From nobody Fri Sep 20 09:37:03 2024 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 DB565C04ABA for ; Wed, 20 Sep 2023 17:50:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229596AbjITRuV (ORCPT ); Wed, 20 Sep 2023 13:50:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33876 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229512AbjITRuR (ORCPT ); Wed, 20 Sep 2023 13:50:17 -0400 Received: from mxout2.routing.net (mxout2.routing.net [IPv6:2a03:2900:1:a::b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF52DCA; Wed, 20 Sep 2023 10:50:10 -0700 (PDT) Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout2.routing.net (Postfix) with ESMTP id 0817F6035B; Wed, 20 Sep 2023 17:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1695232209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=EpXyE3pyrLeXOoW/vTn/35mmwMMGT5ciC6Nn0z7I4eI=; b=h3BGCFCnFpKrXPsRyyuYxjScEcHuE5yKI+5VscIyM7e7qLus6YOrnwRwLFbkKcXdFMSYQn m5hNdJW/WcuqODSErRv/CIL4K5wM4z5EC31U7rZbwkdsTsflW1wyRhE2xZsfc6WNeoDGrl G04GkiedV1LYm7WjGhG2R4//uig4pg0= Received: from frank-G5.. (fttx-pool-217.61.152.105.bambit.de [217.61.152.105]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 3BE701006A2; Wed, 20 Sep 2023 17:50:08 +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 v2 1/4] dt-bindings: thermal: mediatek: add mt7988 lvts compatible Date: Wed, 20 Sep 2023 19:49:58 +0200 Message-Id: <20230920175001.47563-2-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920175001.47563-1-linux@fw-web.de> References: <20230920175001.47563-1-linux@fw-web.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mail-ID: 5430aa16-e26a-4aa4-9ee0-76ea05442544 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich Add compatible string for mt7988 lvts application processor. Signed-off-by: Frank Wunderlich Acked-by: Krzysztof Kozlowski Reviewed-by: AngeloGioacchino Del Regno --- v2: - change mt7988-lvts to mt7988-lvts-ap (Application Processor) - not added Ack from Rob because of this change --- .../devicetree/bindings/thermal/mediatek,lvts-thermal.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/thermal/mediatek,lvts-therma= l.yaml b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.ya= ml index fe9ae4c425c0..e6665af52ee6 100644 --- a/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml +++ b/Documentation/devicetree/bindings/thermal/mediatek,lvts-thermal.yaml @@ -18,6 +18,7 @@ description: | properties: compatible: enum: + - mediatek,mt7988-lvts-ap - mediatek,mt8192-lvts-ap - mediatek,mt8192-lvts-mcu - mediatek,mt8195-lvts-ap --=20 2.34.1 From nobody Fri Sep 20 09:37:03 2024 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 8908AC04AB8 for ; Wed, 20 Sep 2023 17:50:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229603AbjITRuX (ORCPT ); Wed, 20 Sep 2023 13:50:23 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33890 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229461AbjITRuR (ORCPT ); Wed, 20 Sep 2023 13:50:17 -0400 Received: from mxout2.routing.net (mxout2.routing.net [IPv6:2a03:2900:1:a::b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 68C9594; Wed, 20 Sep 2023 10:50:11 -0700 (PDT) Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout2.routing.net (Postfix) with ESMTP id C33F1615FC; Wed, 20 Sep 2023 17:50:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1695232209; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=6Ab/IJGopl0Fd9bE40PtYLKeKlhYSWE9/GzXwTQ8IZ0=; b=KDbQv9Gp+pCwGmY6GAW2gND9JNsiWa5glAC5IBTBQfSu8U0WauN54as8GQ2Wo1J/3n3+Dy MsTnFSnIdVbzRL0rgcTtKfQ9SO/zQwVJZRAOIReRI/NzAxlqlFEsHOyF0GRefAPf95F53V IvQNeadAvecIjjDQl6HUgoP4KTimw1k= Received: from frank-G5.. (fttx-pool-217.61.152.105.bambit.de [217.61.152.105]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 059B31015CA; Wed, 20 Sep 2023 17:50:09 +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 v2 2/4] dt-bindings: thermal: mediatek: Add LVTS thermal sensors for mt7988 Date: Wed, 20 Sep 2023 19:49:59 +0200 Message-Id: <20230920175001.47563-3-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920175001.47563-1-linux@fw-web.de> References: <20230920175001.47563-1-linux@fw-web.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mail-ID: c3a287f9-3456-4424-bf8c-b952a733516f Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich Add sensor constants for MT7988. Signed-off-by: Frank Wunderlich Acked-by: Conor Dooley Reviewed-by: AngeloGioacchino Del Regno --- v2: - new patch (moved from driver code to binding header) - give sensors more meaningful names --- include/dt-bindings/thermal/mediatek,lvts-thermal.h | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/include/dt-bindings/thermal/mediatek,lvts-thermal.h b/include/= dt-bindings/thermal/mediatek,lvts-thermal.h index 8fa5a46675c4..8c1fdc18cf34 100644 --- a/include/dt-bindings/thermal/mediatek,lvts-thermal.h +++ b/include/dt-bindings/thermal/mediatek,lvts-thermal.h @@ -7,6 +7,15 @@ #ifndef __MEDIATEK_LVTS_DT_H #define __MEDIATEK_LVTS_DT_H =20 +#define MT7988_CPU_0 0 +#define MT7988_CPU_1 1 +#define MT7988_ETH2P5G_0 2 +#define MT7988_ETH2P5G_1 3 +#define MT7988_TOPS_0 4 +#define MT7988_TOPS_1 5 +#define MT7988_ETHWARP_0 6 +#define MT7988_ETHWARP_1 7 + #define MT8195_MCU_BIG_CPU0 0 #define MT8195_MCU_BIG_CPU1 1 #define MT8195_MCU_BIG_CPU2 2 --=20 2.34.1 From nobody Fri Sep 20 09:37:03 2024 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 332EFC04AB8 for ; Wed, 20 Sep 2023 17:50:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229562AbjITRu2 (ORCPT ); Wed, 20 Sep 2023 13:50:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33912 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229572AbjITRuS (ORCPT ); Wed, 20 Sep 2023 13:50:18 -0400 Received: from mxout1.routing.net (mxout1.routing.net [IPv6:2a03:2900:1:a::a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49D5EA3; Wed, 20 Sep 2023 10:50:12 -0700 (PDT) Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout1.routing.net (Postfix) with ESMTP id 9DD9B4045E; Wed, 20 Sep 2023 17:50:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1695232210; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=5QpydNhnuiJDmq+DkprcEXtw+wHEatREQRn/jQOhq8U=; b=psadO1KI3iBd80l9ivfW3Xc8VuZT4T3fzQ+BK66uGeSaUavtIWoXIoq+BHtSJYcZ0N9Yj2 O2mOPIkuv4OXumPzOmkAA9Q6GSWmgquA4FOHgOcEoqtFUzUcF3i5XYEQOGUA4DndII9uv3 3HF2l7WMM/u5Ma6yg8ykXBoIkG+CbSU= Received: from frank-G5.. (fttx-pool-217.61.152.105.bambit.de [217.61.152.105]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id BD9911006A2; Wed, 20 Sep 2023 17:50:09 +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 v2 3/4] thermal/drivers/mediatek/lvts_thermal: make coeff configurable Date: Wed, 20 Sep 2023 19:50:00 +0200 Message-Id: <20230920175001.47563-4-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920175001.47563-1-linux@fw-web.de> References: <20230920175001.47563-1-linux@fw-web.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Mail-ID: ef1a64eb-da28-41db-a1c7-108f57370c3b Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Frank Wunderlich The upcoming mt7988 has different temperature coefficients so we cannot use constants in the functions lvts_golden_temp_init, lvts_golden_temp_init and lvts_raw_to_temp anymore. Add a field in the lvts_ctrl pointing to the lvts_data which now contains the soc-specific temperature coefficents. To make the code better readable, rename static int coeff_b to golden_temp_offset, COEFF_A to temp_factor and COEFF_B to temp_offset. Signed-off-by: Frank Wunderlich Reviewed-by: AngeloGioacchino Del Regno --- v2: - rename static int coeff_b to golden_temp_offset - rename coeff.a to temp_factor and coeff.b to temp_offset --- drivers/thermal/mediatek/lvts_thermal.c | 51 ++++++++++++++++--------- 1 file changed, 34 insertions(+), 17 deletions(-) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/medi= atek/lvts_thermal.c index effd9b00a424..c2669f405a94 100644 --- a/drivers/thermal/mediatek/lvts_thermal.c +++ b/drivers/thermal/mediatek/lvts_thermal.c @@ -80,8 +80,8 @@ #define LVTS_SENSOR_MAX 4 #define LVTS_GOLDEN_TEMP_MAX 62 #define LVTS_GOLDEN_TEMP_DEFAULT 50 -#define LVTS_COEFF_A -250460 -#define LVTS_COEFF_B 250460 +#define LVTS_COEFF_A_MT8195 -250460 +#define LVTS_COEFF_B_MT8195 250460 =20 #define LVTS_MSR_IMMEDIATE_MODE 0 #define LVTS_MSR_FILTERED_MODE 1 @@ -94,7 +94,7 @@ #define LVTS_MINIMUM_THRESHOLD 20000 =20 static int golden_temp =3D LVTS_GOLDEN_TEMP_DEFAULT; -static int coeff_b =3D LVTS_COEFF_B; +static int golden_temp_offset; =20 struct lvts_sensor_data { int dt_id; @@ -112,6 +112,8 @@ struct lvts_ctrl_data { struct lvts_data { const struct lvts_ctrl_data *lvts_ctrl; int num_lvts_ctrl; + int temp_factor; + int temp_offset; }; =20 struct lvts_sensor { @@ -126,6 +128,7 @@ struct lvts_sensor { =20 struct lvts_ctrl { struct lvts_sensor sensors[LVTS_SENSOR_MAX]; + const struct lvts_data *lvts_data; u32 calibration[LVTS_SENSOR_MAX]; u32 hw_tshut_raw_temp; int num_lvts_sensor; @@ -247,21 +250,21 @@ static void lvts_debugfs_exit(struct lvts_domain *lvt= s_td) { } =20 #endif =20 -static int lvts_raw_to_temp(u32 raw_temp) +static int lvts_raw_to_temp(u32 raw_temp, int temp_factor) { int temperature; =20 - temperature =3D ((s64)(raw_temp & 0xFFFF) * LVTS_COEFF_A) >> 14; - temperature +=3D coeff_b; + temperature =3D ((s64)(raw_temp & 0xFFFF) * temp_factor) >> 14; + temperature +=3D golden_temp_offset; =20 return temperature; } =20 -static u32 lvts_temp_to_raw(int temperature) +static u32 lvts_temp_to_raw(int temperature, int temp_factor) { - u32 raw_temp =3D ((s64)(coeff_b - temperature)) << 14; + u32 raw_temp =3D ((s64)(golden_temp_offset - temperature)) << 14; =20 - raw_temp =3D div_s64(raw_temp, -LVTS_COEFF_A); + raw_temp =3D div_s64(raw_temp, -temp_factor); =20 return raw_temp; } @@ -269,6 +272,9 @@ static u32 lvts_temp_to_raw(int temperature) static int lvts_get_temp(struct thermal_zone_device *tz, int *temp) { struct lvts_sensor *lvts_sensor =3D thermal_zone_device_priv(tz); + struct lvts_ctrl *lvts_ctrl =3D container_of(lvts_sensor, struct lvts_ctr= l, + sensors[lvts_sensor->id]); + const struct lvts_data *lvts_data =3D lvts_ctrl->lvts_data; void __iomem *msr =3D lvts_sensor->msr; u32 value; int rc; @@ -301,7 +307,7 @@ static int lvts_get_temp(struct thermal_zone_device *tz= , int *temp) if (rc) return -EAGAIN; =20 - *temp =3D lvts_raw_to_temp(value & 0xFFFF); + *temp =3D lvts_raw_to_temp(value & 0xFFFF, lvts_data->temp_factor); =20 return 0; } @@ -348,10 +354,13 @@ static bool lvts_should_update_thresh(struct lvts_ctr= l *lvts_ctrl, int high) static int lvts_set_trips(struct thermal_zone_device *tz, int low, int hig= h) { struct lvts_sensor *lvts_sensor =3D thermal_zone_device_priv(tz); - struct lvts_ctrl *lvts_ctrl =3D container_of(lvts_sensor, struct lvts_ctr= l, sensors[lvts_sensor->id]); + struct lvts_ctrl *lvts_ctrl =3D container_of(lvts_sensor, struct lvts_ctr= l, + sensors[lvts_sensor->id]); + const struct lvts_data *lvts_data =3D lvts_ctrl->lvts_data; void __iomem *base =3D lvts_sensor->base; - u32 raw_low =3D lvts_temp_to_raw(low !=3D -INT_MAX ? low : LVTS_MINIMUM_T= HRESHOLD); - u32 raw_high =3D lvts_temp_to_raw(high); + u32 raw_low =3D lvts_temp_to_raw(low !=3D -INT_MAX ? low : LVTS_MINIMUM_T= HRESHOLD, + lvts_data->temp_factor); + u32 raw_high =3D lvts_temp_to_raw(high, lvts_data->temp_factor); bool should_update_thresh; =20 lvts_sensor->low_thresh =3D low; @@ -692,7 +701,7 @@ static int lvts_calibration_read(struct device *dev, st= ruct lvts_domain *lvts_td return 0; } =20 -static int lvts_golden_temp_init(struct device *dev, u32 *value) +static int lvts_golden_temp_init(struct device *dev, u32 *value, int temp_= offset) { u32 gt; =20 @@ -701,7 +710,7 @@ static int lvts_golden_temp_init(struct device *dev, u3= 2 *value) if (gt && gt < LVTS_GOLDEN_TEMP_MAX) golden_temp =3D gt; =20 - coeff_b =3D golden_temp * 500 + LVTS_COEFF_B; + golden_temp_offset =3D golden_temp * 500 + temp_offset; =20 return 0; } @@ -724,7 +733,7 @@ static int lvts_ctrl_init(struct device *dev, struct lv= ts_domain *lvts_td, * The golden temp information is contained in the first chunk * of efuse data. */ - ret =3D lvts_golden_temp_init(dev, (u32 *)lvts_td->calib); + ret =3D lvts_golden_temp_init(dev, (u32 *)lvts_td->calib, lvts_data->temp= _offset); if (ret) return ret; =20 @@ -735,6 +744,7 @@ static int lvts_ctrl_init(struct device *dev, struct lv= ts_domain *lvts_td, for (i =3D 0; i < lvts_data->num_lvts_ctrl; i++) { =20 lvts_ctrl[i].base =3D lvts_td->base + lvts_data->lvts_ctrl[i].offset; + lvts_ctrl[i].lvts_data =3D lvts_data; =20 ret =3D lvts_sensor_init(dev, &lvts_ctrl[i], &lvts_data->lvts_ctrl[i]); @@ -758,7 +768,8 @@ static int lvts_ctrl_init(struct device *dev, struct lv= ts_domain *lvts_td, * after initializing the calibration. */ lvts_ctrl[i].hw_tshut_raw_temp =3D - lvts_temp_to_raw(lvts_data->lvts_ctrl[i].hw_tshut_temp); + lvts_temp_to_raw(lvts_data->lvts_ctrl[i].hw_tshut_temp, + lvts_data->temp_factor); =20 lvts_ctrl[i].low_thresh =3D INT_MIN; lvts_ctrl[i].high_thresh =3D INT_MIN; @@ -1223,6 +1234,8 @@ static int lvts_probe(struct platform_device *pdev) if (irq < 0) return irq; =20 + golden_temp_offset =3D lvts_data->temp_offset; + ret =3D lvts_domain_init(dev, lvts_td, lvts_data); if (ret) return dev_err_probe(dev, ret, "Failed to initialize the lvts domain\n"); @@ -1338,11 +1351,15 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_d= ata_ctrl[] =3D { static const struct lvts_data mt8195_lvts_mcu_data =3D { .lvts_ctrl =3D mt8195_lvts_mcu_data_ctrl, .num_lvts_ctrl =3D ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl), + .temp_factor =3D LVTS_COEFF_A_MT8195, + .temp_offset =3D LVTS_COEFF_B_MT8195, }; =20 static const struct lvts_data mt8195_lvts_ap_data =3D { .lvts_ctrl =3D mt8195_lvts_ap_data_ctrl, .num_lvts_ctrl =3D ARRAY_SIZE(mt8195_lvts_ap_data_ctrl), + .temp_factor =3D LVTS_COEFF_A_MT8195, + .temp_offset =3D LVTS_COEFF_B_MT8195, }; =20 static const struct of_device_id lvts_of_match[] =3D { --=20 2.34.1 From nobody Fri Sep 20 09:37:03 2024 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 020ABC04ABF for ; Wed, 20 Sep 2023 17:50:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229611AbjITRu0 (ORCPT ); Wed, 20 Sep 2023 13:50:26 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:33918 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229573AbjITRuS (ORCPT ); Wed, 20 Sep 2023 13:50:18 -0400 Received: from mxout3.routing.net (mxout3.routing.net [IPv6:2a03:2900:1:a::8]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id EB29FC6; Wed, 20 Sep 2023 10:50:12 -0700 (PDT) Received: from mxbox2.masterlogin.de (unknown [192.168.10.89]) by mxout3.routing.net (Postfix) with ESMTP id 61A2462615; Wed, 20 Sep 2023 17:50:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mailerdienst.de; s=20200217; t=1695232211; 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=yPGaIcaBpYIsL+K5fU/g5XcubHkm1r3TP41OLpcHHUU=; b=GFMXvfg9d/BnAHtYhKhiU8HFWdvHDME9Kkq9jXrc4St8oh4WGMX6qjBy7htYFri4oY6Ywd FzRkIuGF5Ck+VL6ggxHrghuu0+FbpJWQh10bnYEosuL556EtNBN+Cs7zbZ9AMPD1YprvgQ BqCDdPAxxEekoKME8GvQ9g8iWNO7/Zo= Received: from frank-G5.. (fttx-pool-217.61.152.105.bambit.de [217.61.152.105]) by mxbox2.masterlogin.de (Postfix) with ESMTPSA id 967111006BE; Wed, 20 Sep 2023 17:50:10 +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 v2 4/4] thermal/drivers/mediatek/lvts_thermal: add mt7988 support Date: Wed, 20 Sep 2023 19:50:01 +0200 Message-Id: <20230920175001.47563-5-linux@fw-web.de> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230920175001.47563-1-linux@fw-web.de> References: <20230920175001.47563-1-linux@fw-web.de> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mail-ID: 28533bc3-42fd-4ddc-a511-be8c45e8489c Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Frank Wunderlich Add Support for Mediatek Filogic 880/MT7988 LVTS. Signed-off-by: Frank Wunderlich --- v2: - use 105=C2=B0C 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 | 46 +++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/medi= atek/lvts_thermal.c index c2669f405a94..8fd1dc5adb16 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 =20 #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) =20 +#define LVTS_HW_SHUTDOWN_MT7988 105000 #define LVTS_HW_SHUTDOWN_MT8195 105000 =20 #define LVTS_MINIMUM_THRESHOLD 20000 @@ -1269,6 +1272,41 @@ static int lvts_remove(struct platform_device *pdev) return 0; } =20 +/* + * LVTS MT7988 + */ + +static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] =3D { + { + .cal_offset =3D { 0x00, 0x04, 0x08, 0x0c }, //918,91C,920,924 + .lvts_sensor =3D { + { .dt_id =3D MT7988_CPU_0 }, // CPU 0,1 + { .dt_id =3D MT7988_CPU_1 }, // CPU 2,3 + { .dt_id =3D MT7988_ETH2P5G_0 }, // internal 2.5G Phy 1 + { .dt_id =3D MT7988_ETH2P5G_1 } // internal 2.5G Phy 2 + }, + .num_lvts_sensor =3D 4, + .offset =3D 0x0, + .hw_tshut_temp =3D LVTS_HW_SHUTDOWN_MT7988, + }, + { + .cal_offset =3D { 0x14, 0x18, 0x1c, 0x20 }, //92C,930,934,938 + .lvts_sensor =3D { + { .dt_id =3D MT7988_TOPS_0}, // TOPS + { .dt_id =3D MT7988_TOPS_1}, // TOPS + { .dt_id =3D MT7988_ETHWARP_0}, // WED 1 + { .dt_id =3D MT7988_ETHWARP_1} // WED 2 + }, + .num_lvts_sensor =3D 4, + .offset =3D 0x100, + .hw_tshut_temp =3D LVTS_HW_SHUTDOWN_MT7988, + } +}; + +/* + * LVTS MT8195 + */ + static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] =3D { { .cal_offset =3D { 0x04, 0x07 }, @@ -1348,6 +1386,13 @@ static const struct lvts_ctrl_data mt8195_lvts_ap_da= ta_ctrl[] =3D { } }; =20 +static const struct lvts_data mt7988_lvts_ap_data =3D { + .lvts_ctrl =3D mt7988_lvts_ap_data_ctrl, + .num_lvts_ctrl =3D ARRAY_SIZE(mt7988_lvts_ap_data_ctrl), + .temp_factor =3D LVTS_COEFF_A_MT7988, + .temp_offset =3D LVTS_COEFF_B_MT7988, +}; + static const struct lvts_data mt8195_lvts_mcu_data =3D { .lvts_ctrl =3D mt8195_lvts_mcu_data_ctrl, .num_lvts_ctrl =3D ARRAY_SIZE(mt8195_lvts_mcu_data_ctrl), @@ -1363,6 +1408,7 @@ static const struct lvts_data mt8195_lvts_ap_data =3D= { }; =20 static const struct of_device_id lvts_of_match[] =3D { + { .compatible =3D "mediatek,mt7988-lvts-ap", .data =3D &mt7988_lvts_ap_da= ta }, { .compatible =3D "mediatek,mt8195-lvts-mcu", .data =3D &mt8195_lvts_mcu_= data }, { .compatible =3D "mediatek,mt8195-lvts-ap", .data =3D &mt8195_lvts_ap_da= ta }, {}, --=20 2.34.1