1*4882a593SmuzhiyunDevice-tree bindings for ColdFire offloaded gpio-based FSI master driver 2*4882a593Smuzhiyun------------------------------------------------------------------------ 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRequired properties: 5*4882a593Smuzhiyun - compatible = 6*4882a593Smuzhiyun "aspeed,ast2400-cf-fsi-master" for an AST2400 based system 7*4882a593Smuzhiyun or 8*4882a593Smuzhiyun "aspeed,ast2500-cf-fsi-master" for an AST2500 based system 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun - clock-gpios = <gpio-descriptor>; : GPIO for FSI clock 11*4882a593Smuzhiyun - data-gpios = <gpio-descriptor>; : GPIO for FSI data signal 12*4882a593Smuzhiyun - enable-gpios = <gpio-descriptor>; : GPIO for enable signal 13*4882a593Smuzhiyun - trans-gpios = <gpio-descriptor>; : GPIO for voltage translator enable 14*4882a593Smuzhiyun - mux-gpios = <gpio-descriptor>; : GPIO for pin multiplexing with other 15*4882a593Smuzhiyun functions (eg, external FSI masters) 16*4882a593Smuzhiyun - memory-region = <phandle>; : Reference to the reserved memory for 17*4882a593Smuzhiyun the ColdFire. Must be 2M aligned on 18*4882a593Smuzhiyun AST2400 and 1M aligned on AST2500 19*4882a593Smuzhiyun - aspeed,sram = <phandle>; : Reference to the SRAM node. 20*4882a593Smuzhiyun - aspeed,cvic = <phandle>; : Reference to the CVIC node. 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunExamples: 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun fsi-master { 25*4882a593Smuzhiyun compatible = "aspeed,ast2500-cf-fsi-master", "fsi-master"; 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun clock-gpios = <&gpio 0>; 28*4882a593Smuzhiyun data-gpios = <&gpio 1>; 29*4882a593Smuzhiyun enable-gpios = <&gpio 2>; 30*4882a593Smuzhiyun trans-gpios = <&gpio 3>; 31*4882a593Smuzhiyun mux-gpios = <&gpio 4>; 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun memory-region = <&coldfire_memory>; 34*4882a593Smuzhiyun aspeed,sram = <&sram>; 35*4882a593Smuzhiyun aspeed,cvic = <&cvic>; 36*4882a593Smuzhiyun } 37