diff options
| author | Aneesh V <aneesh@ti.com> | 2012-01-20 20:35:26 +0530 |
|---|---|---|
| committer | Benoit Cousson <b-cousson@ti.com> | 2012-09-07 19:18:40 +0200 |
| commit | 11c27069cf963f7445a7b515bcb703d90ae0c162 (patch) | |
| tree | cd7b831f2a50597d34fd9176770767b79a86cb6d /arch/arm/boot/dts/elpida_ecb240abacn.dtsi | |
| parent | 6bc9c66e5657a33d19559fce730bfa36112cb1cc (diff) | |
ARM: dts: EMIF and LPDDR2 device tree data for OMAP4 boards
Device tree data for the EMIF sdram controllers in OMAP4
and LPDDR2 memory devices attached to OMAP4 boards.
Reviewed-by: Grant Likely <grant.likely@secretlab.ca>
Tested-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Aneesh V <aneesh@ti.com>
[santosh.shilimkar@ti.com: Rebased against 3.6-rc]
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
[b-cousson@ti.com: Use label in board to access EMIF nodes]
Signed-off-by: Benoit Cousson <b-cousson@ti.com>
Diffstat (limited to 'arch/arm/boot/dts/elpida_ecb240abacn.dtsi')
| -rw-r--r-- | arch/arm/boot/dts/elpida_ecb240abacn.dtsi | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/elpida_ecb240abacn.dtsi b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi new file mode 100644 index 000000000000..f97f70f83374 --- /dev/null +++ b/arch/arm/boot/dts/elpida_ecb240abacn.dtsi @@ -0,0 +1,67 @@ +/* + * 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>; + }; + }; +}; |