xref: /OK3568_Linux_fs/kernel/scripts/dtc/include-prefixes/arm/elpida_ecb240abacn.dtsi (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun// SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun/*
3*4882a593Smuzhiyun * Common devices used in different OMAP boards
4*4882a593Smuzhiyun */
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun/ {
7*4882a593Smuzhiyun	elpida_ECB240ABACN: lpddr2 {
8*4882a593Smuzhiyun		compatible	= "Elpida,ECB240ABACN","jedec,lpddr2-s4";
9*4882a593Smuzhiyun		density		= <2048>;
10*4882a593Smuzhiyun		io-width	= <32>;
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun		tRPab-min-tck	= <3>;
13*4882a593Smuzhiyun		tRCD-min-tck	= <3>;
14*4882a593Smuzhiyun		tWR-min-tck	= <3>;
15*4882a593Smuzhiyun		tRASmin-min-tck	= <3>;
16*4882a593Smuzhiyun		tRRD-min-tck	= <2>;
17*4882a593Smuzhiyun		tWTR-min-tck	= <2>;
18*4882a593Smuzhiyun		tXP-min-tck	= <2>;
19*4882a593Smuzhiyun		tRTP-min-tck	= <2>;
20*4882a593Smuzhiyun		tCKE-min-tck	= <3>;
21*4882a593Smuzhiyun		tCKESR-min-tck	= <3>;
22*4882a593Smuzhiyun		tFAW-min-tck	= <8>;
23*4882a593Smuzhiyun
24*4882a593Smuzhiyun		timings_elpida_ECB240ABACN_400mhz: lpddr2-timings@0 {
25*4882a593Smuzhiyun			compatible	= "jedec,lpddr2-timings";
26*4882a593Smuzhiyun			min-freq	= <10000000>;
27*4882a593Smuzhiyun			max-freq	= <400000000>;
28*4882a593Smuzhiyun			tRPab		= <21000>;
29*4882a593Smuzhiyun			tRCD		= <18000>;
30*4882a593Smuzhiyun			tWR		= <15000>;
31*4882a593Smuzhiyun			tRAS-min	= <42000>;
32*4882a593Smuzhiyun			tRRD		= <10000>;
33*4882a593Smuzhiyun			tWTR		= <7500>;
34*4882a593Smuzhiyun			tXP		= <7500>;
35*4882a593Smuzhiyun			tRTP		= <7500>;
36*4882a593Smuzhiyun			tCKESR		= <15000>;
37*4882a593Smuzhiyun			tDQSCK-max	= <5500>;
38*4882a593Smuzhiyun			tFAW		= <50000>;
39*4882a593Smuzhiyun			tZQCS		= <90000>;
40*4882a593Smuzhiyun			tZQCL		= <360000>;
41*4882a593Smuzhiyun			tZQinit		= <1000000>;
42*4882a593Smuzhiyun			tRAS-max-ns	= <70000>;
43*4882a593Smuzhiyun			tDQSCK-max-derated = <6000>;
44*4882a593Smuzhiyun		};
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun		timings_elpida_ECB240ABACN_200mhz: lpddr2-timings@1 {
47*4882a593Smuzhiyun			compatible	= "jedec,lpddr2-timings";
48*4882a593Smuzhiyun			min-freq	= <10000000>;
49*4882a593Smuzhiyun			max-freq	= <200000000>;
50*4882a593Smuzhiyun			tRPab		= <21000>;
51*4882a593Smuzhiyun			tRCD		= <18000>;
52*4882a593Smuzhiyun			tWR		= <15000>;
53*4882a593Smuzhiyun			tRAS-min	= <42000>;
54*4882a593Smuzhiyun			tRRD		= <10000>;
55*4882a593Smuzhiyun			tWTR		= <10000>;
56*4882a593Smuzhiyun			tXP		= <7500>;
57*4882a593Smuzhiyun			tRTP		= <7500>;
58*4882a593Smuzhiyun			tCKESR		= <15000>;
59*4882a593Smuzhiyun			tDQSCK-max	= <5500>;
60*4882a593Smuzhiyun			tFAW		= <50000>;
61*4882a593Smuzhiyun			tZQCS		= <90000>;
62*4882a593Smuzhiyun			tZQCL		= <360000>;
63*4882a593Smuzhiyun			tZQinit		= <1000000>;
64*4882a593Smuzhiyun			tRAS-max-ns	= <70000>;
65*4882a593Smuzhiyun			tDQSCK-max-derated = <6000>;
66*4882a593Smuzhiyun		};
67*4882a593Smuzhiyun	};
68*4882a593Smuzhiyun};
69