This adds a SPI controller to the Microchip Sparx5 SoC, as well as the SPI bus interface mux, which may optionally be needed for selecting between alternate SPI bus segments (SPI/SPI2). Signed-off-by: Lars Povlsen <lars.povlsen@xxxxxxxxxxxxx> --- arch/arm64/boot/dts/microchip/sparx5.dtsi | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi index 7e811e24f0e99..2831935a489e1 100644 --- a/arch/arm64/boot/dts/microchip/sparx5.dtsi +++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi @@ -14,6 +14,8 @@ / { #size-cells = <1>; aliases { + mux = &mux; + spi0 = &spi0; serial0 = &uart0; serial1 = &uart1; }; @@ -155,6 +157,27 @@ uart1: serial@600102000 { status = "disabled"; }; + mux: mux-controller { + compatible = "microchip,sparx5-spi-mux"; + #address-cells = <1>; + #size-cells = <0>; + #mux-control-cells = <0>; + }; + + spi0: spi@600104000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "microchip,sparx5-spi"; + reg = <0x6 0x00104000 0x40>; + num-cs = <16>; + reg-io-width = <4>; + reg-shift = <2>; + clocks = <&ahb_clk>; + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>; + mux-controls = <&mux>; + status = "disabled"; + }; + timer1: timer@600105000 { compatible = "snps,dw-apb-timer"; reg = <0x6 0x00105000 0x1000>; -- 2.27.0