[fedora-arm] Re: what do i have to do to enable spi on fedora 27 on a raspberry pi

for the sake of completeness:

diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi index 9d293decf8d3..d32d4861c98d 100644 --- a/arch/arm/boot/dts/bcm283x.dtsi +++ b/arch/arm/boot/dts/bcm283x.dtsi @@ -26,2 +26,3 @@ serial1 = &uart1; + ethernet1 = &eth1; }; @@ -375,2 +377,15 @@ }; + spi0_pins: spi0_pins { + brcm,pins = <9 10 11>; + brcm,function = <BCM2835_FSEL_ALT0>; + }; + spi0_cs_pins: spi0_cs_pins { + brcm,pins = <8 7>; + brcm,function = <BCM2835_FSEL_GPIO_OUT>; + }; + eth1_pins: eth1_pins { + brcm,pins = <25>; + brcm,function = <BCM2835_FSEL_GPIO_IN>; + brcm,pull = <BCM2835_PUD_OFF>; + }; }; @@ -415,3 +430,17 @@ #size-cells = <0>; - status = "disabled"; + status = "okay"; + dmas = <&dma 6>, <&dma 7>; + dma-names = "tx", "rx"; + pinctrl-names = "default"; + pinctrl-0 = <&spi0_pins &spi0_cs_pins>; + cs-gpios = <&gpio 8 GPIO_ACTIVE_LOW>, <&gpio 7 GPIO_ACTIVE_LOW>; + eth1: enc28j60@0 { + compatible = "microchip,enc28j60"; + reg = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&eth1_pins>; + interrupt-parent = <&gpio>; + interrupts = <25 IRQ_TYPE_EDGE_FALLING>; + spi-max-frequency = <24000000>; + }; };

$CPP -I../../../../include -E -P -x assembler-with-cpp bcm2837-rpi-3-b.dts | dtc -I dts -O dtb -o bcm2837-rpi-3-b.dtb -