It's required to mux the GPIOs to a correct function to make sure the I2C host can communicate with the devices on the other end. Ensure that happens. Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> --- arch/arm64/boot/dts/qcom/sm6375.dtsi | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sm6375.dtsi b/arch/arm64/boot/dts/qcom/sm6375.dtsi index 4364b144eb93..b79908d969c7 100644 --- a/arch/arm64/boot/dts/qcom/sm6375.dtsi +++ b/arch/arm64/boot/dts/qcom/sm6375.dtsi @@ -875,6 +875,13 @@ qup_i2c2_default: qup-i2c2-default-state { bias-pull-up; }; + qup_i2c7_default: qup-i2c7-default-state { + pins = "gpio27", "gpio28"; + function = "qup11_f1"; + drive-strength = <2>; + bias-pull-up; + }; + qup_i2c8_default: qup-i2c8-default-state { pins = "gpio19", "gpio20"; /* TLMM, GCC and vendor DT all have different indices.. */ @@ -1220,6 +1227,8 @@ i2c7: i2c@4c84000 { clock-names = "se"; clocks = <&gcc GCC_QUPV3_WRAP1_S1_CLK>; interrupts = <GIC_SPI 508 IRQ_TYPE_LEVEL_HIGH>; + pinctrl-0 = <&qup_i2c7_default>; + pinctrl-names = "default"; dmas = <&gpi_dma1 0 1 QCOM_GPI_I2C>, <&gpi_dma1 1 1 QCOM_GPI_I2C>; dma-names = "tx", "rx"; -- 2.41.0