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| author | Renato Botelho <renato@netgate.com> | 2017-01-09 12:07:59 -0200 |
|---|---|---|
| committer | Renato Botelho <renato@netgate.com> | 2017-01-09 12:07:59 -0200 |
| commit | baeac042059786f1ed0cca7ca4a4a32721362cab (patch) | |
| tree | 3b848bddaf0f478d0c0651c8ee62129d3d9bacf5 /sys/arm/ti | |
| parent | 1af1408e09373ae856cfef567d79849c7e7e0d25 (diff) | |
| parent | f91948fdd5322d9aae1e8785976df69612c1999f (diff) | |
| download | FreeBSD-src-baeac042059786f1ed0cca7ca4a4a32721362cab.zip FreeBSD-src-baeac042059786f1ed0cca7ca4a4a32721362cab.tar.gz | |
Merge remote-tracking branch 'origin/stable/11' into devel-11
Diffstat (limited to 'sys/arm/ti')
| -rw-r--r-- | sys/arm/ti/am335x/am335x_scm.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sys/arm/ti/am335x/am335x_scm.c b/sys/arm/ti/am335x/am335x_scm.c index 3d0dff4..6f040ed 100644 --- a/sys/arm/ti/am335x/am335x_scm.c +++ b/sys/arm/ti/am335x/am335x_scm.c @@ -110,11 +110,14 @@ am335x_scm_attach(device_t dev) struct sysctl_oid_list *tree; uint32_t reg; - /* Set ADC to continous mode, clear output reset. */ - reg = SCM_BGAP_CLRZ | SCM_BGAP_CONTCONV; - ti_scm_reg_write_4(SCM_BGAP_CTRL, reg); - /* Flush write. */ + /* Reset the digital outputs. */ + ti_scm_reg_write_4(SCM_BGAP_CTRL, 0); + ti_scm_reg_read_4(SCM_BGAP_CTRL, ®); + DELAY(500); + /* Set continous mode. */ + ti_scm_reg_write_4(SCM_BGAP_CTRL, SCM_BGAP_CONTCONV); ti_scm_reg_read_4(SCM_BGAP_CTRL, ®); + DELAY(500); /* Start the ADC conversion. */ reg = SCM_BGAP_CLRZ | SCM_BGAP_CONTCONV | SCM_BGAP_SOC; ti_scm_reg_write_4(SCM_BGAP_CTRL, reg); |
