From patchwork Tue Oct 5 03:25:28 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bjorn Andersson X-Patchwork-Id: 12535431 X-Patchwork-Delegate: daniel.lezcano@linaro.org Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9B749C433EF for ; Tue, 5 Oct 2021 03:23:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7BD3561526 for ; Tue, 5 Oct 2021 03:23:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231651AbhJEDZl (ORCPT ); Mon, 4 Oct 2021 23:25:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59846 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231553AbhJEDZk (ORCPT ); Mon, 4 Oct 2021 23:25:40 -0400 Received: from mail-ot1-x331.google.com (mail-ot1-x331.google.com [IPv6:2607:f8b0:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AA41FC061745 for ; Mon, 4 Oct 2021 20:23:50 -0700 (PDT) Received: by mail-ot1-x331.google.com with SMTP id 5-20020a9d0685000000b0054706d7b8e5so24239687otx.3 for ; Mon, 04 Oct 2021 20:23:50 -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=5F9P+rsu48FUbDV9TizntpJNt5FGTMagwmpzztCYYIw=; b=Vgnf2JNJ6OouXm7x/ldZOtSiEBU9yaIGBuePc25n9LYJz7oTjHqtLMbpOy+DiE8yIC +bCLgob2aVTyOTtF+ltOjjwjX0Nro3SOfDRrylKn17hldGv6KKiQIqacFJumID5GcZEN cjoX0u1fz/8xwfXhSSISiSmb/8YZIO2o9zcqU6QwgEPzSfnnMK6kalPihkksXoEyBdjq 0U+GG1xvEb89Q9uSNygFIdMIRKA8BX48trA5bdmoeXsOD8D+jHKmJ3z5gxQlLN4dgP+L bRmtdhiTa0mCO6vvbhL6mU4f53vxCvA6973/kQYNdgKqNQ7Dz5heVCyNOKtZYESt41Xn XCww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=5F9P+rsu48FUbDV9TizntpJNt5FGTMagwmpzztCYYIw=; b=5UXUyYq/y3y7CqhI71fUmFEDRrGu76fa8AsBaPseeNovWOjZaXBTWRIsG9bkf0CtIa emjfHAM34TDeiMErsgrjuJh03+QLzxu6XSBuzMnzFwuHv14Q2Jt2YN5Mz5TVjb4i43M5 gVx48294RAKx65jLDcXcmkdzs1Ogbw5OA4rVQPpcTs5TKnR0dgkAs48GHHzddYCThPSW peUujwhKReRt13KL4YKygzBBHeQD5BmPDeRQiJoKWw5BPf1e11cYuv5tVgUDJ2j4kPHi 29PDxL8vAx90s1PHdb3OMpYDyjVHfll1AdgCRq3aFMQFkPhfDJnkUbN4O2UsAl8v2AnK K0Bg== X-Gm-Message-State: AOAM533cPaTzBDwOx5/fOEmfOVHUexGuqFsmzz0Clzw47vTp9nnG/VGI q5cuqaLBQZJhhRR0Ns3UPZAUjw== X-Google-Smtp-Source: ABdhPJwlAARTmLd3RxM8TmQEU67BvdMOr6403mm2vbc3R957cl9jAHBfr0HIn7uK4/BRRaB/LZkTEA== X-Received: by 2002:a05:6830:22d6:: with SMTP id q22mr11873976otc.344.1633404230029; Mon, 04 Oct 2021 20:23:50 -0700 (PDT) Received: from localhost.localdomain ([2600:1700:a0:3dc8:205:1bff:fec0:b9b3]) by smtp.gmail.com with ESMTPSA id j4sm3111955oia.56.2021.10.04.20.23.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 04 Oct 2021 20:23:49 -0700 (PDT) From: Bjorn Andersson To: Andy Gross , Bjorn Andersson , Zhang Rui , Daniel Lezcano , Amit Kucheria , Rob Herring , Thara Gopinath , Dmitry Baryshkov Cc: linux-arm-msm@vger.kernel.org, linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v3 1/4] dt-bindings: thermal: qcom: add HC variant of adc-thermal monitor bindings Date: Mon, 4 Oct 2021 20:25:28 -0700 Message-Id: <20211005032531.2251928-2-bjorn.andersson@linaro.org> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20211005032531.2251928-1-bjorn.andersson@linaro.org> References: <20211005032531.2251928-1-bjorn.andersson@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org The HC generation of the ADC Thermal Monitor is quite similar to the 5th generation, but differs in valid values for a few properties. Create a new binding for the HC version of the hardware, rather than sprinkle conditionals throughout the existing binding. Signed-off-by: Bjorn Andersson Reviewed-by: Rob Herring --- Changes since v2: - None .../bindings/thermal/qcom-spmi-adc-tm-hc.yaml | 149 ++++++++++++++++++ 1 file changed, 149 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm-hc.yaml diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm-hc.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm-hc.yaml new file mode 100644 index 000000000000..8273ac55b63f --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm-hc.yaml @@ -0,0 +1,149 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm-hc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm's SPMI PMIC ADC HC Thermal Monitoring +maintainers: + - Dmitry Baryshkov + +properties: + compatible: + const: qcom,spmi-adc-tm-hc + + 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: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter is used to decrease ADC sampling rate. + Quicker measurements can be made by reducing decimation ratio. + enum: + - 256 + - 512 + - 1024 + default: 1024 + +patternProperties: + "^([-a-z0-9]*)@[0-7]$": + type: object + description: + Represent one thermal sensor. + + properties: + reg: + 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: + description: Time between AMUX getting configured and the ADC starting conversion. + enum: [0, 100, 200, 300, 400, 500, 600, 700, 1000, 2000, 4000, 6000, 8000, 10000] + + 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>; + pm8998_adc: adc@3100 { + reg = <0x3100>; + compatible = "qcom,spmi-adc-rev2"; + #address-cells = <1>; + #size-cells = <0>; + #io-channel-cells = <1>; + + /* Other propreties are omitted */ + adc-chan@4c { + reg = ; + }; + }; + + pm8998_adc_tm: adc-tm@3400 { + compatible = "qcom,spmi-adc-tm-hc"; + reg = <0x3400>; + interrupts = <0x2 0x34 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + thermistor@1 { + reg = <1>; + io-channels = <&pm8998_adc ADC5_XO_THERM_100K_PU>; + qcom,ratiometric; + qcom,hw-settle-time-us = <200>; + }; + }; + }; +...