linux-kernel - [PATCH v6 7/7] ARM: dts: exynos4: Add nodes for L2 cache controller

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Message-id: <1414407950-3029-8-git-send-email-m.szyprowski@samsung.com>
Date:	Mon, 27 Oct 2014 12:05:50 +0100
From:	Marek Szyprowski <m.szyprowski@...sung.com>
To:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org
Cc:	Marek Szyprowski <m.szyprowski@...sung.com>,
	Tomasz Figa <tomasz.figa@...il.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Kukjin Kim <kgene.kim@...sung.com>, lauraa@...eaurora.org,
	linux-omap@...r.kernel.org, linus.walleij@...aro.org,
	santosh.shilimkar@...com, tony@...mide.com, drake@...lessm.com,
	loeliger@...il.com, Mark Rutland <mark.rutland@....com>
Subject: [PATCH v6 7/7] ARM: dts: exynos4: Add nodes for L2 cache controller

From: Tomasz Figa <t.figa@...sung.com>

This patch adds device tree nodes for L2 cache controller present on
Exynos4 SoCs.

Signed-off-by: Tomasz Figa <t.figa@...sung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
---
 arch/arm/boot/dts/exynos4210.dtsi |  9 +++++++++
 arch/arm/boot/dts/exynos4x12.dtsi | 14 ++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/arch/arm/boot/dts/exynos4210.dtsi b/arch/arm/boot/dts/exynos4210.dtsi
index 536a747a8632..8b97f10f0926 100644
--- a/arch/arm/boot/dts/exynos4210.dtsi
+++ b/arch/arm/boot/dts/exynos4210.dtsi
@@ -64,6 +64,15 @@
 		reg = <0x10023CA0 0x20>;
 	};
 
+	l2c: l2-cache-controller@...02000 {
+		compatible = "arm,pl310-cache";
+		reg = <0x10502000 0x1000>;
+		cache-unified;
+		cache-level = <2>;
+		arm,tag-latency = <2 2 1>;
+		arm,data-latency = <2 2 1>;
+	};
+
 	gic: interrupt-controller@...90000 {
 		cpu-offset = <0x8000>;
 	};
diff --git a/arch/arm/boot/dts/exynos4x12.dtsi b/arch/arm/boot/dts/exynos4x12.dtsi
index 50b3c3f51e90..3e806d63e8bb 100644
--- a/arch/arm/boot/dts/exynos4x12.dtsi
+++ b/arch/arm/boot/dts/exynos4x12.dtsi
@@ -54,6 +54,20 @@
 		reg = <0x10023CA0 0x20>;
 	};
 
+	l2c: l2-cache-controller@...02000 {
+		compatible = "arm,pl310-cache";
+		reg = <0x10502000 0x1000>;
+		cache-unified;
+		cache-level = <2>;
+		arm,tag-latency = <2 2 1>;
+		arm,data-latency = <3 2 1>;
+		arm,double-linefill = <1>;
+		arm,double-linefill-incr = <0>;
+		arm,double-linefill-wrap = <1>;
+		arm,prefetch-drop = <1>;
+		arm,prefetch-offset = <7>;
+	};
+
 	clock: clock-controller@...30000 {
 		compatible = "samsung,exynos4412-clock";
 		reg = <0x10030000 0x20000>;
-- 
1.9.2

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