From: Jungo Lin <jungo....@mediatek.com>

This patch adds a shared memory region used on mt8183 for
exchanging tuning data between co-processor and the
Pass 1 unit of the camera ISP system

Signed-off-by: Jungo Lin <jungo....@mediatek.com>
Signed-off-by: Frederic Chen <frederic.c...@mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt8183.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi 
b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 63db9cc..3b85a6c 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -109,6 +109,19 @@
                };
        };
 
+       reserved-memory {
+               #address-cells = <2>;
+               #size-cells = <2>;
+               ranges;
+               reserve-memory-cam_smem {
+                       compatible = "mediatek,reserve-memory-cam_smem";
+                       no-map;
+                       size = <0 0x01400000>; /*20 MB share mem size */
+                       alignment = <0 0x1000>;
+                       alloc-ranges = <0 0x40000000 0 0x10000000>;
+               };
+       };
+
        pmu-a53 {
                compatible = "arm,cortex-a53-pmu";
                interrupt-parent = <&gic>;
@@ -405,4 +418,5 @@
                reg = <0 0x1a000000 0 0x1000>;
                #clock-cells = <1>;
        };
+
 };
-- 
1.9.1

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