[Letux-kernel] [PATCH v2] letux-cortex15: Set hub reset to be active low

David Shah dave at ds0.me
Sat Jul 25 17:54:11 CEST 2020


For initialisation to be reliable, the hub must also be kept in reset
by U-boot before the kernel starts: 
https://dev.pyra-handheld.com/kernel/pyra-uboot/-/merge_requests/6

On Sat, 2020-07-25 at 16:52 +0100, David Shah wrote:
> Signed-off-by: David Shah <dave at ds0.me>
> ---
>  arch/arm/boot/dts/omap5-letux-cortex15-common.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/omap5-letux-cortex15-common.dtsi
> b/arch/arm/boot/dts/omap5-letux-cortex15-common.dtsi
> index d59d9fd4c8af..1ce4a3c3bfac 100644
> --- a/arch/arm/boot/dts/omap5-letux-cortex15-common.dtsi
> +++ b/arch/arm/boot/dts/omap5-letux-cortex15-common.dtsi
> @@ -157,7 +157,7 @@ usb3503 at 8 {
>  		compatible = "smsc,usb3503";
>  		reg = <0x08>;
>  		intn-gpios = <&gpio3 14 GPIO_ACTIVE_HIGH>;	//
> gpio3_78 interrupt
> -		reset-gpios = <&gpio3 16 GPIO_ACTIVE_HIGH>;	//
> gpio3_80 reset
> +		reset-gpios = <&gpio3 16 GPIO_ACTIVE_LOW>;	//
> gpio3_80 reset
>  		initial-mode = <1>;
>  	};
>  



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