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

Nishanth Menon nm at ti.com
Thu Sep 1 07:09:33 PDT 2016


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.

-- 
Regards,
Nishanth Menon



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