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2 Commits

Author SHA1 Message Date
Brecht Neyrinck b2580877b5 bugfix i.mx6 pwm: prevent overflow of period_c * duty_ns 
Prevent overflow by casting duty_ns to ull first. This bug came up when trying to create a 200 Hz PWM

Signed-off-by: Brecht Neyrinck <bnrn@psicontrol.com>
Acked-by: Heiko Schocher<hs@denx.de>
 2015-05-15 19:20:47 +02:00
Heiko Schocher b2f97cf279 pwm, imx6: add support for pwm modul on imx6 
add basic support for the pwm modul found on imx6.
Pieces of this code are based on linux code from drivers/pwm/pwm-imx.c
Commit "cd3de83f1476 Linux 3.16-rc4"

Signed-off-by: Heiko Schocher <hs@denx.de>
Acked-by: Stefano Babic <sbabic@denx.de>
Cc: Wolfgang Denk <wd@denx.de>
 2014-07-23 12:25:42 +02:00