diff options
Diffstat (limited to 'sys/arm/ti/am335x/am335x_dmtpps.c')
| -rw-r--r-- | sys/arm/ti/am335x/am335x_dmtpps.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/arm/ti/am335x/am335x_dmtpps.c b/sys/arm/ti/am335x/am335x_dmtpps.c index b05437a..2c4e634 100644 --- a/sys/arm/ti/am335x/am335x_dmtpps.c +++ b/sys/arm/ti/am335x/am335x_dmtpps.c @@ -463,6 +463,14 @@ dmtpps_attach(device_t dev) sc->tmr_num = ti_hwmods_get_unit(dev, "timer"); snprintf(sc->tmr_name, sizeof(sc->tmr_name), "DMTimer%d", sc->tmr_num); + /* + * Configure the timer pulse/capture pin to input/capture mode. This is + * required in addition to configuring the pin as input with the pinmux + * controller (which was done via fdt data or tunable at probe time). + */ + sc->tclr = DMT_TCLR_GPO_CFG; + DMTIMER_WRITE4(sc, DMT_TCLR, sc->tclr); + /* Set up timecounter hardware, start it. */ DMTIMER_WRITE4(sc, DMT_TSICR, DMT_TSICR_RESET); while (DMTIMER_READ4(sc, DMT_TIOCP_CFG) & DMT_TIOCP_RESET) |
