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Current Path: /usr/src/sys/contrib/device-tree/Bindings/fsi

usr / src / sys / contrib / device-tree / Bindings / fsi /

📁 ..
📄 fsi-master-aspeed.txt(759 B)
📄 fsi-master-ast-cf.txt(1.34 KB)
📄 fsi-master-gpio.txt(1.02 KB)
📄 fsi.txt(5.08 KB)
📄 ibm,fsi2spi.yaml(796 B)
📄 ibm,p9-occ.txt(503 B)

Editing: fsi-master-gpio.txt

Device-tree bindings for gpio-based FSI master driver
-----------------------------------------------------

Required properties:
 - compatible = "fsi-master-gpio";
 - clock-gpios = <gpio-descriptor>;	: GPIO for FSI clock
 - data-gpios = <gpio-descriptor>;	: GPIO for FSI data signal

Optional properties:
 - enable-gpios = <gpio-descriptor>;	: GPIO for enable signal
 - trans-gpios = <gpio-descriptor>;	: GPIO for voltage translator enable
 - mux-gpios = <gpio-descriptor>;	: GPIO for pin multiplexing with other
                                          functions (eg, external FSI masters)
 - no-gpio-delays;			: Don't add extra delays between GPIO
                                          accesses. This is useful when the HW
					  GPIO block is running at a low enough
					  frequency.

Examples:

fsi-master {
        compatible = "fsi-master-gpio", "fsi-master";
        clock-gpios = <&gpio 0>;
        data-gpios = <&gpio 1>;
        enable-gpios = <&gpio 2>;
        trans-gpios = <&gpio 3>;
        mux-gpios = <&gpio 4>;
    }

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Editing: fsi-master-gpio.txt

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