&i2c_3 status = "okay"; clock-frequency = <400000>; pinctrl-names = "default"; pinctrl-0 = <&i2c_3_default>; iommus = <&apps_smmu 0x1040 0x0>; power-domains = <&rpmpd MSM8953_VDDCX>; ;
Protecting memory regions during DMA (Direct Memory Access). msm8953 for arm64 driver high quality