Usage: barebox$ make sandbox_defconfig barebox$ sed -i "s/# CONFIG_GPIO_LIBFTDI1.*$/CONFIG_GPIO_LIBFTDI1=y/" .config # edit arch/sandbox/dts/sandbox.dts if necessary barebox$ make barebox$ sudo ./barebox -d arch/sandbox/dts/sandbox.dtb Signed-off-by: Antony Pavlov <antonynpavlov@xxxxxxxxx> --- arch/sandbox/dts/sandbox.dts | 47 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts index 2595aa13fa..44c7f92237 100644 --- a/arch/sandbox/dts/sandbox.dts +++ b/arch/sandbox/dts/sandbox.dts @@ -1,7 +1,54 @@ /dts-v1/; #include "skeleton.dtsi" +#include <dt-bindings/gpio/gpio.h> / { + gpio0: gpio@0 { + compatible = "barebox,libftdi1-gpio"; + /* use ACBUS[7:0] */ + gpio-controller; + #gpio-cells = <2>; + status = "okay"; + }; + spi0 { + compatible = "spi-gpio"; + #address-cells = <1>; + #size-cells = <0>; + gpio-sck = <&gpio0 0 GPIO_ACTIVE_HIGH>; + gpio-mosi = <&gpio0 1 GPIO_ACTIVE_HIGH>; + gpio-miso = <&gpio0 2 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpio0 3 GPIO_ACTIVE_HIGH>; + + num-chipselects = <1>; + + status = "disabled"; + + m25p128@0 { + compatible = "m25p128", "jedec,spi-nor"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0>; + spi-max-frequency = <1000000>; + }; + }; + + i2c0: i2c0 { + compatible = "i2c-gpio"; + gpios = <&gpio0 4 GPIO_ACTIVE_HIGH /* sda */ + &gpio0 5 GPIO_ACTIVE_HIGH /* scl */ + >; + i2c-gpio,sda-open-drain; + i2c-gpio,scl-open-drain; + #address-cells = <1>; + #size-cells = <0>; + + status = "disabled"; + + eeprom: eeprom@50 { + compatible = "atmel,24c32"; + reg = <0x50>; + }; + }; }; -- 2.14.1 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox