[RFC/PATCH 11/11] arm: boot: dts: omap: add missing default status for 32k counter

Felipe Balbi
2015-10-06T14:57:45Z

Arnd Bergmann <arnd@arndb.de> writes:

> On Monday 05 October 2015 14:41:07 Felipe Balbi wrote:
>>
>> /**
>> * omap_get_timer_dt - get a timer using device-tree
>> * @match - device-tree match structure for matching a device type
>> * @property - optional timer property to match
>> *
>> * Helper function to get a timer during early boot using device-tree for use
>> * as kernel system timer. Optionally, the property argument can be used to
>> * select a timer with a specific property. Once a timer is found then mark
>> * the timer node in device-tree as disabled, to prevent the kernel from
>> * registering this timer as a platform device and so no one else can use it.
>> */
>> static struct device_node * __init omap_get_timer_dt(const struct of_device_id *match,
>> const char *property)
>> {
>> struct device_node *np;
>>
>> for_each_matching_node(np, match) {
>> if (!of_device_is_available(np))
>> continue;
>>
>> if (property && !of_get_property(np, property, NULL))
>> continue;
>>
>> if (!property && (of_get_property(np, "ti,timer-alwon", NULL) ||
>> of_get_property(np, "ti,timer-dsp", NULL) ||
>> of_get_property(np, "ti,timer-pwm", NULL) ||
>> of_get_property(np, "ti,timer-secure", NULL)))
>> continue;
>>
>> of_add_property(np, &device_disabled);
>> return np;
>> }
>>
>> return NULL;
>> }
>>
>> I'll patch this up and drop $subject
>>
>
> Ah, good.
>
> I'm seeing the "ti,timer-alwon" property here, we probably need to take
> that into account when setting the CLOCK_SOURCE_SUSPEND_NONSTOP flag, if
> that isn't how it gets done already.

that flag is not set for 32k in any dts. Seems like it should, though,
judging by the binding documentation:

- ti,timer-alwon: Indicates the timer is in an alway-on power
domain.

Tony, care to comment if we should add timer-alwon to 32k ?

--
balbi
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