fsi-master-aspeed.txt

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    1 Device-tree bindings for AST2600 FSI master
    2 -------------------------------------------
    3 
    4 The AST2600 contains two identical FSI masters. They share a clock and have a
    5 separate interrupt line and output pins.
    6 
    7 Required properties:
    8  - compatible: "aspeed,ast2600-fsi-master"
    9  - reg: base address and length
   10  - clocks: phandle and clock number
   11  - interrupts: platform dependent interrupt description
   12  - pinctrl-0: phandle to pinctrl node
   13  - pinctrl-names: pinctrl state
   14 
   15 Optional properties:
   16  - cfam-reset-gpios: GPIO for CFAM reset
   17 
   18  - fsi-routing-gpios: GPIO for setting the FSI mux (internal or cabled)
   19  - fsi-mux-gpios: GPIO for detecting the desired FSI mux state
   20 
   21 
   22 Examples:
   23 
   24     fsi-master {
   25         compatible = "aspeed,ast2600-fsi-master", "fsi-master";
   26         reg = <0x1e79b000 0x94>;
   27         interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
   28         pinctrl-names = "default";
   29         pinctrl-0 = <&pinctrl_fsi1_default>;
   30         clocks = <&syscon ASPEED_CLK_GATE_FSICLK>;
   31 
   32         fsi-routing-gpios = <&gpio0 ASPEED_GPIO(Q, 7) GPIO_ACTIVE_HIGH>;
   33         fsi-mux-gpios = <&gpio0 ASPEED_GPIO(B, 0) GPIO_ACTIVE_HIGH>;
   34 
   35         cfam-reset-gpios = <&gpio0 ASPEED_GPIO(Q, 0) GPIO_ACTIVE_LOW>;
   36     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/fsi/fsi-master-aspeed.txt

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/fsi/fsi-master-aspeed.txt