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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>;
| };
| };
| };
|
|
