From mboxrd@z Thu Jan 1 00:00:00 1970 From: Benoit Cousson Subject: Re: [PATCH V2 3/3] ARM: dts: omap5-evm: LPDDR2 memory device details for EVM Date: Mon, 5 Nov 2012 12:02:21 +0100 Message-ID: <50979CBD.8010901@ti.com> References: <1349959669-16366-1-git-send-email-lokeshvutla@ti.com> <1349959669-16366-4-git-send-email-lokeshvutla@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="ISO-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:58040 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751157Ab2KELCi (ORCPT ); Mon, 5 Nov 2012 06:02:38 -0500 In-Reply-To: <1349959669-16366-4-git-send-email-lokeshvutla@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Lokesh Vutla Cc: linux-omap@vger.kernel.org, linux-arm-kernel@lists.infradead.org, devicetree-discuss@lists.ozlabs.org On 10/11/2012 02:47 PM, Lokesh Vutla wrote: > Samsung's K3PE0E000B memory part is used in OMAP5-evm board. > Adding timings and geometry details for Samsung's memory part and > attaching the same to device-handle of EMIF1/2. > > Signed-off-by: Lokesh Vutla > --- > arch/arm/boot/dts/omap5-evm.dts | 11 +++++ > arch/arm/boot/dts/samsung_k3pe0e000b.dtsi | 67 +++++++++++++++++++++++++++++ > 2 files changed, 78 insertions(+) > create mode 100644 arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > > diff --git a/arch/arm/boot/dts/omap5-evm.dts b/arch/arm/boot/dts/omap5-evm.dts > index 6f87e1a..ed1d1b5 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/ "samsung_k3pe0e000b.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/samsung_k3pe0e000b.dtsi b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > new file mode 100644 > index 0000000..b352d69 > --- /dev/null > +++ b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > @@ -0,0 +1,67 @@ > +/* > + * Timings and Geometry for Samsung K3PE0E000B memory part > + */ > + > +/ { > + samsung_K3PE0E000B: lpddr2 { > + 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 { Nit, but the official unit is: MHz [1]. Regards, Benoit [1] http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf From mboxrd@z Thu Jan 1 00:00:00 1970 From: b-cousson@ti.com (Benoit Cousson) Date: Mon, 5 Nov 2012 12:02:21 +0100 Subject: [PATCH V2 3/3] ARM: dts: omap5-evm: LPDDR2 memory device details for EVM In-Reply-To: <1349959669-16366-4-git-send-email-lokeshvutla@ti.com> References: <1349959669-16366-1-git-send-email-lokeshvutla@ti.com> <1349959669-16366-4-git-send-email-lokeshvutla@ti.com> Message-ID: <50979CBD.8010901@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 10/11/2012 02:47 PM, Lokesh Vutla wrote: > Samsung's K3PE0E000B memory part is used in OMAP5-evm board. > Adding timings and geometry details for Samsung's memory part and > attaching the same to device-handle of EMIF1/2. > > Signed-off-by: Lokesh Vutla > --- > arch/arm/boot/dts/omap5-evm.dts | 11 +++++ > arch/arm/boot/dts/samsung_k3pe0e000b.dtsi | 67 +++++++++++++++++++++++++++++ > 2 files changed, 78 insertions(+) > create mode 100644 arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > > diff --git a/arch/arm/boot/dts/omap5-evm.dts b/arch/arm/boot/dts/omap5-evm.dts > index 6f87e1a..ed1d1b5 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/ "samsung_k3pe0e000b.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/samsung_k3pe0e000b.dtsi b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > new file mode 100644 > index 0000000..b352d69 > --- /dev/null > +++ b/arch/arm/boot/dts/samsung_k3pe0e000b.dtsi > @@ -0,0 +1,67 @@ > +/* > + * Timings and Geometry for Samsung K3PE0E000B memory part > + */ > + > +/ { > + samsung_K3PE0E000B: lpddr2 { > + 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 at 0 { Nit, but the official unit is: MHz [1]. Regards, Benoit [1] http://www.bipm.org/utils/common/pdf/si_brochure_8_en.pdf