linux-kernel - [PATCH] dts: add support for MMC on socfpga boards

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Message-ID: <20140305162350.GA3674@pollux.denx.de>
Date:	Wed, 5 Mar 2014 17:23:50 +0100
From:	Pavel Machek <pavel@...x.de>
To:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	devicetree@...r.kernel.org, galak@...eaurora.org,
	ijc+devicetree@...lion.org.uk, mark.rutland@....com,
	pawel.moll@....com, robh+dt@...nel.org, dinguyen@...era.com
Subject: [PATCH] dts: add support for MMC on socfpga boards


Add DTS binding for MMC on socfpga boards. Tested on Sockit.
    
Signed-off-by: Pavel Machek <pavel@...x.de>

diff --git a/arch/arm/boot/dts/socfpga.dtsi b/arch/arm/boot/dts/socfpga.dtsi
index 537f1a5..cad7526 100644
--- a/arch/arm/boot/dts/socfpga.dtsi
+++ b/arch/arm/boot/dts/socfpga.dtsi
@@ -521,6 +521,23 @@
 			reg-io-width = <4>;
 		};
 
+		mmc: dwmmc0@...04000 {
+			compatible = "snps,dw-mshc";
+			reg = <0xff704000 0x1000>;
+			interrupts = <0 139 4>;
+			clock-frequency = <12500000>; /*12.5 MHz*/
+			#address-cells = <1>;
+			#size-cells = <0>;
+			num-slots = <1>;
+			supports-highspeed;
+			broken-cd;
+			fifo-depth = <0x400>;
+			slot@0 {
+				reg = <0>;
+				bus-width = <4>;
+			};
+		};
+
 		rstmgr@...05000 {
 			compatible = "altr,rst-mgr";
 			reg = <0xffd05000 0x1000>;
--
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