linux-kernel - [PATCH V3 06/10] arm64: dts: qcom: msm8996: Add a carveout for modem metadata

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Message-ID: <20230111114337.24782-7-quic_sibis@quicinc.com>
Date:   Wed, 11 Jan 2023 17:13:33 +0530
From:   Sibi Sankar <quic_sibis@...cinc.com>
To:     <andersson@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <manivannan.sadhasivam@...aro.org>
CC:     <agross@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <robh+dt@...nel.org>, <konrad.dybcio@...ainline.org>,
        <amit.pundir@...aro.org>, <regressions@...mhuis.info>,
        <sumit.semwal@...aro.org>, <will@...nel.org>,
        <catalin.marinas@....com>, <robin.murphy@....com>,
        Sibi Sankar <quic_sibis@...cinc.com>
Subject: [PATCH V3 06/10] arm64: dts: qcom: msm8996: Add a carveout for modem metadata

Add a new carveout for modem metadata on MSM8996 SoCs.

Signed-off-by: Sibi Sankar <quic_sibis@...cinc.com>
---

v2:
 * Split dt/bindings per SoC [Krzysztof] 

 arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi | 6 ++++++
 arch/arm64/boot/dts/qcom/msm8996.dtsi               | 9 +++++++++
 2 files changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
index 5b47b8de69da..4242f8587c19 100644
--- a/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996-xiaomi-common.dtsi
@@ -127,6 +127,12 @@
 			reg = <0x0 0xf6f00000 0x0 0x100000>;
 			no-map;
 		};
+
+		/delete-node/ memory@...00000;
+		mdata_mem: memory@...00000 {
+			reg = <0x0 0xf7100000 0x0 0x4000>;
+			no-map;
+		};
 	};
 
 	vph_pwr: vph-pwr-regulator {
diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi
index 87ff66ebde7b..2756ba5841a1 100644
--- a/arch/arm64/boot/dts/qcom/msm8996.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi
@@ -462,6 +462,11 @@
 			reg = <0x0 0x91500000 0x0 0x200000>;
 			no-map;
 		};
+
+		mdata_mem: memory@...00000 {
+			reg = <0x0 0x91700000 0x0 0x4000>;
+			no-map;
+		};
 	};
 
 	rpm-glink {
@@ -2462,6 +2467,10 @@
 				memory-region = <&mpss_mem>;
 			};
 
+			metadata {
+				memory-region = <&mdata_mem>;
+			};
+
 			smd-edge {
 				interrupts = <GIC_SPI 449 IRQ_TYPE_EDGE_RISING>;
 
-- 
2.17.1