From patchwork Fri Sep 22 05:50:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Frank Wunderlich X-Patchwork-Id: 13394968 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id BCAD5E7D0CE for ; Fri, 22 Sep 2023 05:50:36 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231124AbjIVFuk (ORCPT ); Fri, 22 Sep 2023 01:50:40 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36358 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230292AbjIVFuj (ORCPT ); Fri, 22 Sep 2023 01:50:39 -0400 Received: from mxout3.routing.net (mxout3.routing.net [IPv6:2a03:2900:1:a::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8DF39114; Thu, 21 Sep 2023 22:50:30 -0700 (PDT) Received: from mxbox1.masterlogin.de (unknown [192.168.10.88]) by mxout3.routing.net (Postfix) with ESMTP id E8CE160F65; Fri, 22 Sep 2023 05:50:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1695361829; h=from:from: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=wd/4D84ABQ1LUUMTxdk3iRJmoRHg+E5YpjikqYdM80A=; b=sioAofncDb3E5M01wPfvOv9pI8bqr77jl887SgjeUrwc9QkQTS7CkSVHUhMDDtD74BM1hr cecraz1Cw4gGi+vKytwcjtcvJ+KNxqqb6gXBtmFGF4s1Pty04GfeipPZmRfHXUEolZPI2p ovz4KJ4R0l5qWe0VDx59QYokUhfoKkI= Received: from frank-G5.. (fttx-pool-217.61.149.125.bambit.de [217.61.149.125]) by mxbox1.masterlogin.de (Postfix) with ESMTPSA id 1D6964021D; Fri, 22 Sep 2023 05:50:28 +0000 (UTC) From: Frank Wunderlich To: linux-mediatek@lists.infradead.org Cc: Frank Wunderlich , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , AngeloGioacchino Del Regno , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v3 4/4] thermal/drivers/mediatek/lvts_thermal: add mt7988 support Date: Fri, 22 Sep 2023 07:50:20 +0200 Message-Id: <20230922055020.6436-5-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230922055020.6436-1-linux@fw-web.de> References: <20230922055020.6436-1-linux@fw-web.de> MIME-Version: 1.0 X-Mail-ID: 12176a23-d372-4442-8d8e-fe41e40334c0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org From: Frank Wunderlich Add Support for Mediatek Filogic 880/MT7988 LVTS. Signed-off-by: Frank Wunderlich Tested-by: Daniel Golle --- v3: - drop comments v2: - use 105°C for hw shutdown - move constants to binding file - change coeff.a to temp_factor and coeff.b to temp_offset - change to lvts to lvts-ap (Application Processor) - drop comments about efuse offsets - change comment of mt8195 to be similar to mt7988 --- drivers/thermal/mediatek/lvts_thermal.c | 38 +++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/mediatek/lvts_thermal.c index c2669f405a94..23b4e0b3195c 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -82,6 +82,8 @@ #define LVTS_GOLDEN_TEMP_DEFAULT 50 #define LVTS_COEFF_A_MT8195 -250460 #define LVTS_COEFF_B_MT8195 250460 +#define LVTS_COEFF_A_MT7988 -204650 +#define LVTS_COEFF_B_MT7988 204650 #define LVTS_MSR_IMMEDIATE_MODE 0 #define LVTS_MSR_FILTERED_MODE 1 @@ -89,6 +91,7 @@ #define LVTS_MSR_READ_TIMEOUT_US 400 #define LVTS_MSR_READ_WAIT_US (LVTS_MSR_READ_TIMEOUT_US / 2) +#define LVTS_HW_SHUTDOWN_MT7988 105000 #define LVTS_HW_SHUTDOWN_MT8195 105000 #define LVTS_MINIMUM_THRESHOLD 20000 @@ -1269,6 +1272,33 @@ static int lvts_remove(struct platform_device *pdev) return 0; } +static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] = { + { + .cal_offset = { 0x00, 0x04, 0x08, 0x0c }, + .lvts_sensor = { + { .dt_id = MT7988_CPU_0 }, + { .dt_id = MT7988_CPU_1 }, + { .dt_id = MT7988_ETH2P5G_0 }, + { .dt_id = MT7988_ETH2P5G_1 } + }, + .num_lvts_sensor = 4, + .offset = 0x0, + .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988, + }, + { + .cal_offset = { 0x14, 0x18, 0x1c, 0x20 }, + .lvts_sensor = { + { .dt_id = MT7988_TOPS_0}, + { .dt_id = MT7988_TOPS_1}, + { .dt_id = MT7988_ETHWARP_0}, + { .dt_id = MT7988_ETHWARP_1} + }, + .num_lvts_sensor = 4, + .offset = 0x100, + .hw_tshut_temp = LVTS_HW_SHUTDOWN_MT7988, + } +}; + static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] = { { .cal_offset = { 0x04, 0x07 }, @@ -1348,6 +1378,13 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_data_ctrl[] = { } }; +static const struct lvts_data mt7988_lvts_ap_data = { + .lvts_ctrl = mt7988_lvts_ap_data_ctrl, + .num_lvts_ctrl = ARRAY_SIZE(mt7988_lvts_ap_data_ctrl), + .temp_factor = LVTS_COEFF_A_MT7988, + .temp_offset = LVTS_COEFF_B_MT7988, +}; + static const struct lvts_data mt8195_lvts_mcu_data = { .lvts_ctrl = mt8195_lvts_mcu_data_ctrl, .num_lvts_ctrl = ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl), @@ -1363,6 +1400,7 @@ static const struct lvts_data mt8195_lvts_ap_data = { }; static const struct of_device_id lvts_of_match[] = { + { .compatible = "mediatek,mt7988-lvts-ap", .data = &mt7988_lvts_ap_data }, { .compatible = "mediatek,mt8195-lvts-mcu", .data = &mt8195_lvts_mcu_data }, { .compatible = "mediatek,mt8195-lvts-ap", .data = &mt8195_lvts_ap_data }, {},