From nobody Tue Sep 16 13:47:28 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 E1F78C3DA7A for ; Tue, 3 Jan 2023 01:32:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236562AbjACBcM convert rfc822-to-8bit (ORCPT ); Mon, 2 Jan 2023 20:32:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47412 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230182AbjACBb5 (ORCPT ); Mon, 2 Jan 2023 20:31:57 -0500 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32DB1199; Mon, 2 Jan 2023 17:31:56 -0800 (PST) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id 1239324E0FC; Tue, 3 Jan 2023 09:31:50 +0800 (CST) Received: from EXMBX172.cuchost.com (172.16.6.92) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:50 +0800 Received: from ubuntu.localdomain (113.72.146.202) by EXMBX172.cuchost.com (172.16.6.92) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:49 +0800 From: Hal Feng To: , , , CC: Jean Delvare , Guenter Roeck , Jonathan Corbet , Conor Dooley , "Paul Walmsley" , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Hal Feng , Subject: [PATCH v1 1/4] dt-bindings: hwmon: Add starfive,jh71x0-temp Date: Tue, 3 Jan 2023 09:31:42 +0800 Message-ID: <20230103013145.9570-2-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230103013145.9570-1-hal.feng@starfivetech.com> References: <20230103013145.9570-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.146.202] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX172.cuchost.com (172.16.6.92) X-YovoleRuleAgent: yovoleflag Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add bindings for the temperature sensor on the StarFive JH7100 and JH7110 SoCs. Signed-off-by: Emil Renner Berthing Signed-off-by: Hal Feng --- .../bindings/hwmon/starfive,jh71x0-temp.yaml | 75 +++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/starfive,jh71x0= -temp.yaml diff --git a/Documentation/devicetree/bindings/hwmon/starfive,jh71x0-temp.y= aml b/Documentation/devicetree/bindings/hwmon/starfive,jh71x0-temp.yaml new file mode 100644 index 000000000000..2600881e2cdc --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/starfive,jh71x0-temp.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/starfive,jh71x0-temp.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: StarFive JH71x0 Temperature Sensor + +maintainers: + - Emil Renner Berthing + +description: | + StarFive Technology Co. JH71x0 embedded temperature sensor + +properties: + compatible: + enum: + - starfive,jh7100-temp + - starfive,jh7110-temp + + reg: + maxItems: 1 + + clocks: + minItems: 2 + maxItems: 2 + + clock-names: + items: + - const: "sense" + - const: "bus" + + '#thermal-sensor-cells': + const: 0 + + interrupts: + maxItems: 1 + + resets: + minItems: 2 + maxItems: 2 + + reset-names: + items: + - const: "sense" + - const: "bus" + +required: + - compatible + - reg + - clocks + - clock-names + - interrupts + - resets + - reset-names + +additionalProperties: false + +examples: + - | + #include + #include + + tmon@124a0000 { + compatible =3D "starfive,jh7100-temp"; + reg =3D <0x124a0000 0x10000>; + clocks =3D <&clkgen JH7100_CLK_TEMP_SENSE>, + <&clkgen JH7100_CLK_TEMP_APB>; + clock-names =3D "sense", "bus"; + #thermal-sensor-cells =3D <0>; + interrupts =3D <122>; + resets =3D <&rstgen JH7100_RSTN_TEMP_SENSE>, + <&rstgen JH7100_RSTN_TEMP_APB>; + reset-names =3D "sense", "bus"; + }; --=20 2.38.1 From nobody Tue Sep 16 13:47:28 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 410CCC63707 for ; Tue, 3 Jan 2023 01:32:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236435AbjACBb6 convert rfc822-to-8bit (ORCPT ); Mon, 2 Jan 2023 20:31:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47400 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232770AbjACBbz (ORCPT ); Mon, 2 Jan 2023 20:31:55 -0500 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7D2EBCF4; Mon, 2 Jan 2023 17:31:52 -0800 (PST) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id 116AE24E004; Tue, 3 Jan 2023 09:31:51 +0800 (CST) Received: from EXMBX172.cuchost.com (172.16.6.92) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:51 +0800 Received: from ubuntu.localdomain (113.72.146.202) by EXMBX172.cuchost.com (172.16.6.92) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:50 +0800 From: Hal Feng To: , , , CC: Jean Delvare , Guenter Roeck , Jonathan Corbet , Conor Dooley , "Paul Walmsley" , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Hal Feng , Subject: [PATCH v1 2/4] hwmon: (sfctemp) Add StarFive JH71x0 temperature sensor Date: Tue, 3 Jan 2023 09:31:43 +0800 Message-ID: <20230103013145.9570-3-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230103013145.9570-1-hal.feng@starfivetech.com> References: <20230103013145.9570-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.146.202] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX172.cuchost.com (172.16.6.92) X-YovoleRuleAgent: yovoleflag Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Register definitions and conversion constants based on sfctemp driver by Samin in the StarFive 5.10 kernel. Signed-off-by: Emil Renner Berthing Co-developed-by: Samin Guo Signed-off-by: Samin Guo Signed-off-by: Hal Feng --- Documentation/hwmon/index.rst | 1 + Documentation/hwmon/sfctemp.rst | 33 +++ MAINTAINERS | 8 + drivers/hwmon/Kconfig | 10 + drivers/hwmon/Makefile | 1 + drivers/hwmon/sfctemp.c | 350 ++++++++++++++++++++++++++++++++ 6 files changed, 403 insertions(+) create mode 100644 Documentation/hwmon/sfctemp.rst create mode 100644 drivers/hwmon/sfctemp.c diff --git a/Documentation/hwmon/index.rst b/Documentation/hwmon/index.rst index c1d11cf13eef..f7ede608b6e3 100644 --- a/Documentation/hwmon/index.rst +++ b/Documentation/hwmon/index.rst @@ -179,6 +179,7 @@ Hardware Monitoring Kernel Drivers sch5627 sch5636 scpi-hwmon + sfctemp sht15 sht21 sht3x diff --git a/Documentation/hwmon/sfctemp.rst b/Documentation/hwmon/sfctemp.= rst new file mode 100644 index 000000000000..9fbd5bb1f356 --- /dev/null +++ b/Documentation/hwmon/sfctemp.rst @@ -0,0 +1,33 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Kernel driver sfctemp +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D + +Supported chips: + - StarFive JH7100 + - StarFive JH7110 + +Authors: + - Emil Renner Berthing + +Description +----------- + +This driver adds support for reading the built-in temperature sensor on the +JH7100 and JH7110 RISC-V SoCs by StarFive Technology Co. Ltd. + +``sysfs`` interface +------------------- + +The temperature sensor can be enabled, disabled and queried via the standa= rd +hwmon interface in sysfs under ``/sys/class/hwmon/hwmonX`` for some value = of +``X``: + +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D =3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +Name Perm Description +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D =3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D +temp1_enable RW Enable or disable temperature sensor. + Automatically enabled by the driver, + but may be disabled to save power. +temp1_input RO Temperature reading in milli-degrees Celsius. +=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D =3D=3D=3D=3D =3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D diff --git a/MAINTAINERS b/MAINTAINERS index 85e8f83161d7..ab3cd5827b26 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18661,6 +18661,14 @@ L: netdev@vger.kernel.org S: Supported F: drivers/net/ethernet/sfc/ =20 +SFCTEMP HWMON DRIVER +M: Emil Renner Berthing +L: linux-hwmon@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/hwmon/starfive,jh71x0-temp.yaml +F: Documentation/hwmon/sfctemp.rst +F: drivers/hwmon/sfctemp.c + SFF/SFP/SFP+ MODULE SUPPORT M: Russell King L: netdev@vger.kernel.org diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index 7ac3daaf59ce..c6bbfcca3a14 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -1910,6 +1910,16 @@ config SENSORS_STTS751 This driver can also be built as a module. If so, the module will be called stts751. =20 +config SENSORS_SFCTEMP + tristate "Starfive JH71x0 temperature sensor" + depends on SOC_STARFIVE || COMPILE_TEST + help + If you say yes here you get support for temperature sensor + on the Starfive JH71x0 SoCs. + + This driver can also be built as a module. If so, the module + will be called sfctemp. + config SENSORS_SMM665 tristate "Summit Microelectronics SMM665" depends on I2C diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 11d076cad8a2..5a4a02c5535c 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -179,6 +179,7 @@ obj-$(CONFIG_SENSORS_SBRMI) +=3D sbrmi.o obj-$(CONFIG_SENSORS_SCH56XX_COMMON)+=3D sch56xx-common.o obj-$(CONFIG_SENSORS_SCH5627) +=3D sch5627.o obj-$(CONFIG_SENSORS_SCH5636) +=3D sch5636.o +obj-$(CONFIG_SENSORS_SFCTEMP) +=3D sfctemp.o obj-$(CONFIG_SENSORS_SL28CPLD) +=3D sl28cpld-hwmon.o obj-$(CONFIG_SENSORS_SHT15) +=3D sht15.o obj-$(CONFIG_SENSORS_SHT21) +=3D sht21.o diff --git a/drivers/hwmon/sfctemp.c b/drivers/hwmon/sfctemp.c new file mode 100644 index 000000000000..e56716ad9587 --- /dev/null +++ b/drivers/hwmon/sfctemp.c @@ -0,0 +1,350 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2021 Emil Renner Berthing + * Copyright (C) 2021 Samin Guo + */ +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +/* + * TempSensor reset. The RSTN can be de-asserted once the analog core has + * powered up. Trst(min 100ns) + * 0:reset 1:de-assert + */ +#define SFCTEMP_RSTN BIT(0) + +/* + * TempSensor analog core power down. The analog core will be powered up + * Tpu(min 50us) after PD is de-asserted. RSTN should be held low until the + * analog core is powered up. + * 0:power up 1:power down + */ +#define SFCTEMP_PD BIT(1) + +/* + * TempSensor start conversion enable. + * 0:disable 1:enable + */ +#define SFCTEMP_RUN BIT(2) + +/* + * TempSensor conversion value output. + * Temp(C)=3DDOUT*Y/4094 - K + */ +#define SFCTEMP_DOUT_POS 16 +#define SFCTEMP_DOUT_MSK GENMASK(27, 16) + +/* DOUT to Celcius conversion constants */ +#define SFCTEMP_Y1000 237500L +#define SFCTEMP_Z 4094L +#define SFCTEMP_K1000 81100L + +struct sfctemp { + /* serialize access to hardware register and enabled below */ + struct mutex lock; + struct completion conversion_done; + void __iomem *regs; + struct clk *clk_sense; + struct clk *clk_bus; + struct reset_control *rst_sense; + struct reset_control *rst_bus; + bool enabled; +}; + +static irqreturn_t sfctemp_isr(int irq, void *data) +{ + struct sfctemp *sfctemp =3D data; + + complete(&sfctemp->conversion_done); + return IRQ_HANDLED; +} + +static void sfctemp_power_up(struct sfctemp *sfctemp) +{ + /* make sure we're powered down first */ + writel(SFCTEMP_PD, sfctemp->regs); + udelay(1); + + writel(0, sfctemp->regs); + /* wait t_pu(50us) + t_rst(100ns) */ + usleep_range(60, 200); + + /* de-assert reset */ + writel(SFCTEMP_RSTN, sfctemp->regs); + udelay(1); /* wait t_su(500ps) */ +} + +static void sfctemp_power_down(struct sfctemp *sfctemp) +{ + writel(SFCTEMP_PD, sfctemp->regs); +} + +static void sfctemp_run_single(struct sfctemp *sfctemp) +{ + writel(SFCTEMP_RSTN | SFCTEMP_RUN, sfctemp->regs); + udelay(1); + writel(SFCTEMP_RSTN, sfctemp->regs); +} + +static int sfctemp_enable(struct sfctemp *sfctemp) +{ + int ret =3D 0; + + mutex_lock(&sfctemp->lock); + if (sfctemp->enabled) + goto done; + + ret =3D clk_prepare_enable(sfctemp->clk_bus); + if (ret) + goto err; + ret =3D reset_control_deassert(sfctemp->rst_bus); + if (ret) + goto err_disable_bus; + + ret =3D clk_prepare_enable(sfctemp->clk_sense); + if (ret) + goto err_assert_bus; + ret =3D reset_control_deassert(sfctemp->rst_sense); + if (ret) + goto err_disable_sense; + + sfctemp_power_up(sfctemp); + sfctemp->enabled =3D true; +done: + mutex_unlock(&sfctemp->lock); + return ret; + +err_disable_sense: + clk_disable_unprepare(sfctemp->clk_sense); +err_assert_bus: + reset_control_assert(sfctemp->rst_bus); +err_disable_bus: + clk_disable_unprepare(sfctemp->clk_bus); +err: + mutex_unlock(&sfctemp->lock); + return ret; +} + +static int sfctemp_disable(struct sfctemp *sfctemp) +{ + mutex_lock(&sfctemp->lock); + if (!sfctemp->enabled) + goto done; + + sfctemp_power_down(sfctemp); + reset_control_assert(sfctemp->rst_sense); + clk_disable_unprepare(sfctemp->clk_sense); + reset_control_assert(sfctemp->rst_bus); + clk_disable_unprepare(sfctemp->clk_bus); + sfctemp->enabled =3D false; +done: + mutex_unlock(&sfctemp->lock); + return 0; +} + +static void sfctemp_disable_action(void *data) +{ + sfctemp_disable(data); +} + +static int sfctemp_convert(struct sfctemp *sfctemp, long *val) +{ + int ret; + + mutex_lock(&sfctemp->lock); + if (!sfctemp->enabled) { + ret =3D -ENODATA; + goto out; + } + + sfctemp_run_single(sfctemp); + + ret =3D wait_for_completion_interruptible_timeout(&sfctemp->conversion_do= ne, + msecs_to_jiffies(10)); + if (ret <=3D 0) { + if (ret =3D=3D 0) + ret =3D -ETIMEDOUT; + goto out; + } + + /* calculate temperature in milli Celcius */ + *val =3D (long)((readl(sfctemp->regs) & SFCTEMP_DOUT_MSK) >> SFCTEMP_DOUT= _POS) + * SFCTEMP_Y1000 / SFCTEMP_Z - SFCTEMP_K1000; + + ret =3D 0; +out: + mutex_unlock(&sfctemp->lock); + return ret; +} + +static umode_t sfctemp_is_visible(const void *data, enum hwmon_sensor_type= s type, + u32 attr, int channel) +{ + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_enable: + return 0644; + case hwmon_temp_input: + return 0444; + } + return 0; + default: + return 0; + } +} + +static int sfctemp_read(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long *val) +{ + struct sfctemp *sfctemp =3D dev_get_drvdata(dev); + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_enable: + *val =3D sfctemp->enabled; + return 0; + case hwmon_temp_input: + return sfctemp_convert(sfctemp, val); + } + return -EINVAL; + default: + return -EINVAL; + } +} + +static int sfctemp_write(struct device *dev, enum hwmon_sensor_types type, + u32 attr, int channel, long val) +{ + struct sfctemp *sfctemp =3D dev_get_drvdata(dev); + + switch (type) { + case hwmon_temp: + switch (attr) { + case hwmon_temp_enable: + if (val =3D=3D 0) + return sfctemp_disable(sfctemp); + if (val =3D=3D 1) + return sfctemp_enable(sfctemp); + break; + } + return -EINVAL; + default: + return -EINVAL; + } +} + +static const struct hwmon_channel_info *sfctemp_info[] =3D { + HWMON_CHANNEL_INFO(chip, HWMON_C_REGISTER_TZ), + HWMON_CHANNEL_INFO(temp, HWMON_T_ENABLE | HWMON_T_INPUT), + NULL +}; + +static const struct hwmon_ops sfctemp_hwmon_ops =3D { + .is_visible =3D sfctemp_is_visible, + .read =3D sfctemp_read, + .write =3D sfctemp_write, +}; + +static const struct hwmon_chip_info sfctemp_chip_info =3D { + .ops =3D &sfctemp_hwmon_ops, + .info =3D sfctemp_info, +}; + +static int sfctemp_probe(struct platform_device *pdev) +{ + struct device *dev =3D &pdev->dev; + struct device *hwmon_dev; + struct sfctemp *sfctemp; + int ret; + + sfctemp =3D devm_kzalloc(dev, sizeof(*sfctemp), GFP_KERNEL); + if (!sfctemp) + return -ENOMEM; + + dev_set_drvdata(dev, sfctemp); + mutex_init(&sfctemp->lock); + init_completion(&sfctemp->conversion_done); + + sfctemp->regs =3D devm_platform_ioremap_resource(pdev, 0); + if (IS_ERR(sfctemp->regs)) + return PTR_ERR(sfctemp->regs); + + sfctemp->clk_sense =3D devm_clk_get(dev, "sense"); + if (IS_ERR(sfctemp->clk_sense)) + return dev_err_probe(dev, PTR_ERR(sfctemp->clk_sense), + "error getting sense clock\n"); + + sfctemp->clk_bus =3D devm_clk_get(dev, "bus"); + if (IS_ERR(sfctemp->clk_bus)) + return dev_err_probe(dev, PTR_ERR(sfctemp->clk_bus), + "error getting bus clock\n"); + + sfctemp->rst_sense =3D devm_reset_control_get_exclusive(dev, "sense"); + if (IS_ERR(sfctemp->rst_sense)) + return dev_err_probe(dev, PTR_ERR(sfctemp->rst_sense), + "error getting sense reset\n"); + + sfctemp->rst_bus =3D devm_reset_control_get_exclusive(dev, "bus"); + if (IS_ERR(sfctemp->rst_bus)) + return dev_err_probe(dev, PTR_ERR(sfctemp->rst_bus), + "error getting busreset\n"); + + ret =3D reset_control_assert(sfctemp->rst_sense); + if (ret) + return dev_err_probe(dev, ret, "error asserting sense reset\n"); + + ret =3D reset_control_assert(sfctemp->rst_bus); + if (ret) + return dev_err_probe(dev, ret, "error asserting bus reset\n"); + + ret =3D platform_get_irq(pdev, 0); + if (ret < 0) + return ret; + + ret =3D devm_request_irq(dev, ret, sfctemp_isr, 0, pdev->name, sfctemp); + if (ret) + return dev_err_probe(dev, ret, "error requesting irq\n"); + + ret =3D devm_add_action(dev, sfctemp_disable_action, sfctemp); + if (ret) + return ret; + + ret =3D sfctemp_enable(sfctemp); + if (ret) + return dev_err_probe(dev, ret, "error enabling temperature sensor: %d\n"= , ret); + + hwmon_dev =3D devm_hwmon_device_register_with_info(dev, pdev->name, sfcte= mp, + &sfctemp_chip_info, NULL); + return PTR_ERR_OR_ZERO(hwmon_dev); +} + +static const struct of_device_id sfctemp_of_match[] =3D { + { .compatible =3D "starfive,jh7100-temp" }, + { .compatible =3D "starfive,jh7110-temp" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, sfctemp_of_match); + +static struct platform_driver sfctemp_driver =3D { + .probe =3D sfctemp_probe, + .driver =3D { + .name =3D "sfctemp", + .of_match_table =3D sfctemp_of_match, + }, +}; +module_platform_driver(sfctemp_driver); + +MODULE_AUTHOR("Emil Renner Berthing"); +MODULE_DESCRIPTION("StarFive JH71x0 temperature sensor driver"); +MODULE_LICENSE("GPL"); --=20 2.38.1 From nobody Tue Sep 16 13:47:28 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 580C0C3DA7A for ; Tue, 3 Jan 2023 01:32:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236511AbjACBcG convert rfc822-to-8bit (ORCPT ); Mon, 2 Jan 2023 20:32:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47398 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232706AbjACBbz (ORCPT ); Mon, 2 Jan 2023 20:31:55 -0500 Received: from fd01.gateway.ufhost.com (fd01.gateway.ufhost.com [61.152.239.71]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 554DDD44; Mon, 2 Jan 2023 17:31:53 -0800 (PST) Received: from EXMBX165.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX165", Issuer "EXMBX165" (not verified)) by fd01.gateway.ufhost.com (Postfix) with ESMTP id DDBE324E035; Tue, 3 Jan 2023 09:31:51 +0800 (CST) Received: from EXMBX172.cuchost.com (172.16.6.92) by EXMBX165.cuchost.com (172.16.6.75) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:51 +0800 Received: from ubuntu.localdomain (113.72.146.202) by EXMBX172.cuchost.com (172.16.6.92) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:51 +0800 From: Hal Feng To: , , , CC: Jean Delvare , Guenter Roeck , Jonathan Corbet , Conor Dooley , "Paul Walmsley" , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Hal Feng , Subject: [PATCH v1 3/4] riscv: dts: starfive: jh7110: Add temperature sensor node Date: Tue, 3 Jan 2023 09:31:44 +0800 Message-ID: <20230103013145.9570-4-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230103013145.9570-1-hal.feng@starfivetech.com> References: <20230103013145.9570-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.146.202] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX172.cuchost.com (172.16.6.92) X-YovoleRuleAgent: yovoleflag Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add temperature sensor support for StarFive JH7110 SoC. Signed-off-by: Emil Renner Berthing Signed-off-by: Hal Feng --- arch/riscv/boot/dts/starfive/jh7110.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts= /starfive/jh7110.dtsi index 64d260ea1f29..793ae26bf72d 100644 --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi @@ -353,6 +353,19 @@ uart5: serial@12020000 { status =3D "disabled"; }; =20 + sfctemp: tmon@120e0000 { + compatible =3D "starfive,jh7110-temp"; + reg =3D <0x0 0x120e0000 0x0 0x10000>; + clocks =3D <&syscrg JH7110_SYSCLK_TEMP_CORE>, + <&syscrg JH7110_SYSCLK_TEMP_APB>; + clock-names =3D "sense", "bus"; + resets =3D <&syscrg JH7110_SYSRST_TEMP_CORE>, + <&syscrg JH7110_SYSRST_TEMP_APB>; + reset-names =3D "sense", "bus"; + interrupts =3D <81>; + #thermal-sensor-cells =3D <0>; + }; + syscrg: clock-controller@13020000 { compatible =3D "starfive,jh7110-syscrg"; reg =3D <0x0 0x13020000 0x0 0x10000>; --=20 2.38.1 From nobody Tue Sep 16 13:47:28 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 451BDC3DA7A for ; Tue, 3 Jan 2023 01:32:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236550AbjACBcI convert rfc822-to-8bit (ORCPT ); Mon, 2 Jan 2023 20:32:08 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233178AbjACBb4 (ORCPT ); Mon, 2 Jan 2023 20:31:56 -0500 Received: from ex01.ufhost.com (ex01.ufhost.com [61.152.239.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 222ABDA7; Mon, 2 Jan 2023 17:31:55 -0800 (PST) Received: from EXMBX166.cuchost.com (unknown [175.102.18.54]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "EXMBX166", Issuer "EXMBX166" (not verified)) by ex01.ufhost.com (Postfix) with ESMTP id A7F8824E137; Tue, 3 Jan 2023 09:31:52 +0800 (CST) Received: from EXMBX172.cuchost.com (172.16.6.92) by EXMBX166.cuchost.com (172.16.6.76) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:52 +0800 Received: from ubuntu.localdomain (113.72.146.202) by EXMBX172.cuchost.com (172.16.6.92) with Microsoft SMTP Server (TLS) id 15.0.1497.42; Tue, 3 Jan 2023 09:31:52 +0800 From: Hal Feng To: , , , CC: Jean Delvare , Guenter Roeck , Jonathan Corbet , Conor Dooley , "Paul Walmsley" , Palmer Dabbelt , Albert Ou , Rob Herring , Krzysztof Kozlowski , Emil Renner Berthing , Hal Feng , Subject: [PATCH v1 4/4] riscv: dts: starfive: visionfive-2: Add thermal-zones Date: Tue, 3 Jan 2023 09:31:45 +0800 Message-ID: <20230103013145.9570-5-hal.feng@starfivetech.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20230103013145.9570-1-hal.feng@starfivetech.com> References: <20230103013145.9570-1-hal.feng@starfivetech.com> MIME-Version: 1.0 X-Originating-IP: [113.72.146.202] X-ClientProxiedBy: EXCAS066.cuchost.com (172.16.6.26) To EXMBX172.cuchost.com (172.16.6.92) X-YovoleRuleAgent: yovoleflag Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add thermal-zones for StarFive VisionFive 2 board. Signed-off-by: Emil Renner Berthing Signed-off-by: Hal Feng --- .../jh7110-starfive-visionfive-2.dtsi | 28 +++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi= b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi index c60280b89c73..c7c7735f021d 100644 --- a/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi +++ b/arch/riscv/boot/dts/starfive/jh7110-starfive-visionfive-2.dtsi @@ -27,6 +27,34 @@ memory@40000000 { reg =3D <0x0 0x40000000 0x1 0x0>; }; =20 + thermal-zones { + cpu-thermal { + polling-delay-passive =3D <250>; + polling-delay =3D <15000>; + + thermal-sensors =3D <&sfctemp>; + + cooling-maps { + }; + + trips { + cpu_alert0: cpu_alert0 { + /* milliCelsius */ + temperature =3D <75000>; + hysteresis =3D <2000>; + type =3D "passive"; + }; + + cpu_crit: cpu_crit { + /* milliCelsius */ + temperature =3D <90000>; + hysteresis =3D <2000>; + type =3D "critical"; + }; + }; + }; + }; + gpio-restart { compatible =3D "gpio-restart"; gpios =3D <&gpio 35 GPIO_ACTIVE_HIGH>; --=20 2.38.1