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* regmap: port regmap_update_bits from linuxSteffen Trumtrar2017-10-161-1/+2
| | | | | | | Port the regmap_update_bits function from linux v4.14-rc1 to barebox. Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* regmap: Add regmap_write_bits() functionAndrey Smirnov2017-01-101-1/+5
| | | | | | | Add code implementing a simple version of regmap_write_bits(). Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* regmap: Add missing prototype for regmap_exit()Sascha Hauer2016-02-121-0/+1
| | | | Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Add initial regmap supportSascha Hauer2016-02-051-0/+62
This adds initial regmap support. Function prototypes are from the Kernel, the implemention is mostly rewritten. Currently the regmap support is limited to the bare minimum to get started. Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>