From patchwork Sun Jul 24 12:24:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhupesh Sharma X-Patchwork-Id: 12927523 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 AE4EDC43334 for ; Sun, 24 Jul 2022 12:25:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233954AbiGXMZC (ORCPT ); Sun, 24 Jul 2022 08:25:02 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40620 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234185AbiGXMY5 (ORCPT ); Sun, 24 Jul 2022 08:24:57 -0400 Received: from mail-pl1-x62c.google.com (mail-pl1-x62c.google.com [IPv6:2607:f8b0:4864:20::62c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A2B3D17AB9 for ; Sun, 24 Jul 2022 05:24:51 -0700 (PDT) Received: by mail-pl1-x62c.google.com with SMTP id q5so8118749plr.11 for ; Sun, 24 Jul 2022 05:24:51 -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=aeM1+URF6K22PChBXxuUTBq3ki6hGotwl2mOvNpT7uo=; b=ggljdyyrK7ebpzFisHZHoz8VWg9b9ZNcPtsOdY57V7tsaSjo0mGxsv2cOONNvpLCUc NEQ902c1A5zxderuIrTa86Hc9d00lOzR3oHqZSSqrod9p5+2WjkBLndzpvK91rORzOUi q1KTZjaubvFz3YRqImMHcB03n0wfsDaVElk5w9ZLhuDpeOsaanKR+MGXR8DnWDpzFXjR 1IrJEehccVfrKGcmK2TjKACRcJ/RSOQD/qw7YC6lnDAam3zJufPI3POS2PZT0dfbL+cy 6Qn+RptlGvRCGdP0iFtp4exZd2LBb+TShV/J5U5Ii1ysavOPxaw7i94kSswIZKxSK1cW iBrQ== 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=aeM1+URF6K22PChBXxuUTBq3ki6hGotwl2mOvNpT7uo=; b=7YMpkyibA3c4Kthe/6I9pIubFYeJ4YVlK3GVBeURgnCmwbQLG67wcbt3ZlUnSe/po1 Nr9IV+9le9Bxk4ZLpCmwe0e6Mjsb9nDwV9VjCFtEm2ulTKDpEJ9ezZrTt/+xPx+COO7M 3ibDQI5vk3wc0ighfh5xcy/BoGIaOukqY3jdA3G1wmCWNzvco89/wADZveJ+lstYZRVL hRXyD62PuqYSWeBSef7XAqOWtdex9ax8kK8Sfi1irv0wnxHZrxl3iWvprnwqALUKsyO0 /CIpiL4wCqjdiJZpezBqhemyz/+AT0zumIWPF0mD9bYR2bMNclSPXCoWS0ZkrdzcIjr6 zDrg== X-Gm-Message-State: AJIora8OORgfHvA/ssw1fWun7a77tDu7+DcARxV5hIw4cCplNiMcoUkT czvm9sRg+aVI1WnAsDiX0fPBRw== X-Google-Smtp-Source: AGRyM1s8Oik61Alx4is/FDtweo4FH2WtkiMsaKQgJXGDBBfEVDVUL3P/crOsxsNGFtjQEG+OBJHQkg== X-Received: by 2002:a17:90b:4c03:b0:1f2:b977:c64e with SMTP id na3-20020a17090b4c0300b001f2b977c64emr6278pjb.211.1658665490929; Sun, 24 Jul 2022 05:24:50 -0700 (PDT) Received: from localhost.localdomain ([2401:4900:1f3a:5a45:a9cd:d7dd:fd01:73c0]) by smtp.gmail.com with ESMTPSA id p23-20020a1709027ed700b0016c0474fbd0sm7048133plb.34.2022.07.24.05.24.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 Jul 2022 05:24:50 -0700 (PDT) From: Bhupesh Sharma To: linux-pm@vger.kernel.org Cc: bhupesh.sharma@linaro.org, bhupesh.linux@gmail.com, linux-kernel@vger.kernel.org, bjorn.andersson@linaro.org, konrad.dybcio@somainline.org, linux-arm-msm@vger.kernel.org, daniel.lezcano@linaro.org, robh+dt@kernel.org, rafael@kernel.org, Amit Kucheria , Thara Gopinath Subject: [PATCH v2 4/5] thermal: qcom: tsens: Add reinit quirk support for tsens v2 controllers Date: Sun, 24 Jul 2022 17:54:23 +0530 Message-Id: <20220724122424.2509021-5-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.35.3 In-Reply-To: <20220724122424.2509021-1-bhupesh.sharma@linaro.org> References: <20220724122424.2509021-1-bhupesh.sharma@linaro.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Some Qualcomm tsens v2 controllers like those present on sm8150 SoC might require re-initialization via trustzone [via scm call(s)] when it enters a 'bad state' causing sensor temperatures/interrupts status to be in an 'invalid' state. Add hooks for the same in the qcom tsens driver. Devices requiring the same can pass the relevant compatible string in dt and the driver hook can be used accordingly. Cc: Bjorn Andersson Cc: Amit Kucheria Cc: Thara Gopinath Cc: linux-pm@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org Signed-off-by: Bhupesh Sharma --- drivers/thermal/qcom/tsens-v2.c | 12 ++++++++++++ drivers/thermal/qcom/tsens.c | 3 +++ drivers/thermal/qcom/tsens.h | 2 +- 3 files changed, 16 insertions(+), 1 deletion(-) diff --git a/drivers/thermal/qcom/tsens-v2.c b/drivers/thermal/qcom/tsens-v2.c index f521e4479cc5..431f17f99d34 100644 --- a/drivers/thermal/qcom/tsens-v2.c +++ b/drivers/thermal/qcom/tsens-v2.c @@ -104,6 +104,18 @@ struct tsens_plat_data data_tsens_v2 = { .fields = tsens_v2_regfields, }; +/* + * For some tsens v2 controllers, its suggested to monitor the + * controller health periodically and in case an issue is detected + * to reinit tsens controller via trustzone. + */ +struct tsens_plat_data data_tsens_v2_reinit = { + .ops = &ops_generic_v2, + .feat = &tsens_v2_feat, + .needs_reinit_wa = true, + .fields = tsens_v2_regfields, +}; + /* Kept around for backward compatibility with old msm8996.dtsi */ struct tsens_plat_data data_8996 = { .num_sensors = 13, diff --git a/drivers/thermal/qcom/tsens.c b/drivers/thermal/qcom/tsens.c index c2d085fb5447..928b6a44fda8 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -1145,6 +1145,9 @@ static const struct of_device_id tsens_table[] = { }, { .compatible = "qcom,msm8996-tsens", .data = &data_8996, + }, { + .compatible = "qcom,sm8150-tsens", + .data = &data_tsens_v2_reinit, }, { .compatible = "qcom,tsens-v1", .data = &data_tsens_v1, diff --git a/drivers/thermal/qcom/tsens.h b/drivers/thermal/qcom/tsens.h index 900d2a74d25e..03cc3a790972 100644 --- a/drivers/thermal/qcom/tsens.h +++ b/drivers/thermal/qcom/tsens.h @@ -607,6 +607,6 @@ extern struct tsens_plat_data data_8916, data_8939, data_8974, data_9607; extern struct tsens_plat_data data_tsens_v1, data_8976; /* TSENS v2 targets */ -extern struct tsens_plat_data data_8996, data_tsens_v2; +extern struct tsens_plat_data data_8996, data_tsens_v2_reinit, data_tsens_v2; #endif /* __QCOM_TSENS_H__ */