// 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>; | |
}; | |
}; | |
}; |