606 lines
13 KiB
ReStructuredText
606 lines
13 KiB
ReStructuredText
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Kernel driver isl68137
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======================
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Supported chips:
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* Renesas ISL68137
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Prefix: 'isl68137'
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Addresses scanned: -
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Datasheet:
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Publicly available at the Renesas website
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https://www.renesas.com/us/en/www/doc/datasheet/isl68137.pdf
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* Renesas ISL68220
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Prefix: 'isl68220'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68221
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Prefix: 'isl68221'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68222
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Prefix: 'isl68222'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68223
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Prefix: 'isl68223'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68224
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Prefix: 'isl68224'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68225
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Prefix: 'isl68225'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68226
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Prefix: 'isl68226'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68227
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Prefix: 'isl68227'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68229
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Prefix: 'isl68229'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68233
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Prefix: 'isl68233'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL68239
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Prefix: 'isl68239'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69222
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Prefix: 'isl69222'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69223
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Prefix: 'isl69223'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69224
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Prefix: 'isl69224'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69225
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Prefix: 'isl69225'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69227
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Prefix: 'isl69227'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69228
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Prefix: 'isl69228'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69234
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Prefix: 'isl69234'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69236
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Prefix: 'isl69236'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69239
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Prefix: 'isl69239'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69242
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Prefix: 'isl69242'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69243
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Prefix: 'isl69243'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69247
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Prefix: 'isl69247'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69248
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Prefix: 'isl69248'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69254
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Prefix: 'isl69254'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69255
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Prefix: 'isl69255'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69256
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Prefix: 'isl69256'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69259
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Prefix: 'isl69259'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69260
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Prefix: 'isl69260'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69268
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Prefix: 'isl69268'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69269
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Prefix: 'isl69269'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas ISL69298
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Prefix: 'isl69298'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA228000
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Prefix: 'raa228000'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA228004
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Prefix: 'raa228004'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA228006
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Prefix: 'raa228006'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA228228
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Prefix: 'raa228228'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA229001
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Prefix: 'raa229001'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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* Renesas RAA229004
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Prefix: 'raa229004'
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Addresses scanned: -
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Datasheet:
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Publicly available (after August 2020 launch) at the Renesas website
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Authors:
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- Maxim Sloyko <maxims@google.com>
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- Robert Lippert <rlippert@google.com>
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- Patrick Venture <venture@google.com>
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- Grant Peltier <grant.peltier.jg@renesas.com>
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Description
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-----------
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This driver supports the Renesas ISL68137 and all 2nd generation Renesas
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digital multiphase voltage regulators (raa_dmpvr2). The ISL68137 is a digital
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output 7-phase configurable PWM controller with an AVSBus interface. 2nd
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generation devices are grouped into 4 distinct configurations: '1rail' for
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single-rail devices, '2rail' for dual-rail devices, '3rail' for 3-rail devices,
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and 'hv' for high voltage single-rail devices. Consult the individual datasheets
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for more information.
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Usage Notes
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-----------
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This driver does not probe for PMBus devices. You will have to instantiate
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devices explicitly.
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The ISL68137 AVS operation mode must be enabled/disabled at runtime.
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Beyond the normal sysfs pmbus attributes, the driver exposes a control attribute
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for the ISL68137.
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For 2nd generation Renesas digital multiphase voltage regulators, only the
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normal sysfs pmbus attributes are supported.
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ISL68137 sysfs attributes
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-------------------------
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======================= ====================================
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avs(0|1)_enable Controls the AVS state of each rail.
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curr1_label "iin"
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curr1_input Measured input current
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curr1_crit Critical maximum current
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curr1_crit_alarm Current critical high alarm
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curr[2-3]_label "iout[1-2]"
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curr[2-3]_input Measured output current
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curr[2-3]_crit Critical maximum current
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curr[2-3]_crit_alarm Current critical high alarm
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in1_label "vin"
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in1_input Measured input voltage
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in1_lcrit Critical minimum input voltage
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in1_lcrit_alarm Input voltage critical low alarm
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in1_crit Critical maximum input voltage
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in1_crit_alarm Input voltage critical high alarm
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in[2-3]_label "vout[1-2]"
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in[2-3]_input Measured output voltage
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in[2-3]_lcrit Critical minimum output voltage
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in[2-3]_lcrit_alarm Output voltage critical low alarm
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in[2-3]_crit Critical maximum output voltage
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in[2-3]_crit_alarm Output voltage critical high alarm
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power1_label "pin"
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power1_input Measured input power
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power1_alarm Input power high alarm
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power[2-3]_label "pout[1-2]"
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||
|
|
power[2-3]_input Measured output power
|
||
|
|
|
||
|
|
temp[1-3]_input Measured temperature
|
||
|
|
temp[1-3]_crit Critical high temperature
|
||
|
|
temp[1-3]_crit_alarm Chip temperature critical high alarm
|
||
|
|
temp[1-3]_max Maximum temperature
|
||
|
|
temp[1-3]_max_alarm Chip temperature high alarm
|
||
|
|
======================= ====================================
|
||
|
|
|
||
|
|
raa_dmpvr2_1rail/hv sysfs attributes
|
||
|
|
------------------------------------
|
||
|
|
|
||
|
|
======================= ==========================================
|
||
|
|
curr1_label "iin"
|
||
|
|
curr1_input Measured input current
|
||
|
|
curr1_crit Critical maximum current
|
||
|
|
curr1_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
curr2_label "iout"
|
||
|
|
curr2_input Measured output current
|
||
|
|
curr2_crit Critical maximum current
|
||
|
|
curr2_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
in1_label "vin"
|
||
|
|
in1_input Measured input voltage
|
||
|
|
in1_lcrit Critical minimum input voltage
|
||
|
|
in1_lcrit_alarm Input voltage critical low alarm
|
||
|
|
in1_crit Critical maximum input voltage
|
||
|
|
in1_crit_alarm Input voltage critical high alarm
|
||
|
|
|
||
|
|
in2_label "vmon"
|
||
|
|
in2_input Scaled VMON voltage read from the VMON pin
|
||
|
|
|
||
|
|
in3_label "vout"
|
||
|
|
in3_input Measured output voltage
|
||
|
|
in3_lcrit Critical minimum output voltage
|
||
|
|
in3_lcrit_alarm Output voltage critical low alarm
|
||
|
|
in3_crit Critical maximum output voltage
|
||
|
|
in3_crit_alarm Output voltage critical high alarm
|
||
|
|
|
||
|
|
power1_label "pin"
|
||
|
|
power1_input Measured input power
|
||
|
|
power1_alarm Input power high alarm
|
||
|
|
|
||
|
|
power2_label "pout"
|
||
|
|
power2_input Measured output power
|
||
|
|
|
||
|
|
temp[1-3]_input Measured temperature
|
||
|
|
temp[1-3]_crit Critical high temperature
|
||
|
|
temp[1-3]_crit_alarm Chip temperature critical high alarm
|
||
|
|
temp[1-3]_max Maximum temperature
|
||
|
|
temp[1-3]_max_alarm Chip temperature high alarm
|
||
|
|
======================= ==========================================
|
||
|
|
|
||
|
|
raa_dmpvr2_2rail sysfs attributes
|
||
|
|
---------------------------------
|
||
|
|
|
||
|
|
======================= ==========================================
|
||
|
|
curr[1-2]_label "iin[1-2]"
|
||
|
|
curr[1-2]_input Measured input current
|
||
|
|
curr[1-2]_crit Critical maximum current
|
||
|
|
curr[1-2]_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
curr[3-4]_label "iout[1-2]"
|
||
|
|
curr[3-4]_input Measured output current
|
||
|
|
curr[3-4]_crit Critical maximum current
|
||
|
|
curr[3-4]_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
in1_label "vin"
|
||
|
|
in1_input Measured input voltage
|
||
|
|
in1_lcrit Critical minimum input voltage
|
||
|
|
in1_lcrit_alarm Input voltage critical low alarm
|
||
|
|
in1_crit Critical maximum input voltage
|
||
|
|
in1_crit_alarm Input voltage critical high alarm
|
||
|
|
|
||
|
|
in2_label "vmon"
|
||
|
|
in2_input Scaled VMON voltage read from the VMON pin
|
||
|
|
|
||
|
|
in[3-4]_label "vout[1-2]"
|
||
|
|
in[3-4]_input Measured output voltage
|
||
|
|
in[3-4]_lcrit Critical minimum output voltage
|
||
|
|
in[3-4]_lcrit_alarm Output voltage critical low alarm
|
||
|
|
in[3-4]_crit Critical maximum output voltage
|
||
|
|
in[3-4]_crit_alarm Output voltage critical high alarm
|
||
|
|
|
||
|
|
power[1-2]_label "pin[1-2]"
|
||
|
|
power[1-2]_input Measured input power
|
||
|
|
power[1-2]_alarm Input power high alarm
|
||
|
|
|
||
|
|
power[3-4]_label "pout[1-2]"
|
||
|
|
power[3-4]_input Measured output power
|
||
|
|
|
||
|
|
temp[1-5]_input Measured temperature
|
||
|
|
temp[1-5]_crit Critical high temperature
|
||
|
|
temp[1-5]_crit_alarm Chip temperature critical high alarm
|
||
|
|
temp[1-5]_max Maximum temperature
|
||
|
|
temp[1-5]_max_alarm Chip temperature high alarm
|
||
|
|
======================= ==========================================
|
||
|
|
|
||
|
|
raa_dmpvr2_3rail sysfs attributes
|
||
|
|
---------------------------------
|
||
|
|
|
||
|
|
======================= ==========================================
|
||
|
|
curr[1-3]_label "iin[1-3]"
|
||
|
|
curr[1-3]_input Measured input current
|
||
|
|
curr[1-3]_crit Critical maximum current
|
||
|
|
curr[1-3]_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
curr[4-6]_label "iout[1-3]"
|
||
|
|
curr[4-6]_input Measured output current
|
||
|
|
curr[4-6]_crit Critical maximum current
|
||
|
|
curr[4-6]_crit_alarm Current critical high alarm
|
||
|
|
|
||
|
|
in1_label "vin"
|
||
|
|
in1_input Measured input voltage
|
||
|
|
in1_lcrit Critical minimum input voltage
|
||
|
|
in1_lcrit_alarm Input voltage critical low alarm
|
||
|
|
in1_crit Critical maximum input voltage
|
||
|
|
in1_crit_alarm Input voltage critical high alarm
|
||
|
|
|
||
|
|
in2_label "vmon"
|
||
|
|
in2_input Scaled VMON voltage read from the VMON pin
|
||
|
|
|
||
|
|
in[3-5]_label "vout[1-3]"
|
||
|
|
in[3-5]_input Measured output voltage
|
||
|
|
in[3-5]_lcrit Critical minimum output voltage
|
||
|
|
in[3-5]_lcrit_alarm Output voltage critical low alarm
|
||
|
|
in[3-5]_crit Critical maximum output voltage
|
||
|
|
in[3-5]_crit_alarm Output voltage critical high alarm
|
||
|
|
|
||
|
|
power[1-3]_label "pin[1-3]"
|
||
|
|
power[1-3]_input Measured input power
|
||
|
|
power[1-3]_alarm Input power high alarm
|
||
|
|
|
||
|
|
power[4-6]_label "pout[1-3]"
|
||
|
|
power[4-6]_input Measured output power
|
||
|
|
|
||
|
|
temp[1-7]_input Measured temperature
|
||
|
|
temp[1-7]_crit Critical high temperature
|
||
|
|
temp[1-7]_crit_alarm Chip temperature critical high alarm
|
||
|
|
temp[1-7]_max Maximum temperature
|
||
|
|
temp[1-7]_max_alarm Chip temperature high alarm
|
||
|
|
======================= ==========================================
|