79.us-east-1.amazon.com) ([10.43.8.6]) by smtp-border-fw-2101.iad2.amazon.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 06 Sep 2022 08:34:40 +0000 Received: from EX13MTAUWB001.ant.amazon.com (iad12-ws-svc-p26-lb9-vlan3.iad.amazon.com [10.40.163.38]) by email-inbound-relay-iad-1d-7a21ed79.us-east-1.amazon.com (Postfix) with ESMTPS id DF490220043; Tue, 6 Sep 2022 08:34:37 +0000 (UTC) Received: from EX19D013UWB003.ant.amazon.com (10.13.138.111) by EX13MTAUWB001.ant.amazon.com (10.43.161.249) with Microsoft SMTP Server (TLS) id 15.0.1497.38; Tue, 6 Sep 2022 08:33:59 +0000 Received: from EX13MTAUWA001.ant.amazon.com (10.43.160.58) by EX19D013UWB003.ant.amazon.com (10.13.138.111) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA) id 15.2.1118.12; Tue, 6 Sep 2022 08:33:59 +0000 Received: from dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (172.19.116.181) by mail-relay.amazon.com (10.43.160.118) with Microsoft SMTP Server id 15.0.1497.38 via Frontend Transport; Tue, 6 Sep 2022 08:33:59 +0000 Received: by dev-dsk-farbere-1a-46ecabed.eu-west-1.amazon.com (Postfix, from userid 14301484) id D1BDA4D85; Tue, 6 Sep 2022 08:33:56 +0000 (UTC) From: Eliav Farber To: , , , , , , , CC: , , , Subject: [PATCH v4 08/21] dt-bindings: hwmon: (mr75203) add description for Moortec's PVT controller Date: Tue, 6 Sep 2022 08:33:43 +0000 Message-ID: <20220906083356.21067-9-farbere@amazon.com> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220906083356.21067-1-farbere@amazon.com> References: <20220906083356.21067-1-farbere@amazon.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org This changes adds a detailed description for the mr75203 controller and for some of the analog IPs controlled by it. Signed-off-by: Eliav Farber Acked-by: Rob Herring --- V4 -> V3: - New patch to add description. .../bindings/hwmon/moortec,mr75203.yaml | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml index 8ea97e774364..5e41aed5891a 100644 --- a/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml +++ b/Documentation/devicetree/bindings/hwmon/moortec,mr75203.yaml @@ -9,6 +9,32 @@ title: Moortec Semiconductor MR75203 PVT Controller bindings maintainers: - Rahul Tanwar +description: | + A Moortec PVT (Process, Voltage, Temperature) monitoring logic design can + include many different units. + Such a design will usually consists of several Moortec's embedded analog IPs, + and a single Moortec controller (mr75203) to configure and control the IPs. + + Some of the Moortec's analog hard IPs that can be used in a design: + *) Temperature Sensor (TS) - used to monitor core temperature (e.g. mr74137). + *) Voltage Monitor (VM) - used to monitor voltage levels (e.g. mr74138). + *) Process Detector (PD) - used to assess silicon speed (e.g. mr74139). + *) Delay Chain - ring oscillator connected to the PD, used to measure IO + based transistors (e.g. mr76008 ring oscillator at 1.1V, mr76007 ring + oscillator at 1.8V). + *) Pre Scaler - provides divide-by-X scaling of input voltage, which can then + be presented for VM for measurement within its range (e.g. mr76006 - + divide by 2 pre-scaler). + + TS, VM & PD also include a digital interface, which consists of configuration + inputs and measurement outputs. + + Some of the units have number of series, each series can have slightly + different characteristics. + + The mr75203 binding describes configuration for the controller unit, but also + for some of the analog IPs. + properties: compatible: const: moortec,mr75203