From patchwork Mon Jan 22 08:47:11 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: 13524919 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) (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 2F80239FCE; Mon, 22 Jan 2024 08:47:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=68.232.154.123 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705913282; cv=none; b=JH5Gl4v433zgy67PPPLy/f6nmn5E0dIenKdKu0YlMzDKNG8XE7pxQB99Hm2yXQ5EvVWDENwJ1/mYrfXBx+GoTgOdirtm3MDtiqejEFpz/5LINkPEQEYHhWAR73w//6Ks69n7hQVr5Pv6wQt9cv1ow8RfXBWeVUN5LeUnteifHJI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1705913282; c=relaxed/simple; bh=sFF0XyltPyKzQq4OrzysU1aw8d82Vo4XKjC4WvPESsM=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=kO8J/te2tLbU7VPhRg2kitkrUrjQIIRg6przdA5d512XvrwD52oI8o+Cqni35IoJxTzjWKrn3opwc4kTOXEA++APB7+JpUBjQoDrWd8uflFC+1p7O3pEf6XcA0XOnad4KptvLRqMVpHRzqFvsdM3GVlFmu4DISYU9NlTCcvFn0Y= 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=syBhrkg8; arc=none smtp.client-ip=68.232.154.123 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="syBhrkg8" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1705913280; x=1737449280; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=sFF0XyltPyKzQq4OrzysU1aw8d82Vo4XKjC4WvPESsM=; b=syBhrkg80yYViGAJR7vlVoOkZ2SeLd1YsxBYbPZjgI8Whxd3ewiIg8CE jIZ+yBS4V1fdq3hQjB2oBYGCNgLaclt5CPgnxt4dZx8NIPNNcn8iPWIn3 PX7PQboPWOHc8kbpW1ShTIDSXNETFBdlnSrVTIuQYLEBLbyon7OaWZeGx ewJTORuCDt+F7bgZC3NuH/UJJgwROHZlR0uwWIAlBMcBxVGh3jVb7GGGY JwzDK+ktLN32tZE4prdI/4XONvyNZZZXAd5ItvLSoZlhDFaOFBMHv4DTd CcRjPcwb/nHjhFWMRppuZRYYqIlTQDDnyqJeE+kvxRVvqL/B6qxr3x4bU g==; X-CSE-ConnectionGUID: urVykdzqSkuqk7i3uo9dbg== X-CSE-MsgGUID: UboQHsKQQJahTOqj7mSERA== X-IronPort-AV: E=Sophos;i="6.05,211,1701154800"; d="scan'208";a="15087186" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa4.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 22 Jan 2024 01:47:58 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.35; Mon, 22 Jan 2024 01:47:23 -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; Mon, 22 Jan 2024 01:47:20 -0700 From: To: , , , , , CC: , , , , , Subject: [PATCH v4 1/2] dt-bindings: iio: adc: adding support for PAC193X Date: Mon, 22 Jan 2024 10:47:11 +0200 Message-ID: <20240122084712.11507-2-marius.cristea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20240122084712.11507-1-marius.cristea@microchip.com> References: <20240122084712.11507-1-marius.cristea@microchip.com> Precedence: bulk X-Mailing-List: linux-iio@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..cd9cb2a71566 --- /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>; + + pac193x: 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; + }; + }; + }; + +...