Re: [RESEND PATCH] ARM: dts: bcm28155-ap: Fix Card Detection GPIO

From: Tim Kryger
Date: Fri Jan 24 2014 - 13:48:46 EST


On Wed, Jan 8, 2014 at 4:54 PM, Christian Daudt <bcm@xxxxxxxxxxxxx> wrote:
> On Wed, Jan 8, 2014 at 4:28 PM, Tim Kryger <tim.kryger@xxxxxxxxxx> wrote:
>> On Wed, Jan 8, 2014 at 3:38 PM, Christian Daudt <bcm@xxxxxxxxxxxxx> wrote:
>>> On Tue, Jan 7, 2014 at 10:53 AM, Tim Kryger <tim.kryger@xxxxxxxxxx> wrote:
>>>> The board schematic states that the "SD_CARD_DET_N gets pulled to GND
>>>> when card is inserted" so the polarity has been updated to active low.
>>>>
>>>> Polarity is now specified with a GPIO define instead of a magic number.
>>>>
>>>> Signed-off-by: Tim Kryger <tim.kryger@xxxxxxxxxx>
>>>> Reviewed-by: Matt Porter <matt.porter@xxxxxxxxxx>
>>>> ---
>>>> arch/arm/boot/dts/bcm28155-ap.dts | 4 +++-
>>>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>>>
>>>> diff --git a/arch/arm/boot/dts/bcm28155-ap.dts b/arch/arm/boot/dts/bcm28155-ap.dts
>>>> index 08e47c2..27dd110 100644
>>>> --- a/arch/arm/boot/dts/bcm28155-ap.dts
>>>> +++ b/arch/arm/boot/dts/bcm28155-ap.dts
>>>> @@ -13,6 +13,8 @@
>>>>
>>>> /dts-v1/;
>>>>
>>>> +#include <dt-bindings/gpio/gpio.h>
>>>> +
>>>> #include "bcm11351.dtsi"
>>>>
>>>> / {
>>>> @@ -40,7 +42,7 @@
>>>>
>>>> sdio4: sdio@3f1b0000 {
>>>> max-frequency = <48000000>;
>>>> - cd-gpios = <&gpio 14 0>;
>>>> + cd-gpios = <&gpio 14 GPIO_ACTIVE_LOW>;
>>>> status = "okay";
>>>> };
>>>> };
>>>> --
>>>> 1.8.0.1
>>>>
>>> Tim,
>>> Does bcm11351-brt not also suffer from the same bug? If it does can
>>> you pls update the patch to also fix it?
>>>
>>> Thanks,
>>> csd
>>
>> The BRT and AP boards are similar so it may have the same problem but
>> I don't have a BRT and wouldn't be able to test any changes to its DTS
>> file.
>>
>> -Tim
>
> [sorry for the resend for those that get it twice]
> Agreed - it's time that dts file go away. In this case:
> Acked-by: Christian Daudt <bcm@xxxxxxxxxxxxx>
>
> Olof - can you pls pull in this patch. This is the bugfix that was
> discussed in irc earlier today.
>
> thanks,
> csd

Christian,

I'm not sure Olof saw your reply. Olof and Kevin are now on CC.

Thanks,
Tim Kryger
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