diff options
| author | Matthias Schiffer <matthias.schiffer@tq-group.com> | 2025-08-25 15:11:13 +0200 |
|---|---|---|
| committer | Kevin Hilman <khilman@baylibre.com> | 2025-11-04 14:48:47 -0800 |
| commit | 3f61783920504b2cf99330b372d82914bb004d8e (patch) | |
| tree | 780d444dccf5ed6405f1a744886a37dbe990ffef | |
| parent | 3a8660878839faadb4f1a6dd72c3179c1df56787 (diff) | |
ti-sysc: allow OMAP2 and OMAP4 timers to be reserved on AM33xx
am33xx.dtsi has the same clock setup as am35xx.dtsi, setting
ti,no-reset-on-init and ti,no-idle on timer1_target and timer2_target,
so AM33 needs the same workaround as AM35 to avoid ti-sysc probe
failing on certain target modules.
Signed-off-by: Matthias Schiffer <matthias.schiffer@tq-group.com>
Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com>
Link: https://lore.kernel.org/r/20250825131114.2206804-1-alexander.stein@ew.tq-group.com
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
| -rw-r--r-- | drivers/bus/ti-sysc.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 5566ad11399e..610354ce7f8f 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -48,6 +48,7 @@ enum sysc_soc { SOC_UNKNOWN, SOC_2420, SOC_2430, + SOC_AM33, SOC_3430, SOC_AM35, SOC_3630, @@ -2912,6 +2913,7 @@ static void ti_sysc_idle(struct work_struct *work) static const struct soc_device_attribute sysc_soc_match[] = { SOC_FLAG("OMAP242*", SOC_2420), SOC_FLAG("OMAP243*", SOC_2430), + SOC_FLAG("AM33*", SOC_AM33), SOC_FLAG("AM35*", SOC_AM35), SOC_FLAG("OMAP3[45]*", SOC_3430), SOC_FLAG("OMAP3[67]*", SOC_3630), @@ -3117,10 +3119,15 @@ static int sysc_check_active_timer(struct sysc *ddata) * can be dropped if we stop supporting old beagleboard revisions * A to B4 at some point. */ - if (sysc_soc->soc == SOC_3430 || sysc_soc->soc == SOC_AM35) + switch (sysc_soc->soc) { + case SOC_AM33: + case SOC_3430: + case SOC_AM35: error = -ENXIO; - else + break; + default: error = -EBUSY; + } if ((ddata->cfg.quirks & SYSC_QUIRK_NO_RESET_ON_INIT) && (ddata->cfg.quirks & SYSC_QUIRK_NO_IDLE)) |