linux-kernel - [PATCH 01/23] ARM: am335x: Add missing memory node in sl50 board

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Date:   Wed, 31 Aug 2016 12:35:15 +0200
From:   Javier Martinez Canillas <javier@....samsung.com>
To:     linux-kernel@...r.kernel.org
Cc:     Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        Tony Lindgren <tony@...mide.com>, linux-omap@...r.kernel.org,
        Javier Martinez Canillas <javier@....samsung.com>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>
Subject: [PATCH 01/23] ARM: am335x: Add missing memory node in sl50 board

The skeleton.dtsi file was removed in ARM64 for different reasons as
explained in commit ("3ebee5a2e141 arm64: dts: kill skeleton.dtsi").

These also applies to ARM and it will also allow to get rid of the
following DTC warnings in the future:

"Node /memory has a reg or ranges property, but no unit name"

But the sl50 board doesn't have a, so removing the  skeleton.dtsi
inclusion from am33xx.dtsi will cause a change in the compiled DTB.

The board has 512 MiB of RAM and its starting address is 0x80000000,
so add a proper memory device node in the DTS.

Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>

---

 arch/arm/boot/dts/am335x-sl50.dts | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/boot/dts/am335x-sl50.dts b/arch/arm/boot/dts/am335x-sl50.dts
index f802adb23ff9..e3be7a6bf8f1 100644
--- a/arch/arm/boot/dts/am335x-sl50.dts
+++ b/arch/arm/boot/dts/am335x-sl50.dts
@@ -19,6 +19,11 @@
 		};
 	};

+	memory {
+		device_type = "memory";
+		reg = <0x80000000 0x20000000>; /* 512 MB */
+	};
+
 	chosen {
 		stdout-path = &uart0;
 	};
-- 
2.7.4