From patchwork Sun Feb 13 08:33:08 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jishnu Prakash X-Patchwork-Id: 12744520 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73736C433EF for ; Sun, 13 Feb 2022 08:33:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234415AbiBMIeB (ORCPT ); Sun, 13 Feb 2022 03:34:01 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:50060 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234419AbiBMId7 (ORCPT ); Sun, 13 Feb 2022 03:33:59 -0500 Received: from alexa-out.qualcomm.com (alexa-out.qualcomm.com [129.46.98.28]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 967D05EDC4; Sun, 13 Feb 2022 00:33:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; i=@quicinc.com; q=dns/txt; s=qcdkim; t=1644741232; x=1676277232; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version; bh=YXMs8oGskSNB8eGSZdW5Fzr2htx7rYQEhCChIn54sWo=; b=btRtdBr7DRokAdAAbv7YJAcKThTlVNvSYn9k/WO6gHnI5G3E3ELcQotM tZN0Si35Bt8IgJMDJRR/dmaWsnxKu79A5VXABN6dTpyLN1VHQIEIUdCMN 3ocdZ8gHw4boYh8Nea6Aw+MgOV3tE3D6jh/r2kSopSuA2EHFlHXOCNMXu Q=; Received: from ironmsg07-lv.qualcomm.com ([10.47.202.151]) by alexa-out.qualcomm.com with ESMTP; 13 Feb 2022 00:33:52 -0800 X-QCInternal: smtphost Received: from nasanex01c.na.qualcomm.com ([10.47.97.222]) by ironmsg07-lv.qualcomm.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 13 Feb 2022 00:33:51 -0800 Received: from nalasex01a.na.qualcomm.com (10.47.209.196) by nasanex01c.na.qualcomm.com (10.47.97.222) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.15; Sun, 13 Feb 2022 00:33:50 -0800 Received: from jprakash-linux.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.922.19; Sun, 13 Feb 2022 00:33:43 -0800 From: Jishnu Prakash To: , , , , , , , , , , , , , , , , , , "Rafael J. Wysocki" , , , CC: , , Jishnu Prakash Subject: [PATCH V5 1/4] dt-bindings: thermal: qcom: add PMIC5 Gen2 ADC_TM bindings Date: Sun, 13 Feb 2022 14:03:08 +0530 Message-ID: <1644741191-12039-2-git-send-email-quic_jprakash@quicinc.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1644741191-12039-1-git-send-email-quic_jprakash@quicinc.com> References: <1644741191-12039-1-git-send-email-quic_jprakash@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01a.na.qualcomm.com (10.52.223.231) To nalasex01a.na.qualcomm.com (10.47.209.196) Precedence: bulk List-ID: X-Mailing-List: linux-iio@vger.kernel.org Add documentation for PMIC5 Gen2 ADC_TM peripheral. It is used for monitoring ADC channel thresholds for PMIC7-type PMICs. It is present on PMK8350, like PMIC7 ADC and can be used to monitor up to 8 ADC channels, from any of the PMIC7 PMICs on a target, through PBS(Programmable Boot Sequence). Signed-off-by: Jishnu Prakash Reviewed-by: Jonathan Cameron Reviewed-by: Rob Herring --- .../bindings/thermal/qcom-spmi-adc-tm5.yaml | 110 ++++++++++++++++++++- 1 file changed, 108 insertions(+), 2 deletions(-) diff --git a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml index 3ea8c0c..feb390d 100644 --- a/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml +++ b/Documentation/devicetree/bindings/thermal/qcom-spmi-adc-tm5.yaml @@ -10,7 +10,9 @@ maintainers: properties: compatible: - const: qcom,spmi-adc-tm5 + enum: + - qcom,spmi-adc-tm5 + - qcom,spmi-adc-tm5-gen2 reg: maxItems: 1 @@ -33,6 +35,7 @@ properties: qcom,avg-samples: $ref: /schemas/types.yaml#/definitions/uint32 description: Number of samples to be used for measurement. + Not applicable for Gen2 ADC_TM peripheral. enum: - 1 - 2 @@ -45,6 +48,7 @@ properties: $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. + Not applicable for Gen2 ADC_TM peripheral. enum: - 250 - 420 @@ -93,6 +97,29 @@ patternProperties: - const: 1 - enum: [ 1, 3, 4, 6, 20, 8, 10 ] + qcom,avg-samples: + $ref: /schemas/types.yaml#/definitions/uint32 + description: Number of samples to be used for measurement. + This property in child node is applicable only for Gen2 ADC_TM peripheral. + enum: + - 1 + - 2 + - 4 + - 8 + - 16 + default: 1 + + qcom,decimation: + $ref: /schemas/types.yaml#/definitions/uint32 + description: This parameter is used to decrease ADC sampling rate. + Quicker measurements can be made by reducing decimation ratio. + This property in child node is applicable only for Gen2 ADC_TM peripheral. + enum: + - 85 + - 340 + - 1360 + default: 1360 + required: - reg - io-channels @@ -100,6 +127,31 @@ patternProperties: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + const: qcom,spmi-adc-tm5 + + then: + patternProperties: + "^([-a-z0-9]*)@[0-7]$": + properties: + qcom,decimation: false + qcom,avg-samples: false + + - if: + properties: + compatible: + contains: + const: qcom,spmi-adc-tm5-gen2 + + then: + properties: + qcom,avg-samples: false + qcom,decimation: false + required: - compatible - reg @@ -124,7 +176,7 @@ examples: #size-cells = <0>; #io-channel-cells = <1>; - /* Other propreties are omitted */ + /* Other properties are omitted */ conn-therm@4f { reg = ; qcom,ratiometric; @@ -148,4 +200,58 @@ examples: }; }; }; + + - | + #include + #include + #include + spmi_bus { + #address-cells = <1>; + #size-cells = <0>; + pmk8350_vadc: adc@3100 { + reg = <0x3100>; + compatible = "qcom,spmi-adc7"; + #address-cells = <1>; + #size-cells = <0>; + #io-channel-cells = <1>; + + /* Other properties are omitted */ + xo-therm@44 { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + + conn-therm@47 { + reg = ; + qcom,ratiometric; + qcom,hw-settle-time = <200>; + }; + }; + + pmk8350_adc_tm: adc-tm@3400 { + compatible = "qcom,spmi-adc-tm5-gen2"; + reg = <0x3400>; + interrupts = <0x0 0x34 0x0 IRQ_TYPE_EDGE_RISING>; + #thermal-sensor-cells = <1>; + #address-cells = <1>; + #size-cells = <0>; + + pmk8350-xo-therm@0 { + reg = <0>; + io-channels = <&pmk8350_vadc PMK8350_ADC7_AMUX_THM1_100K_PU>; + qcom,decimation = <340>; + qcom,ratiometric; + qcom,hw-settle-time-us = <200>; + }; + + conn-therm@1 { + reg = <1>; + io-channels = <&pmk8350_vadc PM8350_ADC7_AMUX_THM4_100K_PU>; + qcom,avg-samples = <2>; + qcom,ratiometric; + qcom,hw-settle-time-us = <200>; + }; + }; + }; ...