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charset="utf-8" From: Florin Leotescu Introduce yaml schema for Microchip emc2305 pwm fan controller. Signed-off-by: Florin Leotescu --- .../bindings/hwmon/microchip,emc2305.yaml | 43 +++++++++++++++++++ 1 file changed, 43 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/microchip,emc23= 05.yaml diff --git a/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml= b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml new file mode 100644 index 000000000000..cac0075a65bb --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/microchip,emc2305.yaml @@ -0,0 +1,43 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/hwmon/microchip,emc2305.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Microchip EMC2305 SMBus compliant PWM fan controller + +maintainers: + - Michael Shych + +description: | + Microchip EMC2301/2/3/5 pwm controller which supports up + to five programmable fan control circuits + +properties: + compatible: + enum: + - microchip,emc2301 + - microchip,emc2302 + - microchip,emc2303 + - microchip,emc2305 + + reg: + maxItems: 1 + +required: + - compatible + - reg + +additionalProperties: false + +examples: + - | + i2c { + #address-cells =3D <1>; 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charset="utf-8" From: Florin Leotescu Introduce OF support for Microchip emc2301/2/3/5 pwm fan controller. Signed-off-by: Florin Leotescu Reviewed-by: Frank Li --- drivers/hwmon/emc2305.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index 4d39fbd83769..a236f27c75bc 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -607,9 +607,19 @@ static void emc2305_remove(struct i2c_client *client) emc2305_unset_tz(dev); } =20 +static const struct of_device_id of_emc2305_match_table[] =3D { + { .compatible =3D "microchip,emc2301", }, + { .compatible =3D "microchip,emc2302", }, + { .compatible =3D "microchip,emc2303", }, + { .compatible =3D "microchip,emc2305", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_emc2305_match_table); + static struct i2c_driver emc2305_driver =3D { .driver =3D { .name =3D "emc2305", + .of_match_table =3D of_emc2305_match_table, }, .probe =3D emc2305_probe, .remove =3D emc2305_remove, --=20 2.34.1 From nobody Wed Feb 11 16:11:21 2026 Received: from EUR02-VI1-obe.outbound.protection.outlook.com (mail-vi1eur02on2040.outbound.protection.outlook.com [40.107.241.40]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 111122C2CAA; 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charset="utf-8" From: Florin Leotescu This prepares emc2305 driver to use configuration from Device Tree nodes. Using devm_thermal_of_cooling_device_register also simplifies cleanup procedure, so we are able to remove the emc2305_unset_tz and emc2305_remove functions which are no longer used. Signed-off-by: Florin Leotescu Reviewed-by: Frank Li --- drivers/hwmon/emc2305.c | 28 +++------------------------- 1 file changed, 3 insertions(+), 25 deletions(-) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index a236f27c75bc..5f3f06308826 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -112,8 +112,6 @@ static char *emc2305_fan_name[] =3D { "emc2305_fan5", }; =20 -static void emc2305_unset_tz(struct device *dev); - static int emc2305_get_max_channel(const struct emc2305_data *data) { return data->pwm_num; @@ -293,8 +291,9 @@ static int emc2305_set_single_tz(struct device *dev, in= t idx) pwm =3D data->pwm_min[cdev_idx]; =20 data->cdev_data[cdev_idx].cdev =3D - thermal_cooling_device_register(emc2305_fan_name[idx], data, - &emc2305_cooling_ops); + devm_thermal_of_cooling_device_register(dev, dev->of_node, + emc2305_fan_name[idx], data, + &emc2305_cooling_ops); =20 if (IS_ERR(data->cdev_data[cdev_idx].cdev)) { dev_err(dev, "Failed to register cooling device %s\n", emc2305_fan_name[= idx]); @@ -337,21 +336,9 @@ static int emc2305_set_tz(struct device *dev) return 0; =20 thermal_cooling_device_register_fail: - emc2305_unset_tz(dev); return ret; } =20 -static void emc2305_unset_tz(struct device *dev) -{ - struct emc2305_data *data =3D dev_get_drvdata(dev); - int i; - - /* Unregister cooling device. */ - for (i =3D 0; i < EMC2305_PWM_MAX; i++) - if (data->cdev_data[i].cdev) - thermal_cooling_device_unregister(data->cdev_data[i].cdev); -} - static umode_t emc2305_is_visible(const void *data, enum hwmon_sensor_types type, u32 att= r, int channel) { @@ -599,14 +586,6 @@ static int emc2305_probe(struct i2c_client *client) return 0; } =20 -static void emc2305_remove(struct i2c_client *client) -{ - struct device *dev =3D &client->dev; - - if (IS_REACHABLE(CONFIG_THERMAL)) - emc2305_unset_tz(dev); -} - static const struct of_device_id of_emc2305_match_table[] =3D { { .compatible =3D "microchip,emc2301", }, { .compatible =3D "microchip,emc2302", }, @@ -622,7 +601,6 @@ static struct i2c_driver emc2305_driver =3D { .of_match_table =3D of_emc2305_match_table, }, .probe =3D emc2305_probe, - .remove =3D emc2305_remove, .id_table =3D emc2305_ids, }; =20 --=20 2.34.1