Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 11c27069 authored by Aneesh V's avatar Aneesh V Committed by Benoit Cousson
Browse files

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: default avatarGrant Likely <grant.likely@secretlab.ca>
Tested-by: default avatarLokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: default avatarAneesh V <aneesh@ti.com>
[santosh.shilimkar@ti.com: Rebased against 3.6-rc]
Signed-off-by: default avatarSantosh Shilimkar <santosh.shilimkar@ti.com>
[b-cousson@ti.com: Use label in board to access EMIF nodes]
Signed-off-by: default avatarBenoit Cousson <b-cousson@ti.com>
parent 6bc9c66e

arch/arm/boot/dts/elpida_ecb240abacn.dtsi

0 → 100644
+67 −0
Original line number Diff line number Diff line 
/*

 * 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>;

		};

	};

};

arch/arm/boot/dts/omap4-panda.dts

+11 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
/dts-v1/;



/include/ "omap4.dtsi"

/include/ "elpida_ecb240abacn.dtsi"



/ {

	model = "TI OMAP4 PandaBoard";
@@ -126,3 +127,13 @@ 
	ti,non-removable;

	bus-width = <4>;

};



&emif1 {

	cs1-used;

	device-handle = <&elpida_ECB240ABACN>;

};



&emif2 {

	cs1-used;

	device-handle = <&elpida_ECB240ABACN>;

};

arch/arm/boot/dts/omap4-sdp.dts

+11 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
/dts-v1/;



/include/ "omap4.dtsi"

/include/ "elpida_ecb240abacn.dtsi"



/ {

	model = "TI OMAP4 SDP board";
@@ -227,6 +228,16 @@ 
	ti,non-removable;

};



&emif1 {

	cs1-used;

	device-handle = <&elpida_ECB240ABACN>;

};



&emif2 {

	cs1-used;

	device-handle = <&elpida_ECB240ABACN>;

};



&keypad {

	keypad,num-rows = <8>;

	keypad,num-columns = <8>;

arch/arm/boot/dts/omap4.dtsi

+18 −0
Original line number Diff line number Diff line
@@ -300,5 +300,23 @@ 
			compatible = "ti,omap4-keypad";

			ti,hwmods = "kbd";

		};



		emif1: emif@4c000000 {

			compatible = "ti,emif-4d";

			ti,hwmods = "emif1";

			phy-type = <1>;

			hw-caps-read-idle-ctrl;

			hw-caps-ll-interface;

			hw-caps-temp-alert;

		};



		emif2: emif@4d000000 {

			compatible = "ti,emif-4d";

			ti,hwmods = "emif2";

			phy-type = <1>;

			hw-caps-read-idle-ctrl;

			hw-caps-ll-interface;

			hw-caps-temp-alert;

		};

	};

};