From patchwork Thu Feb 18 20:39:41 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: tip-bot2 for Nam Cao X-Patchwork-Id: 12094265 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-20.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 25724C433E0 for ; Thu, 18 Feb 2021 20:42:16 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C187464E4B for ; Thu, 18 Feb 2021 20:42:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230212AbhBRUlu (ORCPT ); Thu, 18 Feb 2021 15:41:50 -0500 Received: from Galois.linutronix.de ([193.142.43.55]:54048 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231136AbhBRUkY (ORCPT ); Thu, 18 Feb 2021 15:40:24 -0500 Date: Thu, 18 Feb 2021 20:39:41 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1613680781; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xJN1w8o9Col1zqkzzSHndI7bCnc8ME56/HclYFA3XOg=; b=xP47Gyq+GVzVTYZXzO4wHFzERxQ5nvCt55rcRNVbkml0vYMiSlv9w1N0jFUMIdYXt8YWXo WekGpjtuBvab0jfYtin6CkjdzBgTxjrAUaSGECA/Rv1HpYhuK8bDj3SK7Bpx/oNwM4vy+W YOgI1n+H9nakDAVKFrMSxxRh4lDDLktJF4JsK+xQz0IR2Oa+8UwZ7e58VRJyQmjkNRlVxw PwU6ck1klBXjydkfFs7UmCB2Xi6+MIRvnfbnQAaMvspKckIDZLjl00808EDVCYv2vPpQ0Q 6WMgTpbacIL5MkqzWzM6nH2jeSa6Gg8Q0YtxYzqowz+IllEQ1O1BUV8jlQoOjA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1613680781; h=from:from:sender:sender:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=xJN1w8o9Col1zqkzzSHndI7bCnc8ME56/HclYFA3XOg=; b=kKVm+4jSaTzQ9HMnYZvk2xIIJVLgS5upVMhXMTqN0SdgoiwW1VQB0ndt6VFZrvw0ZM6foG ks0lg0lnrRccVWAA== From: "thermal-bot for Dmitry Baryshkov" Sender: tip-bot2@linutronix.de Reply-to: linux-pm@vger.kernel.org To: linux-pm@vger.kernel.org Subject: [thermal: thermal/next] dt-bindings: thermal: qcom: add adc-thermal monitor bindings Cc: Dmitry Baryshkov , Rob Herring , Daniel Lezcano , rui.zhang@intel.com, amitk@kernel.org In-Reply-To: <20210205000118.493610-2-dmitry.baryshkov@linaro.org> References: <20210205000118.493610-2-dmitry.baryshkov@linaro.org> MIME-Version: 1.0 Message-ID: <161368078118.20312.11402332349615976799.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The following commit has been merged into the thermal/next branch of thermal: Commit-ID: e8ffd6c0756bd81f069dd67ea47e6908c791e742 Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/thermal/linux.git//e8ffd6c0756bd81f069dd67ea47e6908c791e742 Author: Dmitry Baryshkov AuthorDate: Fri, 05 Feb 2021 03:01:17 +03:00 Committer: Daniel Lezcano CommitterDate: Mon, 15 Feb 2021 21:28:52 +01:00 dt-bindings: thermal: qcom: add adc-thermal monitor bindings 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: Rob Herring Signed-off-by: Daniel Lezcano Link: https://lore.kernel.org/r/20210205000118.493610-2-dmitry.baryshkov@linaro.org --- Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml | 153 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++- 1 file changed, 153 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 0000000..7cd3644 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml @@ -0,0 +1,153 @@ +# 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 Thermal Monitoring +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: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter is used to decrease ADC sampling rate. + Quicker measurements can be made by reducing decimation ratio. + enum: + - 250 + - 420 + - 840 + default: 840 + +patternProperties: + "^([-a-z0-9]*)@[0-7]$": + type: object + description: + Represent one thermal sensor. + + properties: + reg: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Specify the sensor channel. There are 8 channels in PMIC5's ADC TM + minimum: 0 + maximum: 7 + + io-channels: + description: + From common IIO binding. Used to pipe PMIC ADC channel to thermal monitor + + 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-us: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Time between AMUX getting configured and the ADC starting conversion. + enum: [15, 100, 200, 300, 400, 500, 600, 700, 1000, 2000, 4000, 8000, 16000, 32000, 64000, 128000] + + 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. The configuration for this node is to know the + pre-determined ratio and use it for post scaling. It is a pair of + integers, denoting the numerator and denominator of the fraction by + which input signal is multiplied. For example, <1 3> indicates the + signal is scaled down to 1/3 of its value before ADC measurement. If + property is not found default value depending on chip will be used. + items: + - const: 1 + - enum: [ 1, 3, 4, 6, 20, 8, 10 ] + + required: + - reg + - io-channels + + additionalProperties: + false + +required: + - compatible + - reg + - interrupts + - "#address-cells" + - "#size-cells" + - "#thermal-sensor-cells" + +additionalProperties: false + +examples: + - | + #include + #include + spmi_bus { + #address-cells = <1>; + #size-cells = <0>; + pm8150b_adc: adc@3100 { + reg = <0x3100>; + compatible = "qcom,spmi-adc5"; + #address-cells = <1>; + #size-cells = <0>; + #io-channel-cells = <1>; + + /* 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,ratiometric; + qcom,hw-settle-time-us = <200>; + }; + }; + }; +...