1Kernel driver tps53679 2====================== 3 4Supported chips: 5 6 * Texas Instruments TPS53647 7 8 Prefix: 'tps53647' 9 10 Addresses scanned: - 11 12 Datasheet: https://www.ti.com/lit/gpn/tps53647 13 14 * Texas Instruments TPS53667 15 16 Prefix: 'tps53667' 17 18 Addresses scanned: - 19 20 Datasheet: https://www.ti.com/lit/gpn/TPS53667 21 22 * Texas Instruments TPS53676 23 24 Prefix: 'tps53676' 25 26 Addresses scanned: - 27 28 Datasheet: https://www.ti.com/lit/gpn/TPS53676 29 30 * Texas Instruments TPS53679 31 32 Prefix: 'tps53679' 33 34 Addresses scanned: - 35 36 Datasheet: https://www.ti.com/lit/gpn/TPS53679 (short version) 37 38 * Texas Instruments TPS53681 39 40 Prefix: 'tps53681' 41 42 Addresses scanned: - 43 44 Datasheet: https://www.ti.com/lit/gpn/TPS53681 45 46 * Texas Instruments TPS53685 47 48 Prefix: 'tps53685' 49 50 Addresses scanned: - 51 52 Datasheet: https://www.ti.com/lit/gpn/TPS53685 53 54 * Texas Instruments TPS53688 55 56 Prefix: 'tps53688' 57 58 Addresses scanned: - 59 60 Datasheet: Available under NDA 61 62 63Authors: 64 Vadim Pasternak <vadimp@mellanox.com> 65 Guenter Roeck <linux@roeck-us.net> 66 67 68Description 69----------- 70 71Chips in this series are multi-phase step-down converters with one or two 72output channels and up to 8 phases per channel. 73 74 75Usage Notes 76----------- 77 78This driver does not probe for PMBus devices. You will have to instantiate 79devices explicitly. 80 81Example: the following commands will load the driver for an TPS53681 at address 820x60 on I2C bus #1:: 83 84 # modprobe tps53679 85 # echo tps53681 0x60 > /sys/bus/i2c/devices/i2c-1/new_device 86 87 88Sysfs attributes 89---------------- 90 91======================= ======================================================== 92in1_label "vin" 93 94in1_input Measured input voltage. 95 96in1_lcrit Critical minimum input voltage 97 98 TPS53679, TPS53681, TPS53688 only. 99 100in1_lcrit_alarm Input voltage critical low alarm. 101 102 TPS53679, TPS53681, TPS53688 only. 103 104in1_crit Critical maximum input voltage. 105 106in1_crit_alarm Input voltage critical high alarm. 107 108in[N]_label "vout[1-2]" 109 110 - TPS53647, TPS53667: N=2 111 - TPS53679, TPS53588: N=2,3 112 113in[N]_input Measured output voltage. 114 115in[N]_lcrit Critical minimum input voltage. 116 117 TPS53679, TPS53681, TPS53688 only. 118 119in[N]_lcrit_alarm Critical minimum voltage alarm. 120 121 TPS53679, TPS53681, TPS53688 only. 122 123in[N]_alarm Output voltage alarm. 124 125 TPS53647, TPS53667 only. 126 127in[N]_crit Critical maximum output voltage. 128 129 TPS53679, TPS53681, TPS53688 only. 130 131in[N]_crit_alarm Output voltage critical high alarm. 132 133 TPS53679, TPS53681, TPS53688 only. 134 135temp[N]_input Measured temperature. 136 137 - TPS53647, TPS53667: N=1 138 - TPS53679, TPS53681, TPS53588: N=1,2 139 140temp[N]_max Maximum temperature. 141 142temp[N]_crit Critical high temperature. 143 144temp[N]_max_alarm Temperature high alarm. 145 146temp[N]_crit_alarm Temperature critical high alarm. 147 148power1_label "pin". 149 150power1_input Measured input power. 151 152power[N]_label "pout[1-2]". 153 154 - TPS53647, TPS53667: N=2 155 - TPS53676, TPS53679, TPS53681, TPS53588: N=2,3 156 157power[N]_input Measured output power. 158 159curr1_label "iin". 160 161curr1_input Measured input current. 162 163curr1_max Maximum input current. 164 165curr1_max_alarm Input current high alarm. 166 167curr1_crit Critical input current. 168 169curr1_crit_alarm Input current critical alarm. 170 171curr[N]_label "iout[1-2]" or "iout1.[0-5]". 172 173 The first digit is the output channel, the second 174 digit is the phase within the channel. Per-phase 175 telemetry supported on TPS53676 and TPS53681 only. 176 177 - TPS53647, TPS53667: N=2 178 - TPS53679, TPS53588: N=2,3 179 - TPS53676: N=2-8 180 - TPS53681: N=2-9 181 182curr[N]_input Measured output current. 183 184curr[N]_max Maximum output current. 185 186curr[N]_crit Critical high output current. 187 188curr[N]_max_alarm Output current high alarm. 189 190curr[N]_crit_alarm Output current critical high alarm. 191 192 Limit and alarm attributes are only available for 193 non-phase telemetry (iout1, iout2). 194 195======================= ======================================================== 196