From mboxrd@z Thu Jan 1 00:00:00 1970 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 mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A12BDC433EF for ; Wed, 17 Nov 2021 16:11:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7EE4C61BFA for ; Wed, 17 Nov 2021 16:11:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232000AbhKQQN7 (ORCPT ); Wed, 17 Nov 2021 11:13:59 -0500 Received: from mail-bn8nam12on2044.outbound.protection.outlook.com ([40.107.237.44]:54696 "EHLO NAM12-BN8-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S232073AbhKQQNl (ORCPT ); Wed, 17 Nov 2021 11:13:41 -0500 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=hIIYGTBBn8UQ31pIk43GRK2pvdP9Zlfdcd4ft9ncHj2hvwXqh5f85Gp0cU3difqqsE/b3FiItOiqw397OzQKOAD7Jfyj5n08Nnjw5rOMKdHwTA7u6vKKX65bOMier415rRDMqOqfF1jVdenRcuBDbBoyZgyF/tFPBDdKf1zsqSQsIWHpPuR3BYXLg4kV9CG/z3ZIYHn66Vt91GT0JsUIWAEr39QQ4jokU81CxGPYUT/ZAnY25gSgqzDkg1U7bEQJ+fi9/f9ZufM5xhkb+SnL45k9oBxHdTtFFLHq1nXBZ4y1BTKvtTLjbns/A0g2eRzfKtHFRlddWzVjbllBjF0RuQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=IQ/MGkAWI2JN+XbJ/rh4fCzf0wpVeH0QKtVIy03fiS8=; b=ZSis/aXWSDNvD2SD6Mp1ia/N77/chz0WuafuacFlemvEN2dhtyl+J7oULfiwS0UCQka9xSbufZorUnGWi7wTWobusntMfIvLa/ateQFGbhd2SMuQFTfdRwukkzvx0Y219MZK683iWmJy/JeDo//Cexc0mnNFk86Fp/j54LaAx3m/6bkrG1YcY7+Siu4SaexpPwRVqZT8NcmiNPW8D7PIorNJmFbQinMjlociGB2UNJF7qdDfqSRUS0tVSKcnU5MzA/9xITSxCrgL6IvYbmvvirZ6I0jPksRF5Zrzt0edB2KgshfvxuwJvSLO4/Q3IkGSkjaWbe7ZZs5ufMkliwBoFg== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 149.199.80.198) smtp.rcpttodomain=vger.kernel.org smtp.mailfrom=xilinx.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=xilinx.com; dkim=none (message not signed); arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=xilinx.onmicrosoft.com; s=selector2-xilinx-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=IQ/MGkAWI2JN+XbJ/rh4fCzf0wpVeH0QKtVIy03fiS8=; b=AP3Mv2XDTixGdZm4TQMWEOiScyMWnn17eaakOwIbksjaSI3OixJwEHU0Lw04oeI+JD+FRd5F5fCFlV3diu8HkAH8VnHu2nM9Rjnx47TSs2bmFyahpuZokoQANIR560AhWyHK8y0vRE5lxLRodeh4fyHVT1XJFXL53ZcXHwneD4s= Received: from BN9PR03CA0337.namprd03.prod.outlook.com (2603:10b6:408:f6::12) by SJ0PR02MB7134.namprd02.prod.outlook.com (2603:10b6:a03:2a3::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4690.27; Wed, 17 Nov 2021 16:10:39 +0000 Received: from BN1NAM02FT045.eop-nam02.prod.protection.outlook.com (2603:10b6:408:f6:cafe::67) by BN9PR03CA0337.outlook.office365.com (2603:10b6:408:f6::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4690.27 via Frontend Transport; Wed, 17 Nov 2021 16:10:39 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 149.199.80.198) smtp.mailfrom=xilinx.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=xilinx.com; Received-SPF: Pass (protection.outlook.com: domain of xilinx.com designates 149.199.80.198 as permitted sender) receiver=protection.outlook.com; client-ip=149.199.80.198; helo=xir-pvapexch01.xlnx.xilinx.com; Received: from xir-pvapexch01.xlnx.xilinx.com (149.199.80.198) by BN1NAM02FT045.mail.protection.outlook.com (10.13.2.156) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.4690.19 via Frontend Transport; Wed, 17 Nov 2021 16:10:39 +0000 Received: from xir-pvapexch01.xlnx.xilinx.com (172.21.17.15) by xir-pvapexch01.xlnx.xilinx.com (172.21.17.15) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2176.14; Wed, 17 Nov 2021 16:10:36 +0000 Received: from smtp.xilinx.com (172.21.105.197) by xir-pvapexch01.xlnx.xilinx.com (172.21.17.15) with Microsoft SMTP Server id 15.1.2176.14 via Frontend Transport; Wed, 17 Nov 2021 16:10:36 +0000 Envelope-to: anand.ashok.dumbre@xilinx.com, git@xilinx.com, michal.simek@xilinx.com, linux-kernel@vger.kernel.org, jic23@kernel.org, lars@metafoo.de, linux-iio@vger.kernel.org, gregkh@linuxfoundation.org, rafael@kernel.org, linux-acpi@vger.kernel.org, andriy.shevchenko@linux.intel.com, heikki.krogerus@linux.intel.com Received: from [10.71.188.1] (port=38490 helo=xiranandash40.xilinx.com) by smtp.xilinx.com with esmtp (Exim 4.90) (envelope-from ) id 1mnNW2-0000gH-5U; Wed, 17 Nov 2021 16:10:30 +0000 From: Anand Ashok Dumbre To: , , , , , , , , , , CC: Anand Ashok Dumbre Subject: [PATCH v10 4/5] dt-bindings: iio: adc: Add Xilinx AMS binding documentation Date: Wed, 17 Nov 2021 16:10:27 +0000 Message-ID: <20211117161028.11775-5-anand.ashok.dumbre@xilinx.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20211117161028.11775-1-anand.ashok.dumbre@xilinx.com> References: <20211117161028.11775-1-anand.ashok.dumbre@xilinx.com> MIME-Version: 1.0 Content-Type: text/plain X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: 372cb981-6c27-48f3-c16c-08d9a9e4cc2b X-MS-TrafficTypeDiagnostic: SJ0PR02MB7134: X-Microsoft-Antispam-PRVS: X-Auto-Response-Suppress: DR, RN, NRN, OOF, AutoReply X-MS-Oob-TLC-OOBClassifiers: OLM:8273; X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:149.199.80.198;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:CAL;SFV:NSPM;H:xir-pvapexch01.xlnx.xilinx.com;PTR:unknown-80-198.xilinx.com;CAT:NONE;SFS:(36840700001)(46966006)(336012)(426003)(36906005)(5660300002)(921005)(2906002)(316002)(2616005)(7696005)(4326008)(1076003)(36860700001)(36756003)(103116003)(966005)(186003)(508600001)(110136005)(26005)(8676002)(83380400001)(6666004)(47076005)(70206006)(107886003)(70586007)(9786002)(8936002)(7636003)(82310400003)(356005)(102446001)(83996005)(2101003);DIR:OUT;SFP:1101; X-OriginatorOrg: xilinx.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 17 Nov 2021 16:10:39.1003 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 372cb981-6c27-48f3-c16c-08d9a9e4cc2b X-MS-Exchange-CrossTenant-Id: 657af505-d5df-48d0-8300-c31994686c5c X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=657af505-d5df-48d0-8300-c31994686c5c;Ip=[149.199.80.198];Helo=[xir-pvapexch01.xlnx.xilinx.com] X-MS-Exchange-CrossTenant-AuthSource: BN1NAM02FT045.eop-nam02.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SJ0PR02MB7134 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Xilinx AMS have several ADC channels that can be used for measurement of different voltages and temperatures. Document the same in the bindings. Signed-off-by: Anand Ashok Dumbre Reviewed-by: Rob Herring --- .../bindings/iio/adc/xlnx,zynqmp-ams.yaml | 227 ++++++++++++++++++ 1 file changed, 227 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml b/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml new file mode 100644 index 000000000000..87992db389b2 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/xlnx,zynqmp-ams.yaml @@ -0,0 +1,227 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/xlnx,zynqmp-ams.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Xilinx Zynq Ultrascale AMS controller + +maintainers: + - Anand Ashok Dumbre + +description: | + The AMS (Analog Monitoring System) includes an ADC as well as on-chip sensors + that can be used to sample external voltages and monitor on-die operating + conditions, such as temperature and supply voltage levels. + The AMS has two SYSMON blocks which are PL (Programmable Logic) SYSMON and + PS (Processing System) SYSMON. + All designs should have AMS registers, but PS and PL are optional. The + AMS controller can work with only PS, only PL and both PS and PL + configurations. Please specify registers according to your design. Devicetree + should always have AMS module property. Providing PS & PL module is optional. + + AMS Channel Details + ``````````````````` + Sysmon Block |Channel| Details |Measurement + |Number | |Type + --------------------------------------------------------------------------------------------------------- + AMS CTRL |0 |System PLLs voltage measurement, VCC_PSPLL. |Voltage + |1 |Battery voltage measurement, VCC_PSBATT. |Voltage + |2 |PL Internal voltage measurement, VCCINT. |Voltage + |3 |Block RAM voltage measurement, VCCBRAM. |Voltage + |4 |PL Aux voltage measurement, VCCAUX. |Voltage + |5 |Voltage measurement for six DDR I/O PLLs, VCC_PSDDR_PLL. |Voltage + |6 |VCC_PSINTFP_DDR voltage measurement. |Voltage + --------------------------------------------------------------------------------------------------------- + PS Sysmon |7 |LPD temperature measurement. |Temperature + |8 |FPD temperature measurement (REMOTE). |Temperature + |9 |VCC PS LPD voltage measurement (supply1). |Voltage + |10 |VCC PS FPD voltage measurement (supply2). |Voltage + |11 |PS Aux voltage reference (supply3). |Voltage + |12 |DDR I/O VCC voltage measurement. |Voltage + |13 |PS IO Bank 503 voltage measurement (supply5). |Voltage + |14 |PS IO Bank 500 voltage measurement (supply6). |Voltage + |15 |VCCO_PSIO1 voltage measurement. |Voltage + |16 |VCCO_PSIO2 voltage measurement. |Voltage + |17 |VCC_PS_GTR voltage measurement (VPS_MGTRAVCC). |Voltage + |18 |VTT_PS_GTR voltage measurement (VPS_MGTRAVTT). |Voltage + |19 |VCC_PSADC voltage measurement. |Voltage + --------------------------------------------------------------------------------------------------------- + PL Sysmon |20 |PL temperature measurement. |Temperature + |21 |PL Internal voltage measurement, VCCINT. |Voltage + |22 |PL Auxiliary voltage measurement, VCCAUX. |Voltage + |23 |ADC Reference P+ voltage measurement. |Voltage + |24 |ADC Reference N- voltage measurement. |Voltage + |25 |PL Block RAM voltage measurement, VCCBRAM. |Voltage + |26 |LPD Internal voltage measurement, VCC_PSINTLP (supply4). |Voltage + |27 |FPD Internal voltage measurement, VCC_PSINTFP (supply5). |Voltage + |28 |PS Auxiliary voltage measurement (supply6). |Voltage + |29 |PL VCCADC voltage measurement (vccams). |Voltage + |30 |Differential analog input signal voltage measurment. |Voltage + |31 |VUser0 voltage measurement (supply7). |Voltage + |32 |VUser1 voltage measurement (supply8). |Voltage + |33 |VUser2 voltage measurement (supply9). |Voltage + |34 |VUser3 voltage measurement (supply10). |Voltage + |35 |Auxiliary ch 0 voltage measurement (VAux0). |Voltage + |36 |Auxiliary ch 1 voltage measurement (VAux1). |Voltage + |37 |Auxiliary ch 2 voltage measurement (VAux2). |Voltage + |38 |Auxiliary ch 3 voltage measurement (VAux3). |Voltage + |39 |Auxiliary ch 4 voltage measurement (VAux4). |Voltage + |40 |Auxiliary ch 5 voltage measurement (VAux5). |Voltage + |41 |Auxiliary ch 6 voltage measurement (VAux6). |Voltage + |42 |Auxiliary ch 7 voltage measurement (VAux7). |Voltage + |43 |Auxiliary ch 8 voltage measurement (VAux8). |Voltage + |44 |Auxiliary ch 9 voltage measurement (VAux9). |Voltage + |45 |Auxiliary ch 10 voltage measurement (VAux10). |Voltage + |46 |Auxiliary ch 11 voltage measurement (VAux11). |Voltage + |47 |Auxiliary ch 12 voltage measurement (VAux12). |Voltage + |48 |Auxiliary ch 13 voltage measurement (VAux13). |Voltage + |49 |Auxiliary ch 14 voltage measurement (VAux14). |Voltage + |50 |Auxiliary ch 15 voltage measurement (VAux15). |Voltage + -------------------------------------------------------------------------------------------------------- + +properties: + compatible: + enum: + - xlnx,zynqmp-ams + + interrupts: + maxItems: 1 + + reg: + description: AMS Controller register space + maxItems: 1 + + ranges: + description: + Maps the child address space for PS and/or PL. + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 1 + + '#io-channel-cells': + const: 1 + + ams-ps@0: + type: object + description: | + PS (Processing System) SYSMON is memory mapped to PS. This block has + built-in alarm generation logic that is used to interrupt the processor + based on condition set. + + properties: + compatible: + enum: + - xlnx,zynqmp-ams-ps + + reg: + description: Register Space for PS-SYSMON + maxItems: 1 + + required: + - compatible + - reg + + additionalProperties: false + + ams-pl@400: + type: object + description: + PL-SYSMON is capable of monitoring off chip voltage and temperature. + PL-SYSMON block has DRP, JTAG and I2C interface to enable monitoring + from external master. Out of this interface currently only DRP is + supported. This block has alarm generation logic that is used to + interrupt the processor based on condition set. + + properties: + compatible: + items: + - enum: + - xlnx,zynqmp-ams-pl + + reg: + description: Register Space for PL-SYSMON. + maxItems: 1 + + '#address-cells': + const: 1 + + '#size-cells': + const: 0 + + patternProperties: + "^channel@([2-4][0-9]|50)$": + type: object + description: + Describes the external channels connected. + + properties: + reg: + description: + Pair of pins the channel is connected to. This value is + same as Channel Number for a particular channel. + minimum: 20 + maximum: 50 + + xlnx,bipolar: + $ref: /schemas/types.yaml#/definitions/flag + type: boolean + description: + If the set channel is used in bipolar mode. + + required: + - reg + + additionalProperties: false + +required: + - compatible + - reg + - ranges + +additionalProperties: false + +examples: + - | + bus { + #address-cells = <2>; + #size-cells = <2>; + + xilinx_ams: ams@ffa50000 { + compatible = "xlnx,zynqmp-ams"; + interrupt-parent = <&gic>; + interrupts = <0 56 4>; + reg = <0x0 0xffa50000 0x0 0x800>; + #address-cells = <1>; + #size-cells = <1>; + #io-channel-cells = <1>; + ranges = <0 0 0xffa50800 0x800>; + + ams_ps: ams-ps@0 { + compatible = "xlnx,zynqmp-ams-ps"; + reg = <0 0x400>; + }; + + ams_pl: ams-pl@400 { + compatible = "xlnx,zynqmp-ams-pl"; + reg = <0x400 0x400>; + #address-cells = <1>; + #size-cells = <0>; + channel@30 { + reg = <30>; + xlnx,bipolar; + }; + channel@31 { + reg = <31>; + }; + channel@38 { + reg = <38>; + xlnx,bipolar; + }; + }; + }; + }; -- 2.17.1