It allows to multiplex debug uart onto usb port, using i2c command.
Signed-off-by: Dzmitry Sankouski dsankouski@gmail.com
Cc: Caleb Connolly caleb.connolly@linaro.org Cc: Dzmitry Sankouski dsankouski@gmail.com Cc: Simon Glass sjg@chromium.org Cc: Sumit Garg sumit.garg@linaro.org Cc: Tom Rini trini@konsulko.com Cc: Vladimir Zapolskiy vladimir.zapolskiy@linaro.org ---
arch/arm/dts/starqltechn.dts | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/arch/arm/dts/starqltechn.dts b/arch/arm/dts/starqltechn.dts index 539c1b51ca..5b04c3219d 100644 --- a/arch/arm/dts/starqltechn.dts +++ b/arch/arm/dts/starqltechn.dts @@ -23,6 +23,16 @@ stdout-path = "serial0:921600n8"; };
+ i2c14 { + compatible = "i2c-gpio"; + pinctrl-names = "default"; + pinctrl-0 = <&muic_i2c>; + scl-gpios = <&tlmm 34 0>; + sda-gpios = <&tlmm 33 0>; + i2c-gpio,delay-us = <2>; + status = "okay"; + }; + memory@80000000 { device_type = "memory"; reg = <0 0x80000000 0 0xfe1c0000>; @@ -59,7 +69,7 @@ };
&tlmm { - muic-i2c-n { + muic_i2c: muic-i2c-n { pins = "gpio33", "gpio34"; drive-strength = <0x2>; function = "gpio";