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

From: Tim Kryger
Date: Wed Jan 08 2014 - 19:28:11 EST


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
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