* [PATCH] arm64: dts: ipq8074: add the reserved-memory region
@ 2022-01-07 12:50 Kathiravan T
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From: Kathiravan T @ 2022-01-07 12:50 UTC (permalink / raw)
To: agross, bjorn.andersson, robh+dt, linux-arm-msm, devicetree,
linux-kernel
Cc: Kathiravan T
On IPQ8074, 4MB of memory is needed for TZ. So mark that region
as reserved.
Signed-off-by: Kathiravan T <quic_kathirav@quicinc.com>
---
arch/arm64/boot/dts/qcom/ipq8074.dtsi | 11 +++++++++++
1 file changed, 11 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 6c6a0f853669..b4d813c27230 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -82,6 +82,17 @@
};
};
+ reserved-memory {
+ #address-cells = <2>;
+ #size-cells = <2>;
+ ranges;
+
+ memory@4ac00000 {
+ no-map;
+ reg = <0x0 0x4ac00000 0x0 0x00400000>;
+ };
+ };
+
soc: soc {
#address-cells = <0x1>;
#size-cells = <0x1>;
--
2.7.4
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2022-01-07 12:50 [PATCH] arm64: dts: ipq8074: add the reserved-memory region Kathiravan T
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