linux: add support for Linux hardware PWM

The replicape servo pins (P9_14/P9_16) are muxed to the SOCs hardware
PWM unit driven by a 13MHz GP timer. They have to be driven by the
linux host mcu. This commits adds hardware PWM support using the linux
sysfs user space interface.

Signed-off-by: Janne Grunau <janne-3d@jannau.net>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Janne Grunau
2019-03-24 10:25:56 +01:00
committed by Kevin O'Connor
parent e6c3eeafd7
commit aab89e7f85
6 changed files with 110 additions and 4 deletions

View File

@@ -8,6 +8,7 @@ config LINUX_SELECT
default y
select HAVE_GPIO_ADC
select HAVE_GPIO_SPI
select HAVE_GPIO_HARD_PWM
config BOARD_DIRECTORY
string