linux-kernel - [PATCH 2/3] ARM: dts: mvebu: add sdram controller node to Armada-38x

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Message-Id: <20180108223158.21930-3-chris.packham@alliedtelesis.co.nz>
Date:   Tue,  9 Jan 2018 11:31:57 +1300
From:   Chris Packham <chris.packham@...iedtelesis.co.nz>
To:     jlu@...gutronix.de, linux@...linux.org.uk, bp@...en8.de,
        linux-arm-kernel@...ts.infradead.org, linux-edac@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Chris Packham <chris.packham@...iedtelesis.co.nz>,
        Jason Cooper <jason@...edaemon.net>,
        Andrew Lunn <andrew@...n.ch>,
        Gregory Clement <gregory.clement@...e-electrons.com>,
        Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org
Subject: [PATCH 2/3] ARM: dts: mvebu: add sdram controller node to Armada-38x

The Armada-38x uses an SDRAM controller that is compatible with the
Armada-XP. The key difference is the width of the bus (XP is 64/32, 38x
is 32/16). The SDRAM controller registers are the same between the two
SoCs.

Signed-off-by: Chris Packham <chris.packham@...iedtelesis.co.nz>
---
 arch/arm/boot/dts/armada-38x.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/armada-38x.dtsi b/arch/arm/boot/dts/armada-38x.dtsi
index 00ff549d4e39..6d34c5ec178f 100644
--- a/arch/arm/boot/dts/armada-38x.dtsi
+++ b/arch/arm/boot/dts/armada-38x.dtsi
@@ -138,6 +138,11 @@
 			#size-cells = <1>;
 			ranges = <0 MBUS_ID(0xf0, 0x01) 0 0x100000>;
 
+			sdramc@...0 {
+				compatible = "marvell,armada-xp-sdram-controller";
+				reg = <0x1400 0x500>;
+			};
+
 			L2: cache-controller@...0 {
 				compatible = "arm,pl310-cache";
 				reg = <0x8000 0x1000>;
-- 
2.15.1