| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 1 | Kernel driver ltc3815 |
| 2 | ===================== |
| 3 | |
| 4 | Supported chips: |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 5 | |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 6 | * Linear Technology LTC3815 |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 7 | |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 8 | Prefix: 'ltc3815' |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 9 | |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 10 | Addresses scanned: - |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 11 | |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 12 | Datasheet: http://www.linear.com/product/ltc3815 |
| 13 | |
| 14 | Author: Guenter Roeck <linux@roeck-us.net> |
| 15 | |
| 16 | |
| 17 | Description |
| 18 | ----------- |
| 19 | |
| 20 | LTC3815 is a Monolithic Synchronous DC/DC Step-Down Converter. |
| 21 | |
| 22 | |
| 23 | Usage Notes |
| 24 | ----------- |
| 25 | |
| 26 | This driver does not probe for PMBus devices. You will have to instantiate |
| 27 | devices explicitly. |
| 28 | |
| 29 | Example: the following commands will load the driver for an LTC3815 |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 30 | at address 0x20 on I2C bus #1:: |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 31 | |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 32 | # modprobe ltc3815 |
| 33 | # echo ltc3815 0x20 > /sys/bus/i2c/devices/i2c-1/new_device |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 34 | |
| 35 | |
| 36 | Sysfs attributes |
| 37 | ---------------- |
| 38 | |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 39 | ======================= ======================================================= |
| Guenter Roeck | 8d28cd1 | 2015-08-22 00:49:37 -0700 | [diff] [blame] | 40 | in1_label "vin" |
| 41 | in1_input Measured input voltage. |
| 42 | in1_alarm Input voltage alarm. |
| 43 | in1_highest Highest input voltage. |
| 44 | in1_reset_history Reset input voltage history. |
| 45 | |
| 46 | in2_label "vout1". |
| 47 | in2_input Measured output voltage. |
| 48 | in2_alarm Output voltage alarm. |
| 49 | in2_highest Highest output voltage. |
| 50 | in2_reset_history Reset output voltage history. |
| 51 | |
| 52 | temp1_input Measured chip temperature. |
| 53 | temp1_alarm Temperature alarm. |
| 54 | temp1_highest Highest measured temperature. |
| 55 | temp1_reset_history Reset temperature history. |
| 56 | |
| 57 | curr1_label "iin". |
| 58 | curr1_input Measured input current. |
| 59 | curr1_highest Highest input current. |
| 60 | curr1_reset_history Reset input current history. |
| 61 | |
| 62 | curr2_label "iout1". |
| 63 | curr2_input Measured output current. |
| 64 | curr2_alarm Output current alarm. |
| 65 | curr2_highest Highest output current. |
| 66 | curr2_reset_history Reset output current history. |
| Mauro Carvalho Chehab | 1f234ff | 2019-04-17 06:46:26 -0300 | [diff] [blame] | 67 | ======================= ======================================================= |