1 Kernel driver zl6100 1 Kernel driver zl6100
2 ==================== 2 ====================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Renesas / Intersil / Zilker Labs ZL2004 !! 6 * Intersil / Zilker Labs ZL2004
7 7
8 Prefix: 'zl2004' 8 Prefix: 'zl2004'
9 9
10 Addresses scanned: - 10 Addresses scanned: -
11 11
12 Datasheet: https://www.renesas.com/us/en/d !! 12 Datasheet: http://www.intersil.com/data/fn/fn6847.pdf
13 13
14 * Renesas / Intersil / Zilker Labs ZL2005 !! 14 * Intersil / Zilker Labs ZL2005
15 15
16 Prefix: 'zl2005' 16 Prefix: 'zl2005'
17 17
18 Addresses scanned: - 18 Addresses scanned: -
19 19
20 Datasheet: https://www.renesas.com/us/en/d !! 20 Datasheet: http://www.intersil.com/data/fn/fn6848.pdf
21 21
22 * Renesas / Intersil / Zilker Labs ZL2006 !! 22 * Intersil / Zilker Labs ZL2006
23 23
24 Prefix: 'zl2006' 24 Prefix: 'zl2006'
25 25
26 Addresses scanned: - 26 Addresses scanned: -
27 27
28 Datasheet: https://www.renesas.com/us/en/d !! 28 Datasheet: http://www.intersil.com/data/fn/fn6850.pdf
29 29
30 * Renesas / Intersil / Zilker Labs ZL2008 !! 30 * Intersil / Zilker Labs ZL2008
31 31
32 Prefix: 'zl2008' 32 Prefix: 'zl2008'
33 33
34 Addresses scanned: - 34 Addresses scanned: -
35 35
36 Datasheet: https://www.renesas.com/us/en/d !! 36 Datasheet: http://www.intersil.com/data/fn/fn6859.pdf
37 37
38 * Renesas / Intersil / Zilker Labs ZL2105 !! 38 * Intersil / Zilker Labs ZL2105
39 39
40 Prefix: 'zl2105' 40 Prefix: 'zl2105'
41 41
42 Addresses scanned: - 42 Addresses scanned: -
43 43
44 Datasheet: https://www.renesas.com/us/en/d !! 44 Datasheet: http://www.intersil.com/data/fn/fn6851.pdf
45 45
46 * Renesas / Intersil / Zilker Labs ZL2106 !! 46 * Intersil / Zilker Labs ZL2106
47 47
48 Prefix: 'zl2106' 48 Prefix: 'zl2106'
49 49
50 Addresses scanned: - 50 Addresses scanned: -
51 51
52 Datasheet: https://www.renesas.com/us/en/d !! 52 Datasheet: http://www.intersil.com/data/fn/fn6852.pdf
53 53
54 * Renesas / Intersil / Zilker Labs ZL6100 !! 54 * Intersil / Zilker Labs ZL6100
55 55
56 Prefix: 'zl6100' 56 Prefix: 'zl6100'
57 57
58 Addresses scanned: - 58 Addresses scanned: -
59 59
60 Datasheet: https://www.renesas.com/us/en/d !! 60 Datasheet: http://www.intersil.com/data/fn/fn6876.pdf
61 61
62 * Renesas / Intersil / Zilker Labs ZL6105 !! 62 * Intersil / Zilker Labs ZL6105
63 63
64 Prefix: 'zl6105' 64 Prefix: 'zl6105'
65 65
66 Addresses scanned: - 66 Addresses scanned: -
67 67
68 Datasheet: https://www.renesas.com/us/en/d !! 68 Datasheet: http://www.intersil.com/data/fn/fn6906.pdf
69 69
70 * Renesas / Intersil / Zilker Labs ZL8802 !! 70 * Intersil / Zilker Labs ZL9101M
71 <<
72 Prefix: 'zl8802' <<
73 <<
74 Addresses scanned: - <<
75 <<
76 Datasheet: https://www.renesas.com/us/en/d <<
77 <<
78 * Renesas / Intersil / Zilker Labs ZL9101M <<
79 71
80 Prefix: 'zl9101' 72 Prefix: 'zl9101'
81 73
82 Addresses scanned: - 74 Addresses scanned: -
83 75
84 Datasheet: https://www.renesas.com/us/en/d !! 76 Datasheet: http://www.intersil.com/data/fn/fn7669.pdf
85 77
86 * Renesas / Intersil / Zilker Labs ZL9117M !! 78 * Intersil / Zilker Labs ZL9117M
87 79
88 Prefix: 'zl9117' 80 Prefix: 'zl9117'
89 81
90 Addresses scanned: - 82 Addresses scanned: -
91 83
92 Datasheet: https://www.renesas.com/us/en/d !! 84 Datasheet: http://www.intersil.com/data/fn/fn7914.pdf
93 <<
94 * Renesas / Intersil / Zilker Labs ZLS1003, <<
95 <<
96 Prefix: 'zls1003', zls4009 <<
97 <<
98 Addresses scanned: - <<
99 <<
100 Datasheet: Not published <<
101 85
102 * Flex BMR450, BMR451 !! 86 * Ericsson BMR450, BMR451
103 87
104 Prefix: 'bmr450', 'bmr451' 88 Prefix: 'bmr450', 'bmr451'
105 89
106 Addresses scanned: - 90 Addresses scanned: -
107 91
108 Datasheet: 92 Datasheet:
109 93
110 https://flexpowermodules.com/resources/fpm-tec !! 94 http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146401
111 95
112 * Flex BMR462, BMR463, BMR464 !! 96 * Ericsson BMR462, BMR463, BMR464
113 97
114 Prefixes: 'bmr462', 'bmr463', 'bmr464' 98 Prefixes: 'bmr462', 'bmr463', 'bmr464'
115 99
116 Addresses scanned: - 100 Addresses scanned: -
117 101
118 Datasheet: https://flexpowermodules.com/re !! 102 Datasheet:
119 <<
120 * Flex BMR465, BMR467 <<
121 <<
122 Prefixes: 'bmr465', 'bmr467' <<
123 <<
124 Addresses scanned: - <<
125 <<
126 Datasheet: https://flexpowermodules.com/re <<
127 <<
128 * Flex BMR466 <<
129 <<
130 Prefixes: 'bmr466' <<
131 <<
132 Addresses scanned: - <<
133 <<
134 Datasheet: https://flexpowermodules.com/re <<
135 <<
136 * Flex BMR469 <<
137 <<
138 Prefixes: 'bmr469' <<
139 <<
140 Addresses scanned: - <<
141 103
142 Datasheet: https://flexpowermodules.com/re !! 104 http://archive.ericsson.net/service/internet/picov/get?DocNo=28701-EN/LZT146256
143 105
144 Author: Guenter Roeck <linux@roeck-us.net> 106 Author: Guenter Roeck <linux@roeck-us.net>
145 107
146 108
147 Description 109 Description
148 ----------- 110 -----------
149 111
150 This driver supports hardware monitoring for R !! 112 This driver supports hardware monitoring for Intersil / Zilker Labs ZL6100 and
151 ZL6100 and compatible digital DC-DC controller !! 113 compatible digital DC-DC controllers.
152 114
153 The driver is a client driver to the core PMBu 115 The driver is a client driver to the core PMBus driver. Please see
154 Documentation/hwmon/pmbus.rst and Documentatio 116 Documentation/hwmon/pmbus.rst and Documentation.hwmon/pmbus-core for details
155 on PMBus client drivers. 117 on PMBus client drivers.
156 118
157 119
158 Usage Notes 120 Usage Notes
159 ----------- 121 -----------
160 122
161 This driver does not auto-detect devices. You 123 This driver does not auto-detect devices. You will have to instantiate the
162 devices explicitly. Please see Documentation/i !! 124 devices explicitly. Please see Documentation/i2c/instantiating-devices for
163 details. 125 details.
164 126
165 .. warning:: 127 .. warning::
166 128
167 Do not access chip registers using the i2cdu 129 Do not access chip registers using the i2cdump command, and do not use
168 any of the i2ctools commands on a command re 130 any of the i2ctools commands on a command register used to save and restore
169 configuration data (0x11, 0x12, 0x15, 0x16, 131 configuration data (0x11, 0x12, 0x15, 0x16, and 0xf4). The chips supported by
170 this driver interpret any access to those co 132 this driver interpret any access to those command registers (including read
171 commands) as request to execute the command 133 commands) as request to execute the command in question. Unless write accesses
172 to those registers are protected, this may r 134 to those registers are protected, this may result in power loss, board resets,
173 and/or Flash corruption. Worst case, your bo 135 and/or Flash corruption. Worst case, your board may turn into a brick.
174 136
175 137
176 Platform data support 138 Platform data support
177 --------------------- 139 ---------------------
178 140
179 The driver supports standard PMBus driver plat 141 The driver supports standard PMBus driver platform data.
180 142
181 143
182 Module parameters 144 Module parameters
183 ----------------- 145 -----------------
184 146
185 delay 147 delay
186 ----- 148 -----
187 149
188 Renesas/Intersil/Zilker Labs DC-DC controllers !! 150 Intersil/Zilker Labs DC-DC controllers require a minimum interval between I2C
189 between I2C bus accesses. According to Intersi !! 151 bus accesses. According to Intersil, the minimum interval is 2 ms, though 1 ms
190 though 1 ms appears to be sufficient and has n !! 152 appears to be sufficient and has not caused any problems in testing. The problem
191 The problem is known to affect all currently s !! 153 is known to affect all currently supported chips. For manual override, the
192 the driver provides a writeable module paramet !! 154 driver provides a writeable module parameter, 'delay', which can be used to set
193 to set the interval to a value between 0 and 6 !! 155 the interval to a value between 0 and 65,535 microseconds.
194 156
195 157
196 Sysfs entries 158 Sysfs entries
197 ------------- 159 -------------
198 160
199 The following attributes are supported. Limits 161 The following attributes are supported. Limits are read-write; all other
200 attributes are read-only. 162 attributes are read-only.
201 163
202 ======================= ====================== 164 ======================= ========================================================
203 in1_label "vin" 165 in1_label "vin"
204 in1_input Measured input voltage 166 in1_input Measured input voltage.
205 in1_min Minimum input voltage. 167 in1_min Minimum input voltage.
206 in1_max Maximum input voltage. 168 in1_max Maximum input voltage.
207 in1_lcrit Critical minimum input 169 in1_lcrit Critical minimum input voltage.
208 in1_crit Critical maximum input 170 in1_crit Critical maximum input voltage.
209 in1_min_alarm Input voltage low alar 171 in1_min_alarm Input voltage low alarm.
210 in1_max_alarm Input voltage high ala 172 in1_max_alarm Input voltage high alarm.
211 in1_lcrit_alarm Input voltage critical 173 in1_lcrit_alarm Input voltage critical low alarm.
212 in1_crit_alarm Input voltage critical 174 in1_crit_alarm Input voltage critical high alarm.
213 175
214 in2_label "vmon" 176 in2_label "vmon"
215 in2_input Measured voltage on VM 177 in2_input Measured voltage on VMON (ZL2004) or VDRV (ZL9101M,
216 ZL9117M) pin. Reported 178 ZL9117M) pin. Reported voltage is 16x the voltage on the
217 pin (adjusted internal 179 pin (adjusted internally by the chip).
218 in2_lcrit Critical minimum VMON/ 180 in2_lcrit Critical minimum VMON/VDRV Voltage.
219 in2_crit Critical maximum VMON/ 181 in2_crit Critical maximum VMON/VDRV voltage.
220 in2_lcrit_alarm VMON/VDRV voltage crit 182 in2_lcrit_alarm VMON/VDRV voltage critical low alarm.
221 in2_crit_alarm VMON/VDRV voltage crit 183 in2_crit_alarm VMON/VDRV voltage critical high alarm.
222 184
223 vmon attributes are su !! 185 vmon attributes are supported on ZL2004, ZL9101M,
224 ZL9101M, ZL9117M and Z !! 186 and ZL9117M only.
225 187
226 inX_label "vout[12]" !! 188 inX_label "vout1"
227 inX_input Measured output voltag 189 inX_input Measured output voltage.
228 inX_lcrit Critical minimum outpu 190 inX_lcrit Critical minimum output Voltage.
229 inX_crit Critical maximum outpu 191 inX_crit Critical maximum output voltage.
230 inX_lcrit_alarm Critical output voltag 192 inX_lcrit_alarm Critical output voltage critical low alarm.
231 inX_crit_alarm Critical output voltag 193 inX_crit_alarm Critical output voltage critical high alarm.
232 194
233 X is 3 for ZL2004, ZL9 !! 195 X is 3 for ZL2004, ZL9101M, and ZL9117M, 2 otherwise.
234 3, 4 for ZL8802 and 2 <<
235 <<
236 curr1_label "iin" <<
237 curr1_input Measured input current <<
238 <<
239 iin attributes are sup <<
240 <<
241 currY_label "iout[12]" <<
242 currY_input Measured output curren <<
243 currY_lcrit Critical minimum outpu <<
244 currY_crit Critical maximum outpu <<
245 currY_lcrit_alarm Output current critica <<
246 currY_crit_alarm Output current critica <<
247 196
248 Y is 2, 3 for ZL8802, !! 197 curr1_label "iout1"
>> 198 curr1_input Measured output current.
>> 199 curr1_lcrit Critical minimum output current.
>> 200 curr1_crit Critical maximum output current.
>> 201 curr1_lcrit_alarm Output current critical low alarm.
>> 202 curr1_crit_alarm Output current critical high alarm.
249 203
250 temp[12]_input Measured temperature. 204 temp[12]_input Measured temperature.
251 temp[12]_min Minimum temperature. 205 temp[12]_min Minimum temperature.
252 temp[12]_max Maximum temperature. 206 temp[12]_max Maximum temperature.
253 temp[12]_lcrit Critical low temperatu 207 temp[12]_lcrit Critical low temperature.
254 temp[12]_crit Critical high temperat 208 temp[12]_crit Critical high temperature.
255 temp[12]_min_alarm Chip temperature low a 209 temp[12]_min_alarm Chip temperature low alarm.
256 temp[12]_max_alarm Chip temperature high 210 temp[12]_max_alarm Chip temperature high alarm.
257 temp[12]_lcrit_alarm Chip temperature criti 211 temp[12]_lcrit_alarm Chip temperature critical low alarm.
258 temp[12]_crit_alarm Chip temperature criti 212 temp[12]_crit_alarm Chip temperature critical high alarm.
259 ======================= ====================== 213 ======================= ========================================================
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.