// SPDX-License-Identifier: GPL-2.0 /* * Common devices used in different OMAP boards */ / { elpida_ECB240ABACN: lpddr2 { compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4"; density = <2048>; io-width = <32>; tRPab-min-tck = <3>; tRCD-min-tck = <3>; tWR-min-tck = <3>; tRASmin-min-tck = <3>; tRRD-min-tck = <2>; tWTR-min-tck = <2>; tXP-min-tck = <2>; tRTP-min-tck = <2>; tCKE-min-tck = <3>; tCKESR-min-tck = <3>; tFAW-min-tck = <8>; timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 { compatible = "jedec,lpddr2-timings"; min-freq = <10000000>; max-freq = <400000000>; tRPab = <21000>; tRCD = <18000>; tWR = <15000>; tRAS-min = <42000>; tRRD = <10000>; tWTR = <7500>; tXP = <7500>; tRTP = <7500>; tCKESR = <15000>; tDQSCK-max = <5500>; tFAW = <50000>; tZQCS = <90000>; tZQCL = <360000>; tZQinit = <1000000>; tRAS-max-ns = <70000>; tDQSCK-max-derated = <6000>; }; timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 { compatible = "jedec,lpddr2-timings"; min-freq = <10000000>; max-freq = <200000000>; tRPab = <21000>; tRCD = <18000>; tWR = <15000>; tRAS-min = <42000>; tRRD = <10000>; tWTR = <10000>; tXP = <7500>; tRTP = <7500>; tCKESR = <15000>; tDQSCK-max = <5500>; tFAW = <50000>; tZQCS = <90000>; tZQCL = <360000>; tZQinit = <1000000>; tRAS-max-ns = <70000>; tDQSCK-max-derated = <6000>; }; }; };