Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1225722
| From | Martin Sperl <kernel@martin.sperl.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v4 3/5] dt/bindings: bcm2835: add binding documentation for bcm2835-aux |
| Date | 2015-09-16 07:30 +0200 |
| Message-ID | <q9ds6-3oy-5@gated-at.bofh.it> (permalink) |
| References | <q0VC2-2AJ-9@gated-at.bofh.it> <q0VC3-2AJ-27@gated-at.bofh.it> <q1y0F-7VT-1@gated-at.bofh.it> <q4UxJ-51q-41@gated-at.bofh.it> <q9cml-1OQ-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
> On 16.09.2015, at 06:12, Stephen Warren <swarren@wwwdotorg.org> wrote:
>
> On 09/04/2015 01:26 AM, Martin Sperl wrote:
>>
>>> On 26.08.2015, at 03:44, Stephen Warren <swarren@wwwdotorg.org> wrote:
>>>
>>> On 08/24/2015 02:40 AM, kernel@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.
Please look at V6 of the patch-series, that uses Erics clock-patch.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Find similar | Unroll thread
Re: [PATCH v4 3/5] dt/bindings: bcm2835: add binding documentation for bcm2835-aux Stephen Warren <swarren@wwwdotorg.org> - 2015-09-16 06:20 +0200 Re: [PATCH v4 3/5] dt/bindings: bcm2835: add binding documentation for bcm2835-aux Martin Sperl <kernel@martin.sperl.org> - 2015-09-16 07:30 +0200
csiph-web