diff options
Diffstat (limited to 'kernel/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi')
| -rw-r--r-- | kernel/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/kernel/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi b/kernel/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi new file mode 100644 index 000000000..9657a5cbc --- /dev/null +++ b/kernel/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi @@ -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>; + }; + }; +}; |