diff options
| author | Tero Kristo <t-kristo@ti.com> | 2020-06-16 11:03:05 +0300 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-06-16 17:00:12 +0530 |
| commit | 00fde6b873207d4d1415bc46560633d6c925f3f3 (patch) | |
| tree | 0be1e7dd60c96f8448e17b9b8015ab0de3b56c1a /arch/arm/dts/elpida_ecb240abacn.dtsi | |
| parent | 83a0e9ddaa2cdefc307f11ceaa09a58ae6916764 (diff) | |
omap4: Copy device tree from Linux 5.7.y
Copy all device tree files required for omap4 panda support from
mainline Linux.
Signed-off-by: Tero Kristo <t-kristo@ti.com>
Diffstat (limited to 'arch/arm/dts/elpida_ecb240abacn.dtsi')
| -rw-r--r-- | arch/arm/dts/elpida_ecb240abacn.dtsi | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/arch/arm/dts/elpida_ecb240abacn.dtsi b/arch/arm/dts/elpida_ecb240abacn.dtsi new file mode 100644 index 0000000000..d87ee4794f --- /dev/null +++ b/arch/arm/dts/elpida_ecb240abacn.dtsi @@ -0,0 +1,68 @@ +// 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>; + }; + }; +}; |