1Kernel driver tps53679 2====================== 3 4Supported chips: 5 6 * Texas Instruments TPS53647 7 8 Prefix: 'tps53647' 9 10 Addresses scanned: - 11 12 Datasheet: http://www.ti.com/lit/gpn/tps53647 13 14 * Texas Instruments TPS53667 15 16 Prefix: 'tps53667' 17 18 Addresses scanned: - 19 20 Datasheet: http://www.ti.com/lit/gpn/TPS53667 21 22 * Texas Instruments TPS53679 23 24 Prefix: 'tps53679' 25 26 Addresses scanned: - 27 28 Datasheet: http://www.ti.com/lit/gpn/TPS53679 (short version) 29 30 * Texas Instruments TPS53681 31 32 Prefix: 'tps53681' 33 34 Addresses scanned: - 35 36 Datasheet: http://www.ti.com/lit/gpn/TPS53681 37 38 * Texas Instruments TPS53688 39 40 Prefix: 'tps53688' 41 42 Addresses scanned: - 43 44 Datasheet: Available under NDA 45 46 47Authors: 48 Vadim Pasternak <vadimp@mellanox.com> 49 Guenter Roeck <linux@roeck-us.net> 50 51 52Description 53----------- 54 55Chips in this series are multi-phase step-down converters with one or two 56output channels and up to 8 phases per channel. 57 58 59Usage Notes 60----------- 61 62This driver does not probe for PMBus devices. You will have to instantiate 63devices explicitly. 64 65Example: the following commands will load the driver for an TPS53681 at address 660x60 on I2C bus #1:: 67 68 # modprobe tps53679 69 # echo tps53681 0x60 > /sys/bus/i2c/devices/i2c-1/new_device 70 71 72Sysfs attributes 73---------------- 74 75======================= ======================================================== 76in1_label "vin" 77 78in1_input Measured input voltage. 79 80in1_lcrit Critical minimum input voltage 81 82 TPS53679, TPS53681, TPS53688 only. 83 84in1_lcrit_alarm Input voltage critical low alarm. 85 86 TPS53679, TPS53681, TPS53688 only. 87 88in1_crit Critical maximum input voltage. 89 90in1_crit_alarm Input voltage critical high alarm. 91 92in[N]_label "vout[1-2]" 93 94 - TPS53647, TPS53667: N=2 95 - TPS53679, TPS53588: N=2,3 96 97in[N]_input Measured output voltage. 98 99in[N]_lcrit Critical minimum input voltage. 100 101 TPS53679, TPS53681, TPS53688 only. 102 103in[N]_lcrit_alarm Critical minimum voltage alarm. 104 105 TPS53679, TPS53681, TPS53688 only. 106 107in[N]_alarm Output voltage alarm. 108 109 TPS53647, TPS53667 only. 110 111in[N]_crit Critical maximum output voltage. 112 113 TPS53679, TPS53681, TPS53688 only. 114 115in[N]_crit_alarm Output voltage critical high alarm. 116 117 TPS53679, TPS53681, TPS53688 only. 118 119temp[N]_input Measured temperature. 120 121 - TPS53647, TPS53667: N=1 122 - TPS53679, TPS53681, TPS53588: N=1,2 123 124temp[N]_max Maximum temperature. 125 126temp[N]_crit Critical high temperature. 127 128temp[N]_max_alarm Temperature high alarm. 129 130temp[N]_crit_alarm Temperature critical high alarm. 131 132power1_label "pin". 133 134power1_input Measured input power. 135 136power[N]_label "pout[1-2]". 137 138 - TPS53647, TPS53667: N=2 139 - TPS53679, TPS53681, TPS53588: N=2,3 140 141power[N]_input Measured output power. 142 143curr1_label "iin". 144 145curr1_input Measured input current. 146 147curr1_max Maximum input current. 148 149curr1_max_alarm Input current high alarm. 150 151curr1_crit Critical input current. 152 153curr1_crit_alarm Input current critical alarm. 154 155curr[N]_label "iout[1-2]" or "iout1.[0-5]". 156 157 The first digit is the output channel, the second 158 digit is the phase within the channel. Per-phase 159 telemetry supported on TPS53681 only. 160 161 - TPS53647, TPS53667: N=2 162 - TPS53679, TPS53588: N=2,3 163 - TPS53681: N=2-9 164 165curr[N]_input Measured output current. 166 167curr[N]_max Maximum output current. 168 169curr[N]_crit Critical high output current. 170 171curr[N]_max_alarm Output current high alarm. 172 173curr[N]_crit_alarm Output current critical high alarm. 174 175 Limit and alarm attributes are only available for 176 non-phase telemetry (iout1, iout2). 177 178======================= ======================================================== 179