Re: [PATCH] ARM: dts: Add exynos5422-odroidxu4 board

From: Krzysztof Kozlowski
Date: Tue Sep 01 2015 - 08:27:36 EST

W dniu 01.09.2015 o 21:18, Javier Martinez Canillas pisze:
> Hello Krzysztof,
> On 09/01/2015 02:00 PM, Krzysztof Kozlowski wrote:
>> W dniu 01.09.2015 o 17:48, Javier Martinez Canillas pisze:
> [snip]
>>>> &hsi2c_5 {
>>>> status = "okay";
>>> since I believe for the Odroid XU4 we would like this to be disabled.
>>> The only I2C device in this I2C bus is the max98090 codec which is
>>> not present in the XU4.
>> hsi2c_5 and i2s_0 are not used by board directly but are connected to
>> external connector:
>> This is the 12pin GPIO/I2C/I2S connector in bottom-right corner of board
>> view.
> Thanks for the info, I missed that.
>> This is why I left this and is2_0 enabled on Odroid XU4 - I assumed
>> someone may connect something to it. However I have doubts if it is
> Yes, now it makes sense.
>> usable in such state: without respective addresses and interrupts. In
>> the same time OF_OVERLAY should customize it properly.
>> What do you think?
> As you said, these are not usable in the current form since if someone
> wants to use it, has to add a dev node for the I2C device, possibly a
> clock-frequency to change the default operating frequency, etc.
> So has to either create a new DTS based on exynos5422-odroidxu4.dts or
> as you said use OF overlays. IMHO these should be left disabled and be
> enabled by users when adding the needed stuff.

Okay. I'll update the patch by moving entire hsi2c_5 node to audio DTSI
(including "okay") and i2s0 thus disabling them on XU4.

Best regards,

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