[linux-yocto] [PATCH 5/5] arm64: dts: r8a7795-h3ulcb: Add reserved memory regions

[Meng.Li at windriver.com]

From: Yusuke Goda <yusuke.goda.sx at renesas.com>

commit 1d40ccc5723b9b3028829194c422a01cf8afd2a3 from
git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas-bsp.git

This patch adds reserved memory regions:
  - Lossy Decompression
       48 MiB : 0x0054000000 -> 0x0056ffffff
  - Default CMA area
      400 MiB : 0x0057000000 -> 0x006fffffff
  - CMA area for MMP
      256 MiB : 0x0070000000 -> 0x007fffffff

Signed-off-by: Yusuke Goda <yusuke.goda.sx at renesas.com>
[takeshi.kihara.df: fix W=1 dtc unit_address_vs_reg warnings]
Signed-off-by: Takeshi Kihara <takeshi.kihara.df at renesas.com>
Signed-off-by: Meng Li <Meng.Li at windriver.com>
---
 .../arm64/boot/dts/renesas/r8a7795-h3ulcb.dts | 29 ++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index 54515eaf0310..b9088a4e0a4a 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -2,7 +2,7 @@
 /*
  * Device Tree Source for the H3ULCB (R-Car Starter Kit Premier) board
  *
- * Copyright (C) 2016 Renesas Electronics Corp.
+ * Copyright (C) 2016-2017 Renesas Electronics Corp.
  * Copyright (C) 2016 Cogent Embedded, Inc.
  */
 
@@ -34,6 +34,33 @@
 		device_type = "memory";
 		reg = <0x7 0x00000000 0x0 0x40000000>;
 	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		/* device specific region for Lossy Decompression */
+		lossy_decompress: linux,lossy_decompress at 54000000 {
+			no-map;
+			reg = <0x00000000 0x54000000 0x0 0x03000000>;
+		};
+
+		/* global autoconfigured region for contiguous allocations */
+		linux,cma at 57000000 {
+			compatible = "shared-dma-pool";
+			reusable;
+			reg = <0x00000000 0x57000000 0x0 0x19000000>;
+			linux,cma-default;
+		};
+
+		/* device specific region for contiguous allocations */
+		mmp_reserved: linux,multimedia at 70000000 {
+			compatible = "shared-dma-pool";
+			reusable;
+			reg = <0x00000000 0x70000000 0x0 0x10000000>;
+		};
+	};
 };
 
 &du {
-- 
2.17.1