From patchwork Wed Nov 15 13:44:52 2023 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: 13456712 Received: from lindbergh.monkeyblade.net (lindbergh.monkeyblade.net [23.128.96.19]) (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 7784E1CAAF; Wed, 15 Nov 2023 13:45:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=microchip.com header.i=@microchip.com header.b="K5qR9s7u" Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 801A39B; Wed, 15 Nov 2023 05:45:36 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1700055936; x=1731591936; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=OeuBwu619sZ9CKoQPi5K5tN9S8LiI/QU+WIb+tJzElw=; b=K5qR9s7unnXRV3gVy9PsYjzG1vlOI8nl2W8EmYvJpcwh++32NUETLJyE fY6lW/X0ybZMYqGCElq5mqVwaGo6qP31u+ogmM5jKb4czzcfaGTNV3pvd lZ509x8vT8Vw+0utX1fbUYh+msZWP1Xy85jK1dF5Ju/ylD7hj6Z+B1t2s o5lMcb/OSI0NROzKeQHI6mbGyMg70zNCLtB938sFoAnYi2o+rvbdHlj4m ph7JAHJ11osBg0YCejBqPDTdf1ukG1qF/5jCAHRQquaAsJc6t80fMJAxd msf3jetbR6zX3xEFAorxRlSxXf+4kSrCLLEyi0iaDGrMGA3cIYUjNvJ09 g==; X-CSE-ConnectionGUID: 2CxX/TgFSY+eV5q6XTnYdw== X-CSE-MsgGUID: vg1bWUbUSr6+Li1euWtieA== X-ThreatScanner-Verdict: Negative X-IronPort-AV: E=Sophos;i="6.03,305,1694761200"; d="scan'208";a="178883589" X-Amp-Result: SKIPPED(no attachment in message) Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 15 Nov 2023 06:45:35 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.21; Wed, 15 Nov 2023 06:45:03 -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 15.1.2507.21 via Frontend Transport; Wed, 15 Nov 2023 06:45:00 -0700 From: To: , , , , , CC: , , , , , Subject: [PATCH v3 1/2] dt-bindings: iio: adc: adding support for PAC193X Date: Wed, 15 Nov 2023 15:44:52 +0200 Message-ID: <20231115134453.6656-2-marius.cristea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20231115134453.6656-1-marius.cristea@microchip.com> References: <20231115134453.6656-1-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 --- .../bindings/iio/adc/microchip,pac1934.yaml | 137 ++++++++++++++++++ 1 file changed, 137 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..2609cb19c377 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/microchip,pac1934.yaml @@ -0,0 +1,137 @@ +# 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 + + microchip,slow-io: + type: boolean + 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" + +allOf: + - if: + properties: + compatible: + contains: + const: interrupts + then: + properties: + microchip,slow-io: false + else: + if: + properties: + compatible: + contains: + const: microchip,slow-io + then: + properties: + interrupts: false + +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; + }; + }; + }; + +...