diff mbox series

[RFC,V1,2/6] dts: arm64: mt8183: Add FD shared memory node

Message ID 20190423104505.38778-3-Jerry-Ch.chen@mediatek.com (mailing list archive)
State RFC
Headers show
Series media: platform: Add support for Face Detection (FD) on mt8183 SoC | expand

Commit Message

Jerry-ch Chen April 23, 2019, 10:45 a.m. UTC 
From: Jerry-ch Chen <jerry-ch.chen@mediatek.com>

This patch adds a shared memory region used on mt8183 for
exchanging meta data between co-processor and
Face Detection (FD) unit.

Signed-off-by: Jerry-ch Chen <jerry-ch.chen@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 10 ++++++++++
 1 file changed, 10 insertions(+)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index c3a516e63141..dc0b4cad5200 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -134,6 +134,16 @@ 
 		clock-output-names = "clk26m";
 	};
 
+	reserved-memory {
+		reserve-memory-fd_smem {
+			compatible = "mediatek,reserve-memory-fd_smem";
+			no-map;
+			size = <0 0x00100000>;  /*1 MB share mem size */
+			alignment = <0 0x1000>;
+			alloc-ranges = <0 0x40000000 0 0x10000000>;
+		};
+	};
+
 	timer {
 		compatible = "arm,armv8-timer";
 		interrupt-parent = <&gic>;