^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * adcxx.c
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * The adcxx4s is an AD converter family from National Semiconductor (NS).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (c) 2008 Marc Pignat <marc.pignat@hevs.ch>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * The adcxx4s communicates with a host processor via an SPI/Microwire Bus
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) * interface. This driver supports the whole family of devices with name
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) * ADC<bb><c>S<sss>, where
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) * * bb is the resolution in number of bits (8, 10, 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) * * c is the number of channels (1, 2, 4, 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * * sss is the maximum conversion speed (021 for 200 kSPS, 051 for 500 kSPS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * and 101 for 1 MSPS)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) * Complete datasheets are available at National's website here:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) * http://www.national.com/ds/DC/ADC<bb><c>S<sss>.pdf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * Handling of 8, 10 and 12 bits converters are the same, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) * unavailable bits are 0 :)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #include <linux/err.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) #include <linux/sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) #include <linux/hwmon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) #include <linux/hwmon-sysfs.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #include <linux/mutex.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #include <linux/mod_devicetable.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) #include <linux/spi/spi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define DRVNAME "adcxx"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) struct adcxx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) struct device *hwmon_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) struct mutex lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) u32 channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) u32 reference; /* in millivolts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) /* sysfs hook function */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) static ssize_t adcxx_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) struct spi_device *spi = to_spi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) struct adcxx *adc = spi_get_drvdata(spi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) u8 tx_buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) u8 rx_buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) u32 value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) if (mutex_lock_interruptible(&adc->lock))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) return -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) if (adc->channels == 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) status = spi_read(spi, rx_buf, sizeof(rx_buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) tx_buf[0] = attr->index << 3; /* other bits are don't care */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) status = spi_write_then_read(spi, tx_buf, sizeof(tx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) rx_buf, sizeof(rx_buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) dev_warn(dev, "SPI synch. transfer failed with status %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) value = (rx_buf[0] << 8) + rx_buf[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) dev_dbg(dev, "raw value = 0x%x\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) value = value * adc->reference >> 12;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) status = sprintf(buf, "%d\n", value);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) static ssize_t adcxx_min_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) /* The minimum reference is 0 for this chip family */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) return sprintf(buf, "0\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) static ssize_t adcxx_max_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) struct spi_device *spi = to_spi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) struct adcxx *adc = spi_get_drvdata(spi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) u32 reference;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) if (mutex_lock_interruptible(&adc->lock))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) reference = adc->reference;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) return sprintf(buf, "%d\n", reference);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) static ssize_t adcxx_max_store(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) struct device_attribute *devattr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) struct spi_device *spi = to_spi_device(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) struct adcxx *adc = spi_get_drvdata(spi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) unsigned long value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) if (kstrtoul(buf, 10, &value))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) if (mutex_lock_interruptible(&adc->lock))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) return -ERESTARTSYS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) adc->reference = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) static ssize_t adcxx_name_show(struct device *dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) struct device_attribute *devattr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) return sprintf(buf, "%s\n", to_spi_device(dev)->modalias);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static struct sensor_device_attribute ad_input[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) SENSOR_ATTR_RO(name, adcxx_name, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) SENSOR_ATTR_RO(in_min, adcxx_min, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) SENSOR_ATTR_RW(in_max, adcxx_max, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) SENSOR_ATTR_RO(in0_input, adcxx, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) SENSOR_ATTR_RO(in1_input, adcxx, 1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) SENSOR_ATTR_RO(in2_input, adcxx, 2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) SENSOR_ATTR_RO(in3_input, adcxx, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) SENSOR_ATTR_RO(in4_input, adcxx, 4),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) SENSOR_ATTR_RO(in5_input, adcxx, 5),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) SENSOR_ATTR_RO(in6_input, adcxx, 6),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) SENSOR_ATTR_RO(in7_input, adcxx, 7),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) /*----------------------------------------------------------------------*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) static int adcxx_probe(struct spi_device *spi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) int channels = spi_get_device_id(spi)->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) struct adcxx *adc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) int status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) adc = devm_kzalloc(&spi->dev, sizeof(*adc), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) if (!adc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) /* set a default value for the reference */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) adc->reference = 3300;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) adc->channels = channels;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) mutex_init(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) mutex_lock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) spi_set_drvdata(spi, adc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) for (i = 0; i < 3 + adc->channels; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) status = device_create_file(&spi->dev, &ad_input[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) if (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) dev_err(&spi->dev, "device_create_file failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) adc->hwmon_dev = hwmon_device_register(&spi->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (IS_ERR(adc->hwmon_dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) dev_err(&spi->dev, "hwmon_device_register failed.\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) status = PTR_ERR(adc->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) goto out_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) out_err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) for (i--; i >= 0; i--)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) device_remove_file(&spi->dev, &ad_input[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) return status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) static int adcxx_remove(struct spi_device *spi)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) struct adcxx *adc = spi_get_drvdata(spi);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) mutex_lock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) hwmon_device_unregister(adc->hwmon_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) for (i = 0; i < 3 + adc->channels; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) device_remove_file(&spi->dev, &ad_input[i].dev_attr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) mutex_unlock(&adc->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) static const struct spi_device_id adcxx_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) { "adcxx1s", 1 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) { "adcxx2s", 2 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) { "adcxx4s", 4 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) { "adcxx8s", 8 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) { },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) MODULE_DEVICE_TABLE(spi, adcxx_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) static struct spi_driver adcxx_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .name = "adcxx",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) .id_table = adcxx_ids,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) .probe = adcxx_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .remove = adcxx_remove,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) module_spi_driver(adcxx_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) MODULE_AUTHOR("Marc Pignat");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) MODULE_DESCRIPTION("National Semiconductor adcxx8sxxx Linux driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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