[PATCH 1/2] ARM: dts: exynos: Add dwc3 SUSPHY quirk

Robin Murphy robin.murphy at arm.com
Tue Sep 19 11:10:00 PDT 2017


On 19/09/17 18:40, Krzysztof Kozlowski wrote:
> On Mon, Sep 18, 2017 at 12:02:13PM +0200, Andrzej Pietrasiewicz wrote:
>> Odroid XU4 board does not enumerate SuperSpeed devices.
>> This patch makes exynos5 series chips use USB SUSPHY quirk,
>> which solves the problem.
>>
>> Signed-off-by: Andrzej Pietrasiewicz <andrzej.p at samsung.com>
>> ---
>>  arch/arm/boot/dts/exynos54xx.dtsi | 2 ++
>>  1 file changed, 2 insertions(+)
> 
> Makes sense to me... was it tested also on XU3 and XU?

Well, it at least doesn't make USB3 on my XU any more or less broken
than it was before ;) (both ports still report an over-current condition
even with nothing plugged in - I suspect there's probably still some
pinctrl/regulator stuff missing)

Robin.

> 
> Best regards,
> Krzysztof
> 
>>
>> diff --git a/arch/arm/boot/dts/exynos54xx.dtsi b/arch/arm/boot/dts/exynos54xx.dtsi
>> index 0389e8a..8ca4fef 100644
>> --- a/arch/arm/boot/dts/exynos54xx.dtsi
>> +++ b/arch/arm/boot/dts/exynos54xx.dtsi
>> @@ -134,6 +134,7 @@
>>  				interrupts = <GIC_SPI 72 IRQ_TYPE_LEVEL_HIGH>;
>>  				phys = <&usbdrd_phy0 0>, <&usbdrd_phy0 1>;
>>  				phy-names = "usb2-phy", "usb3-phy";
>> +				snps,dis_u3_susphy_quirk;
>>  			};
>>  		};
>>  
>> @@ -154,6 +155,7 @@
>>  				reg = <0x12400000 0x10000>;
>>  				phys = <&usbdrd_phy1 0>, <&usbdrd_phy1 1>;
>>  				phy-names = "usb2-phy", "usb3-phy";
>> +				snps,dis_u3_susphy_quirk;
>>  			};
>>  		};
>>  
>> -- 
>> 1.9.1
>>
> 
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