From patchwork Thu Feb 22 16:42:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: marius.cristea@microchip.com X-Patchwork-Id: 13567601 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 82E4D1534F5; Thu, 22 Feb 2024 16:42:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.153.233 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708620161; cv=none; b=O7rpBk+Oiugxr+oiAnXEDdejslCX+4CXwfhefGy2/tQEXchx6jCbk0yAR/agNILyexSYgot1Q79ZFFXi+FKoq5Vqwy6/1PWQV9GLAHl13IPzvZbvN1eHXM01vWj5BJGRuyTSx5jj9aUEI77UgPpOYDKT4yROA3OYoLrPCKkvDD0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708620161; c=relaxed/simple; bh=JiyMeQ4zLEjBU6MJmXNxDjwaVSeLnLIjl5e47ySMs2Y=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=C0xQlBKO2E4902ibO2Xg4iMUnO9yLkiml/7lyyEyhybLt7apvXBMq/4CnvZN5ZZ0CmpvOvWAE0KD9Dd0NurVjNPeFgoXIpJVQ1WHPEJGoxZQqvwUyw/6hxn8FBVeyIPC8ASVl+gXHIDe9vRu179xPbsddZeniC25iDvKP55jE7Y= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=microchip.com; spf=pass smtp.mailfrom=microchip.com; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b=jO2vW6mg; arc=none smtp.client-ip=68.232.153.233 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=microchip.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=microchip.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="jO2vW6mg" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1708620159; x=1740156159; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=JiyMeQ4zLEjBU6MJmXNxDjwaVSeLnLIjl5e47ySMs2Y=; b=jO2vW6mgjSYVHtF6oSVHMoJE0rnSa4bTay/STEP+k3wu+XTPBxygRd9V aR8xeoBLa3/MtsEEOKoaVcTQz4/JzJOK9vRFZihTC3msyxmifemrLdWbQ bVavZjo8rlsNiaRbeAgjFLr3jXJ1sWkLVgVhyFp01UyFlLwFZW8CT2Y7S nkWHcaXd/fvPREYe4zifYbr8+XzZSGwoXu49qlae7Pr5BQwO0jQboCOJJ 4Fm2OT/qF6qxxl4pSgQEDiId3M1IWN0tFbab4+Ry3MUOKQqulN4N3P/bD oa7PIKOsoqYmJZ49eTHJVPQl3Tlr4XD8mqkJI9JHfp40q/+CeoNh7hcU/ Q==; X-CSE-ConnectionGUID: WIlLG2AjSwCpN2W80dryxA== X-CSE-MsgGUID: 0Iq3Xyz7Ta++c4VkQ+G2IQ== X-IronPort-AV: E=Sophos;i="6.06,179,1705388400"; d="scan'208";a="247417429" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa5.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 22 Feb 2024 09:42:38 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Thu, 22 Feb 2024 09:42:34 -0700 Received: from marius-VM.mshome.net (10.10.85.11) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.35 via Frontend Transport; Thu, 22 Feb 2024 09:42:31 -0700 From: To: , , , , , CC: , , , , , Subject: [PATCH v5 1/2] dt-bindings: iio: adc: adding support for PAC193X Date: Thu, 22 Feb 2024 18:42:05 +0200 Message-ID: <20240222164206.65700-2-marius.cristea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240222164206.65700-1-marius.cristea@microchip.com> References: <20240222164206.65700-1-marius.cristea@microchip.com> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Marius Cristea This is the device tree schema for iio driver for Microchip PAC193X series of Power Monitors with Accumulator. Signed-off-by: Marius Cristea Reviewed-by: Conor Dooley --- .../bindings/iio/adc/microchip,pac1934.yaml | 120 ++++++++++++++++++ 1 file changed, 120 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml diff --git a/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml new file mode 100644 index 000000000000..52be5ada1eb6 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml @@ -0,0 +1,120 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/adc/microchip,pac1934.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip PAC1934 Power Monitors with Accumulator + +maintainers: + - Marius Cristea + +description: | + This device is part of the Microchip family of Power Monitors with + Accumulator. + The datasheet for PAC1931, PAC1932, PAC1933 and PAC1934 can be found here: + https://ww1.microchip.com/downloads/aemDocuments/documents/OTH/ProductDocuments/DataSheets/PAC1931-Family-Data-Sheet-DS20005850E.pdf + +properties: + compatible: + enum: + - microchip,pac1931 + - microchip,pac1932 + - microchip,pac1933 + - microchip,pac1934 + + reg: + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + interrupts: + maxItems: 1 + + slow-io-gpios: + description: + A GPIO used to trigger a change is sampling rate (lowering the chip power + consumption). If configured in SLOW mode, if this pin is forced high, + sampling rate is forced to eight samples/second. When it is forced low, + the sampling rate is 1024 samples/second unless a different sample rate + has been programmed. + +patternProperties: + "^channel@[1-4]+$": + type: object + $ref: adc.yaml + description: + Represents the external channels which are connected to the ADC. + + properties: + reg: + items: + minimum: 1 + maximum: 4 + + shunt-resistor-micro-ohms: + description: + Value in micro Ohms of the shunt resistor connected between + the SENSE+ and SENSE- inputs, across which the current is measured. + Value is needed to compute the scaling of the measured current. + + required: + - reg + - shunt-resistor-micro-ohms + + unevaluatedProperties: false + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + power-monitor@10 { + compatible = "microchip,pac1934"; + reg = <0x10>; + + #address-cells = <1>; + #size-cells = <0>; + + channel@1 { + reg = <0x1>; + shunt-resistor-micro-ohms = <24900000>; + label = "CPU"; + }; + + channel@2 { + reg = <0x2>; + shunt-resistor-micro-ohms = <49900000>; + label = "GPU"; + }; + + channel@3 { + reg = <0x3>; + shunt-resistor-micro-ohms = <75000000>; + label = "MEM"; + bipolar; + }; + + channel@4 { + reg = <0x4>; + shunt-resistor-micro-ohms = <100000000>; + label = "NET"; + bipolar; + }; + }; + }; + +...