From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from ozlabs.org (ozlabs.org [203.10.76.45]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "mx.ozlabs.org", Issuer "CA Cert Signing Authority" (verified OK)) by bilbo.ozlabs.org (Postfix) with ESMTPS id 12DF0B7BA1 for ; Wed, 19 Aug 2009 09:38:21 +1000 (EST) Received: from buildserver.ru.mvista.com (unknown [213.79.90.228]) by ozlabs.org (Postfix) with ESMTP id 3B6B0DDD01 for ; Wed, 19 Aug 2009 09:38:20 +1000 (EST) Date: Wed, 19 Aug 2009 03:38:18 +0400 From: Anton Vorontsov To: Kumar Gala Subject: [PATCH v2] powerpc/85xx: Add eSDHC support for MPC8536DS boards Message-ID: <20090818233818.GA29042@oksana.dev.rtsoft.ru> References: <20090807195724.GA24020@oksana.dev.rtsoft.ru> <20090807195822.GG2735@oksana.dev.rtsoft.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 In-Reply-To: Cc: Ben Dooks , linux-kernel@vger.kernel.org, sdhci-devel@lists.ossman.eu, linuxppc-dev@ozlabs.org, Andrew Morton , Pierre Ossman , David Vrabel Reply-To: avorontsov@ru.mvista.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , This patch simply adds sdhci node to the device tree. We specify clock-frequency manually, so that eSDHC will work without upgrading U-Boot. Though, that'll only work for default setup (1500 MHz) on new board revisions. For non-default setups, it's recommended to upgrade U-Boot, since it will fixup clock-frequency automatically. Signed-off-by: Anton Vorontsov --- On Tue, Aug 11, 2009 at 08:48:32AM -0500, Kumar Gala wrote: > On Aug 7, 2009, at 2:58 PM, Anton Vorontsov wrote: > >This patch simply adds sdhci node to the device tree. > > > >We specify clock-frequency manually, so that eSDHC will work without > >upgrading U-Boot. Though, that'll only work for default setup (1500 > >MHz) on new board revisions. For non-default setups, it's recommended > >to upgrade U-Boot, since it will fixup clock-frequency automatically. > > > >Signed-off-by: Anton Vorontsov > >--- > >arch/powerpc/boot/dts/mpc8536ds.dts | 8 ++++++++ > >1 files changed, 8 insertions(+), 0 deletions(-) > > Can you update the mpc8536ds_36b.dts as well (its in my next branch) Sure thing. arch/powerpc/boot/dts/mpc8536ds.dts | 8 ++++++++ arch/powerpc/boot/dts/mpc8536ds_36b.dts | 8 ++++++++ 2 files changed, 16 insertions(+), 0 deletions(-) diff --git a/arch/powerpc/boot/dts/mpc8536ds.dts b/arch/powerpc/boot/dts/mpc8536ds.dts index 22caf69..815cebb 100644 --- a/arch/powerpc/boot/dts/mpc8536ds.dts +++ b/arch/powerpc/boot/dts/mpc8536ds.dts @@ -250,6 +250,14 @@ phy_type = "ulpi"; }; + sdhci@2e000 { + compatible = "fsl,mpc8536-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <72 0x2>; + interrupt-parent = <&mpic>; + clock-frequency = <250000000>; + }; + serial0: serial@4500 { cell-index = <0>; device_type = "serial"; diff --git a/arch/powerpc/boot/dts/mpc8536ds_36b.dts b/arch/powerpc/boot/dts/mpc8536ds_36b.dts index 113ed8b..d95b260 100644 --- a/arch/powerpc/boot/dts/mpc8536ds_36b.dts +++ b/arch/powerpc/boot/dts/mpc8536ds_36b.dts @@ -250,6 +250,14 @@ phy_type = "ulpi"; }; + sdhci@2e000 { + compatible = "fsl,mpc8536-esdhc", "fsl,esdhc"; + reg = <0x2e000 0x1000>; + interrupts = <72 0x2>; + interrupt-parent = <&mpic>; + clock-frequency = <250000000>; + }; + serial0: serial@4500 { cell-index = <0>; device_type = "serial"; -- 1.6.3.3