| Message ID | 1477503811-32697-1-git-send-email-yurovsky@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On 26/10/2016 at 10:43:31 -0700, Andrey Yurovsky wrote : > The AT91SAM9G20 has different clock divisors from the otherwise similar > AT91SAM9260. Set them in at91sam9g20.dtsi so that all AT91SAM9G20 users set up > the USB host controller clocks correctly. > > Signed-off-by: Andrey Yurovsky <yurovsky@gmail.com> > --- > arch/arm/boot/dts/at91sam9g20.dtsi | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi > index f593016..6c4488c 100644 > --- a/arch/arm/boot/dts/at91sam9g20.dtsi > +++ b/arch/arm/boot/dts/at91sam9g20.dtsi > @@ -62,6 +62,10 @@ > atmel,clk-output-range = <0 133000000>; > atmel,clk-divisors = <1 2 4 6>; > }; > + > + usb: usbck { > + atmel,clk-divisors = <4 2 0 0>; > + }; Actually, I had a look at the datasheet and it still says the divisors are 1, 2 and 4. There are existing board using USB and those divisors. Can someone at Atmel confirm?
diff --git a/arch/arm/boot/dts/at91sam9g20.dtsi b/arch/arm/boot/dts/at91sam9g20.dtsi index f593016..6c4488c 100644 --- a/arch/arm/boot/dts/at91sam9g20.dtsi +++ b/arch/arm/boot/dts/at91sam9g20.dtsi @@ -62,6 +62,10 @@ atmel,clk-output-range = <0 133000000>; atmel,clk-divisors = <1 2 4 6>; }; + + usb: usbck { + atmel,clk-divisors = <4 2 0 0>; + }; }; }; };
The AT91SAM9G20 has different clock divisors from the otherwise similar AT91SAM9260. Set them in at91sam9g20.dtsi so that all AT91SAM9G20 users set up the USB host controller clocks correctly. Signed-off-by: Andrey Yurovsky <yurovsky@gmail.com> --- arch/arm/boot/dts/at91sam9g20.dtsi | 4 ++++ 1 file changed, 4 insertions(+)