1*4882a593SmuzhiyunEEPROM / CSR SMBus-slave interface of IDT 89HPESx devices 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun - compatible : should be "<manufacturer>,<type>" 5*4882a593Smuzhiyun Basically there is only one manufacturer: idt, but some 6*4882a593Smuzhiyun compatible devices may be produced in future. Following devices 7*4882a593Smuzhiyun are supported: 89hpes8nt2, 89hpes12nt3, 89hpes24nt6ag2, 8*4882a593Smuzhiyun 89hpes32nt8ag2, 89hpes32nt8bg2, 89hpes12nt12g2, 89hpes16nt16g2, 9*4882a593Smuzhiyun 89hpes24nt24g2, 89hpes32nt24ag2, 89hpes32nt24bg2; 10*4882a593Smuzhiyun 89hpes12n3, 89hpes12n3a, 89hpes24n3, 89hpes24n3a; 11*4882a593Smuzhiyun 89hpes32h8, 89hpes32h8g2, 89hpes48h12, 89hpes48h12g2, 12*4882a593Smuzhiyun 89hpes48h12ag2, 89hpes16h16, 89hpes22h16, 89hpes22h16g2, 13*4882a593Smuzhiyun 89hpes34h16, 89hpes34h16g2, 89hpes64h16, 89hpes64h16g2, 14*4882a593Smuzhiyun 89hpes64h16ag2; 15*4882a593Smuzhiyun 89hpes12t3g2, 89hpes24t3g2, 89hpes16t4, 89hpes4t4g2, 16*4882a593Smuzhiyun 89hpes10t4g2, 89hpes16t4g2, 89hpes16t4ag2, 89hpes5t5, 17*4882a593Smuzhiyun 89hpes6t5, 89hpes8t5, 89hpes8t5a, 89hpes24t6, 89hpes6t6g2, 18*4882a593Smuzhiyun 89hpes24t6g2, 89hpes16t7, 89hpes32t8, 89hpes32t8g2, 19*4882a593Smuzhiyun 89hpes48t12, 89hpes48t12g2. 20*4882a593Smuzhiyun - reg : I2C address of the IDT 89HPESx device. 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunOptionally there can be EEPROM-compatible subnode: 23*4882a593Smuzhiyun - compatible: There are five EEPROM devices supported: 24c32, 24c64, 24c128, 24*4882a593Smuzhiyun 24c256 and 24c512 differed by size. 25*4882a593Smuzhiyun - reg: Custom address of EEPROM device (If not specified IDT 89HPESx 26*4882a593Smuzhiyun (optional) device will try to communicate with EEPROM sited by default 27*4882a593Smuzhiyun address - 0x50) 28*4882a593Smuzhiyun - read-only : Parameterless property disables writes to the EEPROM 29*4882a593Smuzhiyun (optional) 30*4882a593Smuzhiyun 31*4882a593SmuzhiyunExample: 32*4882a593Smuzhiyun idt@60 { 33*4882a593Smuzhiyun compatible = "idt,89hpes32nt8ag2"; 34*4882a593Smuzhiyun reg = <0x74>; 35*4882a593Smuzhiyun #address-cells = <1>; 36*4882a593Smuzhiyun #size-cells = <0>; 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun eeprom@50 { 39*4882a593Smuzhiyun compatible = "onsemi,24c64"; 40*4882a593Smuzhiyun reg = <0x50>; 41*4882a593Smuzhiyun read-only; 42*4882a593Smuzhiyun }; 43*4882a593Smuzhiyun }; 44*4882a593Smuzhiyun 45