From patchwork Sun Jun 21 19:35:45 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 11616719 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 346CC13B1 for ; Sun, 21 Jun 2020 19:35:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17C81214DB for ; Sun, 21 Jun 2020 19:35:58 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="SOiXwgq6" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730036AbgFUTf5 (ORCPT ); Sun, 21 Jun 2020 15:35:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51892 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730170AbgFUTf4 (ORCPT ); Sun, 21 Jun 2020 15:35:56 -0400 Received: from mail-lf1-x144.google.com (mail-lf1-x144.google.com [IPv6:2a00:1450:4864:20::144]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 655E9C061795 for ; Sun, 21 Jun 2020 12:35:56 -0700 (PDT) Received: by mail-lf1-x144.google.com with SMTP id d21so6297388lfb.6 for ; Sun, 21 Jun 2020 12:35:56 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=bhDR7iz+qpdl87dIvXubN6N0cNZInUDHwBfKjnhBFLY=; b=SOiXwgq6yf5bThJbs3KJRVphtiP73bWB2weIwmkw/kAINeQwFsQEUa1/LkY5uP2NlV /m1zUHCjlmj7D8WbnBFDfLuQRmrXAOmw/JUqHwn1iQCQPnT75QxkODPxz1ZCo+PCmggV M0RY+fKxPS1Y4qWANRBlloxjyU36/owRzQ6c9jKAP+GDPuYWUYww1+IT/+vG1wuuPSZx C3r0hXSAdONYEs7YkElz1Fw1BQk+n3c43n7YSKSEcEEVddFjIjw0Lv7sI9bevwDRhzIU 3lbfprmqTakUNPqsU6TiDgJG+XK11w+W+eeZVdaDKbCEk0eIWMpoJO2V0oCvult6vpPo 3MOw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bhDR7iz+qpdl87dIvXubN6N0cNZInUDHwBfKjnhBFLY=; b=r1Z6G9BCTzlOmNoSMirnTrRMHfTigYrvqh4/f6PKF0k4omewdo43+haJ0uYiMfbZk7 e5OZDVV9a5s468xd1ui30xaw7fogy+BaRR473umT7xLVdAeiNUg9HB0n+uHzsWMhhk3n vpeGtk3jkZATRHKGtr8U6paSVMZhgOESBu7Hg+hR/QwNnkKmXT+RtSLwndbqjstHWPCj Pm28qcYFyG6MO5YfvgvGsHqUmteBDHgbdysQgaSE6EOmNQuOGHU/L1C/swD/eISFkWu9 dsIEGvFybQgBBPs1992Ru/bgJK0yPylmWLxAwA4cFqFjHVYGRaCrTmdMxwikC/wdHliN hJIQ== X-Gm-Message-State: AOAM532TL1tzaNvRh/Je1S2Vm6Pgc5rQDqrEiI/G1f+T7h+Ub0FX7K+M 4FyyQFtPS4qYbN0gXHSP47mDQA== X-Google-Smtp-Source: ABdhPJysODQl3dWPkSOs0wySqS9WeY7DuLLZazK6EcK7p9DsUuVMD0RQFdZkxDHJkQBnxdAGGcopXw== X-Received: by 2002:ac2:5e71:: with SMTP id a17mr3303817lfr.150.1592768154827; Sun, 21 Jun 2020 12:35:54 -0700 (PDT) Received: from eriador.lan ([188.162.65.109]) by smtp.gmail.com with ESMTPSA id r13sm2917854lfp.80.2020.06.21.12.35.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 21 Jun 2020 12:35:54 -0700 (PDT) From: Dmitry Baryshkov To: Andy Gross , Bjorn Andersson , Rob Herring , Zhang Rui , Daniel Lezcano , Amit Kucheria , Jonathan Cameron , Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Vinod Koul , linux-iio@vger.kernel.org Subject: [PATCH 1/5] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Date: Sun, 21 Jun 2020 22:35:45 +0300 Message-Id: <20200621193549.2070434-2-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20200621193549.2070434-1-dmitry.baryshkov@linaro.org> References: <20200621193549.2070434-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-iio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add bindings for thermal monitor, part of Qualcomm PMIC5 chips. It is a close counterpart of VADC part of those PMICs. Signed-off-by: Dmitry Baryshkov --- .../bindings/thermal/qcom-spmi-adc-tm5.yaml | 143 ++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml new file mode 100644 index 000000000000..16d3f61d692a --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml @@ -0,0 +1,143 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm5.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm's SPMI PMIC ADC-TM +maintainers: + - Dmitry Baryshkov + +properties: + compatible: + const: qcom,spmi-adc-tm5 + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + "#thermal-sensor-cells": + const: 1 + description: + Number of cells required to uniquely identify the thermal sensors. Since + we have multiple sensors this is set to 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + io-channels: + description: + From common IIO binding. Used to pipe PMIC ADC channel to thermal monitor + + io-channel-names: + description: + From common IIO binding. Names each of IIO channels. The name should + be equal to the sensor's subnode name. + + qcom,avg-samples: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Number of samples to be used for measurement. + enum: + - 1 + - 2 + - 4 + - 8 + - 16 + default: 1 + + qcom,decimation: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter is used to decrease ADC sampling rate. + enum: + - 250 + - 420 + - 840 + default: 840 + +patternProperties: + "^([-a-z0-9]*)@[0-9]+$": + type: object + description: + Represent one thermal sensor. + + properties: + reg: + description: Specify the sensor channel. + maxItems: 1 + + qcom,adc-channel: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Corresponding ADC channel ID. + + qcom,ratiometric: + $ref: /schemas/types.yaml#/definitions/flag + description: + Channel calibration type. + If this property is specified VADC will use the VDD reference + (1.875V) and GND for channel calibration. If property is not found, + channel will be calibrated with 0V and 1.25V reference channels, + also known as absolute calibration. + + qcom,hw-settle-time: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Time between AMUX getting configured and the ADC starting conversion. + + qcom,pre-scaling: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: Used for scaling the channel input signal before the signal is fed to VADC. See qcom,spi-vadc specification for the list of possible values. + minItems: 2 + maxItems: 2 + + required: + - reg + - qcom,adc-channel + + additionalProperties: + false + +required: + - compatible + - reg + - interrupts + - "#address-cells" + - "#size-cells" + - "#thermal-sensor-cells" + +additionalProperties: false + +examples: + - | + pm8150b_adc: adc@3100 { + compatible = "qcom,spmi-adc5"; + /* Other propreties are omitted */ + conn-therm@4f { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + }; + pm8150b_adc_tm: adc-tm@3500 { + compatible = "qcom,spmi-adc-tm5"; + reg = <0x3500>; + interrupts = <0x2 0x35 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + io-channels = <&pm8150b_adc ADC5_AMUX_THM3_100K_PU>; + io-channel-names = "conn-therm"; + + conn-therm@0 { + reg = <0>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + }; + + +...