[PATCH] ARM: dts: am57xx-beagle-x15: fix HDMI LS_OE GPIO

[Nishanth Menon]

On 09/01/2016 09:12 AM, Robert Nelson wrote:
> On Thu, Sep 1, 2016 at 9:09 AM, Nishanth Menon <nm at ti.com> wrote:
>> On 09/01/2016 08:51 AM, Tomi Valkeinen wrote:
>>>
>>> LS_OE GPIO was changed from gpio6_28 to gpio2_30 for the Rev B1 board,
>>> and the current .dts file has the old GPIO.
>>>
>>> Rev B1 is the earliest board supported, so we can just change the .dts.
>>>
>>> This fixes "omapdss error: HDMI I2C Master Error" which causes failure
>>> to read EDID from the monitor.
>>>
>>> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
>>> ---
>>>  arch/arm/boot/dts/am57xx-beagle-x15.dts | 2 +-
>>>  1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/arch/arm/boot/dts/am57xx-beagle-x15.dts
>>> b/arch/arm/boot/dts/am57xx-beagle-x15.dts
>>> index c4d04c5293b9..07603d9e2da7 100644
>>> --- a/arch/arm/boot/dts/am57xx-beagle-x15.dts
>>> +++ b/arch/arm/boot/dts/am57xx-beagle-x15.dts
>>> @@ -120,7 +120,7 @@
>>>                 pinctrl-0 = <&tpd12s015_pins>;
>>>
>>>                 gpios = <&gpio7 10 GPIO_ACTIVE_HIGH>,   /* gpio7_10, CT CP
>>> HPD */
>>> -                       <&gpio6 28 GPIO_ACTIVE_HIGH>,   /* gpio6_28, LS OE
>>> */
>>> +                       <&gpio2 30 GPIO_ACTIVE_HIGH>,   /* gpio2_30, LS OE
>>> */
>>>                         <&gpio7 12 GPIO_ACTIVE_HIGH>;   /*
>>> gpio7_12/sp1_cs2, HPD */
>>>
>>>                 ports {
>>>
>>
>> I believe we have A2s being shipped as well. we dont want to break A2s
>> either -> I propose we refactor the dts to introduce revb1 X15.
>
> There are at-least 200 A2's that have been shipped to end users.
>
> http://uk.rs-online.com/web/p/processor-microcontroller-development-kits/8874764/


Thanks. Tomi: if you are ok - I already do have a refactoring code 
from older kernel. I will rebase to latest and repost.

Tony: is there a branch youd' like me to base the changes on?


-- 
Regards,
Nishanth Menon