| Message ID | 20240723110146.3133155-1-alexander.stein@ew.tq-group.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [1/1] arm64: dts: imx8mm-tqma8mqml-mba8mx: Increase frequency for i2c busses | expand |
On Tue, Jul 23, 2024 at 01:01:46PM +0200, Alexander Stein wrote: > 100kHz is only needed for the USB Hub TUSB8041. But as this device is not > connected by default, the speed can be increased. > The other busses don't have any 100kHz only devices attached. > > Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> Applied, thanks!
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi index ca0205b9019e6..8f58c84e14c8e 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi @@ -83,7 +83,6 @@ &gpu_3d { }; &i2c1 { - clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c1>; pinctrl-1 = <&pinctrl_i2c1_gpio>; diff --git a/arch/arm64/boot/dts/freescale/mba8mx.dtsi b/arch/arm64/boot/dts/freescale/mba8mx.dtsi index 815241526a0d3..520702a465a40 100644 --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi @@ -237,7 +237,6 @@ expander1: gpio@24 { }; &i2c2 { - clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; pinctrl-1 = <&pinctrl_i2c2_gpio>; @@ -258,6 +257,11 @@ sensor1: temperator-sensor@1f { reg = <0x1f>; }; + /* + * TUSB8041 is at 0x41, but not connected by default + * Note: TUSB8041 only supports 100 kHz! + */ + eeprom3: eeprom@57 { compatible = "nxp,se97b", "atmel,24c02"; reg = <0x57>; @@ -274,7 +278,6 @@ pcieclk: clk@68 { }; &i2c3 { - clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; pinctrl-1 = <&pinctrl_i2c3_gpio>;
100kHz is only needed for the USB Hub TUSB8041. But as this device is not connected by default, the speed can be increased. The other busses don't have any 100kHz only devices attached. Signed-off-by: Alexander Stein <alexander.stein@ew.tq-group.com> --- arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 1 - arch/arm64/boot/dts/freescale/mba8mx.dtsi | 7 +++++-- 2 files changed, 5 insertions(+), 3 deletions(-)