| Tero Kristo | 9bae57e | 2020-06-16 11:03:05 +0300 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 2 | /* |
| 3 | * Common devices used in different OMAP boards |
| 4 | */ |
| 5 | |
| 6 | / { |
| 7 | elpida_ECB240ABACN: lpddr2 { |
| 8 | compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4"; |
| 9 | density = <2048>; |
| 10 | io-width = <32>; |
| 11 | |
| 12 | tRPab-min-tck = <3>; |
| 13 | tRCD-min-tck = <3>; |
| 14 | tWR-min-tck = <3>; |
| 15 | tRASmin-min-tck = <3>; |
| 16 | tRRD-min-tck = <2>; |
| 17 | tWTR-min-tck = <2>; |
| 18 | tXP-min-tck = <2>; |
| 19 | tRTP-min-tck = <2>; |
| 20 | tCKE-min-tck = <3>; |
| 21 | tCKESR-min-tck = <3>; |
| 22 | tFAW-min-tck = <8>; |
| 23 | |
| 24 | timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 { |
| 25 | compatible = "jedec,lpddr2-timings"; |
| 26 | min-freq = <10000000>; |
| 27 | max-freq = <400000000>; |
| 28 | tRPab = <21000>; |
| 29 | tRCD = <18000>; |
| 30 | tWR = <15000>; |
| 31 | tRAS-min = <42000>; |
| 32 | tRRD = <10000>; |
| 33 | tWTR = <7500>; |
| 34 | tXP = <7500>; |
| 35 | tRTP = <7500>; |
| 36 | tCKESR = <15000>; |
| 37 | tDQSCK-max = <5500>; |
| 38 | tFAW = <50000>; |
| 39 | tZQCS = <90000>; |
| 40 | tZQCL = <360000>; |
| 41 | tZQinit = <1000000>; |
| 42 | tRAS-max-ns = <70000>; |
| 43 | tDQSCK-max-derated = <6000>; |
| 44 | }; |
| 45 | |
| 46 | timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 { |
| 47 | compatible = "jedec,lpddr2-timings"; |
| 48 | min-freq = <10000000>; |
| 49 | max-freq = <200000000>; |
| 50 | tRPab = <21000>; |
| 51 | tRCD = <18000>; |
| 52 | tWR = <15000>; |
| 53 | tRAS-min = <42000>; |
| 54 | tRRD = <10000>; |
| 55 | tWTR = <10000>; |
| 56 | tXP = <7500>; |
| 57 | tRTP = <7500>; |
| 58 | tCKESR = <15000>; |
| 59 | tDQSCK-max = <5500>; |
| 60 | tFAW = <50000>; |
| 61 | tZQCS = <90000>; |
| 62 | tZQCL = <360000>; |
| 63 | tZQinit = <1000000>; |
| 64 | tRAS-max-ns = <70000>; |
| 65 | tDQSCK-max-derated = <6000>; |
| 66 | }; |
| 67 | }; |
| 68 | }; |