On 09/04/2015 01:26 AM, Martin Sperl wrote:
>
>> On 26.08.2015, at 03:44, Stephen Warren <swar...@wwwdotorg.org> wrote:
>>
>> On 08/24/2015 02:40 AM, ker...@martin.sperl.org wrote:
>>
>>> +Example:
>>> +
>>> +aux_enable: aux_enable@0x7e215004 {
>>> + compatible = "bcrm,bcm2835-aux";
>>> + reg = <0x7e215004 0x04>;
>>
>> I'd expect that to be <0x7e215000 0x8>;
>
> The reason is that we just handle enable with this driver,
> which just requires access to the 0x7e215004 register.
>
> The 0x7e215000 register (interrupt mask) could be used by a
> cascaded interrupt-controller, but as the spi and uart drivers
> can run with shared interrupts this is not a necessity.
The DT is supposed to describe the HW, not any particular SW's use of
the HW. If the HW block has 2 registers, so must the DT reg property.
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