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(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 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Mail-ID: 12176a23-d372-4442-8d8e-fe41e40334c0 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 Tested-by: Daniel Golle --- v3: - drop comments 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 | 38 +++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/drivers/thermal/mediatek/lvts_thermal.c b/drivers/thermal/medi= atek/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 =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 +1272,33 @@ static int lvts_remove(struct platform_device *pdev) return 0; } =20 +static const struct lvts_ctrl_data mt7988_lvts_ap_data_ctrl[] =3D { + { + .cal_offset =3D { 0x00, 0x04, 0x08, 0x0c }, + .lvts_sensor =3D { + { .dt_id =3D MT7988_CPU_0 }, + { .dt_id =3D MT7988_CPU_1 }, + { .dt_id =3D MT7988_ETH2P5G_0 }, + { .dt_id =3D MT7988_ETH2P5G_1 } + }, + .num_lvts_sensor =3D 4, + .offset =3D 0x0, + .hw_tshut_temp =3D LVTS_HW_SHUTDOWN_MT7988, + }, + { + .cal_offset =3D { 0x14, 0x18, 0x1c, 0x20 }, + .lvts_sensor =3D { + { .dt_id =3D MT7988_TOPS_0}, + { .dt_id =3D MT7988_TOPS_1}, + { .dt_id =3D MT7988_ETHWARP_0}, + { .dt_id =3D MT7988_ETHWARP_1} + }, + .num_lvts_sensor =3D 4, + .offset =3D 0x100, + .hw_tshut_temp =3D LVTS_HW_SHUTDOWN_MT7988, + } +}; + static const struct lvts_ctrl_data mt8195_lvts_mcu_data_ctrl[] =3D { { .cal_offset =3D { 0x04, 0x07 }, @@ -1348,6 +1378,13 @@ 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 +1400,7 @@ 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