linux-kernel - [PATCH 7/7] powerpc/85xx: Add eSDHC support for MPC8536DS boards

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Message-ID: <20090807195822.GG2735@oksana.dev.rtsoft.ru>
Date:	Fri, 7 Aug 2009 23:58:22 +0400
From:	Anton Vorontsov <avorontsov@...mvista.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Pierre Ossman <pierre@...man.eu>,
	Kumar Gala <galak@...nel.crashing.org>,
	David Vrabel <david.vrabel@....com>, Ben Dooks <ben@...ff.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	linux-kernel@...r.kernel.org, sdhci-devel@...ts.ossman.eu,
	linuxppc-dev@...abs.org
Subject: [PATCH 7/7] powerpc/85xx: Add eSDHC support for MPC8536DS boards

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 <avorontsov@...mvista.com>
---
 arch/powerpc/boot/dts/mpc8536ds.dts |    8 ++++++++
 1 files changed, 8 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@...00 {
+			compatible = "fsl,mpc8536-esdhc", "fsl,esdhc";
+			reg = <0x2e000 0x1000>;
+			interrupts = <72 0x2>;
+			interrupt-parent = <&mpic>;
+			clock-frequency = <250000000>;
+		};
+
 		serial0: serial@...0 {
 			cell-index = <0>;
 			device_type = "serial";
-- 
1.6.3.3
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