summaryrefslogtreecommitdiff
path: root/arch/arm/boot/dts/elpida_ecb240abacn.dtsi
diff options
context:
space:
mode:
authorAneesh V <aneesh@ti.com>2012-01-20 19:05:26 +0400
committerBenoit Cousson <b-cousson@ti.com>2012-09-07 21:18:40 +0400
commit11c27069cf963f7445a7b515bcb703d90ae0c162 (patch)
treecd7b831f2a50597d34fd9176770767b79a86cb6d /arch/arm/boot/dts/elpida_ecb240abacn.dtsi
parent6bc9c66e5657a33d19559fce730bfa36112cb1cc (diff)
downloadlinux-11c27069cf963f7445a7b515bcb703d90ae0c162.tar.xz
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.dtsi67
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>;
+ };
+ };
+};