From nobody Wed Dec 17 14:24:04 2025 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 D38F7EE4993 for ; Mon, 21 Aug 2023 14:04:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235653AbjHUOEA (ORCPT ); Mon, 21 Aug 2023 10:04:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40428 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235615AbjHUOD4 (ORCPT ); Mon, 21 Aug 2023 10:03:56 -0400 Received: from relay06.th.seeweb.it (relay06.th.seeweb.it [5.144.164.167]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 123DDE3 for ; Mon, 21 Aug 2023 07:03:52 -0700 (PDT) Received: from [192.168.2.137] (bband-dyn221.178-41-211.t-com.sk [178.41.211.221]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by m-r2.th.seeweb.it (Postfix) with ESMTPSA id 8BD393F312; Mon, 21 Aug 2023 16:03:50 +0200 (CEST) From: Martin Botka Date: Mon, 21 Aug 2023 16:03:47 +0200 Subject: [PATCH v2 2/3] thermal: sun8i: Add support for H616 THS controller MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20230821-ths-h616-v2-2-cda60d556798@somainline.org> References: <20230821-ths-h616-v2-0-cda60d556798@somainline.org> In-Reply-To: <20230821-ths-h616-v2-0-cda60d556798@somainline.org> To: Vasily Khoruzhick , Yangtao Li , "Rafael J. Wysocki" , Daniel Lezcano , Amit Kucheria , Zhang Rui , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org, Andre Przywara , Alan Ma , Luke Harrison , Marijn Suijten , AngeloGioacchino Del Regno , Konrad Dybcio , Martin Botka , Martin Botka X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1692626628; l=3663; i=martin.botka@somainline.org; s=20230811; h=from:subject:message-id; bh=3eq77nlTbm5Cngkl0jvZ6/DlERU3jpKgLGwvz/iFz7Y=; b=U/aPMfBD9D8cf/kdX6HO3vrpFdoTwFj+yd1eMvop5L1Iu+RV903eBhucrBxNcWGmaaAjHrmUl bl4QAHKwgZfC6tQQbES+YVE6AKfs9l42r1pE1DNsa+sMgnGc8hbFXZ0 X-Developer-Key: i=martin.botka@somainline.org; a=ed25519; pk=aTCd3jmwU8GrJidWg3DSKLpdVMcpFzXzCSLXLR6NtWU= Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for the thermal sensor found in H616 SoC which slightly resembles the H6 thermal sensor controller with few changes like 4 sensors. Signed-off-by: Martin Botka Reviewed-by: Andre Przywara --- drivers/thermal/sun8i_thermal.c | 74 +++++++++++++++++++++++++++++++++++++= ++++ 1 file changed, 74 insertions(+) diff --git a/drivers/thermal/sun8i_thermal.c b/drivers/thermal/sun8i_therma= l.c index 195f3c5d0b38..cf96ab6a445b 100644 --- a/drivers/thermal/sun8i_thermal.c +++ b/drivers/thermal/sun8i_thermal.c @@ -278,6 +278,66 @@ static int sun50i_h6_ths_calibrate(struct ths_device *= tmdev, return 0; } =20 +static int sun50i_h616_ths_calibrate(struct ths_device *tmdev, + u16 *caldata, int callen) +{ + struct device *dev =3D tmdev->dev; + int i, ft_temp; + + if (!caldata[0]) + return -EINVAL; + + /* + * h616 efuse THS calibration data layout: + * + * 0 11 16 27 32 43 48 57 + * +----------+-----------+-----------+-----------+ + * | temp | |sensor0| |sensor1| |sensor2| | + * +----------+-----------+-----------+-----------+ + * ^ ^ ^ + * | | | + * | | sensor3[11:8] + * | sensor3[7:4] + * sensor3[3:0] + * + * The calibration data on the H616 is the ambient temperature and + * sensor values that are filled during the factory test stage. + * + * The unit of stored FT temperature is 0.1 degree celsius. + */ + ft_temp =3D caldata[0] & FT_TEMP_MASK; + + for (i =3D 0; i < tmdev->chip->sensor_num; i++) { + int delta, cdata, offset, reg; + + if (i =3D=3D 3) + reg =3D (caldata[1] >> 12) + | ((caldata[2] >> 12) << 4) + | ((caldata[3] >> 12) << 8); + else + reg =3D (int)caldata[i + 1] & TEMP_CALIB_MASK; + + int sensor_temp =3D tmdev->chip->calc_temp(tmdev, i, reg); + + delta =3D (sensor_temp - ft_temp * 100) * 10; + delta /=3D tmdev->chip->scale; + cdata =3D CALIBRATE_DEFAULT - delta; + if (cdata & ~TEMP_CALIB_MASK) { + dev_warn(dev, "sensor%d is not calibrated.\n", i); + + continue; + } + + offset =3D (i % 2) * 16; + regmap_update_bits(tmdev->regmap, + SUN50I_H6_THS_TEMP_CALIB + (i / 2 * 4), + TEMP_CALIB_MASK << offset, + cdata << offset); + } + + return 0; +} + static int sun8i_ths_calibrate(struct ths_device *tmdev) { struct nvmem_cell *calcell; @@ -608,6 +668,19 @@ static const struct ths_thermal_chip sun50i_h6_ths =3D= { .calc_temp =3D sun8i_ths_calc_temp, }; =20 +static const struct ths_thermal_chip sun50i_h616_ths =3D { + .sensor_num =3D 4, + .has_bus_clk_reset =3D true, + .ft_deviation =3D 8000, + .offset =3D 263655, + .scale =3D 810, + .temp_data_base =3D SUN50I_H6_THS_TEMP_DATA, + .calibrate =3D sun50i_h616_ths_calibrate, + .init =3D sun50i_h6_thermal_init, + .irq_ack =3D sun50i_h6_irq_ack, + .calc_temp =3D sun8i_ths_calc_temp, +}; + static const struct of_device_id of_ths_match[] =3D { { .compatible =3D "allwinner,sun8i-a83t-ths", .data =3D &sun8i_a83t_ths }, { .compatible =3D "allwinner,sun8i-h3-ths", .data =3D &sun8i_h3_ths }, @@ -616,6 +689,7 @@ static const struct of_device_id of_ths_match[] =3D { { .compatible =3D "allwinner,sun50i-a100-ths", .data =3D &sun50i_a100_ths= }, { .compatible =3D "allwinner,sun50i-h5-ths", .data =3D &sun50i_h5_ths }, { .compatible =3D "allwinner,sun50i-h6-ths", .data =3D &sun50i_h6_ths }, + { .compatible =3D "allwinner,sun50i-h616-ths", .data =3D &sun50i_h616_ths= }, { /* sentinel */ }, }; MODULE_DEVICE_TABLE(of, of_ths_match); --=20 2.41.0