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| author | Joel Stanley <joel@jms.id.au> | 2019-11-08 15:49:42 +1030 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-08 11:28:20 +0100 |
| commit | cccaa160c37639ea7d71c59a56a276264110ed62 (patch) | |
| tree | 6b1c31100f3a7b18c1ad39e792bfd6c8be868b32 | |
| parent | 8bcd06d0cb3d991b45231cf22c467759b11f18aa (diff) | |
dt-bindings: fsi: Add description of FSI master
This describes the FSI master present in the AST2600.
Signed-off-by: Joel Stanley <joel@jms.id.au>
Acked-by: Alistair Popple <alistair@popple.id.au>
Link: https://lore.kernel.org/r/20191108051945.7109-9-joel@jms.id.au
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | Documentation/devicetree/bindings/fsi/fsi-master-aspeed.txt | 24 |
1 files changed, 24 insertions, 0 deletions
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>; + }; |