/**********************************************************************/ /* WARNING: */ /* This file and the resulting dtb installed to the rootfs will be */ /* IGNORED unless you edit config.txt on the boot partition and */ /* remove the fw_dtb argument from cmdline.txt! */ /**********************************************************************/ /* miniuart-bt-overlay to fix serial console on CM4 */ &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_pins>; status = "okay"; }; &bt { status = "disabled"; }; &uart1 { pinctrl-names = "default"; pinctrl-0 = <&uart1_pins &bt_pins &fake_bt_cts>; status = "okay"; }; &uart0_pins { brcm,pins; brcm,function; brcm,pull; }; &uart1_pins { brcm,pins = <32 33>; brcm,function = <2>; /* alt5=UART1 */ brcm,pull = <0 2>; }; &gpio { fake_bt_cts: fake_bt_cts { brcm,pins = <31>; brcm,function = <1>; /* output */ }; }; / { aliases { serial0 = "/soc/serial@7e201000"; serial1 = "/soc/serial@7e215040"; }; __overrides__ { krnbt = <&minibt>,"status"; }; }; /* otg_mode=1 */ &usb { status = "disabled"; }; &xhci { status = "okay"; };