From patchwork Thu Sep 1 10:54:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Bhupesh Sharma X-Patchwork-Id: 12962302 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 3C875ECAAD1 for ; Thu, 1 Sep 2022 10:55:27 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234416AbiIAKzZ (ORCPT ); Thu, 1 Sep 2022 06:55:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51556 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234339AbiIAKzD (ORCPT ); Thu, 1 Sep 2022 06:55:03 -0400 Received: from mail-pg1-x531.google.com (mail-pg1-x531.google.com [IPv6:2607:f8b0:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BB273A19F for ; Thu, 1 Sep 2022 03:54:47 -0700 (PDT) Received: by mail-pg1-x531.google.com with SMTP id 202so16019336pgc.8 for ; Thu, 01 Sep 2022 03:54:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date; bh=9Rgza/BFhiKgz5qbn9tPTsIEssmmxYhCqKqdcg+i9QY=; b=gSPF6cYdqAKPZBIfnj0ykq8qkjlihGmDcLYbY1JGovRpm98ByZ/r58JoGphkqYmn/W saR5sAJ8dhx80eN8CLs3yhUzH9aDWx+57vnNlj/pkgxDik3jNmDPd7cGoIQr0qgHJ27L z2KajvrNb9oAMZRVwKPWmlX732/E8MZVcdG4AknCEWmPfw9jvlQcXErOvqlFg3YBjrb0 T7pj/36wWglz35CHTiYG+M3Q+85w31cf9KKJUKNatDPlGuwuWz0Jzrs717RzwYtl0Jlz Robmj4WKGtZJqBchIgsSeXXc7CQ2tbc85Yk0QdH157dsOMDbKlIqtPcTbiMi6Ta/gtNv R0rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date; bh=9Rgza/BFhiKgz5qbn9tPTsIEssmmxYhCqKqdcg+i9QY=; b=ClVO90Ryfg69ARfh2K7hli+a1t3s3dcwlCHxc7ObepHDkr5OtJVEc5sa4NuFXWPllM T3fzYtGE5SNLrF3XewLT4JyPLug5C63uSCdd8PR62iGPjYgCN24xDt/eoudUBGqjFbUJ DcUJeNaiRFiQCGZAa2qV7vSfLEbBjqagvm9QcdU859ARkkXSoAxbelLDCwZGzKDorqTi z0pcLryPBD2EYRt0p+StFzSB67bUqW18Ru/p87axKLpk0Qr44pIYfVzK9WfdMMZa6HxG +z3IIQrG0wCjnnT6jQKp28zw8HuZJVbbi2u9KV+1DJBfK7dhjr+PhdNDZj9ni93Dd0ai Hw1Q== X-Gm-Message-State: ACgBeo0mMAM0TuRzAUvG/k7wmL1SdW6Mo4q5za62biLBWnrh/zciWCeA 50+pAEUbNfo6HE53IHxQPHAigA== X-Google-Smtp-Source: AA6agR5tOEba8IL4Jg1YiwEsoVUeCfd8Ux+DLPb4woSbhcyyLTvyIkvIYPlLjgqQvWYomSPtBhYbFg== X-Received: by 2002:a63:4503:0:b0:430:48ac:6046 with SMTP id s3-20020a634503000000b0043048ac6046mr4910890pga.74.1662029685943; Thu, 01 Sep 2022 03:54:45 -0700 (PDT) Received: from localhost.localdomain ([2401:4900:1c60:5362:8069:f46:34af:eb19]) by smtp.gmail.com with ESMTPSA id ij13-20020a170902ab4d00b0016c57657977sm13508910plb.41.2022.09.01.03.54.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Sep 2022 03:54:45 -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, andersson@kernel.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 v4 4/4] thermal: qcom: tsens: Add reinit quirk support for tsens v2 controllers Date: Thu, 1 Sep 2022 16:24:14 +0530 Message-Id: <20220901105414.1171813-5-bhupesh.sharma@linaro.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20220901105414.1171813-1-bhupesh.sharma@linaro.org> References: <20220901105414.1171813-1-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: Amit Kucheria Cc: Thara Gopinath Cc: linux-pm@vger.kernel.org Cc: linux-arm-msm@vger.kernel.org Reviewed-by: Bjorn Andersson 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 ecf544683e73..ab8561ddedb2 100644 --- a/drivers/thermal/qcom/tsens.c +++ b/drivers/thermal/qcom/tsens.c @@ -1138,6 +1138,9 @@ 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__ */