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Signed-off-by: Robert Nelson <[email protected]>
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| // 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>; | ||
| }; | ||
| }; | ||
| }; |
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