linux-kernel - [PATCH 04/18] ARM: dts: vf610: add on-chip SRAM

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Date:	Wed,  9 Mar 2016 18:16:45 -0800
From:	Stefan Agner <stefan@...er.ch>
To:	shawnguo@...nel.org, mturquette@...libre.com, sboyd@...eaurora.org
Cc:	kernel@...gutronix.de, sergeimir@...raft.com, tglx@...utronix.de,
	jason@...edaemon.net, marc.zyngier@....com, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	Stefan Agner <stefan@...er.ch>
Subject: [PATCH 04/18] ARM: dts: vf610: add on-chip SRAM

Add Vybrids massive on-chip SRAM areas. Make use of the memory
region functionality to denominate the retained SRAM area in
LPSTOP2 and LPSTOP3.

Signed-off-by: Stefan Agner <stefan@...er.ch>
---
 arch/arm/boot/dts/vfxxx.dtsi | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)

diff --git a/arch/arm/boot/dts/vfxxx.dtsi b/arch/arm/boot/dts/vfxxx.dtsi
index 909988d..b038ea4 100644
--- a/arch/arm/boot/dts/vfxxx.dtsi
+++ b/arch/arm/boot/dts/vfxxx.dtsi
@@ -91,6 +91,43 @@
 		interrupt-parent = <&gpc>;
 		ranges;
 
+		ocram0: sram@...00000 {
+			compatible = "mmio-sram";
+			reg = <0x3f000000 0x40000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+			ranges = <0 0x3f000000 0x40000>;
+
+			stbyram1@0 {
+				reg = <0x0 0x4000>;
+				label = "stbyram1";
+				pool;
+			};
+
+			stbyram2@...0 {
+				reg = <0x4000 0xc000>;
+				label = "stbyram2";
+				pool;
+			};
+		};
+
+		ocram1: sram@...40000 {
+			compatible = "mmio-sram";
+			reg = <0x3f040000 0x40000>;
+		};
+
+		gfxram0: sram@...00000 {
+			compatible = "mmio-sram";
+			reg = <0x3f400000 0x80000>;
+		};
+
+		/* used by L2 cache */
+		gfxram1: sram@...80000 {
+			compatible = "mmio-sram";
+			reg = <0x3f480000 0x80000>;
+		};
+
 		aips0: aips-bus@...00000 {
 			compatible = "fsl,aips-bus", "simple-bus";
 			#address-cells = <1>;
-- 
2.7.2