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 <redacted>
---
arch/arm64/boot/dts/mediatek/mt8183.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)
diff --git a/arch/arm64/boot/dts/mediatek/mt8183.dtsi b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
index 75c4881bbe5e..d5d83a05f8a1 100644
--- a/arch/arm64/boot/dts/mediatek/mt8183.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8183.dtsi
@@ -133,6 +133,19 @@
clock-output-names = "clk26m";
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+ cam_mem_reserved: cam_mem_region {
+ 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>;
+ };
+ };
+
timer {
compatible = "arm,armv8-timer";
interrupt-parent = <&gic>;--
2.18.0
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