linux-kernel - [PATCH V4 11/11] arm64: dts: qcom: sc7280: Add a carveout for modem metadata

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Message-ID: <20230117085840.32356-12-quic_sibis@quicinc.com>
Date:   Tue, 17 Jan 2023 14:28:40 +0530
From:   Sibi Sankar <quic_sibis@...cinc.com>
To:     <andersson@...nel.org>, <manivannan.sadhasivam@...aro.org>
CC:     <agross@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <krzysztof.kozlowski+dt@...aro.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 V4 11/11] arm64: dts: qcom: sc7280: Add a carveout for modem metadata

Add a new carveout for modem metadata on SC7280 SoCs.

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

v4:
 * Use size/alloc-ranges instead of a specific address [Bjorn]

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

 arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
index efd513164501..a5f7cbe8a53e 100644
--- a/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc7280-herobrine-lte-sku.dtsi
@@ -17,6 +17,12 @@
 			reg = <0x0 0x9c700000 0x0 0x200000>;
 			no-map;
 		};
+
+		mdata_mem: mpss-metadata {
+			alloc-ranges = <0x0 0xa0000000 0x0 0x20000000>;
+			size = <0x0 0x4000>;
+			no-map;
+		};
 	};
 };
 
@@ -37,7 +43,7 @@
 
 	iommus = <&apps_smmu 0x124 0x0>, <&apps_smmu 0x488 0x7>;
 	interconnects = <&mc_virt MASTER_LLCC 0 &mc_virt SLAVE_EBI1 0>;
-	memory-region = <&mba_mem>, <&mpss_mem>;
+	memory-region = <&mba_mem>, <&mpss_mem>, <&mdata_mem>;
 	firmware-name = "qcom/sc7280-herobrine/modem/mba.mbn",
 			"qcom/sc7280-herobrine/modem/qdsp6sw.mbn";
 
-- 
2.17.1