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kernel add
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/*
* 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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