pinctrl: renesas: r8a7794: Add bias pinconf support

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Implement support for pull-up (most pins) and pull-down (ASEBRK#/ACK)
handling for R-Car E2 and RZ/G1E SoCs, using the common R-Car bias
handling.

Note that on RZ/G1E, the "ASEBRK#/ACK" pin is called "ACK", but the code
doesn't handle that naming difference.  Hence users should use the R-Car
naming in DTS files.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Link: https://lore.kernel.org/r/f78da2ba937ce98ae9196f4ee54149a5214fd545.1619785375.git.geert+renesas@glider.be

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Geert Uytterhoeven 2021-04-30 14:31:08 +02:00

parent 35477d7e90

commit 009f502238

1 changed files with 351 additions and 9 deletions

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drivers/pinctrl/renesas/pfc-r8a7794.c

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