From patchwork Wed Sep 9 14:42:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Baryshkov X-Patchwork-Id: 11765831 X-Patchwork-Delegate: daniel.lezcano@linaro.org 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 F2034618 for ; Wed, 9 Sep 2020 16:49:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id D0EF921941 for ; Wed, 9 Sep 2020 16:49:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="QQ9REk01" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730614AbgIIQtf (ORCPT ); Wed, 9 Sep 2020 12:49:35 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53092 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730883AbgIIQHR (ORCPT ); Wed, 9 Sep 2020 12:07:17 -0400 Received: from mail-lj1-x243.google.com (mail-lj1-x243.google.com [IPv6:2a00:1450:4864:20::243]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 89A72C0612A2 for ; Wed, 9 Sep 2020 07:43:06 -0700 (PDT) Received: by mail-lj1-x243.google.com with SMTP id r24so3921512ljm.3 for ; Wed, 09 Sep 2020 07:43:06 -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=yMvVXpSpVGDfdX14bLkO7U8LOBlYVmYuUOGPXx5qIqI=; b=QQ9REk01gK8HMw9gq+R0GrwFAdnxdqqge4xTp6/7MQehjUS9y+wbanI6/644+8Jnoj x0nJwH1JzaP99Y4Hk5xD20aNtEKBUGH0vq49poqM4naz0TVy8S/HlIIcdrZP2oqOeOH3 zNdU0CdhhsfgfqUeeFUekq/yFA4pUaabVp4C+U6M876Z7NXB9goGBQ3vVPEoweS3CBYC aOvRW9r2zP4QTK8f3VY3ESF1+nLxm7MK5IODm0FOMDFG6p7h0/3cDGbRhTaYZrxxZpNL A1NwBLGGTbORcve/wW4AtG16KNmL0sZ60qAoC2gqAPDu7L0zJJcEUQJ74JYoO0hjCH6j IORw== 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=yMvVXpSpVGDfdX14bLkO7U8LOBlYVmYuUOGPXx5qIqI=; b=BbGwd3JrMkBvhdYFcYxgftulrKLAED7GVQcYCf1cuWMs2xEU6CQOZvlGdGCT8MR1Jj z1E9lx1RdqKZTJOhv1X2hAs2GMbe+WeoXwYtpAEFbNXd4UX5g3PFgtWIfM+p2aOxNdT+ 3BRZ57dcHVX6W/F8Phw2BXcT7Kyp0h1Wf1c0KYDSwjzXA7PffZ4Xbd24IuJbfBic+7SN drL6ASoRAfuIXxEKITyd3RIAru+YDTFF9I869KVpTtsAblubpdScrJxA7w23g14D0svX ca0nbcUGSR/JkPPObydMAxcLbXtA+ktq30L2AGDoNKo7xZGRAut2u113cItPelQy0Q2k iEIA== X-Gm-Message-State: AOAM533T4yxtRk3aPzwBC40QVsOxHpKVDwyRFL1k/aznTFYfcN1lrYn3 dzOo/oeBvDSLqXmsY+xzo0FC2g== X-Google-Smtp-Source: ABdhPJxXHYgt5utpdo1iDhw6xcrA0sfYrG3fGr8zUuYpZCCfG44ZvKKajKg2fIEZzIw61sghcU/i2A== X-Received: by 2002:a2e:b4f5:: with SMTP id s21mr2161986ljm.270.1599662580464; Wed, 09 Sep 2020 07:43:00 -0700 (PDT) Received: from eriador.lan ([188.162.64.155]) by smtp.gmail.com with ESMTPSA id t12sm621665lfk.26.2020.09.09.07.42.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 09 Sep 2020 07:42:59 -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, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-iio@vger.kernel.org, Manivannan Sadhasivam Subject: [PATCH v3 02/10] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Date: Wed, 9 Sep 2020 17:42:40 +0300 Message-Id: <20200909144248.54327-3-dmitry.baryshkov@linaro.org> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20200909144248.54327-1-dmitry.baryshkov@linaro.org> References: <20200909144248.54327-1-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@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 Reviewed-by: Jonathan Cameron --- .../bindings/thermal/qcom-spmi-adc-tm5.yaml | 141 ++++++++++++++++++ 1 file changed, 141 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..b3818357808b --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml @@ -0,0 +1,141 @@ +# 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 + + 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: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter is used to decrease ADC sampling rate. + Quicker measurements can be made by reducing decimation ratio. + enum: + - 250 + - 420 + - 840 + default: 840 + +patternProperties: + "^([-a-z0-9]*)@[0-9]+$": + type: object + description: + Represent one thermal sensor. + + properties: + reg: + description: Specify the sensor channel. + maxItems: 1 + + io-channels: + description: + From common IIO binding. Used to pipe PMIC ADC channel to thermal monitor + + 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: + - | + #include + #include + 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>; + + conn-therm@0 { + reg = <0>; + io-channels = <&pm8150b_adc ADC5_AMUX_THM3_100K_PU>; + qcom,adc-channel = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + }; +...