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2 Commits

Author SHA1 Message Date
Mulin Chao
d55aa5a71b driver: npcx7: replace platform specific functions with 'npcx_' prefix. 
Replace all platform specific functions with 'npcx_' prefix.

Signed-off-by: Mulin Chao <MLChao@nuvoton.com>
 2020-10-21 12:49:02 -05:00
Mulin Chao
dd99fbebe6 drivers: pwm: add pwm driver support in NPCX7 series 
In npcx7 series, there're 8 Pulse Width Modulator (PWM) modules and each
one support generating a single 16-bit PWM output. A 16-bit clock
prescaler (PRSCn) and a 16-bit counter (CTRn) determine the cycle time,
the minimal possible pulse width, and the duty-cycle steps.

Beside introducing pwm driver for Nuvoton NPCX series, this CL also
includes:

1. Add PWM device tree declarations.
2. Zephyr PWM api implementation.
3. Add aliases in npcx7m6fb_evb board device tree file for supporting
   samples/basic/blinky_pwm application and pwm test suites

Signed-off-by: Mulin Chao <MLChao@nuvoton.com>
 2020-10-06 18:16:02 -05:00