Device tree data for the EMIF sdram controllers in OMAP5 and LPDDR2 memory devices attached to OMAP5 boards.
Signed-off-by: Lokesh Vutla <[email protected]> --- arch/arm/boot/dts/lpddr2_data.dtsi | 64 +++++++++++++++++++++++++++++++++++- arch/arm/boot/dts/omap5-evm.dts | 11 +++++++ arch/arm/boot/dts/omap5.dtsi | 18 ++++++++++ 3 files changed, 92 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/lpddr2_data.dtsi b/arch/arm/boot/dts/lpddr2_data.dtsi index f97f70f..8e8c1bc 100644 --- a/arch/arm/boot/dts/lpddr2_data.dtsi +++ b/arch/arm/boot/dts/lpddr2_data.dtsi @@ -3,7 +3,7 @@ */ / { - elpida_ECB240ABACN: lpddr2 { + elpida_ECB240ABACN: lpddr2@0 { compatible = "Elpida,ECB240ABACN","jedec,lpddr2-s4"; density = <2048>; io-width = <32>; @@ -64,4 +64,66 @@ tDQSCK-max-derated = <6000>; }; }; + + samsung_K3PE0E000B: lpddr2@1 { + compatible = "Samsung,K3PE0E000B","jedec,lpddr2-s4"; + density = <4096>; + 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_samsung_K3PE0E000B_533mhz: lpddr2-timings@0 { + compatible = "jedec,lpddr2-timings"; + min-freq = <10000000>; + max-freq = <533333333>; + 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 = <5620>; + }; + + timings_samsung_K3PE0E000B_266mhz: lpddr2-timings@1 { + compatible = "jedec,lpddr2-timings"; + min-freq = <10000000>; + max-freq = <266666666>; + 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>; + }; + }; }; diff --git a/arch/arm/boot/dts/omap5-evm.dts b/arch/arm/boot/dts/omap5-evm.dts index 6f87e1a..8a952f8 100644 --- a/arch/arm/boot/dts/omap5-evm.dts +++ b/arch/arm/boot/dts/omap5-evm.dts @@ -8,6 +8,7 @@ /dts-v1/; /include/ "omap5.dtsi" +/include/ "lpddr2_data.dtsi" / { model = "TI OMAP5 EVM board"; @@ -82,3 +83,13 @@ 0x020700d9>; /* SEARCH */ linux,input-no-autorepeat; }; + +&emif1 { + cs1-used; + device-handle = <&samsung_K3PE0E000B>; +}; + +&emif2 { + cs1-used; + device-handle = <&samsung_K3PE0E000B>; +}; diff --git a/arch/arm/boot/dts/omap5.dtsi b/arch/arm/boot/dts/omap5.dtsi index 5db33f4..40b41c2 100644 --- a/arch/arm/boot/dts/omap5.dtsi +++ b/arch/arm/boot/dts/omap5.dtsi @@ -319,5 +319,23 @@ ti,buffer-size = <128>; ti,hwmods = "mcbsp3"; }; + + emif1: emif@0x4c000000 { + compatible = "ti,emif-4d5"; + ti,hwmods = "emif1"; + phy-type = <2>; + hw-caps-read-idle-ctrl; + hw-caps-ll-interface; + hw-caps-temp-alert; + }; + + emif2: emif@0x4d000000 { + compatible = "ti,emif-4d5"; + ti,hwmods = "emif2"; + phy-type = <2>; + hw-caps-read-idle-ctrl; + hw-caps-ll-interface; + hw-caps-temp-alert; + }; }; }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
