1 Device-tree bindings for gpio-based FSI master 1 Device-tree bindings for gpio-based FSI master driver
2 ---------------------------------------------- 2 -----------------------------------------------------
3 3
4 Required properties: 4 Required properties:
5 - compatible = "fsi-master-gpio"; 5 - compatible = "fsi-master-gpio";
6 - clock-gpios = <gpio-descriptor>; : GPIO 6 - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock
7 - data-gpios = <gpio-descriptor>; : GPIO 7 - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal
8 8
9 Optional properties: 9 Optional properties:
10 - enable-gpios = <gpio-descriptor>; : GPIO 10 - enable-gpios = <gpio-descriptor>; : GPIO for enable signal
11 - trans-gpios = <gpio-descriptor>; : GPIO 11 - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable
12 - mux-gpios = <gpio-descriptor>; : GPIO 12 - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other
13 func 13 functions (eg, external FSI masters)
14 - no-gpio-delays; : Don' <<
15 acce <<
16 GPIO <<
17 freq <<
18 14
19 Examples: 15 Examples:
20 16
21 fsi-master { 17 fsi-master {
22 compatible = "fsi-master-gpio", "fsi-m 18 compatible = "fsi-master-gpio", "fsi-master";
23 clock-gpios = <&gpio 0>; 19 clock-gpios = <&gpio 0>;
24 data-gpios = <&gpio 1>; 20 data-gpios = <&gpio 1>;
25 enable-gpios = <&gpio 2>; 21 enable-gpios = <&gpio 2>;
26 trans-gpios = <&gpio 3>; 22 trans-gpios = <&gpio 3>;
27 mux-gpios = <&gpio 4>; 23 mux-gpios = <&gpio 4>;
28 } 24 }
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