1/* 2 * Common devices used in different OMAP boards 3 */ 4 5/ { 6 elpida_ECB240ABACN: lpddr2 { 7 compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4"; 8 density = <2048>; 9 io-width = <32>; 10 11 tRPab-min-tck = <3>; 12 tRCD-min-tck = <3>; 13 tWR-min-tck = <3>; 14 tRASmin-min-tck = <3>; 15 tRRD-min-tck = <2>; 16 tWTR-min-tck = <2>; 17 tXP-min-tck = <2>; 18 tRTP-min-tck = <2>; 19 tCKE-min-tck = <3>; 20 tCKESR-min-tck = <3>; 21 tFAW-min-tck = <8>; 22 23 timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 { 24 compatible = "jedec,lpddr2-timings"; 25 min-freq = <10000000>; 26 max-freq = <400000000>; 27 tRPab = <21000>; 28 tRCD = <18000>; 29 tWR = <15000>; 30 tRAS-min = <42000>; 31 tRRD = <10000>; 32 tWTR = <7500>; 33 tXP = <7500>; 34 tRTP = <7500>; 35 tCKESR = <15000>; 36 tDQSCK-max = <5500>; 37 tFAW = <50000>; 38 tZQCS = <90000>; 39 tZQCL = <360000>; 40 tZQinit = <1000000>; 41 tRAS-max-ns = <70000>; 42 tDQSCK-max-derated = <6000>; 43 }; 44 45 timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 { 46 compatible = "jedec,lpddr2-timings"; 47 min-freq = <10000000>; 48 max-freq = <200000000>; 49 tRPab = <21000>; 50 tRCD = <18000>; 51 tWR = <15000>; 52 tRAS-min = <42000>; 53 tRRD = <10000>; 54 tWTR = <10000>; 55 tXP = <7500>; 56 tRTP = <7500>; 57 tCKESR = <15000>; 58 tDQSCK-max = <5500>; 59 tFAW = <50000>; 60 tZQCS = <90000>; 61 tZQCL = <360000>; 62 tZQinit = <1000000>; 63 tRAS-max-ns = <70000>; 64 tDQSCK-max-derated = <6000>; 65 }; 66 }; 67}; 68