Am 26.08.2014 09:30, schrieb Sjoerd Simons:
> In case the optional dr_mode property isn't set in the dwc3 nodes the
> the controller will go into OTG mode iff both USB host and USB gadget
> functionality are enabled in the kernel configuration. Unfortunately this
> results in USB not working on exynos5420-peach-pit and
> exynos5800-peach-pi with such a kernel configuration unless manually
> change the mode. To resolve that explicitely configure the dual role

"explicitly"

> mode as host
> 
> Signed-off-by: Sjoerd Simons <[email protected]>
> ---
>   Changes in v2: alphabetically sort the dts entries
> 
>  arch/arm/boot/dts/exynos5420-peach-pit.dts | 8 ++++++++
>  arch/arm/boot/dts/exynos5420.dtsi          | 4 ++--
>  arch/arm/boot/dts/exynos5800-peach-pi.dts  | 8 ++++++++
>  3 files changed, 18 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/exynos5420-peach-pit.dts 
> b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> index 228a6b1..29d3a59 100644
> --- a/arch/arm/boot/dts/exynos5420-peach-pit.dts
> +++ b/arch/arm/boot/dts/exynos5420-peach-pit.dts
> @@ -427,6 +427,14 @@
>       status = "okay";
>  };
>  
> +&usbdrd_dwc3_0 {
> +     dr_mode = "host";
> +};
> +
> +&usbdrd_dwc3_1 {
> +     dr_mode = "host";
> +};
> +
>  &usbdrd_phy0 {
>       vbus-supply = <&usb300_vbus_reg>;
>  };
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi 
> b/arch/arm/boot/dts/exynos5420.dtsi
> index bfe056d..8617a03 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -815,7 +815,7 @@
>               #size-cells = <1>;
>               ranges;
>  
> -             dwc3 {
> +             usbdrd_dwc3_0: dwc3 {
>                       compatible = "snps,dwc3";
>                       reg = <0x12000000 0x10000>;
>                       interrupts = <0 72 0>;
> @@ -841,7 +841,7 @@
>               #size-cells = <1>;
>               ranges;
>  
> -             dwc3 {
> +             usbdrd_dwc3_1: dwc3 {
>                       compatible = "snps,dwc3";
>                       reg = <0x12400000 0x10000>;
>                       interrupts = <0 73 0>;
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts 
> b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index f3ee48b..2064550 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -425,6 +425,14 @@
>       status = "okay";
>  };
>  
> +&usbdrd_dwc3_0 {
> +     dr_mode = "host";
> +};
> +
> +&usbdrd_dwc3_1 {
> +     dr_mode = "host";
> +};
> +
>  &usbdrd_phy0 {
>       vbus-supply = <&usb300_vbus_reg>;
>  };

Thanks,

Reviewed-by: Andreas Färber <[email protected]>

Andreas

-- 
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
--
To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to