Message ID | E1iVvuv-0002sk-Sw@rmk-PC.armlinux.org.uk (mailing list archive) |
---|---|
State | Mainlined |
Commit | fe3ec631a77ded87817f449691710a436a80caa7 |
Headers | show |
Series | [1/2] arm64: dts: uDPU: fix broken ethernet | expand |
Russell King <rmk+kernel@armlinux.org.uk> writes: > The I2C bus violates the timing specifications when run in fast mode > on the uDPU, so switch to 100kHz mode. > > Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> Applied on mvebu/dt64 Thanks, Gregory > --- > arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > index e31813a4f972..2ac1d9ae1e25 100644 > --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts > @@ -119,12 +119,14 @@ > status = "okay"; > pinctrl-names = "default"; > pinctrl-0 = <&i2c1_pins>; > + /delete-property/mrvl,i2c-fast-mode; > }; > > &i2c1 { > status = "okay"; > pinctrl-names = "default"; > pinctrl-0 = <&i2c2_pins>; > + /delete-property/mrvl,i2c-fast-mode; > > lm75@48 { > status = "okay"; > -- > 2.20.1 >
diff --git a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts index e31813a4f972..2ac1d9ae1e25 100644 --- a/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts +++ b/arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts @@ -119,12 +119,14 @@ status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&i2c1_pins>; + /delete-property/mrvl,i2c-fast-mode; }; &i2c1 { status = "okay"; pinctrl-names = "default"; pinctrl-0 = <&i2c2_pins>; + /delete-property/mrvl,i2c-fast-mode; lm75@48 { status = "okay";
The I2C bus violates the timing specifications when run in fast mode on the uDPU, so switch to 100kHz mode. Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk> --- arch/arm64/boot/dts/marvell/armada-3720-uDPU.dts | 2 ++ 1 file changed, 2 insertions(+)