/dts-v1/; /plugin/; / { compatible = "brcm,bcm2835"; fragment@0 { target = <&i2c_arm>; __overlay__ { #address-cells = <1>; #size-cells = <0>; status = "okay"; sc16is752: sc16is752@48 { compatible = "nxp,sc16is752"; reg = <0x48>; /* i2c address */ clocks = <&sc16is752_clk>; interrupt-parent = <&gpio>; interrupts = <24 2>; /* IRQ_TYPE_EDGE_FALLING */ gpio-controller; #gpio-cells = <2>; i2c-max-frequency = <400000>; }; }; }; fragment@1 { target-path = "/"; __overlay__ { sc16is752_clk: sc16is752_i2c_clk@48 { compatible = "fixed-clock"; #clock-cells = <0>; clock-frequency = <14745600>; }; }; }; __overrides__ { int_pin = <&sc16is752>,"interrupts:0"; addr = <&sc16is752>,"reg:0",<&sc16is752_clk>,"name"; xtal = <&sc16is752_clk>,"clock-frequency:0"; }; };