From: rnayak@ti•com (Rajendra Nayak)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/3] ARM: OMAP2+: Add new bindings for OMAP
Date: Wed, 21 Aug 2013 18:09:41 +0530 [thread overview]
Message-ID: <5214B50D.3050703@ti.com> (raw)
In-Reply-To: <20130821122327.GI7656@atomide.com>
On Wednesday 21 August 2013 05:53 PM, Tony Lindgren wrote:
> * Rajendra Nayak <rnayak@ti•com> [130821 02:29]:
>> On Wednesday 21 August 2013 02:23 PM, Tony Lindgren wrote:
>>>
>>> Or you could also have various bus specific bindings for the ocp
>>> with lists of phandles?
>>>
>>> ocp {
>>> reg = <...>;
>>> interrupts = <...>;
>>> ti,reset-on-init = <&module1, &module2>;
>>> ...
>>> };
>>>
>>> Or something similar.
>>
>> The only problem I see with this is that some of these modules could be
>> board specific ones and need to be part of the board dts files, like
>> some boards which have PMIC power switch hooked up to some gpio etc.
>> So there could be some SoC specific modules (like emif/gpmc on OMAPs)
>> and some which depend on how the boards are designed.
>
> You can still override the ocp entry in the board specific .dts file.
> Would probably be a lot easier than to override each module separately
> in the board specific .dts file.
So, If I understand this right we would have the dt entries
something like,
omap4.dtsi
------
ocp {
reg = <...>;
interrupts = <...>;
ti,no-reset-on-init = <&emif1, &emif2, &gpmc>;
...
};
omap4-panda-es.dts
------
ocp {
ti,no-reset-on-init = <&emif1, &emif2, &gpmc, &gpio4>;
...
};
Is it that, or you suggesting we can _append_ the soc list of
modules with board specific modules, which I am not sure if its
possible.
next prev parent reply other threads:[~2013-08-21 12:39 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-20 7:32 [PATCH 0/3] OMAP: Add DT bindings to specify when devices should not be idled or reset Rajendra Nayak
2013-08-20 7:32 ` [PATCH 1/3] ARM: OMAP2+: hwmod: cleanup HWMOD_INIT_NO_RESET usage Rajendra Nayak
2013-08-20 7:32 ` [PATCH 2/3] ARM: OMAP2+: Add new bindings for OMAP Rajendra Nayak
2013-08-21 7:45 ` Tony Lindgren
2013-08-21 8:47 ` Rajendra Nayak
2013-08-21 8:53 ` Tony Lindgren
2013-08-21 9:22 ` Rajendra Nayak
2013-08-21 12:23 ` Tony Lindgren
2013-08-21 12:39 ` Rajendra Nayak [this message]
2013-08-21 12:44 ` Rajendra Nayak
2013-08-21 12:51 ` Tony Lindgren
2013-08-21 13:12 ` Benoit Cousson
2013-08-21 9:29 ` Benoit Cousson
2013-08-21 11:49 ` Rajendra Nayak
2013-08-20 7:32 ` [PATCH 3/3] ARM: OMAP2+: Let DT say what devices should not to idled or reset Rajendra Nayak
2013-10-09 7:24 ` Paul Walmsley
2013-10-09 7:37 ` Rajendra Nayak
2013-10-09 8:19 ` Benoit Cousson
2013-10-09 8:49 ` Rajendra Nayak
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