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This change allows cooling device to be configured based on the properties defined in the Device Tree. Signed-off-by: Florin Leotescu --- drivers/hwmon/emc2305.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index 4d39fbd83769..18e765902d32 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -293,8 +293,9 @@ static int emc2305_set_single_tz(struct device *dev, int idx) pwm = data->pwm_min[cdev_idx]; data->cdev_data[cdev_idx].cdev = - 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); if (IS_ERR(data->cdev_data[cdev_idx].cdev)) { dev_err(dev, "Failed to register cooling device %s\n", emc2305_fan_name[idx]); From patchwork Mon Feb 10 07:31:58 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Florin Leotescu (OSS)" X-Patchwork-Id: 13967399 Received: from EUR02-DB5-obe.outbound.protection.outlook.com (mail-db5eur02on2068.outbound.protection.outlook.com [40.107.249.68]) (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 5C23F1AF0D7; 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Signed-off-by: Florin Leotescu --- drivers/hwmon/emc2305.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/drivers/hwmon/emc2305.c b/drivers/hwmon/emc2305.c index 18e765902d32..e8cdc0cbcb35 100644 --- a/drivers/hwmon/emc2305.c +++ b/drivers/hwmon/emc2305.c @@ -23,6 +23,8 @@ #define EMC2305_TACH_REGS_UNUSE_BITS 3 #define EMC2305_TACH_CNT_MULTIPLIER 0x02 #define EMC2305_TACH_RANGE_MIN 480 +#define EMC2305_REG_DRIVE_PWM_OUT_CONFIG 0x2b +#define EMC2305_REG_POLARITY 0x2a #define EMC2305_PWM_DUTY2STATE(duty, max_state, pwm_max) \ DIV_ROUND_CLOSEST((duty) * (max_state), (pwm_max)) @@ -537,6 +539,8 @@ static int emc2305_probe(struct i2c_client *client) int vendor; int ret; int i; + int pwm_polarity; + int pwm_output; if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA | I2C_FUNC_SMBUS_WORD_DATA)) return -ENODEV; @@ -590,6 +594,29 @@ static int emc2305_probe(struct i2c_client *client) return ret; } + if (!of_property_read_u32(dev->of_node, "pwm_output", &pwm_output)) { + dev_dbg(dev, "Configuring pwm output\n"); + if (pwm_output >= 0 && pwm_output <= ((1 << data->pwm_num) - 1)) { + ret = i2c_smbus_write_byte_data(client, EMC2305_REG_DRIVE_PWM_OUT_CONFIG, + pwm_output); + if (ret < 0) + dev_err(dev, "Failed to configure pwm output, using default\n"); + } else { + dev_err(dev, "Wrong PWM output config provided: %u\n", pwm_output); + } + } + + if (!of_property_read_u32(dev->of_node, "pwm_polarity", &pwm_polarity)) { + dev_dbg(dev, "Configuring pwm polarity\n"); + if (pwm_polarity >= 0 && pwm_polarity <= ((1 << data->pwm_num) - 1)) { + ret = i2c_smbus_write_byte_data(client, EMC2305_REG_POLARITY, pwm_polarity); + if (ret < 0) + dev_err(dev, "Failed to configure pwm polarity, using default\n"); + } else { + dev_err(dev, "Wrong PWM polarity config provided: %u\n", pwm_polarity); + } + } + for (i = 0; i < data->pwm_num; i++) { ret = i2c_smbus_write_byte_data(client, EMC2305_REG_FAN_MIN_DRIVE(i), data->pwm_min[i]);