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* Merge branch 'for-next/imx8mq'Sascha Hauer2018-07-091-0/+1
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| * ARM: i.MX: ocotp: Provide missing .format_mac for i.MX8MQSascha Hauer2018-06-151-0/+1
| | | | | | | | | | | | | | | | Provide missing .format_mac for i.MX8MQ to prevent driver from crashing on start. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | nvmem: rave-sp-eeprom: Add support for "zii,eeprom-name"Andrey Smirnov2018-07-051-0/+5
| | | | | | | | | | | | | | | | | | | | Upstream kernel driver allows specifying EEPROM name via "zii,eeprom-name" property. Add code to support that in Barebox as well. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | nvmem: rave-sp-eeprom: Remove VLA usageAndrey Smirnov2018-07-051-1/+5
| | | | | | | | | | | | | | | | | | | | This is a backport of patch [1] by Kees Cook [1] https://lkml.kernel.org/r/20180620182600.GA24297@beast Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | nvmem: Introduce nvmem_cell_get_and_read()Andrey Smirnov2018-06-291-0/+23
| | | | | | | | | | | | | | | | | | Introduce nvmem_cell_get_and_read() that combines getting a NVMEM cell by name and reading its contents. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | nvmem: Port RAVE SP EEPROM driver from Linux kernelAndrey Smirnov2018-06-213-1/+372
|/ | | | | | | | | This is a minimal port of a kernel commit 3b51f47be171 ("nvmem: Add RAVE SP EEPROM driver"). All of the changes were kept to a minimum and limited to impedance matching between Barebox/Linux driver API. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Merge branch 'for-next/imx-ocotp'Sascha Hauer2018-06-114-15/+720
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| * ARM: i.MX: ocotp: Add i.MX8MQ supportSascha Hauer2018-06-082-1/+11
| | | | | | | | | | | | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de> [andrew.smirnov@gmail.com: Rebased to account for move to nvmem] Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * nvmem: ocotp: Convert to NVMEM deviceAndrey Smirnov2018-05-311-3/+35
| | | | | | | | | | | | | | | | | | | | | | | | Not that barebox has a proper NVMEM subsystem, convert OCOTP driver to use that to both make things more consistent with Linux and also allow accessing OCOTP fields without the need for imx_ocotp_read_field()/imx_ocotp_write_field(). Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * nvmem: Use name from struct nvmem_config for cdevAndrey Smirnov2018-05-311-15/+3
| | | | | | | | | | | | | | | | | | | | | | Original name, 'nvmemN', doesn't really give any hint about which physical HW it may represent, so change the code to either pick up an DT alias or use the name passed via 'struct nvmem_config'. Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
| * i.MX: ocotp: Move OCOTP driver to drivers/nvmemAndrey Smirnov2018-05-313-0/+675
| | | | | | | | | | | | | | | | | | | | Move OCOTP driver to drivers/nvmem to be consistent with Linux kerenel. Cc: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Tested-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* | nvmem: snvs_lpgpr: Drop stray commasAndrey Smirnov2018-05-231-4/+4
|/ | | | | Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* rename file_operations -> cdev_operationsSascha Hauer2018-04-061-1/+1
| | | | | | | | Linux also has struct file_operations which are something different. Rename our file_operations to cdev_operations which better matches what we have. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* nvmem: snvs_lpgpr: sync with latest version for kernelOleksij Rempel2017-07-061-34/+62
| | | | | | | | DT format is ACKed now without "offset" parameter. Make sure barebox driver will work with it properly. Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
* nvmem: add snvs_lpgpr for freescale imx6Steffen Trumtrar2017-03-303-0/+129
| | | | | | | | | SNVS LPGPR is Non Volatile Low Power Generic Purpose Register which can be used as part of nvmem framework. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* drivers: add nvmem framework from kernelSteffen Trumtrar2017-03-303-0/+778
Add the nvmem framework from Linux. Based on the v4.4-rc3 version. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>