Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751447Ab3FZEKC (ORCPT ); Wed, 26 Jun 2013 00:10:02 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:45447 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750766Ab3FZEKA convert rfc822-to-8bit (ORCPT ); Wed, 26 Jun 2013 00:10:00 -0400 From: "Hebbar, Gururaja" To: "Fernandes, Joel" , Tony Lindgren , "Nori, Sekhar" , Matt Porter , "Grant Likely" , Rob Herring , Vinod Koul , Mark Brown , "Cousson, Benoit" , Russell King , Rob Landley , Andrew Morton , Jason Kridner , Koen Kooi , "Krishnamoorthy, Balaji T" , Chris Ball CC: Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List Subject: RE: [PATCH 2/5] ARM: dts: add AM33XX MMC support Thread-Topic: [PATCH 2/5] ARM: dts: add AM33XX MMC support Thread-Index: AQHOcgv03zJYruQ9akimQy0oL2f475lHYU3w Date: Wed, 26 Jun 2013 04:08:59 +0000 Message-ID: <1BAFE6F6C881BF42822005164F1491C33EC43DC8@DBDE04.ent.ti.com> References: <1372209881-6616-1-git-send-email-joelagnel@ti.com> In-Reply-To: <1372209881-6616-1-git-send-email-joelagnel@ti.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.24.170.142] Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4037 Lines: 148 On Wed, Jun 26, 2013 at 06:54:41, Fernandes, Joel wrote: > From: Matt Porter > > Adds AM33XX MMC support for am335x-bone, am335x-evm, and > am335x-evmsk. > > Signed-off-by: Matt Porter > Acked-by: Tony Lindgren > --- > arch/arm/boot/dts/am335x-bone.dts | 7 +++++++ > arch/arm/boot/dts/am335x-evm.dts | 7 +++++++ > arch/arm/boot/dts/am335x-evmsk.dts | 7 +++++++ > arch/arm/boot/dts/am33xx.dtsi | 28 ++++++++++++++++++++++++++++ > 4 files changed, 49 insertions(+) > > diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts > index 5302f79..80bff9c 100644 > --- a/arch/arm/boot/dts/am335x-bone.dts > +++ b/arch/arm/boot/dts/am335x-bone.dts > @@ -120,6 +120,8 @@ > }; > > ldo3_reg: regulator@5 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > > @@ -136,3 +138,8 @@ > &cpsw_emac1 { > phy_id = <&davinci_mdio>, <1>; > }; > + > +&mmc1 { > + status = "okay"; > + vmmc-supply = <&ldo3_reg>; > +}; > diff --git a/arch/arm/boot/dts/am335x-evm.dts b/arch/arm/boot/dts/am335x-evm.dts > index 0423298..62af561 100644 > --- a/arch/arm/boot/dts/am335x-evm.dts > +++ b/arch/arm/boot/dts/am335x-evm.dts > @@ -232,6 +232,8 @@ > }; > > vmmc_reg: regulator@12 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > }; > @@ -244,3 +246,8 @@ > &cpsw_emac1 { > phy_id = <&davinci_mdio>, <1>; > }; > + > +&mmc1 { > + status = "okay"; > + vmmc-supply = <&vmmc_reg>; > +}; > diff --git a/arch/arm/boot/dts/am335x-evmsk.dts b/arch/arm/boot/dts/am335x-evmsk.dts > index f67c360..8904b88 100644 > --- a/arch/arm/boot/dts/am335x-evmsk.dts > +++ b/arch/arm/boot/dts/am335x-evmsk.dts > @@ -244,7 +244,14 @@ > }; > > vmmc_reg: regulator@12 { > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <3300000>; > regulator-always-on; > }; > }; > }; > + > +&mmc1 { > + status = "okay"; > + vmmc-supply = <&vmmc_reg>; > +}; > diff --git a/arch/arm/boot/dts/am33xx.dtsi b/arch/arm/boot/dts/am33xx.dtsi > index b4fda12..119f8a9 100644 > --- a/arch/arm/boot/dts/am33xx.dtsi > +++ b/arch/arm/boot/dts/am33xx.dtsi > @@ -229,6 +229,34 @@ > status = "disabled"; > }; > > + mmc1: mmc@48060000 { > + compatible = "ti,omap3-hsmmc"; > + ti,hwmods = "mmc1"; > + ti,dual-volt; > + ti,needs-special-reset; > + dmas = <&edma 24 > + &edma 25>; > + dma-names = "tx", "rx"; > + status = "disabled"; > + }; MMC1 also needs "ti,needs-special-hs-handling" dt property to indicate support for properly supporting SD HS cards. >From commit commit cd587096c0e2b85a67e77721a753679bac89b394 mmc: omap_hsmmc: Enable HSPE bit for high speed cards HSMMC IP on AM33xx need a special setting to handle High-speed cards. Other platforms like TI81xx, OMAP4 may need this as-well. This depends on the HSMMC IP timing closure done for the high speed cards. > + > + mmc2: mmc@481d8000 { > + compatible = "ti,omap3-hsmmc"; > + ti,hwmods = "mmc2"; > + ti,needs-special-reset; > + dmas = <&edma 2 > + &edma 3>; > + dma-names = "tx", "rx"; > + status = "disabled"; > + }; > + > + mmc3: mmc@47810000 { > + compatible = "ti,omap3-hsmmc"; > + ti,hwmods = "mmc3"; > + ti,needs-special-reset; > + status = "disabled"; > + }; > + > wdt2: wdt@44e35000 { > compatible = "ti,omap3-wdt"; > ti,hwmods = "wd_timer2"; > -- > 1.7.9.5 > > _______________________________________________ > Davinci-linux-open-source mailing list > Davinci-linux-open-source@linux.davincidsp.com > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > Regards, Gururaja -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/