1 Kernel driver tps53679 1 Kernel driver tps53679
2 ====================== 2 ======================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Texas Instruments TPS53647 6 * Texas Instruments TPS53647
7 7
8 Prefix: 'tps53647' 8 Prefix: 'tps53647'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: https://www.ti.com/lit/gpn/tps5 12 Datasheet: https://www.ti.com/lit/gpn/tps53647
13 13
14 * Texas Instruments TPS53667 14 * Texas Instruments TPS53667
15 15
16 Prefix: 'tps53667' 16 Prefix: 'tps53667'
17 17
18 Addresses scanned: - 18 Addresses scanned: -
19 19
20 Datasheet: https://www.ti.com/lit/gpn/TPS5 20 Datasheet: https://www.ti.com/lit/gpn/TPS53667
21 21
22 * Texas Instruments TPS53676 22 * Texas Instruments TPS53676
23 23
24 Prefix: 'tps53676' 24 Prefix: 'tps53676'
25 25
26 Addresses scanned: - 26 Addresses scanned: -
27 27
28 Datasheet: https://www.ti.com/lit/gpn/TPS5 28 Datasheet: https://www.ti.com/lit/gpn/TPS53676
29 29
30 * Texas Instruments TPS53679 30 * Texas Instruments TPS53679
31 31
32 Prefix: 'tps53679' 32 Prefix: 'tps53679'
33 33
34 Addresses scanned: - 34 Addresses scanned: -
35 35
36 Datasheet: https://www.ti.com/lit/gpn/TPS5 36 Datasheet: https://www.ti.com/lit/gpn/TPS53679 (short version)
37 37
38 * Texas Instruments TPS53681 38 * Texas Instruments TPS53681
39 39
40 Prefix: 'tps53681' 40 Prefix: 'tps53681'
41 41
42 Addresses scanned: - 42 Addresses scanned: -
43 43
44 Datasheet: https://www.ti.com/lit/gpn/TPS5 44 Datasheet: https://www.ti.com/lit/gpn/TPS53681
45 45
46 * Texas Instruments TPS53688 46 * Texas Instruments TPS53688
47 47
48 Prefix: 'tps53688' 48 Prefix: 'tps53688'
49 49
50 Addresses scanned: - 50 Addresses scanned: -
51 51
52 Datasheet: Available under NDA 52 Datasheet: Available under NDA
53 53
54 54
55 Authors: 55 Authors:
56 Vadim Pasternak <vadimp@mellanox.com> 56 Vadim Pasternak <vadimp@mellanox.com>
57 Guenter Roeck <linux@roeck-us.net> 57 Guenter Roeck <linux@roeck-us.net>
58 58
59 59
60 Description 60 Description
61 ----------- 61 -----------
62 62
63 Chips in this series are multi-phase step-down 63 Chips in this series are multi-phase step-down converters with one or two
64 output channels and up to 8 phases per channel 64 output channels and up to 8 phases per channel.
65 65
66 66
67 Usage Notes 67 Usage Notes
68 ----------- 68 -----------
69 69
70 This driver does not probe for PMBus devices. 70 This driver does not probe for PMBus devices. You will have to instantiate
71 devices explicitly. 71 devices explicitly.
72 72
73 Example: the following commands will load the 73 Example: the following commands will load the driver for an TPS53681 at address
74 0x60 on I2C bus #1:: 74 0x60 on I2C bus #1::
75 75
76 # modprobe tps53679 76 # modprobe tps53679
77 # echo tps53681 0x60 > /sys/bus/i2c/de 77 # echo tps53681 0x60 > /sys/bus/i2c/devices/i2c-1/new_device
78 78
79 79
80 Sysfs attributes 80 Sysfs attributes
81 ---------------- 81 ----------------
82 82
83 ======================= ====================== 83 ======================= ========================================================
84 in1_label "vin" 84 in1_label "vin"
85 85
86 in1_input Measured input voltage 86 in1_input Measured input voltage.
87 87
88 in1_lcrit Critical minimum input 88 in1_lcrit Critical minimum input voltage
89 89
90 TPS53679, TPS53681, TP 90 TPS53679, TPS53681, TPS53688 only.
91 91
92 in1_lcrit_alarm Input voltage critical 92 in1_lcrit_alarm Input voltage critical low alarm.
93 93
94 TPS53679, TPS53681, TP 94 TPS53679, TPS53681, TPS53688 only.
95 95
96 in1_crit Critical maximum input 96 in1_crit Critical maximum input voltage.
97 97
98 in1_crit_alarm Input voltage critical 98 in1_crit_alarm Input voltage critical high alarm.
99 99
100 in[N]_label "vout[1-2]" 100 in[N]_label "vout[1-2]"
101 101
102 - TPS53647, TPS53667: 102 - TPS53647, TPS53667: N=2
103 - TPS53679, TPS53588: 103 - TPS53679, TPS53588: N=2,3
104 104
105 in[N]_input Measured output voltag 105 in[N]_input Measured output voltage.
106 106
107 in[N]_lcrit Critical minimum input 107 in[N]_lcrit Critical minimum input voltage.
108 108
109 TPS53679, TPS53681, TP 109 TPS53679, TPS53681, TPS53688 only.
110 110
111 in[N]_lcrit_alarm Critical minimum volta 111 in[N]_lcrit_alarm Critical minimum voltage alarm.
112 112
113 TPS53679, TPS53681, TP 113 TPS53679, TPS53681, TPS53688 only.
114 114
115 in[N]_alarm Output voltage alarm. 115 in[N]_alarm Output voltage alarm.
116 116
117 TPS53647, TPS53667 onl 117 TPS53647, TPS53667 only.
118 118
119 in[N]_crit Critical maximum outpu 119 in[N]_crit Critical maximum output voltage.
120 120
121 TPS53679, TPS53681, TP 121 TPS53679, TPS53681, TPS53688 only.
122 122
123 in[N]_crit_alarm Output voltage critica 123 in[N]_crit_alarm Output voltage critical high alarm.
124 124
125 TPS53679, TPS53681, TP 125 TPS53679, TPS53681, TPS53688 only.
126 126
127 temp[N]_input Measured temperature. 127 temp[N]_input Measured temperature.
128 128
129 - TPS53647, TPS53667: 129 - TPS53647, TPS53667: N=1
130 - TPS53679, TPS53681, 130 - TPS53679, TPS53681, TPS53588: N=1,2
131 131
132 temp[N]_max Maximum temperature. 132 temp[N]_max Maximum temperature.
133 133
134 temp[N]_crit Critical high temperat 134 temp[N]_crit Critical high temperature.
135 135
136 temp[N]_max_alarm Temperature high alarm 136 temp[N]_max_alarm Temperature high alarm.
137 137
138 temp[N]_crit_alarm Temperature critical h 138 temp[N]_crit_alarm Temperature critical high alarm.
139 139
140 power1_label "pin". 140 power1_label "pin".
141 141
142 power1_input Measured input power. 142 power1_input Measured input power.
143 143
144 power[N]_label "pout[1-2]". 144 power[N]_label "pout[1-2]".
145 145
146 - TPS53647, TPS53667: 146 - TPS53647, TPS53667: N=2
147 - TPS53676, TPS53679, 147 - TPS53676, TPS53679, TPS53681, TPS53588: N=2,3
148 148
149 power[N]_input Measured output power. 149 power[N]_input Measured output power.
150 150
151 curr1_label "iin". 151 curr1_label "iin".
152 152
153 curr1_input Measured input current 153 curr1_input Measured input current.
154 154
155 curr1_max Maximum input current. 155 curr1_max Maximum input current.
156 156
157 curr1_max_alarm Input current high ala 157 curr1_max_alarm Input current high alarm.
158 158
159 curr1_crit Critical input current 159 curr1_crit Critical input current.
160 160
161 curr1_crit_alarm Input current critical 161 curr1_crit_alarm Input current critical alarm.
162 162
163 curr[N]_label "iout[1-2]" or "iout1. 163 curr[N]_label "iout[1-2]" or "iout1.[0-5]".
164 164
165 The first digit is the 165 The first digit is the output channel, the second
166 digit is the phase wit 166 digit is the phase within the channel. Per-phase
167 telemetry supported on 167 telemetry supported on TPS53676 and TPS53681 only.
168 168
169 - TPS53647, TPS53667: 169 - TPS53647, TPS53667: N=2
170 - TPS53679, TPS53588: 170 - TPS53679, TPS53588: N=2,3
171 - TPS53676: N=2-8 171 - TPS53676: N=2-8
172 - TPS53681: N=2-9 172 - TPS53681: N=2-9
173 173
174 curr[N]_input Measured output curren 174 curr[N]_input Measured output current.
175 175
176 curr[N]_max Maximum output current 176 curr[N]_max Maximum output current.
177 177
178 curr[N]_crit Critical high output c 178 curr[N]_crit Critical high output current.
179 179
180 curr[N]_max_alarm Output current high al 180 curr[N]_max_alarm Output current high alarm.
181 181
182 curr[N]_crit_alarm Output current critica 182 curr[N]_crit_alarm Output current critical high alarm.
183 183
184 Limit and alarm attrib 184 Limit and alarm attributes are only available for
185 non-phase telemetry (i 185 non-phase telemetry (iout1, iout2).
186 186
187 ======================= ====================== 187 ======================= ========================================================
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