Acked-by: Alistair Popple <alistair@xxxxxxxxxxxx> On Friday, 8 November 2019 4:19:42 PM AEDT Joel Stanley wrote: > This describes the FSI master present in the AST2600. > > Signed-off-by: Joel Stanley <joel@xxxxxxxxx> > --- > .../bindings/fsi/fsi-master-aspeed.txt | 24 +++++++++++++++++++ > 1 file changed, 24 insertions(+) > create mode 100644 Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt > > diff --git a/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt b/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt > new file mode 100644 > index 000000000000..b758f91914f7 > --- /dev/null > +++ b/Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt > @@ -0,0 +1,24 @@ > +Device-tree bindings for AST2600 FSI master > +------------------------------------------- > + > +The AST2600 contains two identical FSI masters. They share a clock and have a > +separate interrupt line and output pins. > + > +Required properties: > + - compatible: "aspeed,ast2600-fsi-master" > + - reg: base address and length > + - clocks: phandle and clock number > + - interrupts: platform dependent interrupt description > + - pinctrl-0: phandle to pinctrl node > + - pinctrl-names: pinctrl state > + > +Examples: > + > + fsi-master { > + compatible = "aspeed,ast2600-fsi-master", "fsi-master"; > + reg = <0x1e79b000 0x94>; > + interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_fsi1_default>; > + clocks = <&syscon ASPEED_CLK_GATE_FSICLK>; > + }; >