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ARM: dts: omap5-evm: LPDDR2 memory device details for EVM
Samsung's K3PE0E000B memory part is used in OMAP5-evm board. Adding timings and geometry details for Samsung's memory part and attaching the same to device-handle of EMIF1/2. Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com> Signed-off-by: Benoit Cousson <b-cousson@ti.com>
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Lokesh Vutla
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Benoit Cousson
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Nov 5, 2012
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| /* | ||
| * Timings and Geometry for Samsung K3PE0E000B memory part | ||
| */ | ||
|
|
||
| / { | ||
| samsung_K3PE0E000B: lpddr2 { | ||
| compatible = "Samsung,K3PE0E000B","jedec,lpddr2-s4"; | ||
| density = <4096>; | ||
| 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_samsung_K3PE0E000B_533MHz: lpddr2-timings@0 { | ||
| compatible = "jedec,lpddr2-timings"; | ||
| min-freq = <10000000>; | ||
| max-freq = <533333333>; | ||
| 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_samsung_K3PE0E000B_266MHz: lpddr2-timings@1 { | ||
| compatible = "jedec,lpddr2-timings"; | ||
| min-freq = <10000000>; | ||
| max-freq = <266666666>; | ||
| 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>; | ||
| }; | ||
| }; | ||
| }; |