From be9885cee34eba3d40f8bb9d9166fe746eff5feb Mon Sep 17 00:00:00 2001 From: Alexander Stein Date: Tue, 23 Jul 2024 13:01:46 +0200 Subject: [PATCH] arm64: dts: imx8mm-tqma8mqml-mba8mx: Increase frequency for i2c busses 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 Signed-off-by: Shawn Guo --- arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi | 1 - arch/arm64/boot/dts/freescale/mba8mx.dtsi | 7 +++++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi index ca0205b9019e..8f58c84e14c8 100644 --- a/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mm-tqma8mqml.dtsi @@ -83,7 +83,6 @@ }; &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 815241526a0d..520702a465a4 100644 --- a/arch/arm64/boot/dts/freescale/mba8mx.dtsi +++ b/arch/arm64/boot/dts/freescale/mba8mx.dtsi @@ -237,7 +237,6 @@ }; &i2c2 { - clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c2>; pinctrl-1 = <&pinctrl_i2c2_gpio>; @@ -258,6 +257,11 @@ 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 @@ }; &i2c3 { - clock-frequency = <100000>; pinctrl-names = "default", "gpio"; pinctrl-0 = <&pinctrl_i2c3>; pinctrl-1 = <&pinctrl_i2c3_gpio>; -- 2.25.1