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

Jerry-ch Chen
2019-04-23T10:45:55Z

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 --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>;
--
2.18.0